SnakListTest::provideEqualSnakLists() - Code Metrics - Inspection of "Heavily optimize SnakList::moveSnaksToBottom" - wmde/WikibaseDataModel - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Push — moveSnaksToBottom-optimize2 ( 91f09b )

by no

created 2017-10-04 11:37 UTC

SnakListTest::provideEqualSnakLists() A

↳ Parent: SnakListTest

Complexity

Conditions	1
Paths	1

Size

Total Lines	11
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	11
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	8
nc	1
nop	0

<?php

namespace Wikibase\DataModel\Tests\Snak;

use Comparable;
use DataValues\StringValue;
use Hashable;
use InvalidArgumentException;
use PHPUnit_Framework_TestCase;
use Wikibase\DataModel\Entity\PropertyId;
use Wikibase\DataModel\Snak\PropertyNoValueSnak;
use Wikibase\DataModel\Snak\PropertyValueSnak;
use Wikibase\DataModel\Snak\Snak;
use Wikibase\DataModel\Snak\SnakList;

/**
 * @covers Wikibase\DataModel\Snak\SnakList
 *
 * @license GPL-2.0+
 * @author Jeroen De Dauw < [email protected] >
 * @author Addshore
 * @author Thiemo Mättig
 */
class SnakListTest extends PHPUnit_Framework_TestCase {

	public function elementInstancesProvider() {
		$id42 = new PropertyId( 'P42' );

		$argLists = [];

		$argLists[] = [ [ new PropertyNoValueSnak( $id42 ) ] ];
		$argLists[] = [ [ new PropertyNoValueSnak( new PropertyId( 'P9001' ) ) ] ];
		$argLists[] = [ [ new PropertyValueSnak( $id42, new StringValue( 'a' ) ) ] ];

		return $argLists;
	}

	public function instanceProvider() {
		$id42 = new PropertyId( 'P42' );
		$id9001 = new PropertyId( 'P9001' );

		return [
			[ new SnakList() ],
			[ new SnakList( [
				new PropertyNoValueSnak( $id42 )
			] ) ],
			[ new SnakList( [
				new PropertyNoValueSnak( $id42 ),
				new PropertyNoValueSnak( $id9001 ),
			] ) ],
			[ new SnakList( [
				new PropertyNoValueSnak( $id42 ),
				new PropertyNoValueSnak( $id9001 ),
				new PropertyValueSnak( $id42, new StringValue( 'a' ) ),
			] ) ],
		];
	}

	/**
	 * @dataProvider invalidConstructorArgumentsProvider
	 * @expectedException InvalidArgumentException
	 */
	public function testGivenInvalidConstructorArguments_constructorThrowsException( $input ) {
		new SnakList( $input );
	}

	public function invalidConstructorArgumentsProvider() {
		$id1 = new PropertyId( 'P1' );

		return [
			[ null ],
			[ false ],
			[ 1 ],
			[ 0.1 ],
			[ 'string' ],
			[ $id1 ],
			[ new PropertyNoValueSnak( $id1 ) ],
			[ new PropertyValueSnak( $id1, new StringValue( 'a' ) ) ],
			[ [ null ] ],
			[ [ $id1 ] ],
			[ [ new SnakList() ] ],
		];
	}

	public function testGivenAssociativeArray_constructorPreservesArrayKeys() {
		$snakList = new SnakList( [ 'key' => new PropertyNoValueSnak( 1 ) ] );
		$this->assertSame( [ 'key' ], array_keys( iterator_to_array( $snakList ) ) );
	}

	/**
	 * @dataProvider instanceProvider
	 * @param SnakList $array
	 */
	public function testHasSnak( SnakList $array ) {
		/**
		 * @var Snak $hashable
		 */
		foreach ( iterator_to_array( $array ) as $hashable ) {
			$this->assertTrue( $array->hasSnak( $hashable ) );
			$this->assertTrue( $array->hasSnakHash( $hashable->getHash() ) );
			$array->removeSnak( $hashable );
			$this->assertFalse( $array->hasSnak( $hashable ) );
			$this->assertFalse( $array->hasSnakHash( $hashable->getHash() ) );
		}

