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phpOMS/tests/Algorithm/PathFinding/AStarTest.php
Dennis Eichhorn d6ddf6cbe9 upgrade phpunit
2024-03-20 05:16:00 +00:00

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<?php
/**
* Jingga
*
* PHP Version 8.1
*
* @package tests
* @copyright Dennis Eichhorn
* @license OMS License 2.0
* @version 1.0.0
* @link https://jingga.app
*/
declare(strict_types=1);
namespace phpOMS\tests\Algorithm\PathFinding;
use phpOMS\Algorithm\PathFinding\AStar;
use phpOMS\Algorithm\PathFinding\AStarNode;
use phpOMS\Algorithm\PathFinding\Grid;
use phpOMS\Algorithm\PathFinding\HeuristicType;
use phpOMS\Algorithm\PathFinding\MovementType;
use phpOMS\Algorithm\PathFinding\Path;
require_once __DIR__ . '/../../Autoloader.php';
/**
* @internal
*/
#[\PHPUnit\Framework\Attributes\CoversClass(\phpOMS\Algorithm\PathFinding\AStar::class)]
#[\PHPUnit\Framework\Attributes\TestDox('phpOMS\tests\Algorithm\PathFinding\AStarTest: AStar path finding')]
final class AStarTest extends \PHPUnit\Framework\TestCase
{
private array $gridArray = [
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0,],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0,],
[0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 0,],
[0, 0, 1, 0, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9,],
[0, 0, 0, 0, 9, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0,],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,],
[0, 0, 0, 9, 0, 0, 0, 9, 0, 0, 9, 9, 9, 9, 0,],
[0, 0, 0, 9, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0,],
[0, 0, 0, 9, 0, 0, 0, 9, 0, 0, 9, 9, 0, 0, 0,],
[0, 0, 0, 0, 0, 9, 9, 9, 0, 0, 9, 2, 0, 0, 0,],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0,],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0,],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0,],
];
/**
* Render a maze with ASCII symbols
*
* @param array $grid Maze grid
*
* @return void
*/
private function renderMaze(array $grid) : void
{
echo "\n";
foreach ($grid as $y => $row) {
echo "[";
foreach ($row as $x => $value) {
if ($value === 9) {
echo "\e[0;31m" . $value . "\e[0m, ";
} elseif ($value === 3) {
echo "\e[1;32m" . $value . "\e[0m, ";
} else {
echo "" . $value . ", ";
}
}
echo "],\n";
}
}
#[\PHPUnit\Framework\Attributes\Group('framework')]
#[\PHPUnit\Framework\Attributes\TestDox('The correct path is found for diagonal movement')]
public function testPathFindingDiagonal() : void
{
$grid = Grid::createGridFromArray($this->gridArray, AStarNode::class);
$path = AStar::findPath(
2, 5,
11, 11,
$grid, HeuristicType::EUCLIDEAN, MovementType::DIAGONAL
);
$expanded = $path->expandPath();
foreach ($expanded as $node) {
$this->gridArray[$node->getY()][$node->getX()] = 3;
}
// Visualization of path
// // $this->renderMaze($this->gridArray);
self::assertEqualsWithDelta(20.55634, $path->getLength(), 0.001);
self::assertTrue(
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 0, ],
[0, 0, 3, 0, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, ],
[0, 0, 3, 0, 9, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, ],
[0, 3, 9, 9, 9, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, ],
[0, 3, 0, 9, 0, 0, 3, 9, 0, 3, 9, 9, 9, 9, 0, ],
[0, 3, 0, 9, 0, 3, 0, 9, 0, 0, 3, 3, 0, 0, 0, ],
[0, 0, 3, 9, 3, 0, 0, 9, 0, 0, 9, 9, 3, 0, 0, ],
[0, 0, 0, 3, 0, 9, 9, 9, 0, 0, 9, 3, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
] === $this->gridArray ||
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 0, ],
[0, 0, 3, 0, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, ],
[0, 0, 3, 0, 9, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, ],
[0, 3, 9, 9, 9, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, ],
[0, 3, 0, 9, 0, 0, 3, 9, 3, 0, 9, 9, 9, 9, 0, ],
[0, 0, 3, 9, 0, 3, 0, 9, 0, 3, 3, 3, 0, 0, 0, ],
[0, 0, 3, 9, 3, 0, 0, 9, 0, 0, 9, 9, 3, 0, 0, ],
[0, 0, 0, 3, 0, 9, 9, 9, 0, 0, 9, 3, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
] === $this->gridArray
);
}
#[\PHPUnit\Framework\Attributes\Group('framework')]
#[\PHPUnit\Framework\Attributes\TestDox('The correct path is found for straight movement')]
public function testPathFindingStraight() : void
{
$grid = Grid::createGridFromArray($this->gridArray, AStarNode::class);
$path = AStar::findPath(
2, 5,
11, 11,
$grid, HeuristicType::EUCLIDEAN, MovementType::STRAIGHT
);
$expanded = $path->expandPath();
foreach ($expanded as $node) {
$this->gridArray[$node->getY()][$node->getX()] = 3;
}
// Visualization of path
// $this->renderMaze($this->gridArray);
self::assertEqualsWithDelta(27.0, $path->getLength(), 0.001);
self::assertTrue(
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 0, ],
[0, 0, 3, 0, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, ],
