From 492430ea8a17eaa99019c931cf633ba26a36021e Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Thu, 18 Apr 2019 22:56:08 +0200
Subject: [PATCH] Split up tests

---
 .../Matrix/SingularValueDecompositionTest.php | 25 ++++++++++++++++++-
 tests/System/SystemUtilsTest.php              | 17 +++++++++++--
 2 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/tests/Math/Matrix/SingularValueDecompositionTest.php b/tests/Math/Matrix/SingularValueDecompositionTest.php
index 3b417c72b..cb6a78dac 100644
--- a/tests/Math/Matrix/SingularValueDecompositionTest.php
+++ b/tests/Math/Matrix/SingularValueDecompositionTest.php
@@ -16,9 +16,15 @@ namespace phpOMS\tests\Math\Matrix;
 use phpOMS\Math\Matrix\Matrix;
 use phpOMS\Math\Matrix\SingularValueDecomposition;
 
+/**
+ * @testdox phpOMS\tests\Math\Matrix\SingularValueDecompositionTest: Singular Value Decomposition
+ */
 class SingularValueDecompositionTest extends \PHPUnit\Framework\TestCase
 {
-    public function testDecomposition() : void
+    /**
+     * @testdox Test the correct rank calculation
+     */
+    public function testRankCalculation() : void
     {
         $A = new Matrix();
         $A->setMatrix([
@@ -29,6 +35,20 @@ class SingularValueDecompositionTest extends \PHPUnit\Framework\TestCase
         $svd = new SingularValueDecomposition($A);
 
         self::assertEquals(2, $svd->rank());
+    }
+
+    /**
+     * @testdox Test the correct calculation of U, S and V
+     */
+    public function testSUVCalculation() : void
+    {
+        $A = new Matrix();
+        $A->setMatrix([
+            [2, -2, 1],
+            [5, 1, 4],
+        ]);
+
+        $svd = new SingularValueDecomposition($A);
 
         self::assertEquals([
             [-0.3092, -0.9510],
@@ -48,6 +68,9 @@ class SingularValueDecompositionTest extends \PHPUnit\Framework\TestCase
         ], $svd->getV()->toArray(), '', 0.2);
     }
 
+    /**
+     * @testdox Test A = S * U * V'
+     */
     public function testComposition() : void
     {
         $A = new Matrix();
diff --git a/tests/System/SystemUtilsTest.php b/tests/System/SystemUtilsTest.php
index 8cc80abe7..2d4428b14 100644
--- a/tests/System/SystemUtilsTest.php
+++ b/tests/System/SystemUtilsTest.php
@@ -17,12 +17,17 @@ use phpOMS\System\SystemUtils;
 
 require_once __DIR__ . '/../Autoloader.php';
 
+/**
+ * @testdox phpOMS\System\SystemUtils: System information
+ */
 class SystemUtilsTest extends \PHPUnit\Framework\TestCase
 {
-    public function testSystem() : void
+    /**
+     * @testdox Test if it is possible to get information about the available RAM and usage (on Windows)
+     */
+    public function testRAM() : void
     {
         self::assertGreaterThan(0, SystemUtils::getRAM());
-        self::assertGreaterThan(0, SystemUtils::getCpuUsage());
 
         if (\stristr(PHP_OS, 'WIN')) {
             self::assertEquals(0, SystemUtils::getRAMUsage());
@@ -32,4 +37,12 @@ class SystemUtilsTest extends \PHPUnit\Framework\TestCase
             self::assertGreaterThan(0, SystemUtils::getRAMUsage());
         }
     }
+
+    /**
+     * @testdox Test if it is possible to get information about the CPU usage
+     */
+    public function testCPUUsage() : void
+    {
+        self::assertGreaterThan(0, SystemUtils::getCpuUsage());
+    }
 }