		$this->assertTrue( true );
	}

	/**
	 * @dataProvider instanceProvider
	 * @param SnakList $array
	 */
	public function testRemoveSnak( SnakList $array ) {
		$elementCount = $array->count();

		/**
		 * @var Snak $element
		 */
		foreach ( iterator_to_array( $array ) as $element ) {
			$this->assertTrue( $array->hasSnak( $element ) );

			if ( $elementCount % 2 === 0 ) {
				$array->removeSnak( $element );
			} else {
				$array->removeSnakHash( $element->getHash() );
			}

			$this->assertFalse( $array->hasSnak( $element ) );
			$this->assertEquals( --$elementCount, $array->count() );
		}

		$element = new PropertyNoValueSnak( new PropertyId( 'P42' ) );

		$array->removeSnak( $element );
		$array->removeSnakHash( $element->getHash() );

		$this->assertTrue( true );
	}

	/**
	 * @dataProvider instanceProvider
	 * @param SnakList $array
	 */
	public function testAddSnak( SnakList $array ) {
		$elementCount = $array->count();

		$elements = $this->elementInstancesProvider();
		$element = array_shift( $elements );
		$element = $element[0][0];

		if ( !$array->hasSnak( $element ) ) {
			++$elementCount;
		}

		$this->assertEquals( !$array->hasSnak( $element ), $array->addSnak( $element ) );

		$this->assertEquals( $elementCount, $array->count() );

		$this->assertFalse( $array->addSnak( $element ) );

		$this->assertEquals( $elementCount, $array->count() );
	}

	public function orderByPropertyProvider() {
		$id1 = new PropertyId( 'P1' );
		$id2 = new PropertyId( 'P2' );
		$id3 = new PropertyId( 'P3' );
		$id4 = new PropertyId( 'P4' );

		/**
		 * List of test data containing snaks to initialize SnakList objects. The first list of
		 * snaks represents the snak list to be used as test input while the second represents the
		 * expected result.
		 * @var array
		 */
		$rawArguments = [
			'Default order' => [
				[],
				[],
			],
			'Unknown id in order' => [
				[],
				[],
				[ 'P1' ]
			],
			[
				[ new PropertyNoValueSnak( $id1 ) ],
				[ new PropertyNoValueSnak( $id1 ) ],
			],
			[
				[
					new PropertyNoValueSnak( $id2 ),
					new PropertyNoValueSnak( $id1 ),
				],
				[
					new PropertyNoValueSnak( $id2 ),
					new PropertyNoValueSnak( $id1 ),
				],
			],
			[
				[
					new PropertyNoValueSnak( $id1 ),
					new PropertyNoValueSnak( $id2 ),
					new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
				],
				[
					new PropertyNoValueSnak( $id1 ),
					new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
					new PropertyNoValueSnak( $id2 ),
				],
			],
			'With additional order' => [
				[
					new PropertyNoValueSnak( $id3 ),
					new PropertyNoValueSnak( $id2 ),
					new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
				],
				[
					new PropertyNoValueSnak( $id2 ),
					new PropertyNoValueSnak( $id3 ),
					new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
				],
				[ 'P2' ]
			],
			[
				[
					new PropertyNoValueSnak( $id3 ),
					new PropertyNoValueSnak( $id2 ),
					new PropertyNoValueSnak( $id2 ),
					new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
					new PropertyNoValueSnak( $id1 ),
				],
				[
					new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
					new PropertyNoValueSnak( $id1 ),
					new PropertyNoValueSnak( $id3 ),
					new PropertyNoValueSnak( $id2 ),
					new PropertyNoValueSnak( $id2 ),
				],
				[ 'P1' ]
			],
			'Multiple IDs in order' => [
				[
					new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
					new PropertyValueSnak( $id2, new StringValue( 'b' ) ),
					new PropertyValueSnak( $id1, new StringValue( 'c' ) ),
					new PropertyValueSnak( $id3, new StringValue( 'd' ) ),
					new PropertyValueSnak( $id4, new StringValue( 'e' ) ),
					new PropertyValueSnak( $id2, new StringValue( 'f' ) ),
					new PropertyValueSnak( $id4, new StringValue( 'g' ) ),
				],
				[
					new PropertyValueSnak( $id2, new StringValue( 'b' ) ),
					new PropertyValueSnak( $id2, new StringValue( 'f' ) ),
					new PropertyValueSnak( $id3, new StringValue( 'd' ) ),
					new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
					new PropertyValueSnak( $id1, new StringValue( 'c' ) ),
					new PropertyValueSnak( $id4, new StringValue( 'e' ) ),
					new PropertyValueSnak( $id4, new StringValue( 'g' ) ),
				],
				[ 'P2', 'P3', 'P1' ]
			],
		];

