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<?php |
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namespace Diff\Tests\ArrayComparer; |
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use Diff\ArrayComparer\ArrayComparer; |
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use Diff\ArrayComparer\StrategicArrayComparer; |
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use Diff\Tests\DiffTestCase; |
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/** |
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* @covers Diff\ArrayComparer\StrategicArrayComparer |
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* |
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* @group Diff |
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* |
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* @license GPL-2.0+ |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class StrategicArrayComparerTest extends DiffTestCase { |
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public function testCanConstruct() { |
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new StrategicArrayComparer( $this->getMock( 'Diff\Comparer\ValueComparer' ) ); |
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$this->assertTrue( true ); |
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} |
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public function testDiffArraysWithComparerThatAlwaysReturnsTrue() { |
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$valueComparer = $this->getMock( 'Diff\Comparer\ValueComparer' ); |
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$valueComparer->expects( $this->any() ) |
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->method( 'valuesAreEqual' ) |
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->will( $this->returnValue( true ) ); |
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$arrayComparer = new StrategicArrayComparer( $valueComparer ); |
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$this->assertNoDifference( |
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$arrayComparer, |
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array( 0, 2, 4 ), |
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array( 1, 2, 9 ) |
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); |
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$this->assertNoDifference( |
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$arrayComparer, |
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array( 1, 2, 3 ), |
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array( 1, 2, 3 ) |
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); |
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$this->assertNoDifference( |
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$arrayComparer, |
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array( 'bah' ), |
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array( 'foo', 'bar', 'baz' ) |
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); |
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$this->assertNoDifference( |
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$arrayComparer, |
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array(), |
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array( 'foo', 'bar', 'baz' ) |
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); |
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$this->assertNoDifference( |
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$arrayComparer, |
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array(), |
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array() |
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); |
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} |
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private function assertNoDifference( ArrayComparer $arrayComparer, array $arrayOne, array $arrayTwo ) { |
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$this->assertEquals( |
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array(), |
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$arrayComparer->diffArrays( |
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$arrayOne, |
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$arrayTwo |
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) |
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); |
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} |
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public function testDiffArraysWithComparerThatAlwaysReturnsFalse() { |
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$valueComparer = $this->getMock( 'Diff\Comparer\ValueComparer' ); |
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$valueComparer->expects( $this->any() ) |
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->method( 'valuesAreEqual' ) |
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->will( $this->returnValue( false ) ); |
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$arrayComparer = new StrategicArrayComparer( $valueComparer ); |
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$this->assertAllDifferent( |
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$arrayComparer, |
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array(), |
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array() |
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); |
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$this->assertAllDifferent( |
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$arrayComparer, |
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array( 1, 2, 3 ), |
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array() |
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); |
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$this->assertAllDifferent( |
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$arrayComparer, |
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array( 1, 2, 3 ), |
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array( 1, 2, 3 ) |
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); |
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$this->assertAllDifferent( |
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$arrayComparer, |
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array(), |
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array( 1, 2, 3 ) |
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); |
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} |
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private function assertAllDifferent( ArrayComparer $arrayComparer, array $arrayOne, array $arrayTwo ) { |
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$this->assertEquals( |
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$arrayOne, |
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$arrayComparer->diffArrays( |
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$arrayOne, |
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$arrayTwo |
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) |
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); |
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} |
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public function testQuantityMattersWithReturnTrue() { |
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$valueComparer = $this->getMock( 'Diff\Comparer\ValueComparer' ); |
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$valueComparer->expects( $this->any() ) |
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->method( 'valuesAreEqual' ) |
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->will( $this->returnValue( true ) ); |
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$arrayComparer = new StrategicArrayComparer( $valueComparer ); |
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$this->assertEquals( |
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array( 1, 1, 1 ), |
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$arrayComparer->diffArrays( |
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array( 1, 1, 1, 1 ), |
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array( 1 ) |
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) |
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); |
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$this->assertEquals( |
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array( 1 ), |
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$arrayComparer->diffArrays( |
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array( 1, 1, 1, 1 ), |
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array( 1, 1, 1 ) |
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) |
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); |
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} |
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public function testQuantityMattersWithSimpleComparison() { |
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$valueComparer = $this->getMock( 'Diff\Comparer\ValueComparer' ); |
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$valueComparer->expects( $this->any() ) |
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->method( 'valuesAreEqual' ) |
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->will( $this->returnCallback( function( $firstValue, $secondValue ) { |
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return $firstValue == $secondValue; |
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} ) ); |
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$arrayComparer = new StrategicArrayComparer( $valueComparer ); |
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$this->assertEquals( |
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array( 1, 2, 5 ), |
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$arrayComparer->diffArrays( |
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array( 1, 1, 2, 3, 2, 5 ), |
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array( 1, 2, 3, 4 ) |
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) |
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); |
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$this->assertEquals( |
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array( 1 ), |
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$arrayComparer->diffArrays( |
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array( 1, 1, 1, 2, 2, 3 ), |
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array( 1, 1, 2, 2, 3, 3, 3 ) |
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) |
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); |
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$this->assertEquals( |
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array( 1 ), |
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$arrayComparer->diffArrays( |
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array( 3, 1, 2, 1, 1, 2 ), |
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array( 1, 3, 3, 2, 2, 3, 1 ) |
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) |
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); |
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} |
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public function testValueComparerGetsCalledWithCorrectValues() { |
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$valueComparer = $this->getMock( 'Diff\Comparer\ValueComparer' ); |
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$valueComparer->expects( $this->once() ) |
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->method( 'valuesAreEqual' ) |
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->with( |
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$this->equalTo( 1 ), |
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$this->equalTo( 2 ) |
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) |
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->will( $this->returnValue( true ) ); |
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$arrayComparer = new StrategicArrayComparer( $valueComparer ); |
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$arrayComparer->diffArrays( |
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array( 1 ), |
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array( 2 ) |
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); |
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} |
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public function testCallbackComparisonReturningNyanCat() { |
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$valueComparer = $this->getMock( 'Diff\Comparer\ValueComparer' ); |
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$valueComparer->expects( $this->once() ) |
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->method( 'valuesAreEqual' ) |
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->will( $this->returnValue( '~=[,,_,,]:3' ) ); |
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$arrayComparer = new StrategicArrayComparer( $valueComparer ); |
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$this->setExpectedException( 'RuntimeException' ); |
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$arrayComparer->diffArrays( array( 1, '2', 'baz' ), array( 1, 'foo', '2' ) ); |
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} |
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} |
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