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<?php |
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namespace ValueObject; |
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5
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use KDTree\Exceptions\InvalidDimensionsCount; |
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use KDTree\Exceptions\InvalidPointProvided; |
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use KDTree\Exceptions\UnknownDimension; |
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use KDTree\Interfaces\PointInterface; |
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use KDTree\ValueObject\Point; |
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use PHPUnit\Framework\TestCase; |
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final class PointTest extends TestCase |
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{ |
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public function testCorrectConstruction(): void |
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{ |
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$points = [2.74, 3.75]; |
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$point = $this->preparePoint(...$points); |
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$name = 'Test point'; |
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$point->setName($name); |
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$this->assertEquals($points, $point->getAxises()); |
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$this->assertEquals(count($points), $point->getDimensions()); |
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$this->assertEquals($name, $point->getName()); |
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$this->assertEquals($points[0], $point->getDAxis(0)); |
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$this->assertEquals($points[1], $point->getDAxis(1)); |
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} |
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public function testIncorrectPointsCount(): void |
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{ |
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$this->expectException(InvalidDimensionsCount::class); |
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$this->preparePoint(); |
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} |
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public function testEquals(): void |
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{ |
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$firstPointCoords = [23, 24]; |
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$secondPointCoords = [25, 26]; |
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$firstPoint = $this->preparePoint(...$firstPointCoords); |
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$secondPoint = $this->preparePoint(...$secondPointCoords); |
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$thirdPoint = $this->preparePoint(...$firstPointCoords); |
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$this->assertFalse($firstPoint->equals($secondPoint)); |
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$this->assertTrue($firstPoint->equals($thirdPoint)); |
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} |
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public function testUnknownDimension(): void |
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{ |
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$point = $this->preparePoint(23, 24); |
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$this->expectException(UnknownDimension::class); |
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$point->getDAxis(3); |
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} |
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public function testDistance(): void |
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{ |
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$firstPoint = $this->preparePoint(0, 0); |
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$secondPoint = $this->preparePoint(5, 5); |
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$this->assertEquals(7.0710678118654755, $firstPoint->distance($secondPoint)); |
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} |
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public function testDifferentDimensionsCount(): void |
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{ |
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$firstPoint = $this->preparePoint(0, 0); |
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$secondPoint = $this->preparePoint(5, 5, 5); |
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$this->expectException(InvalidPointProvided::class); |
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$firstPoint->distance($secondPoint); |
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} |
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/** |
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* @param float ...$points |
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* |
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* @return PointInterface |
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* @throws InvalidDimensionsCount |
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*/ |
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private function preparePoint(float ...$points): PointInterface |
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{ |
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return new Point(...$points); |
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} |
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} |
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f1r3starter /
kdtree
