test fixes and added more tests

Ai/Ocr/BasicOcr.php

@@ -205,7 +205,7 @@ final class BasicOcr
             foreach ($candidateLabels as $i => $label) {
                 $predictedLabels[] = [
                     'label' => $label,
-                    'prob'  => $countedCandidates[$candidateLabels[$i]] / $k,
+                    'prob'  => $countedCandidates[$label] / $k,
                 ];
             }
         }

Algorithm/Maze/MazeGenerator.php

@@ -97,7 +97,7 @@ class MazeGenerator
                 $pos = \array_pop($path);
 
                 if ($pos === null) {
-                    break;
+                    break; // @codeCoverageIgnore
                 }
             }
         }

Algorithm/Sort/CycleSort.php

@@ -64,14 +64,16 @@ final class CycleSort implements SortInterface
                 ++$pos;
             }
 
-            $old        = $list[$pos];
+            if ($pos !== $start) {
-            $list[$pos] = $item;
+                $old        = $list[$pos];
-            $item       = $old;
+                $list[$pos] = $item;
+                $item       = $old;
+            }
 
             while ($pos !== $start) {
-                $pos     = $start;
+                $pos = $start;
-                $length1 = \count($list);
+
-                for ($i = $start + 1; $i < $length1; ++$i) {
+                for ($i = $start + 1; $i < $n; ++$i) {
                     if (!$list[$i]->compare($item, $order)) {
                         ++$pos;
                     }
@@ -81,9 +83,11 @@ final class CycleSort implements SortInterface
                     ++$pos;
                 }
 
-                $old        = $list[$pos];
+                if (!$item->equals($list[$pos])) {
-                $list[$pos] = $item;
+                    $old        = $list[$pos];
-                $item       = $old;
+                    $list[$pos] = $item;
+                    $item       = $old;
+                }
             }
         }
 

Algorithm/Sort/QuickSort.php

@@ -67,7 +67,7 @@ final class QuickSort implements SortInterface
     {
         if ($lo < $hi) {
             $i = self::partition($list, $lo, $hi, $order);
-            self::qsort($list, $lo, $i, $order);
+            self::qsort($list, $lo, $i - 1, $order);
             self::qsort($list, $i + 1, $hi, $order);
         }
     }
@@ -86,26 +86,22 @@ final class QuickSort implements SortInterface
      */
     private static function partition(array &$list, int $lo, int $hi, int $order) : int
     {
-        $pivot = $list[$lo + ((int) (($hi - $lo) / 2))];
+        $pivot = $list[$hi];
-        while (true) {
+        $i = $lo - 1;
-            while (!$list[$lo]->compare($pivot, $order)) {
+
-                ++$lo;
+        for ($j = $lo; $j <= $hi - 1; ++$j) {
+            if (!$list[$j]->compare($pivot, $order)) {
+                ++$i;
+                $old      = $list[$i];
+                $list[$i] = $list[$j];
+                $list[$j] = $old;
             }
-
-            while ($list[$hi]->compare($pivot, $order)) {
-                --$hi;
-            }
-
-            if ($lo >= $hi) {
-                return $hi;
-            }
-
-            $old       = $list[$lo];
-            $list[$lo] = $list[$hi];
-            $list[$hi] = $old;
-
-            ++$lo;
-            --$hi;
         }
+
+        $old          = $list[$i + 1];
+        $list[$i + 1] = $list[$hi];
+        $list[$hi]    = $old;
+
+        return $i + 1;
     }
 }

Application/ApplicationManager.php

@@ -98,11 +98,7 @@ final class ApplicationManager
         $destination = \rtrim($destination, '\\/');
         $source      = \rtrim($source, '/\\');
 
-        if (!\is_dir($source) || \is_dir($destination)) {
+        if (!\is_dir($source) || \is_dir($destination) || !\is_file($source . '/Admin/Installer.php')) {
-            return false;
-        }
-
-        if (!\is_file($source . '/Admin/Installer.php')) {
             return false;
         }
 
@@ -124,6 +120,73 @@ final class ApplicationManager
         }
     }
 
+    /**
+     * Uninstall the application
+     *
+     * @param string $source Source of the application
+     *
+     * @return bool
+     *
+     * @since 1.0.0
+     */
+    public function uninstall(string $source) : bool
+    {
+        $source = \rtrim($source, '/\\');
+        if (!\is_dir($source) || !\is_file($source . '/Admin/Uninstaller.php')) {
+            return false;
+        }
+
+        try {
+            $info                                      = $this->loadInfo($source . '/info.json');
+            $this->installed[$info->getInternalName()] = $info;
+
+            $classPath = \substr(\realpath($source) . '/Admin/Uninstaller', $t = \strlen(\realpath(__DIR__ . '/../../')));
+
+            $class = \str_replace('/', '\\', $classPath);
+            $class::uninstall($this->app->dbPool, $info, $this->app->appSettings);
+
+            $this->uninstallFiles($source);
+
+            return true;
+        } catch (\Throwable $t) {
+            return false; // @codeCoverageIgnore
+        }
+    }
+
+    /**
+     * Re-init application.
+     *
+     * @param string $appPath App path
+     *
+     * @return void
+     *
+     * @throws InvalidModuleException Throws this exception in case the installer doesn't exist
+     *
+     * @since 1.0.0
+     */
+    public function reInit(string $appPath) : void
+    {
+        $info = $this->loadInfo($appPath . '/info.json');
+        if ($info === null) {
+            return;
+        }
+
+        $classPath = \substr(\realpath($appPath) . '/Admin/Installer', \strlen(\realpath(__DIR__ . '/../../')));
+        $class = \str_replace('/', '\\', $classPath);
+
+        /** @var $class InstallerAbstract */
+        $class::reInit($info);
+    }
+
+    /**
+     * Get all applications who are providing for a specific module.
+     *
+     * @param string $module Module to check providings for
+     *
+     * @return array<string, string[]>
+     *
+     * @since 1.0.0
+     */
     public function getProvidingForModule(string $module) : array
     {
         $providing = [];
@@ -189,6 +252,20 @@ final class ApplicationManager
         Directory::copy($source, $destination);
     }
 
+    /**
+     * Uninstall files
+     *
+     * @param string $source Source path
+     *
+     * @return void
+     *
+     * @since 1.0.0
+     */
+    private function uninstallFiles(string $source) : void
+    {
+        Directory::delete($source);
+    }
+
     /**
      * Replace placeholder string (application placeholder name)
      *

Application/InstallerAbstract.php

@@ -143,6 +143,10 @@ abstract class InstallerAbstract
         $classPath = \substr(\realpath(static::PATH) . '/Status', \strlen(\realpath(__DIR__ . '/../../')));
 
         $class = \str_replace('/', '\\', $classPath);
+
+        $class::clearRoutes();
+        $class::clearHooks();
+
         $class::activateRoutes($info);
         $class::activateHooks($info);
     }

Application/StatusAbstract.php

@@ -63,7 +63,7 @@ abstract class StatusAbstract
      */
     public static function activateRoutes(ApplicationInfo $appInfo = null) : void
     {
-        self::installRoutes(static::PATH . '/../Routes.php', static::PATH . '/../Admin/Install/Application/Routes.php');
+        self::installRoutesHooks(static::PATH . '/../Routes.php', static::PATH . '/../Admin/Install/Application/Routes.php');
     }
 
     /**
@@ -79,7 +79,7 @@ abstract class StatusAbstract
      */
     public static function activateHooks(ApplicationInfo $appInfo = null) : void
     {
-        self::installRoutes(static::PATH . '/../Hooks.php', static::PATH . '/../Admin/Install/Application/Hooks.php');
+        self::installRoutesHooks(static::PATH . '/../Hooks.php', static::PATH . '/../Admin/Install/Application/Hooks.php');
     }
 
     /**
@@ -94,7 +94,7 @@ abstract class StatusAbstract
      *
      * @since 1.0.0
      */
-    protected static function installRoutes(string $destRoutePath, string $srcRoutePath) : void
+    protected static function installRoutesHooks(string $destRoutePath, string $srcRoutePath) : void
     {
         if (!\is_file($destRoutePath)) {
             \file_put_contents($destRoutePath, '<?php return [];');
@@ -115,175 +115,40 @@ abstract class StatusAbstract
         /** @noinspection PhpIncludeInspection */
         $appRoutes = include $destRoutePath;
         /** @noinspection PhpIncludeInspection */
-        $moduleRoutes = include $srcRoutePath;
+        $srcRoutes = include $srcRoutePath;
 
-        $appRoutes = \array_merge_recursive($appRoutes, $moduleRoutes);
+        $appRoutes = \array_merge_recursive($appRoutes, $srcRoutes);
 
         \file_put_contents($destRoutePath, '<?php return ' . ArrayParser::serializeArray($appRoutes) . ';', \LOCK_EX);
     }
 
