WeightedValueTest.php
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WeightedValueTest.php
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	<?php
	declare(strict_types=1);

	namespace Keruald\OmniTools\Tests\Collections;

	use Keruald\OmniTools\Collections\WeightedValue;
	use PHPUnit\Framework\TestCase;

	class WeightedValueTest extends TestCase {

	/**
	* @var WeightedValue
	*/
	private $lowValue;

	/**
	* @var WeightedValue
	*/
	private $highValue;

	///
	/// Fixtures
	///

	protected function setUp () : void {
	$this->lowValue = new WeightedValue("LOW", 0.1);
	$this->highValue = new WeightedValue("HIGH");
	}

	///
	/// Tests
	///

	public function testGetWeight () : void {
	$this->assertSame(0.1, $this->lowValue->getWeight());
	$this->assertSame(
	WeightedValue::DEFAULT_WEIGHT,
	$this->highValue->getWeight()
	);
	}

	public function testSetWeight () : void {
	$this->lowValue->setWeight(0.2);
	$this->assertSame(0.2, $this->lowValue->getWeight());
	}

	public function testGetValue () : void {
	$this->assertEquals("LOW", $this->lowValue->getValue());
	$this->assertEquals("HIGH", $this->highValue->getValue());
	}

	public function testSetValue () : void {
	$this->lowValue->setValue("FOO");
	$this->assertEquals("FOO", $this->lowValue->getValue());
	}

	public function testCompareTo () : void {
	$this->assertEquals(
	0,
	$this->lowValue->compareTo($this->lowValue)
	);

	$this->assertEquals(
	-1,
	$this->lowValue->compareTo($this->highValue)
	);

	$this->assertEquals(
	1,
	$this->highValue->compareTo($this->lowValue)
	);
	}

	public function testCompareToWithApplesAndPears () : void {
	$this->expectException("TypeError");
	$this->highValue->compareTo(new \stdClass);
	}

	/**
	* @dataProvider provideExpressionsToParse
	*/
	public function testParse ($expression, $expectedValue, $expectedWeight) : void {
	$value = WeightedValue::Parse($expression);

	$this->assertEquals($expectedValue, $value->getValue());
	$this->assertEquals($expectedWeight, $value->getWeight());
	}

	///
	/// Data providers
	///

	public function provideExpressionsToParse () : iterable {
	yield ["", "", 1.0];
	yield ["de", "de", 1.0];
	yield ["de;q=1.0", "de", 1.0];
	yield ["de;q=0.7", "de", 0.7];
	yield [";;q=0.7", ";", 0.7];
	}

	}

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