		$arguments = [];

		foreach ( $rawArguments as $key => $rawArgument ) {
			$arguments[$key] = [
				new SnakList( $rawArgument[0] ),
				new SnakList( $rawArgument[1] ),
				array_key_exists( 2, $rawArgument ) ? $rawArgument[2] : []
			];
		}

		return $arguments;
	}

	/**
	 * @dataProvider orderByPropertyProvider
	 */
	public function testOrderByProperty( SnakList $snakList, SnakList $expected, array $order = [] ) {
		$initialSnakList = new SnakList( array_values( iterator_to_array( $snakList ) ) );

		$snakList->orderByProperty( $order );

		// Instantiate new SnakList resetting the snaks' array keys. This allows comparing the
		// reordered SnakList to the expected SnakList.
		$orderedSnakList = new SnakList( array_values( iterator_to_array( $snakList ) ) );

		$this->assertEquals( $expected, $orderedSnakList );

		if ( $orderedSnakList->equals( $initialSnakList ) ) {
			$this->assertSame( $initialSnakList->getHash(), $snakList->getHash() );
		} else {
			$this->assertNotSame( $initialSnakList->getHash(), $snakList->getHash() );
		}

		/** @var Snak $snak */
		foreach ( $snakList as $snak ) {
			$hash = $snak->getHash();
			$this->assertSame(
				$hash,
				$snakList->getSnak( $hash )->getHash(),
				'Reordering must not mess up the lists internal state'
			);
		}
	}

	public function testComparableInterface() {
		$this->assertInstanceOf( Comparable::class, new SnakList() );
	}

	/**
	 * @dataProvider equalsProvider
	 */
	public function testEquals( SnakList $list1, SnakList $list2, $expected ) {
		$this->assertSame( $expected, $list1->equals( $list2 ) );
	}

	public function equalsProvider() {
		$empty = new SnakList();
		$oneSnak = new SnakList( [ new PropertyNoValueSnak( 1 ) ] );

		return [
			'empty object is equal to itself' => [
				$empty,
				$empty,
				true
			],
			'non-empty object is equal to itself' => [
				$oneSnak,
				$oneSnak,
				true
			],
			'different empty objects are equal' => [
				$empty,
				new SnakList(),
				true
			],
			'different objects with same content are equal' => [
				$oneSnak,
				new SnakList( [ new PropertyNoValueSnak( 1 ) ] ),
				true
			],
			'different objects with different content are not equal' => [
				$oneSnak,
				new SnakList( [ new PropertyNoValueSnak( 2 ) ] ),
				false
			],
		];
	}

	public function testHashableInterface() {
		$this->assertInstanceOf( Hashable::class, new SnakList() );
	}

	public function testGetHash() {
		$snakList = new SnakList( [ new PropertyNoValueSnak( 1 ) ] );
		$hash = $snakList->getHash();

		$this->assertInternalType( 'string', $hash, 'must be a string' );
		$this->assertNotSame( '', $hash, 'must not be empty' );
		$this->assertSame( $hash, $snakList->getHash(), 'second call must return the same hash' );

		$otherList = new SnakList( [ new PropertyNoValueSnak( 2 ) ] );
		$this->assertNotSame( $hash, $otherList->getHash() );
	}

	/**
	 * This integration test (relies on SnakObject::getHash) is supposed to break whenever the hash
	 * calculation changes.
	 */
	public function testHashStability() {
		$snakList = new SnakList();
		$this->assertSame( 'da39a3ee5e6b4b0d3255bfef95601890afd80709', $snakList->getHash() );