     /**
-     * Install hooks.
+     * Clear all routes.
-     *
-     * @param string $destHookPath Destination hook path
-     * @param string $srcHookPath  Source hook path
-     *
-     * @return void
-     *
-     * @throws PathException       This exception is thrown if the hook file doesn't exist
-     * @throws PermissionException This exception is thrown if the hook file couldn't be updated (no write permission)
-     *
-     * @since 1.0.0
-     */
-    protected static function installHooks(string $destHookPath, string $srcHookPath) : void
-    {
-        if (!\is_file($destHookPath)) {
-            \file_put_contents($destHookPath, '<?php return [];');
-        }
-
-        if (!\is_file($srcHookPath)) {
-            return;
-        }
-
-        if (!\is_file($destHookPath)) {
-            throw new PathException($destHookPath);
-        }
-
-        if (!\is_writable($destHookPath)) {
-            throw new PermissionException($destHookPath);
-        }
-
-        /** @noinspection PhpIncludeInspection */
-        $appHooks = include $destHookPath;
-        /** @noinspection PhpIncludeInspection */
-        $moduleHooks = include $srcHookPath;
-
-        $appHooks = \array_merge_recursive($appHooks, $moduleHooks);
-
-        \file_put_contents($destHookPath, '<?php return ' . ArrayParser::serializeArray($appHooks) . ';', \LOCK_EX);
-    }
-
-    /**
-     * Deactivate routes.
-     *
-     * @param ApplicationInfo $appInfo Application info
      *
      * @return void
      *
+     * @throws PathException
      * @throws PermissionException
      *
      * @since 1.0.0
      */
-    public static function deactivateRoutes(ApplicationInfo $appInfo) : void
+    public static function clearRoutes() : void
     {
-        self::installRoutes(static::PATH . '/../Routes.php', static::PATH . '/../Admin/Install/Application/Routes.php');
+        \file_put_contents(static::PATH . '/../Routes.php', '<?php return [];', \LOCK_EX);
     }
 
     /**
-     * Deactivate hooks.
+     * Clear all hooks.
-     *
-     * @param ApplicationInfo $appInfo Application info
      *
      * @return void
      *
+     * @throws PathException
      * @throws PermissionException
      *
      * @since 1.0.0
      */
-    public static function deactivateHooks(ApplicationInfo $appInfo) : void
+    public static function clearHooks() : void
     {
-        self::installRoutes(static::PATH . '/../Hooks.php', static::PATH . '/../Admin/Install/Application/Hooks.php');
+        \file_put_contents(static::PATH . '/../Hooks.php', '<?php return [];', \LOCK_EX);
-    }
-
-    /**
-     * Uninstall routes.
-     *
-     * @param string $destRoutePath Destination route path
-     * @param string $srcRoutePath  Source route path
-     *
-     * @return void
-     *
-     * @throws PermissionException
-     *
-     * @since 1.0.0
-     */
-    public static function uninstallRoutes(string $destRoutePath, string $srcRoutePath) : void
-    {
-        if (!\is_file($destRoutePath)
-            || !\is_file($srcRoutePath)
-        ) {
-            return;
-        }
-
-        if (!\is_file($destRoutePath)) {
-            throw new PathException($destRoutePath);
-        }
-
-        if (!\is_writable($destRoutePath)) {
-            throw new PermissionException($destRoutePath);
-        }
-
-        /** @noinspection PhpIncludeInspection */
-        $appRoutes = include $destRoutePath;
-        /** @noinspection PhpIncludeInspection */
-        $moduleRoutes = include $srcRoutePath;
-
-        $appRoutes = ArrayUtils::array_diff_assoc_recursive($appRoutes, $moduleRoutes);
-
-        \file_put_contents($destRoutePath, '<?php return ' . ArrayParser::serializeArray($appRoutes) . ';', \LOCK_EX);
-    }
-
-    /**
-     * Uninstall hooks.
-     *
-     * @param string $destHookPath Destination hook path
-     * @param string $srcHookPath  Source hook path
-     *
-     * @return void
-     *
-     * @throws PermissionException
-     *
-     * @since 1.0.0
-     */
-    protected static function uninstallHooks(string $destHookPath, string $srcHookPath) : void
-    {
-        if (!\is_file($destHookPath)
-            || !\is_file($srcHookPath)
-        ) {
-            return;
-        }
-
-        if (!\is_file($destHookPath)) {
-            throw new PathException($destHookPath);
-        }
-
-        if (!\is_writable($destHookPath)) {
-            throw new PermissionException($destHookPath);
-        }
-
-        /** @noinspection PhpIncludeInspection */
-        $appHooks = include $destHookPath;
-        /** @noinspection PhpIncludeInspection */
-        $moduleHooks = include $srcHookPath;
-
-        $appHooks = ArrayUtils::array_diff_assoc_recursive($appHooks, $moduleHooks);
-
-        \file_put_contents($destHookPath, '<?php return ' . ArrayParser::serializeArray($appHooks) . ';', \LOCK_EX);
-    }
-
-    /**
-     * Deactivate app.
-     *
-     * @param DatabasePool    $dbPool Database instance
-     * @param ApplicationInfo $info   Module info
-     *
-     * @return void
-     *
-     * @since 1.0.0
-     */
-    public static function deactivate(DatabasePool $dbPool, ApplicationInfo $info) : void
-    {
-        self::deactivateRoutes($info);
-        self::deactivateHooks($info);
     }
 }

Application/UninstallerAbstract.php

@@ -40,7 +40,7 @@ abstract class UninstallerAbstract
      */
     public static function uninstall(DatabasePool $dbPool, ApplicationInfo $info) : void
     {
-        self::deactivate($dbPool, $info);
+        //self::deactivate($dbPool, $info);
         self::dropTables($dbPool, $info);
         self::unregisterFromDatabase($dbPool, $info);
     }
@@ -55,12 +55,14 @@ abstract class UninstallerAbstract
      *
      * @since 1.0.0
      */
+    /*
     protected static function deactivate(DatabasePool $dbPool, ApplicationInfo $info) : void
     {
-        /** @var StatusAbstract $class */
+        $classPath = \substr(\realpath(static::PATH) . '/Status', \strlen(\realpath(__DIR__ . '/../../')));
-        $class = '\Web\\' . $info->getInternalName() . '\Admin\Status';
+
+        $class = \str_replace('/', '\\', $classPath);
         $class::deactivate($dbPool, $info);
-    }
+    }*/
 
     /**
      * Drop tables of app.
@@ -74,8 +76,7 @@ abstract class UninstallerAbstract
      */
     public static function dropTables(DatabasePool $dbPool, ApplicationInfo $info) : void
     {
-        $path = __DIR__ . '/../../Web/' . $info->getInternalName() . '/Admin/Install/db.json';
+        $path = static::PATH . '/Install/db.json';
-
         if (!\is_file($path)) {
             return;
         }
@@ -88,8 +89,8 @@ abstract class UninstallerAbstract
         $definitions = \json_decode($content, true);
         $builder     = new SchemaBuilder($dbPool->get('schema'));
 
-        foreach ($definitions as $definition) {
+        foreach ($definitions as $name => $definition) {
-            $builder->dropTable($definition['table'] ?? '');
+            $builder->dropTable($name ?? '');
         }
 
         $builder->execute();

Business/Marketing/CustomerValue.php

@@ -27,7 +27,7 @@ final class CustomerValue
     /**
      * Simple customer lifetime value
      *
-     * Hazard Model, same as $margin * (1 + $discountRate) / (1 + $discountRate - $retentionRate)
+     * Hazard Model
      *
      * @param float $margin        Margin per period (or revenue/sales)
      * @param float $retentionRate Rate of remaining customers per period (= average lifetime / (1 + average lifetime))
@@ -42,32 +42,6 @@ final class CustomerValue
         return $margin * $retentionRate / (1 + $discountRate - $retentionRate);
     }
 
-    /**
-     * Basic customer lifetime value
-     *
-     * Hazard Model, same as $margin * (1 + $discountRate) / (1 + $discountRate - $retentionRate)
-     *
-     * @param array $margins       Margin per period (or revenue/sales)
-     * @param float $retentionRate Rate of remaining customers per period (= average lifetime / (1 + average lifetime))
-     * @param float $discountRate  Cost of capital to discount future revenue
-     *
-     * @return float
-     *
-     * @since 1.0.0
-     */
-    public static function getBasicCLV(array $margins, float $retentionRate, float $discountRate) : float
-    {
-        $clv = 0.0;
-        $c   = 1;
-        foreach ($margins as $margin) {
-            $clv += ($retentionRate ** $c) * $margin * \pow(1 / (1 + $discountRate), $c);
-
-            ++$c;
-        }
-
-        return $clv;
-    }
-
     /**
      * Normalized measure of recurring revenue
      *

Business/Marketing/Metrics.php

@@ -90,26 +90,12 @@ final class Metrics
         return $rc * (1 - \exp(-$r * $t));
     }
 
-    /**
-     * Calculate the average lifetime duration
-     *
-     * @param array $retainedCustomers Retained customers per period
-     *
-     * @return float
-     *
-     * @since 1.0.0
-     */
-    public static function averageLifetimeDuration(array $retainedCustomers) : float
-    {
-        return \array_sum($retainedCustomers) / \count($retainedCustomers);
-    }
-
     /**
      * Calculate the probability of a customer being active
      *
      * @param int $purchases    Number of purchases during the periods
      * @param int $periods      Number of periods (e.g. number of months)
-     * @param int $lastPurchase In which period was the last purchase
+     * @param int $lastPurchase In which period was the last purchase (lastPurchase = periods: means customer purchased in this period)
      *
      * @return float
      *

DataStorage/Cache/Connection/ConnectionInterface.php

@@ -45,11 +45,11 @@ interface ConnectionInterface extends DataStorageConnectionInterface
      * @param int|string $key   Unique cache key
      * @param int        $value By value
      *
-     * @return void
+     * @return bool
      *
      * @since 1.0.0
      */
-    public function increment(int | string $key, int $value = 1) : void;
+    public function increment(int | string $key, int $value = 1) : bool;
 
     /**
      * Decrement value.
@@ -57,11 +57,11 @@ interface ConnectionInterface extends DataStorageConnectionInterface
      * @param int|string $key   Unique cache key
      * @param int        $value By value
      *
-     * @return void
+     * @return bool
      *
      * @since 1.0.0
      */
-    public function decrement(int | string $key, int $value = 1) : void;
+    public function decrement(int | string $key, int $value = 1) : bool;
 
     /**
      * Rename cache key.