[0, 3, 3, 0, 9, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, ],
[0, 3, 9, 9, 9, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, ],
[0, 3, 0, 9, 0, 3, 0, 9, 3, 3, 9, 9, 9, 9, 0, ],
[0, 3, 0, 9, 0, 3, 0, 9, 0, 3, 3, 3, 3, 0, 0, ],
[0, 3, 0, 9, 3, 3, 0, 9, 0, 0, 9, 9, 3, 0, 0, ],
[0, 3, 3, 3, 3, 9, 9, 9, 0, 0, 9, 3, 3, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
] === $this->gridArray ||
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 0, ],
[0, 0, 3, 0, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, ],
[0, 3, 3, 0, 9, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, ],
[0, 3, 9, 9, 9, 0, 3, 3, 3, 0, 0, 0, 0, 0, 0, ],
[0, 3, 3, 9, 0, 0, 3, 9, 3, 0, 9, 9, 9, 9, 0, ],
[0, 0, 3, 9, 0, 0, 3, 9, 3, 3, 3, 3, 3, 0, 0, ],
[0, 0, 3, 9, 3, 3, 3, 9, 0, 0, 9, 9, 3, 0, 0, ],
[0, 0, 3, 3, 3, 9, 9, 9, 0, 0, 9, 3, 3, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
] === $this->gridArray
);
}
#[\PHPUnit\Framework\Attributes\Group('framework')]
#[\PHPUnit\Framework\Attributes\TestDox('The correct path is found for diagonal movement [one obstacle]')]
public function testPathFindingDiagonalOneObstacle() : void
{
$grid = Grid::createGridFromArray($this->gridArray, AStarNode::class);
$path = AStar::findPath(
2, 5,
11, 11,
$grid, HeuristicType::EUCLIDEAN, MovementType::DIAGONAL_ONE_OBSTACLE
);
$expanded = $path->expandPath();
foreach ($expanded as $node) {
$this->gridArray[$node->getY()][$node->getX()] = 3;
}
// Visualization of path
// $this->renderMaze($this->gridArray);
self::assertEqualsWithDelta(20.55634, $path->getLength(), 0.001);
self::assertTrue(
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 0, ],
[0, 0, 3, 0, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, ],
[0, 0, 3, 0, 9, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, ],
[0, 3, 9, 9, 9, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, ],
[0, 3, 0, 9, 0, 0, 3, 9, 0, 3, 9, 9, 9, 9, 0, ],
[0, 3, 0, 9, 0, 3, 0, 9, 0, 0, 3, 3, 0, 0, 0, ],
[0, 0, 3, 9, 3, 0, 0, 9, 0, 0, 9, 9, 3, 0, 0, ],
[0, 0, 0, 3, 0, 9, 9, 9, 0, 0, 9, 3, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
] === $this->gridArray ||
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 0, ],
[0, 0, 3, 0, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, ],
[0, 0, 3, 0, 9, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, ],
[0, 3, 9, 9, 9, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, ],
[0, 3, 0, 9, 0, 0, 3, 9, 3, 0, 9, 9, 9, 9, 0, ],
[0, 0, 3, 9, 0, 3, 0, 9, 0, 3, 3, 3, 0, 0, 0, ],
[0, 0, 3, 9, 3, 0, 0, 9, 0, 0, 9, 9, 3, 0, 0, ],
[0, 0, 0, 3, 0, 9, 9, 9, 0, 0, 9, 3, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
] === $this->gridArray
);
}
#[\PHPUnit\Framework\Attributes\Group('framework')]
#[\PHPUnit\Framework\Attributes\TestDox('The correct path is found for diagonal movement [no obstacle]')]
public function testPathFindingDiagonalNoObstacle() : void
{
$grid = Grid::createGridFromArray($this->gridArray, AStarNode::class);
$path = AStar::findPath(
2, 5,
11, 11,
$grid, HeuristicType::EUCLIDEAN, MovementType::DIAGONAL_NO_OBSTACLE
);
$expanded = $path->expandPath();
foreach ($expanded as $node) {
$this->gridArray[$node->getY()][$node->getX()] = 3;
}
// Visualization of path
// $this->renderMaze($this->gridArray);
self::assertEqualsWithDelta(24.07107, $path->getLength(), 0.001);
self::assertTrue(
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 0, ],
[0, 0, 3, 0, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, ],
[0, 3, 0, 0, 9, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, ],
[0, 3, 9, 9, 9, 0, 3, 3, 3, 0, 0, 0, 0, 0, 0, ],
[0, 3, 0, 9, 0, 3, 0, 9, 0, 3, 9, 9, 9, 9, 0, ],
[0, 3, 0, 9, 3, 0, 0, 9, 0, 3, 3, 3, 3, 0, 0, ],
[0, 3, 0, 9, 3, 0, 0, 9, 0, 0, 9, 9, 3, 0, 0, ],
[0, 0, 3, 3, 3, 9, 9, 9, 0, 0, 9, 3, 3, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
] === $this->gridArray ||
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, ],
[0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 0, ],
[0, 0, 3, 0, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, ],
[0, 3, 0, 0, 9, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, ],
[0, 3, 9, 9, 9, 0, 3, 3, 3, 0, 0, 0, 0, 0, 0, ],
[0, 3, 0, 9, 0, 0, 3, 9, 0, 3, 9, 9, 9, 9, 0, ],
[0, 3, 0, 9, 0, 3, 0, 9, 0, 3, 3, 3, 3, 0, 0, ],
[0, 0, 3, 9, 3, 0, 0, 9, 0, 0, 9, 9, 3, 0, 0, ],
[0, 0, 3, 3, 3, 9, 9, 9, 0, 0, 9, 3, 3, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
[0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, ],
]
);
}
#[\PHPUnit\Framework\Attributes\Group('framework')]
#[\PHPUnit\Framework\Attributes\TestDox('A invalid start or end node returns the grid')]
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
)
);
}
}
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