		$snakList = new SnakList( [ new PropertyNoValueSnak( 1 ) ] );
		$this->assertSame( '4327ac5109aaf437ccce05580c563a5857d96c82', $snakList->getHash() );
	}

	/**
	 * @dataProvider provideEqualSnakLists
	 */
	public function testGivenEqualSnakLists_getHashIsTheSame( SnakList $self, SnakList $other ) {
		$this->assertSame( $self->getHash(), $other->getHash() );
	}

	public function provideEqualSnakLists() {
		$empty = new SnakList();
		$oneSnak = new SnakList( [ new PropertyNoValueSnak( 1 ) ] );

		return [
			'same empty object' => [ $empty, $empty ],
			'same non-empty object' => [ $oneSnak, $oneSnak ],
			'equal empty objects' => [ $empty, new SnakList() ],
			'equal non-empty objects' => [ $oneSnak, new SnakList( [ new PropertyNoValueSnak( 1 ) ] ) ],
		];
	}

}


1			<?php
2
3			namespace Wikibase\DataModel\Tests\Snak;
4
5			use Comparable;
6			use DataValues\StringValue;
7			use Hashable;
8			use InvalidArgumentException;
9			use PHPUnit_Framework_TestCase;
10			use Wikibase\DataModel\Entity\PropertyId;
11			use Wikibase\DataModel\Snak\PropertyNoValueSnak;
12			use Wikibase\DataModel\Snak\PropertyValueSnak;
13			use Wikibase\DataModel\Snak\Snak;
14			use Wikibase\DataModel\Snak\SnakList;
15
16			/**
17			* @covers Wikibase\DataModel\Snak\SnakList
18			*
19			* @license GPL-2.0+
20			* @author Jeroen De Dauw < [email protected] >
21			* @author Addshore
22			* @author Thiemo Mättig
23			*/
24			class SnakListTest extends PHPUnit_Framework_TestCase {
25
26			public function elementInstancesProvider() {
27			$id42 = new PropertyId( 'P42' );
28
29			$argLists = [];
30
31			$argLists[] = [ [ new PropertyNoValueSnak( $id42 ) ] ];
32			$argLists[] = [ [ new PropertyNoValueSnak( new PropertyId( 'P9001' ) ) ] ];
33			$argLists[] = [ [ new PropertyValueSnak( $id42, new StringValue( 'a' ) ) ] ];
34
35			return $argLists;
36			}
37
38			public function instanceProvider() {
39			$id42 = new PropertyId( 'P42' );
40			$id9001 = new PropertyId( 'P9001' );
41
42			return [
43			[ new SnakList() ],
44			[ new SnakList( [
45			new PropertyNoValueSnak( $id42 )
46			] ) ],
47			[ new SnakList( [
48			new PropertyNoValueSnak( $id42 ),
49			new PropertyNoValueSnak( $id9001 ),
50			] ) ],
51			[ new SnakList( [
52			new PropertyNoValueSnak( $id42 ),
53			new PropertyNoValueSnak( $id9001 ),
54			new PropertyValueSnak( $id42, new StringValue( 'a' ) ),
55			] ) ],
56			];
57			}
58
59			/**
60			* @dataProvider invalidConstructorArgumentsProvider
61			* @expectedException InvalidArgumentException
62			*/
63			public function testGivenInvalidConstructorArguments_constructorThrowsException( $input ) {
64			new SnakList( $input );
65			}
66
67			public function invalidConstructorArgumentsProvider() {
68			$id1 = new PropertyId( 'P1' );
69
70			return [
71			[ null ],
72			[ false ],
73			[ 1 ],
74			[ 0.1 ],
75			[ 'string' ],
76			[ $id1 ],
77			[ new PropertyNoValueSnak( $id1 ) ],
78			[ new PropertyValueSnak( $id1, new StringValue( 'a' ) ) ],
79			[ [ null ] ],
80			[ [ $id1 ] ],
81			[ [ new SnakList() ] ],
82			];
83			}
84
85			public function testGivenAssociativeArray_constructorPreservesArrayKeys() {
86			$snakList = new SnakList( [ 'key' => new PropertyNoValueSnak( 1 ) ] );
87			$this->assertSame( [ 'key' ], array_keys( iterator_to_array( $snakList ) ) );
88			}
89
90			/**
91			* @dataProvider instanceProvider
92			* @param SnakList $array
93			*/