DataStorage/Cache/Connection/FileCache.php

@@ -238,7 +238,7 @@ final class FileCache extends ConnectionAbstract
             return '';
         }
 
-        throw new InvalidEnumValue($type);
+        throw new InvalidEnumValue($type); // @codeCoverageIgnore
     }
 
     /**
@@ -281,7 +281,7 @@ final class FileCache extends ConnectionAbstract
 
         $raw = \file_get_contents($path);
         if ($raw === false) {
-            return null;
+            return null; // @codeCoverageIgnore
         }
 
         $type        = (int) $raw[0];
@@ -289,7 +289,7 @@ final class FileCache extends ConnectionAbstract
         $expireEnd   = (int) \strpos($raw, self::DELIM, $expireStart + 1);
 
         if ($expireStart < 0 || $expireEnd < 0) {
-            return null;
+            return null; // @codeCoverageIgnore
         }
 
         $cacheExpire = \substr($raw, $expireStart + 1, $expireEnd - ($expireStart + 1));
@@ -337,7 +337,7 @@ final class FileCache extends ConnectionAbstract
                 $namespace      = \substr($raw, $namespaceStart + 1, $namespaceEnd - $namespaceStart - 1);
 
                 if ($namespace === false) {
-                    return null;
+                    return null; // @codeCoverageIgnore
                 }
 
                 return new $namespace();
@@ -347,7 +347,7 @@ final class FileCache extends ConnectionAbstract
                 $namespace      = \substr($raw, $namespaceStart + 1, $namespaceEnd - $namespaceStart - 1);
 
                 if ($namespace === false) {
-                    return null;
+                    return null; // @codeCoverageIgnore
                 }
 
                 $obj = new $namespace();
@@ -385,7 +385,7 @@ final class FileCache extends ConnectionAbstract
             $raw     = \file_get_contents($path);
 
             if ($raw === false) {
-                return false;
+                return false; // @codeCoverageIgnore
             }
 
             $cacheExpire = $this->getExpire($raw);
@@ -426,7 +426,7 @@ final class FileCache extends ConnectionAbstract
 
         $raw = \file_get_contents($path);
         if ($raw === false) {
-            return false;
+            return false; // @codeCoverageIgnore
         }
 
         $type        = (int) $raw[0];
@@ -434,7 +434,7 @@ final class FileCache extends ConnectionAbstract
         $expireEnd   = (int) \strpos($raw, self::DELIM, $expireStart + 1);
 
         if ($expireStart < 0 || $expireEnd < 0) {
-            return false;
+            return false; // @codeCoverageIgnore
         }
 
         $cacheExpire = \substr($raw, $expireStart + 1, $expireEnd - ($expireStart + 1));
@@ -452,11 +452,11 @@ final class FileCache extends ConnectionAbstract
     /**
      * {@inheritdoc}
      */
-    public function increment(int | string $key, int $value = 1) : void
+    public function increment(int | string $key, int $value = 1) : bool
     {
         $path = $this->getPath($key);
         if (!File::exists($path)) {
-            return;
+            return false;
         }
 
         $created = File::created($path)->getTimestamp();
@@ -464,7 +464,7 @@ final class FileCache extends ConnectionAbstract
 
         $raw = \file_get_contents($path);
         if ($raw === false) {
-            return;
+            return false; // @codeCoverageIgnore
         }
 
         $type        = (int) $raw[0];
@@ -472,7 +472,7 @@ final class FileCache extends ConnectionAbstract
         $expireEnd   = (int) \strpos($raw, self::DELIM, $expireStart + 1);
 
         if ($expireStart < 0 || $expireEnd < 0) {
-            return;
+            return false; // @codeCoverageIgnore
         }
 
         $cacheExpire = \substr($raw, $expireStart + 1, $expireEnd - ($expireStart + 1));
@@ -480,16 +480,18 @@ final class FileCache extends ConnectionAbstract
 
         $val = $this->reverseValue($type, $raw, $expireEnd);
         $this->set($key, $val + $value, $cacheExpire);
+
+        return true;
     }
 
     /**
      * {@inheritdoc}
      */
-    public function decrement(int | string $key, int $value = 1) : void
+    public function decrement(int | string $key, int $value = 1) : bool
     {
         $path = $this->getPath($key);
         if (!File::exists($path)) {
-            return;
+            return false;
         }
 
         $created = File::created($path)->getTimestamp();
@@ -497,7 +499,7 @@ final class FileCache extends ConnectionAbstract
 
         $raw = \file_get_contents($path);
         if ($raw === false) {
-            return;
+            return false; // @codeCoverageIgnore
         }
 
         $type        = (int) $raw[0];
@@ -505,7 +507,7 @@ final class FileCache extends ConnectionAbstract
         $expireEnd   = (int) \strpos($raw, self::DELIM, $expireStart + 1);
 
         if ($expireStart < 0 || $expireEnd < 0) {
-            return;
+            return false; // @codeCoverageIgnore
         }
 
         $cacheExpire = \substr($raw, $expireStart + 1, $expireEnd - ($expireStart + 1));
@@ -513,6 +515,8 @@ final class FileCache extends ConnectionAbstract
 
         $val = $this->reverseValue($type, $raw, $expireEnd);
         $this->set($key, $val - $value, $cacheExpire);
+
+        return true;
     }
 
     /**
@@ -548,7 +552,7 @@ final class FileCache extends ConnectionAbstract
 
             $raw = \file_get_contents($path);
             if ($raw === false) {
-                continue;
+                continue; // @codeCoverageIgnore
             }
 
             $type        = (int) $raw[0];
@@ -556,7 +560,7 @@ final class FileCache extends ConnectionAbstract
             $expireEnd   = (int) \strpos($raw, self::DELIM, $expireStart + 1);
 
             if ($expireStart < 0 || $expireEnd < 0) {
-                continue;
+                continue; // @codeCoverageIgnore
             }
 
             $cacheExpire = \substr($raw, $expireStart + 1, $expireEnd - ($expireStart + 1));
@@ -600,7 +604,7 @@ final class FileCache extends ConnectionAbstract
                 $raw     = \file_get_contents($path);
 
                 if ($raw === false) {
-                    continue;
+                    continue; // @codeCoverageIgnore
                 }
 
                 $cacheExpire = $this->getExpire($raw);

DataStorage/Cache/Connection/MemCached.php

@@ -154,17 +154,21 @@ final class MemCached extends ConnectionAbstract
     /**
      * {@inheritdoc}
      */
-    public function increment(int | string $key, int $value = 1) : void
+    public function increment(int | string $key, int $value = 1) : bool
     {
         $this->con->increment($key, $value);
+
+        return true;
     }
 
     /**
      * {@inheritdoc}
      */
-    public function decrement(int | string $key, int $value = 1) : void
+    public function decrement(int | string $key, int $value = 1) : bool
     {
         $this->con->decrement($key, $value);
+
+        return true;
     }
 
     /**

DataStorage/Cache/Connection/NullCache.php

@@ -41,15 +41,17 @@ final class NullCache extends ConnectionAbstract
     /**
      * {@inheritdoc}
      */
-    public function increment(int | string $key, int $value = 1) : void
+    public function increment(int | string $key, int $value = 1) : bool
     {
+        return true;
     }
 
     /**
      * {@inheritdoc}
      */
-    public function decrement(int | string $key, int $value = 1) : void
+    public function decrement(int | string $key, int $value = 1) : bool
     {
+        return true;
     }
 
     /**

DataStorage/Cache/Connection/RedisCache.php

@@ -182,17 +182,21 @@ final class RedisCache extends ConnectionAbstract
     /**
      * {@inheritdoc}
      */
-    public function increment(int | string $key, int $value = 1) : void
+    public function increment(int | string $key, int $value = 1) : bool
     {
         $this->con->incrBy($key, $value);
+
+        return true;
     }
 
     /**
      * {@inheritdoc}
      */
-    public function decrement(int | string $key, int $value = 1) : void
+    public function decrement(int | string $key, int $value = 1) : bool
     {
         $this->con->decrBy($key, $value);
+
+        return true;
     }
 
     /**

DataStorage/Database/Schema/Builder.php

@@ -54,10 +54,10 @@ class Builder extends QueryBuilder
     /**
      * Table to drop.
      *
-     * @var string
+     * @var array
      * @since 1.0.0
      */
-    public string $dropTable = '';
+    public array $dropTable = [];
 
     /**
      * Tables.
@@ -192,8 +192,8 @@ class Builder extends QueryBuilder
      */
     public function dropTable(string $table) : self
     {
-        $this->type      = QueryType::DROP_TABLE;
+        $this->type        = QueryType::DROP_TABLE;
-        $this->dropTable = $table;
+        $this->dropTable[] = $table;
 
         return $this;
     }

DataStorage/Database/Schema/Grammar/Grammar.php

@@ -232,16 +232,16 @@ class Grammar extends QueryGrammar
     /**
      * Compile drop query.
      *
-     * @param BuilderAbstract $query Query
+     * @param BuilderAbstract $query    Query
-     * @param string          $table Tables to drop
+     * @param string          $database Tables to drop
      *
      * @return string
      *
      * @since 1.0.0
      */
-    protected function compileDropDatabase(BuilderAbstract $query, string $table) : string
+    protected function compileDropDatabase(BuilderAbstract $query, string $database) : string
     {
-        $expression = $this->expressionizeTableColumn([$table]);
+        $expression = $this->expressionizeTableColumn([$database]);
 
         if ($expression === '') {
             $expression = '*';
@@ -253,16 +253,16 @@ class Grammar extends QueryGrammar
     /**
      * Compile drop query.
      *
-     * @param BuilderAbstract $query Query
+     * @param BuilderAbstract $query  Query
-     * @param string          $table Tables to drop
+     * @param array           $tables Tables to drop
      *
      * @return string
      *
      * @since 1.0.0
      */
-    protected function compileDropTable(BuilderAbstract $query, string $table) : string
+    protected function compileDropTable(BuilderAbstract $query, array $tables) : string
     {
-        $expression = $this->expressionizeTableColumn([$table]);
+        $expression = $this->expressionizeTableColumn($tables);
 
         if ($expression === '') {
             $expression = '*';

Math/Number/Prime.php

@@ -142,7 +142,7 @@ final class Prime
         $primes = \array_combine($range, $range);
 
         if ($primes === false) {
-            return [];
+            return []; // @codeCoverageIgnore
         }
 
         while ($number * $number < $n) {

Module/ModuleAbstract.php

@@ -121,7 +121,7 @@ abstract class ModuleAbstract
     public static function getLocalization(string $language, string $destination) : array
     {
         $lang = [];
-        if (\is_file($oldPath = static::PATH . static::NAME . '/Theme/' . $destination . '/Lang/' . $language . '.lang.php')) {
+        if (\is_file($oldPath = static::PATH . '/Theme/' . $destination . '/Lang/' . $language . '.lang.php')) {
             /** @noinspection PhpIncludeInspection */
             return include $oldPath;
         }

Module/StatusAbstract.php

@@ -77,7 +77,7 @@ abstract class StatusAbstract
                         continue;
                     }
 
-                    self::installRoutes(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Routes.php', $file->getPath());
+                    self::installRoutesHooks(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Routes.php', $file->getPath());
                 }
             } elseif ($child instanceof File) {
                 if (!\is_dir(__DIR__ . '/../../' . $child->getName())
@@ -86,7 +86,7 @@ abstract class StatusAbstract
                     continue;
                 }
 
-                self::installRoutes(__DIR__ . '/../../' . $child->getName() . '/Routes.php', $child->getPath());
+                self::installRoutesHooks(__DIR__ . '/../../' . $child->getName() . '/Routes.php', $child->getPath());
             }
         }
     }
@@ -103,7 +103,7 @@ abstract class StatusAbstract
      *
      * @since 1.0.0
      */
-    protected static function installRoutes(string $destRoutePath, string $srcRoutePath) : void
+    protected static function installRoutesHooks(string $destRoutePath, string $srcRoutePath) : void
     {
         if (!\is_file($destRoutePath)) {
             \file_put_contents($destRoutePath, '<?php return [];');
@@ -157,7 +157,7 @@ abstract class StatusAbstract
                         continue;
                     }
 
-                    self::installHooks(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Hooks.php', $file->getPath());
+                    self::installRoutesHooks(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Hooks.php', $file->getPath());
                 }
             } elseif ($child instanceof File) {
                 if (!\is_dir(__DIR__ . '/../../' . $child->getName())
@@ -166,52 +166,11 @@ abstract class StatusAbstract
                     continue;
                 }
 
-                self::installHooks(__DIR__ . '/../../' . $child->getName() . '/Hooks.php', $child->getPath());
+                self::installRoutesHooks(__DIR__ . '/../../' . $child->getName() . '/Hooks.php', $child->getPath());
             }
         }
     }
 
-    /**
-     * Install hooks.
-     *
-     * @param string $destHookPath Destination hook path
-     * @param string $srcHookPath  Source hook path
-     *
-     * @return void
-     *
-     * @throws PathException       This exception is thrown if the hook file doesn't exist
-     * @throws PermissionException This exception is thrown if the hook file couldn't be updated (no write permission)
-     *
-     * @since 1.0.0
-     */
-    protected static function installHooks(string $destHookPath, string $srcHookPath) : void
-    {
-        if (!\is_file($destHookPath)) {
-            \file_put_contents($destHookPath, '<?php return [];');
-        }
-
-        if (!\is_file($srcHookPath)) {
-            return;
-        }
-
-        if (!\is_file($destHookPath)) {
-            throw new PathException($destHookPath);
-        }
-
-        if (!\is_writable($destHookPath)) {
-            throw new PermissionException($destHookPath);
-        }
-
-        /** @noinspection PhpIncludeInspection */
-        $appHooks = include $destHookPath;
-        /** @noinspection PhpIncludeInspection */
-        $moduleHooks = include $srcHookPath;
-
-        $appHooks = \array_merge_recursive($appHooks, $moduleHooks);
-
-        \file_put_contents($destHookPath, '<?php return ' . ArrayParser::serializeArray($appHooks) . ';', \LOCK_EX);
-    }
-
     /**
      * Deactivate module.
      *
@@ -252,7 +211,7 @@ abstract class StatusAbstract
                         continue;
                     }
 
-                    self::uninstallRoutes(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Routes.php', $file->getPath());
+                    self::uninstallRoutesHooks(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Routes.php', $file->getPath());
                 }
             } elseif ($child instanceof File) {
                 if (!\is_dir(__DIR__ . '/../../' . $child->getName())
@@ -261,7 +220,7 @@ abstract class StatusAbstract
                     continue;
                 }
 
-                self::uninstallRoutes(__DIR__ . '/../../' . $child->getName() . '/Routes.php', $child->getPath());
+                self::uninstallRoutesHooks(__DIR__ . '/../../' . $child->getName() . '/Routes.php', $child->getPath());
             }
         }
     }
@@ -278,7 +237,7 @@ abstract class StatusAbstract
      *
      * @since 1.0.0
      */
-    public static function uninstallRoutes(string $destRoutePath, string $srcRoutePath) : void
+    public static function uninstallRoutesHooks(string $destRoutePath, string $srcRoutePath) : void
     {
         if (!\is_file($destRoutePath)
             || !\is_file($srcRoutePath)
@@ -328,7 +287,7 @@ abstract class StatusAbstract
                         continue;
                     }
 
-                    self::uninstallHooks(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Hooks.php', $file->getPath());
+                    self::uninstallRoutesHooks(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Hooks.php', $file->getPath());
                 }
             } elseif ($child instanceof File) {
                 if (!\is_dir(__DIR__ . '/../../' . $child->getName())
@@ -337,46 +296,8 @@ abstract class StatusAbstract
                     continue;
                 }
 
-                self::uninstallHooks(__DIR__ . '/../../' . $child->getName() . '/Hooks.php', $child->getPath());
+                self::uninstallRoutesHooks(__DIR__ . '/../../' . $child->getName() . '/Hooks.php', $child->getPath());
             }
         }
     }
-
-    /**
-     * Uninstall hooks.
-     *
-     * @param string $destHookPath Destination hook path
-     * @param string $srcHookPath  Source hook path
-     *
-     * @return void
-     *
-     * @throws PermissionException
-     *
-     * @since 1.0.0
-     */
-    protected static function uninstallHooks(string $destHookPath, string $srcHookPath) : void
-    {
-        if (!\is_file($destHookPath)
-            || !\is_file($srcHookPath)
-        ) {
-            return;
-        }
-
-        if (!\is_file($destHookPath)) {
-            throw new PathException($destHookPath);
-        }
-
-        if (!\is_writable($destHookPath)) {
-            throw new PermissionException($destHookPath);
-        }
-
-        /** @noinspection PhpIncludeInspection */
-        $appHooks = include $destHookPath;
-        /** @noinspection PhpIncludeInspection */
-        $moduleHooks = include $srcHookPath;
-
-        $appHooks = ArrayUtils::array_diff_assoc_recursive($appHooks, $moduleHooks);
-
-        \file_put_contents($destHookPath, '<?php return ' . ArrayParser::serializeArray($appHooks) . ';', \LOCK_EX);
-    }
 }

Module/UninstallerAbstract.php

@@ -88,8 +88,8 @@ abstract class UninstallerAbstract
         $definitions = \json_decode($content, true);
         $builder     = new SchemaBuilder($dbPool->get('schema'));
 
-        foreach ($definitions as $definition) {
+        foreach ($definitions as $name => $definition) {
-            $builder->dropTable($definition['table'] ?? '');
+            $builder->dropTable($name ?? '');
         }
 
         $builder->execute();

tests/Account/AccountTest.php

@@ -18,6 +18,7 @@ use phpOMS\Account\Account;
 use phpOMS\Account\AccountStatus;
 use phpOMS\Account\AccountType;
 use phpOMS\Account\Group;
+use phpOMS\Account\NullGroup;
 use phpOMS\Account\PermissionAbstract;
 use phpOMS\Account\PermissionType;
 use phpOMS\Localization\L11nManager;
@@ -107,6 +108,7 @@ class AccountTest extends \PHPUnit\Framework\TestCase
         self::assertEquals(AccountType::USER, $account->getType());
 
         self::assertEquals([], $account->getPermissions());
+        self::assertFalse($account->hasGroup(2));
 
         self::assertInstanceOf('\DateTimeInterface', $account->getLastActive());
         self::assertInstanceOf('\DateTimeImmutable', $account->createdAt);
@@ -151,8 +153,9 @@ class AccountTest extends \PHPUnit\Framework\TestCase
         $account = new Account();
         $account->generatePassword('abcd');
 
-        $account->addGroup(new Group());
+        $account->addGroup(new NullGroup(2));
         self::assertCount(1, $account->getGroups());
+        self::assertTrue($account->hasGroup(2));
     }
 
     /**

tests/Algorithm/JobScheduling/WeightedTest.php

@@ -32,9 +32,9 @@ class WeightedTest extends \PHPUnit\Framework\TestCase
     public function testNoOverlappingScheduling() : void
     {
         $jobs = [
-            new Job(10, new \DateTime('2000-01-01'), null, '0'),
             new Job(20, new \DateTime('2003-01-01'), new \DateTime('2010-01-01'), 'A'),
             new Job(50, new \DateTime('2001-01-01'), new \DateTime('2002-01-01'), 'B'),
+            new Job(10, new \DateTime('2000-01-01'), null, '0'),
             new Job(100, new \DateTime('2006-01-01'), new \DateTime('2019-01-01'), 'C'),
             new Job(200, new \DateTime('2002-01-01'), new \DateTime('2020-01-01'), 'D'),
             new Job(300, new \DateTime('2004-01-01'), null, '1'),

tests/Algorithm/PathFinding/AStarTest.php

@@ -17,6 +17,7 @@ namespace phpOMS\tests\Algorithm\PathFinding;
 use phpOMS\Algorithm\PathFinding\AStar;
 use phpOMS\Algorithm\PathFinding\AStarNode;
 use phpOMS\Algorithm\PathFinding\Grid;
+use phpOMS\Algorithm\PathFinding\Path;
 use phpOMS\Algorithm\PathFinding\HeuristicType;
 use phpOMS\Algorithm\PathFinding\MovementType;
 
@@ -249,4 +250,23 @@ class AStarTest extends \PHPUnit\Framework\TestCase
             [0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
         ], $this->gridArray);
     }
+
+    /**
+     * @testdox A invalid start or end node returns the grid
+     * @covers phpOMS\Algorithm\PathFinding\AStar
+     * @group framework
+     */
+    public function testInvalidStartEndNode() : void
+    {
+        $grid = Grid::createGridFromArray($this->gridArray, AStarNode::class);
+
+        self::assertEquals(
+            new Path($grid),
+            $path = AStar::findPath(
+                999, 999,
+                -999, -999,
+                $grid, HeuristicType::EUCLIDEAN, MovementType::DIAGONAL_NO_OBSTACLE
+            )
+        );
+    }
 }

tests/Algorithm/PathFinding/JumpPointSearchTest.php

@@ -15,6 +15,7 @@ declare(strict_types=1);
 namespace phpOMS\tests\Algorithm\PathFinding;
 
 use phpOMS\Algorithm\PathFinding\Grid;
+use phpOMS\Algorithm\PathFinding\Path;
 use phpOMS\Algorithm\PathFinding\HeuristicType;
 use phpOMS\Algorithm\PathFinding\JumpPointNode;
 use phpOMS\Algorithm\PathFinding\JumpPointSearch;
@@ -249,4 +250,23 @@ class JumpPointSearchTest extends \PHPUnit\Framework\TestCase
             [0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
         ], $this->gridArray);
     }
+
+    /**
+     * @testdox A invalid start or end node returns the grid
+     * @covers phpOMS\Algorithm\PathFinding\JumpPointSearch
+     * @group framework
+     */
+    public function testInvalidStartEndNode() : void
+    {
+        $grid = Grid::createGridFromArray($this->gridArray, JumpPointNode::class);
+
+        self::assertEquals(
+            new Path($grid),
+            $path = JumpPointSearch::findPath(
+                999, 999,
+                -999, -999,
+                $grid, HeuristicType::EUCLIDEAN, MovementType::DIAGONAL_NO_OBSTACLE
+            )
+        );
+    }
 }

tests/Algorithm/Sort/CycleSortTest.php

@@ -38,6 +38,7 @@ class CycleSortTest extends \PHPUnit\Framework\TestCase
             new NumericElement(1),
             new NumericElement(4),
             new NumericElement(2),
+            new NumericElement(2),
             new NumericElement(8),
         ];
     }
@@ -62,11 +63,11 @@ class CycleSortTest extends \PHPUnit\Framework\TestCase
     {
         $newList = CycleSort::sort($this->list);
         self::assertEquals(
-            [1, 2, 4, 5, 8], [$newList[0]->value, $newList[1]->value, $newList[2]->value, $newList[3]->value, $newList[4]->value,]
+            [1, 2, 2, 4, 5, 8], [$newList[0]->value, $newList[1]->value, $newList[2]->value, $newList[3]->value, $newList[4]->value, $newList[5]->value,]
         );
 
         self::assertEquals(
-            [5, 1, 4, 2, 8], [$this->list[0]->value, $this->list[1]->value, $this->list[2]->value, $this->list[3]->value, $this->list[4]->value,]
+            [5, 1, 4, 2, 2, 8], [$this->list[0]->value, $this->list[1]->value, $this->list[2]->value, $this->list[3]->value, $this->list[4]->value, $this->list[5]->value,]
         );
     }
 
@@ -78,11 +79,11 @@ class CycleSortTest extends \PHPUnit\Framework\TestCase
     {
         $newList = CycleSort::sort($this->list, SortOrder::DESC);
         self::assertEquals(
-            [8, 5, 4, 2, 1], [$newList[0]->value, $newList[1]->value, $newList[2]->value, $newList[3]->value, $newList[4]->value,]
+            [8, 5, 4, 2, 2, 1], [$newList[0]->value, $newList[1]->value, $newList[2]->value, $newList[3]->value, $newList[4]->value, $newList[5]->value,]
         );
 
         self::assertEquals(
-            [5, 1, 4, 2, 8], [$this->list[0]->value, $this->list[1]->value, $this->list[2]->value, $this->list[3]->value, $this->list[4]->value,]
+            [5, 1, 4, 2, 2, 8], [$this->list[0]->value, $this->list[1]->value, $this->list[2]->value, $this->list[3]->value, $this->list[4]->value, $this->list[5]->value,]
         );
     }
 }

tests/Algorithm/Sort/NumericElement.php

@@ -32,7 +32,7 @@ float $value = 0;
 
     public function compare(SortableInterface $obj, int $order = SortOrder::ASC) : bool
     {
-        return $order === SortOrder::ASC ? $this->value > $obj->value : $this->value < $obj->value;
+        return $order === SortOrder::ASC ? $this->value >= $obj->value : $this->value <= $obj->value;
     }
 
     public function equals(SortableInterface $obj) : bool

tests/Algorithm/Sort/StoogeSortTest.php

@@ -38,6 +38,7 @@ class StoogeSortTest extends \PHPUnit\Framework\TestCase
             new NumericElement(1),
             new NumericElement(4),
             new NumericElement(2),
+            new NumericElement(2),
             new NumericElement(8),
         ];
     }
@@ -62,11 +63,11 @@ class StoogeSortTest extends \PHPUnit\Framework\TestCase
     {
         $newList = StoogeSort::sort($this->list);
         self::assertEquals(
-            [1, 2, 4, 5, 8], [$newList[0]->value, $newList[1]->value, $newList[2]->value, $newList[3]->value, $newList[4]->value,]
+            [1, 2, 2, 4, 5, 8], [$newList[0]->value, $newList[1]->value, $newList[2]->value, $newList[3]->value, $newList[4]->value, $newList[5]->value,]
         );
 
         self::assertEquals(
-            [5, 1, 4, 2, 8], [$this->list[0]->value, $this->list[1]->value, $this->list[2]->value, $this->list[3]->value, $this->list[4]->value,]
+            [5, 1, 4, 2, 2, 8], [$this->list[0]->value, $this->list[1]->value, $this->list[2]->value, $this->list[3]->value, $this->list[4]->value, $this->list[5]->value,]
         );
     }
 
@@ -78,11 +79,11 @@ class StoogeSortTest extends \PHPUnit\Framework\TestCase
     {
         $newList = StoogeSort::sort($this->list, SortOrder::DESC);
         self::assertEquals(
-            [8, 5, 4, 2, 1], [$newList[0]->value, $newList[1]->value, $newList[2]->value, $newList[3]->value, $newList[4]->value,]
+            [8, 5, 4, 2, 2, 1], [$newList[0]->value, $newList[1]->value, $newList[2]->value, $newList[3]->value, $newList[4]->value, $newList[5]->value,]
         );
 
         self::assertEquals(
-            [5, 1, 4, 2, 8], [$this->list[0]->value, $this->list[1]->value, $this->list[2]->value, $this->list[3]->value, $this->list[4]->value,]
+            [5, 1, 4, 2, 2, 8], [$this->list[0]->value, $this->list[1]->value, $this->list[2]->value, $this->list[3]->value, $this->list[4]->value, $this->list[5]->value,]
         );
     }
 }

tests/Application/ApplicationManagerTest.php

@@ -76,10 +76,11 @@ class ApplicationManagerTest extends \PHPUnit\Framework\TestCase
     /**
      * @covers phpOMS\Application\ApplicationManager
      * @covers phpOMS\Application\InstallerAbstract
+     * @covers phpOMS\Application\UninstallerAbstract
      * @covers phpOMS\Application\StatusAbstract
      * @group framework
      */
-    public function testInstall() : void
+    public function testInstallUninstall() : void
     {
         self::assertTrue($this->appManager->install(__DIR__ . '/Testapp', __DIR__ . '/Apps/Testapp'));
         self::assertTrue(\is_dir(__DIR__ . '/Apps/Testapp'));
@@ -89,10 +90,32 @@ class ApplicationManagerTest extends \PHPUnit\Framework\TestCase
         self::assertTrue(isset($apps['Testapp']));
 
         $providing = $this->appManager->getProvidingForModule('Navigation');
-        Directory::delete(__DIR__ . '/Apps/Testapp');
 
         self::assertTrue(isset($providing['Testapp']));
         self::assertTrue(\in_array('Navigation', $providing['Testapp']));
+
+        $this->appManager->uninstall(__DIR__ . '/Apps/Testapp');
+        self::assertFalse(\is_dir(__DIR__ . '/Apps/Testapp'));
+    }
+
+    /**
+     * @testdox A module can be re-initialized
+     * @covers phpOMS\Application\ApplicationManager
+     * @covers phpOMS\Application\InstallerAbstract
+     * @covers phpOMS\Application\StatusAbstract
+     * @group framework
+     */
+    public function testReInit() : void
+    {
+        Directory::delete(__DIR__ . '/Apps/Testapp');
+
+        $this->appManager->install(__DIR__ . '/Testapp', __DIR__ . '/Apps/Testapp');
+
+        $this->appManager->reInit(__DIR__ . '/Apps/Testapp');
+        self::assertEquals($r1 = include __DIR__ . '/Testapp/Admin/Install/Application/Routes.php', $r2 = include __DIR__ . '/Apps/Testapp/Routes.php');
+        self::assertEquals($h1 = include __DIR__ . '/Testapp/Admin/Install/Application/Hooks.php', $h2 = include __DIR__ . '/Apps/Testapp/Hooks.php');
+
+        Directory::delete(__DIR__ . '/Apps/Testapp');
     }
 
     /**
@@ -105,12 +128,40 @@ class ApplicationManagerTest extends \PHPUnit\Framework\TestCase
         self::assertFalse($this->appManager->install(__DIR__, __DIR__));
     }
 
+    /**
+     * @covers phpOMS\Application\ApplicationManager
+     * @group framework
+     */
+    public function testMissingInstallerPath() : void
+    {
+        self::assertFalse($this->appManager->install(__DIR__ . '/MissingInstaller', __DIR__ . '/Apps/MissingInstaller'));
+    }
+
     /**
      * @covers phpOMS\Application\ApplicationManager
      * @group framework
      */
     public function testMissingApplicationInfoFile() : void
     {
-        self::assertFalse($this->appManager->install(__DIR__, __DIR__ . '/newapp', __DIR__ . '/Apps/newapp'));
+        self::assertFalse($this->appManager->install(__DIR__ . '/MissingInfo', __DIR__ . '/Apps/MissingInfo'));
+    }
+
+    /**
+     * @covers phpOMS\Application\ApplicationManager
+     * @group framework
+     */
+    public function testInvalidSourceUninstallPath() : void
+    {
+        self::assertFalse($this->appManager->uninstall(__DIR__ . '/invalid', __DIR__));
+        self::assertFalse($this->appManager->uninstall(__DIR__, __DIR__));
+    }
+
+    /**
+     * @covers phpOMS\Application\ApplicationManager
+     * @group framework
+     */
+    public function testMissingUninstallerPath() : void
+    {
+        self::assertFalse($this->appManager->uninstall(__DIR__ . '/Apps/MissingInstaller'));
     }
 }

tests/Application/InstallerAbstractTest.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace phpOMS\tests\Application;
+
+require_once __DIR__ . '/../Autoloader.php';
+
+use phpOMS\Application\InstallerAbstract;
+
+/**
+ * @testdox phpOMS\tests\Application\InstallerAbstractTest: Application installer
+ *
+ * @internal
+ */
+class InstallerAbstractTest extends \PHPUnit\Framework\TestCase
+{
+	protected InstallerAbstract $installer;
+
+	/**
+     * {@inheritdoc}
+     */
+    protected function setUp() : void
+    {
+        $this->installer = new class() extends InstallerAbstract {
+        	public const PATH = __DIR__ . '/Invalid';
+        };
+    }
+
+	/**
+     * @covers phpOMS\Application\InstallerAbstract
+     * @group framework
+     */
+    public function testInvalidTheme() : void
+    {
+    	$this->installer::installTheme(__DIR__, 'Invalid');
+    	self::assertFalse(\is_dir(__DIR__ . '/css'));
+    }
+}

tests/Application/MissingInfo/Admin/Installer.php

@@ -0,0 +1 @@
+<?php

tests/Application/MissingInstaller/info.json

@@ -0,0 +1 @@
+{}

tests/Application/StatusAbstractTest.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace phpOMS\tests\Application;
+
+require_once __DIR__ . '/../Autoloader.php';
+
+use phpOMS\Application\StatusAbstract;
+
+/**
+ * @testdox phpOMS\tests\Application\StatusAbstractTest: Application status
+ *
+ * @internal
+ */
+class StatusAbstractTest extends \PHPUnit\Framework\TestCase
+{
+	protected StatusAbstract $status;
+
+	/**
+     * {@inheritdoc}
+     */
+    protected function setUp() : void
+    {
+        $this->status = new class() extends StatusAbstract {
+        	public const PATH = __DIR__ . '/Invalid';
+        };
+    }
+
+	/**
+     * @covers phpOMS\Application\StatusAbstract
+     * @group framework
+     */
+    public function testInvalidAppPathActivation() : void
+    {
+    	$this->status::activateRoutes();
+        $this->status::activateHooks();
+
+        self::assertFalse(\is_file(__DIR__ . '/Routes.php'));
+    }
+}

tests/Application/Testapp/Admin/Installer.php

@@ -4,7 +4,7 @@
  *
  * PHP Version 8.0
  *
- * @package   Web\Api\Admin
+ * @package   phpOMS\tests\Application\Apps\{APPNAME}\Admin
  * @copyright Dennis Eichhorn
  * @license   OMS License 1.0
  * @version   1.0.0
@@ -19,7 +19,7 @@ use phpOMS\Application\InstallerAbstract;
 /**
  * Installer class.
  *
- * @package Web\Api\Admin
+ * @package phpOMS\tests\Application\Apps\{APPNAME}\Admin
  * @license OMS License 1.0
  * @link    https://orange-management.org
  * @since   1.0.0

tests/Application/Testapp/Admin/Status.php

@@ -4,7 +4,7 @@
  *
  * PHP Version 8.0
  *
- * @package   Web\Api\Admin
+ * @package   phpOMS\tests\Application\Apps\{APPNAME}\Admin
  * @copyright Dennis Eichhorn
  * @license   OMS License 1.0
  * @version   1.0.0
@@ -19,7 +19,7 @@ use phpOMS\Application\StatusAbstract;
 /**
  * Status class.
  *
- * @package Web\Api\Admin
+ * @package phpOMS\tests\Application\Apps\{APPNAME}\Admin
  * @license OMS License 1.0
  * @link    https://orange-management.org
  * @since   1.0.0

tests/Application/Testapp/Admin/Uninstaller.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   phpOMS\tests\Application\Apps\{APPNAME}\Admin
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace phpOMS\tests\Application\Apps\{APPNAME}\Admin;
+
+use phpOMS\Application\UninstallerAbstract;
+
+/**
+ * Uninstaller class.
+ *
+ * @package phpOMS\tests\Application\Apps\{APPNAME}\Admin
+ * @license OMS License 1.0
+ * @link    https://orange-management.org
+ * @since   1.0.0
+ */
+final class Uninstaller extends UninstallerAbstract
+{
+	public const PATH = __DIR__;
+}

tests/Application/Testapp/Controller/Controller.php

@@ -26,4 +26,4 @@ use phpOMS\Module\ModuleAbstract;
  */
 final class Controller extends ModuleAbstract
 {
-}
+}

tests/Application/Testapp/Themes/Default/css/styles.css

@@ -1,3 +1 @@
-#test {
+html {}
-	color: #000;
-}

tests/Application/Testapp/css/styles.css

@@ -0,0 +1 @@
+body {}

tests/Application/Testapp/info.json

@@ -17,7 +17,8 @@
     "description": "The administration module.",
     "directory": "Admin",
     "providing": {
-        "Navigation": "*"
+        "Navigation": "*",
+        "Invalid": "*"
     },
     "dependencies": []
 }

tests/Business/Marketing/MetricsTest.php

@@ -83,7 +83,7 @@ class MetricsTest extends \PHPUnit\Framework\TestCase
     }
 
     /**
-     *  @testdox The CLTV can be calculated using the migration model
+     * @testdox The CLTV can be calculated using the migration model
      * @group framework
      */
     public function testMigrationModel() : void
@@ -101,7 +101,7 @@ class MetricsTest extends \PHPUnit\Framework\TestCase
     }
 
     /**
-     *  @testdox The migration model can be used in order to determin which buying/none-buying customer group should receive a mailing
+     * @testdox The migration model can be used in order to determin which buying/none-buying customer group should receive a mailing
      * @group framework
      */
     public function testMailingSuccessEstimation() : void
@@ -116,4 +116,17 @@ class MetricsTest extends \PHPUnit\Framework\TestCase
             0.1
         );
     }
+
+    /**
+     * @testdox The probability of a customer buying can be calculated based on his previous purchase behavior
+     * @group framework
+     */
+    public function testCustomerActiveProbability() : void
+    {
+        $purchases = 10;
+        $periods   = 36; // months
+
+        self::assertEqualsWithDelta(0.017, Metrics::customerActiveProbability($purchases, $periods, 24), 0.001);
+        self::assertEqualsWithDelta(1.0, Metrics::customerActiveProbability($purchases, $periods, 36), 0.001);
+    }
 }

tests/DataStorage/Cache/Connection/FileCacheTest.php

@@ -127,6 +127,29 @@ class FileCacheTest extends \PHPUnit\Framework\TestCase
         self::assertEquals('testValAdd', $this->cache->get('addKey'));
     }
 
+    public function testExists() : void
+    {
+        self::assertTrue($this->cache->add('addKey', 'testValAdd'));
+        self::assertTrue($this->cache->exists('addKey'));
+        self::assertFalse($this->cache->exists('invalid'));
+    }
+
+    public function testExpiredExists() : void
+    {
+        $this->cache->set('key2', 'testVal2', 2);
+        \sleep(1);
+        self::assertTrue($this->cache->exists('key2'));
+        self::assertFalse($this->cache->exists('key2', 0));
+        \sleep(3);
+        self::assertFalse($this->cache->exists('key2'));
+    }
+
+    public function testExistsInvalidStatus() : void
+    {
+        TestUtils::setMember($this->cache, 'status', CacheStatus::FAILURE);
+        self::assertFalse($this->cache->exists('invalid'));
+    }
+
     public function testGetLike() : void
     {
         $this->cache->set('key1', 'testVal1');
@@ -134,20 +157,47 @@ class FileCacheTest extends \PHPUnit\Framework\TestCase
         self::assertEquals([], \array_diff(['testVal1', 'testVal2'], $this->cache->getLike('key\d')));
     }
 
+    public function testExpiredGetLike() : void
+    {
+        $this->cache->set('key1', 'testVal1', 2);
+        $this->cache->set('key2', 'testVal2', 2);
+        \sleep(1);
+        self::assertEquals([], \array_diff(['testVal1', 'testVal2'], $this->cache->getLike('key\d')));
+        self::assertEquals([], $this->cache->getLike('key\d', 0));
+        \sleep(3);
+        self::assertEquals([], $this->cache->getLike('key\d'));
+    }
+
+    public function testGetLikeInvalidStatus() : void
+    {
+        TestUtils::setMember($this->cache, 'status', CacheStatus::FAILURE);
+        self::assertEquals([], $this->cache->getLike('key\d'));
+    }
+
     public function testIncrement() : void
     {
         $this->cache->set(1, 1);
-        $this->cache->increment(1, 2);
+        self::assertTrue($this->cache->increment(1, 2));
         self::assertEquals(3, $this->cache->get(1));
     }
 
+    public function testInvalidKeyIncrement() : void
+    {
+        self::assertFalse($this->cache->increment('invalid', 2));
+    }
+
     public function testDecrement() : void
     {
         $this->cache->set(1, 3);
-        $this->cache->decrement(1, 2);
+        self::assertTrue($this->cache->decrement(1, 2));
         self::assertEquals(1, $this->cache->get(1));
     }
 
+    public function testInvalidKeyDecrement() : void
+    {
+        self::assertFalse($this->cache->decrement('invalid', 2));
+    }
+
     public function testRename() : void
     {
         $this->cache->set('a', 'testVal1');
@@ -163,6 +213,23 @@ class FileCacheTest extends \PHPUnit\Framework\TestCase
         self::assertEquals([], $this->cache->getLike('key\d'));
     }
 
+    public function testExpiredDelteLike() : void
+    {
+        $this->cache->set('key1', 'testVal1', 2);
+        $this->cache->set('key2', 'testVal2', 2);
+
+        \sleep(1);
+
+        self::assertTrue($this->cache->deleteLike('key\d', 0));
+        self::assertEquals([], $this->cache->getLike('key\d'));
+    }
+
+    public function testDeleteLikeInvalidStatus() : void
+    {
+        TestUtils::setMember($this->cache, 'status', CacheStatus::FAILURE);
+        self::assertFalse($this->cache->deleteLike('key\d'));
+    }
+
     public function testUpdateExpire() : void
     {
         $this->cache->set('key2', 'testVal2', 1);
@@ -222,6 +289,11 @@ class FileCacheTest extends \PHPUnit\Framework\TestCase
         self::assertNull($this->cache->get('key4'));
     }
 
+    public function testInvalidKeyDelete() : void
+    {
+        self::assertTrue($this->cache->delete('invalid'));
+    }
+
     /**
      * @testdox The cache correctly handles general cache information
      * @covers phpOMS\DataStorage\Cache\Connection\FileCache<extended>

tests/DataStorage/Cache/Connection/MemCachedTest.php

@@ -128,6 +128,28 @@ class MemCachedTest extends \PHPUnit\Framework\TestCase
         self::assertEquals('testValAdd', $this->cache->get('addKey'));
     }
 
+    public function testExists() : void
+    {
+        self::assertTrue($this->cache->add('addKey', 'testValAdd'));
+        self::assertTrue($this->cache->exists('addKey'));
+    }
+
+    public function testExpiredExists() : void
+    {
+        $this->cache->set('key2', 'testVal2', 2);
+        \sleep(1);
+        self::assertTrue($this->cache->exists('key2'));
+        self::assertFalse($this->cache->exists('key2', 0));
+        \sleep(3);
+        self::assertFalse($this->cache->exists('key2'));
+    }
+
+    public function testExistsInvalidStatus() : void
+    {
+        TestUtils::setMember($this->cache, 'status', CacheStatus::FAILURE);
+        self::assertFalse($this->cache->exists('invalid'));
+    }
+
     public function testGetLike() : void
     {
         $this->cache->set('key1', 'testVal1');
@@ -135,20 +157,47 @@ class MemCachedTest extends \PHPUnit\Framework\TestCase
         self::assertEquals(['testVal1', 'testVal2'], $this->cache->getLike('key\d'));
     }
 
+    public function testExpiredGetLike() : void
+    {
+        $this->cache->set('key1', 'testVal1', 2);
+        $this->cache->set('key2', 'testVal2', 2);
+        \sleep(1);
+        self::assertEquals([], \array_diff(['testVal1', 'testVal2'], $this->cache->getLike('key\d')));
+        self::assertEquals([], $this->cache->getLike('key\d', 0));
+        \sleep(3);
+        self::assertEquals([], $this->cache->getLike('key\d'));
+    }
+
+    public function testGetLikeInvalidStatus() : void
+    {
+        TestUtils::setMember($this->cache, 'status', CacheStatus::FAILURE);
+        self::assertEquals([], $this->cache->getLike('key\d'));
+    }
+
     public function testIncrement() : void
     {
         $this->cache->set(1, 1);
-        $this->cache->increment(1, 2);
+        self::assertTrue($this->cache->increment(1, 2));
         self::assertEquals(3, $this->cache->get(1));
     }
 
+    public function testInvalidKeyIncrement() : void
+    {
+        self::assertFalse($this->cache->increment('invalid', 2));
+    }
+
     public function testDecrement() : void
     {
         $this->cache->set(1, 3);
-        $this->cache->decrement(1, 2);
+        self::assertTrue($this->cache->decrement(1, 2));
         self::assertEquals(1, $this->cache->get(1));
     }
 
+    public function testInvalidKeyDecrement() : void
+    {
+        self::assertFalse($this->cache->decrement('invalid', 2));
+    }
+
     public function testRename() : void
     {
         $this->cache->set('a', 'testVal1');
@@ -164,6 +213,12 @@ class MemCachedTest extends \PHPUnit\Framework\TestCase
         self::assertEquals([], $this->cache->getLike('key\d'));
     }
 
+    public function testDeleteLikeInvalidStatus() : void
+    {
+        TestUtils::setMember($this->cache, 'status', CacheStatus::FAILURE);
+        self::assertFalse($this->cache->deleteLike('key\d'));
+    }
+
     public function testUpdateExpire() : void
     {
         $this->cache->set('key2', 'testVal2', 1);
@@ -223,6 +278,11 @@ class MemCachedTest extends \PHPUnit\Framework\TestCase
         self::assertNull($this->cache->get('key4'));
     }
 
+    public function testInvalidKeyDelete() : void
+    {
+        self::assertTrue($this->cache->delete('invalid'));
+    }
+
     /**
      * @testdox The cache correctly handles general cache information
      * @covers phpOMS\DataStorage\Cache\Connection\MemCached<extended>

tests/DataStorage/Cache/Connection/NullCacheTest.php

@@ -78,7 +78,7 @@ final class NullCacheTest extends \PHPUnit\Framework\TestCase
 
     public function testDecrement() : void
     {
-        $this->cache->increment(1, 1);
+        $this->cache->decrement(1, 1);
         self::assertNull($this->cache->get(1));
     }
 

tests/DataStorage/Cache/Connection/RedisCacheTest.php

@@ -124,6 +124,28 @@ class RedisCacheTest extends \PHPUnit\Framework\TestCase
         self::assertEquals('testValAdd', $this->cache->get('addKey'));
     }
 
+    public function testExists() : void
+    {
+        self::assertTrue($this->cache->add('addKey', 'testValAdd'));
+        self::assertTrue($this->cache->exists('addKey'));
+    }
+
+    public function testExpiredExists() : void
+    {
+        $this->cache->set('key2', 'testVal2', 2);
+        \sleep(1);
+        self::assertTrue($this->cache->exists('key2'));
+        self::assertFalse($this->cache->exists('key2', 0));
+        \sleep(3);
+        self::assertFalse($this->cache->exists('key2'));
+    }
+
+    public function testExistsInvalidStatus() : void
+    {
+        TestUtils::setMember($this->cache, 'status', CacheStatus::FAILURE);
+        self::assertFalse($this->cache->exists('invalid'));
+    }
+
     public function testGetLike() : void
     {
         $this->cache->set('key1', 'testVal1');
@@ -131,20 +153,47 @@ class RedisCacheTest extends \PHPUnit\Framework\TestCase
         self::assertEquals(['testVal1', 'testVal2'], $this->cache->getLike('key\d'));
     }
 
+    public function testExpiredGetLike() : void
+    {
+        $this->cache->set('key1', 'testVal1', 2);
+        $this->cache->set('key2', 'testVal2', 2);
+        \sleep(1);
+        self::assertEquals([], \array_diff(['testVal1', 'testVal2'], $this->cache->getLike('key\d')));
+        self::assertEquals([], $this->cache->getLike('key\d', 0));
+        \sleep(3);
+        self::assertEquals([], $this->cache->getLike('key\d'));
+    }
+
+    public function testGetLikeInvalidStatus() : void
+    {
+        TestUtils::setMember($this->cache, 'status', CacheStatus::FAILURE);
+        self::assertEquals([], $this->cache->getLike('key\d'));
+    }
+
     public function testIncrement() : void
     {
         $this->cache->set(1, 1);
-        $this->cache->increment(1, 2);
+        self::assertTrue($this->cache->increment(1, 2));
         self::assertEquals(3, $this->cache->get(1));
     }
 
+    public function testInvalidKeyIncrement() : void
+    {
+        self::assertFalse($this->cache->increment('invalid', 2));
+    }
+
     public function testDecrement() : void
     {
         $this->cache->set(1, 3);
-        $this->cache->decrement(1, 2);
+        self::assertTrue($this->cache->decrement(1, 2));
         self::assertEquals(1, $this->cache->get(1));
     }
 
+    public function testInvalidKeyDecrement() : void
+    {
+        self::assertFalse($this->cache->decrement('invalid', 2));
+    }
+
     public function testRename() : void
     {
         $this->cache->set('a', 'testVal1');
@@ -160,6 +209,12 @@ class RedisCacheTest extends \PHPUnit\Framework\TestCase
         self::assertEquals([], $this->cache->getLike('key\d'));
     }
 
+    public function testDeleteLikeInvalidStatus() : void
+    {
+        TestUtils::setMember($this->cache, 'status', CacheStatus::FAILURE);
+        self::assertFalse($this->cache->deleteLike('key\d'));
+    }
+
     public function testUpdateExpire() : void
     {
         $this->cache->set('key2', 'testVal2', 1);
@@ -219,6 +274,11 @@ class RedisCacheTest extends \PHPUnit\Framework\TestCase
         self::assertNull($this->cache->get('key4'));
     }
 
+    public function testInvalidKeyDelete() : void
+    {
+        self::assertTrue($this->cache->delete('invalid'));
+    }
+
     /**
      * @testdox The cache correctly handles general cache information
      * @covers phpOMS\DataStorage\Cache\Connection\RedisCache<extended>

tests/DataStorage/Database/Schema/BuilderTest.php

@@ -108,29 +108,19 @@ class BuilderTest extends \PHPUnit\Framework\TestCase
         );*/
     }
 
+    /**
+     * @testdox The grammar correctly deletes a table
+     * @covers phpOMS\DataStorage\Database\Schema\Grammar\MysqlGrammar<extended>
+     * @group framework
+     */
     public function testMysqlCreateFromSchema() : void
     {
-        Builder::createFromSchema(
+        $query = new Builder($this->con);
-            \json_decode(
+        $sql   = 'DROP TABLE `test`, `test_foreign`;';
-                \file_get_contents(__DIR__ . '/Grammar/testSchema.json'), true
-            )['test_foreign'],
-            $this->con
-        )->execute();
 
-        Builder::createFromSchema(
+        self::assertEquals(
-            \json_decode(
+            $sql,
-                \file_get_contents(__DIR__ . '/Grammar/testSchema.json'), true
+            $query->dropTable('test')->dropTable('test_foreign')->toSql()
-            )['test'],
+        );
-            $this->con
-        )->execute();
-
-        $table  = new Builder($this->con);
-        $tables = $table->selectTables()->execute()->fetchAll(\PDO::FETCH_COLUMN);
-        self::assertContains('test', $tables);
-        self::assertContains('test_foreign', $tables);
-
-        $delete  = new Builder($this->con);
-        $delete->dropTable('test')->execute();
-        $delete->dropTable('test_foreign')->execute();
     }
 }

tests/DataStorage/Database/Schema/Grammar/MysqlGrammarTest.php

@@ -15,7 +15,7 @@ declare(strict_types=1);
 namespace phpOMS\tests\DataStorage\Database\Schema\Grammar;
 
 use phpOMS\DataStorage\Database\Connection\MysqlConnection;
-use phpOMS\DataStorage\Database\Schema\Builder as SchemaBuilder;
+use phpOMS\DataStorage\Database\Schema\Builder;
 use phpOMS\DataStorage\Database\Schema\Grammar\MysqlGrammar;
 use phpOMS\Utils\ArrayUtils;
 use phpOMS\Utils\TestUtils;
@@ -58,15 +58,15 @@ class MysqlGrammarTest extends \PHPUnit\Framework\TestCase
     {
         $definitions = \json_decode(\file_get_contents(__DIR__ . '/testSchema.json'), true);
         foreach ($definitions as $definition) {
-            SchemaBuilder::createFromSchema($definition, $this->con)->execute();
+            Builder::createFromSchema($definition, $this->con)->execute();
         }
 
-        $table  = new SchemaBuilder($this->con);
+        $table  = new Builder($this->con);
         $tables = $table->selectTables()->execute()->fetchAll(\PDO::FETCH_COLUMN);
         self::assertContains('test', $tables);
         self::assertContains('test_foreign', $tables);
 
-        $field  = new SchemaBuilder($this->con);
+        $field  = new Builder($this->con);
         $fields = $field->selectFields('test')->execute()->fetchAll();
 
         foreach ($definitions['test']['fields'] as $key => $field) {
@@ -75,6 +75,11 @@ class MysqlGrammarTest extends \PHPUnit\Framework\TestCase
                 'Couldn\'t find "' . $key . '" in array'
             );
         }
+
+        $delete  = new Builder($this->con);
+        $delete->dropTable('test')
+            ->dropTable('test_foreign')
+            ->execute();
     }
 
     /**
@@ -84,13 +89,22 @@ class MysqlGrammarTest extends \PHPUnit\Framework\TestCase
      */
     public function testDelete() : void
     {
-        $table  = new SchemaBuilder($this->con);
+        $definitions = \json_decode(\file_get_contents(__DIR__ . '/testSchema.json'), true);
+        foreach ($definitions as $definition) {
+            Builder::createFromSchema($definition, $this->con)->execute();
+        }
+
+        $table  = new Builder($this->con);
         $tables = $table->selectTables()->execute()->fetchAll(\PDO::FETCH_COLUMN);
+        self::assertContains('test', $tables);
+        self::assertContains('test_foreign', $tables);
 
-        $delete  = new SchemaBuilder($this->con);
+        $delete  = new Builder($this->con);
-        $delete->dropTable('test')->execute();
+        $delete->dropTable('test')
-        $delete->dropTable('test_foreign')->execute();
+            ->dropTable('test_foreign')
+            ->execute();
 
+        $table  = new Builder($this->con);
         $tables = $table->selectTables()->execute()->fetchAll();
         self::assertNotContains('test', $tables);
         self::assertNotContains('test_foreign', $tables);

tests/Localization/L11nManagerTest.php

@@ -91,6 +91,16 @@ class L11nManagerTest extends \PHPUnit\Framework\TestCase
         self::assertEquals('Test strin&g2', $this->l11nManager->getHtml('en', 'Admin', 'RandomThemeDoesNotMatterAlreadyLoaded', 'Test2'));
     }
 
+    /**
+     * @testdox An invalid localization source returns an error string
+     * @covers phpOMS\Localization\L11nManager
+     * @group framework
+     */
+    public function testInvalidControllerSource() : void
+    {
+        self::assertEquals('ERROR-Key', $this->l11nManager->getText('en', 'InvalidSource', 'RandomThemeDoesNotMatterAlreadyLoaded', 'Key'));
+    }
+
     /**
      * @testdox Language data can be loaded from a file
      * @covers phpOMS\Localization\L11nManager

tests/Math/Statistic/Forecast/ForecastsTest.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace phpOMS\tests\Math\Statistic\Forecast;
+
+use phpOMS\Math\Statistic\Forecast\Forecasts;
+
+/**
+ * @internal
+ */
+class ForecastsTest extends \PHPUnit\Framework\TestCase
+{
+	public function testForecastInterval() : void
+    {
+    	self::assertEqualsWithDelta(
+    		[519.3, 543.6],
+    		Forecasts::getForecastInteval(531.48, 6.21, 1.96),
+    		0.1
+    	);
+    }
+}

tests/Module/ModuleAbstractTest.php

@@ -43,7 +43,7 @@ class ModuleAbstractTest extends \PHPUnit\Framework\TestCase
     {
         $this->module = new class() extends ModuleAbstract
         {
-            public const PATH = __DIR__ . '/';
+            public const PATH = __DIR__ . '/Test';
 
             const VERSION = '1.2.3';
 

tests/Module/ModuleManagerTest.php

@@ -211,6 +211,18 @@ class ModuleManagerTest extends \PHPUnit\Framework\TestCase
     /**
      * @testdox A module can be re-initialized
      * @covers phpOMS\Module\ModuleManager
+     * @group framework
+     */
+    public function testInvalidModuleReInit() : void
+    {
+        $this->moduleManager->reInit('Invalid');
+        self::assertFalse($this->moduleManager->isActive('Invalid'));
+    }
+
+    /**
+     * @testdox A module can be re-initialized
+     * @covers phpOMS\Module\ModuleManager
+     * @covers phpOMS\Module\InstallerAbstract
      * @covers phpOMS\Module\StatusAbstract
      * @group framework
      */