94			public function testHasSnak( SnakList $array ) {
95			/**
96			* @var Snak $hashable
97			*/
98			foreach ( iterator_to_array( $array ) as $hashable ) {
99			$this->assertTrue( $array->hasSnak( $hashable ) );
100			$this->assertTrue( $array->hasSnakHash( $hashable->getHash() ) );
101			$array->removeSnak( $hashable );
102			$this->assertFalse( $array->hasSnak( $hashable ) );
103			$this->assertFalse( $array->hasSnakHash( $hashable->getHash() ) );
104			}
105
106			$this->assertTrue( true );
107			}
108
109			/**
110			* @dataProvider instanceProvider
111			* @param SnakList $array
112			*/
113			public function testRemoveSnak( SnakList $array ) {
114			$elementCount = $array->count();
115
116			/**
117			* @var Snak $element
118			*/
119			foreach ( iterator_to_array( $array ) as $element ) {
120			$this->assertTrue( $array->hasSnak( $element ) );
121
122			if ( $elementCount % 2 === 0 ) {
123			$array->removeSnak( $element );
124			} else {
125			$array->removeSnakHash( $element->getHash() );
126			}
127
128			$this->assertFalse( $array->hasSnak( $element ) );
129			$this->assertEquals( --$elementCount, $array->count() );
130			}
131
132			$element = new PropertyNoValueSnak( new PropertyId( 'P42' ) );
133
134			$array->removeSnak( $element );
135			$array->removeSnakHash( $element->getHash() );
136
137			$this->assertTrue( true );
138			}
139
140			/**
141			* @dataProvider instanceProvider
142			* @param SnakList $array
143			*/
144			public function testAddSnak( SnakList $array ) {
145			$elementCount = $array->count();
146
147			$elements = $this->elementInstancesProvider();
148			$element = array_shift( $elements );
149			$element = $element[0][0];
150
151			if ( !$array->hasSnak( $element ) ) {
152			++$elementCount;
153			}
154
155			$this->assertEquals( !$array->hasSnak( $element ), $array->addSnak( $element ) );
156
157			$this->assertEquals( $elementCount, $array->count() );
158
159			$this->assertFalse( $array->addSnak( $element ) );
160
161			$this->assertEquals( $elementCount, $array->count() );
162			}
163
164			public function orderByPropertyProvider() {
165			$id1 = new PropertyId( 'P1' );
166			$id2 = new PropertyId( 'P2' );
167			$id3 = new PropertyId( 'P3' );
168			$id4 = new PropertyId( 'P4' );
169
170			/**
171			* List of test data containing snaks to initialize SnakList objects. The first list of
172			* snaks represents the snak list to be used as test input while the second represents the
173			* expected result.
174			* @var array
175			*/
176			$rawArguments = [
177			'Default order' => [
178			[],
179			[],
180			],
181			'Unknown id in order' => [
182			[],
183			[],
184			[ 'P1' ]
185			],
186			[
187			[ new PropertyNoValueSnak( $id1 ) ],
188			[ new PropertyNoValueSnak( $id1 ) ],
189			],
190			[
191			[
192			new PropertyNoValueSnak( $id2 ),
193			new PropertyNoValueSnak( $id1 ),
194			],
195			[
196			new PropertyNoValueSnak( $id2 ),
197			new PropertyNoValueSnak( $id1 ),
198			],
199			],
200			[
201			[
202			new PropertyNoValueSnak( $id1 ),
203			new PropertyNoValueSnak( $id2 ),
204			new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
205			],
206			[
207			new PropertyNoValueSnak( $id1 ),
208			new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
209			new PropertyNoValueSnak( $id2 ),
210			],
211			],
212			'With additional order' => [
213			[
214			new PropertyNoValueSnak( $id3 ),
215			new PropertyNoValueSnak( $id2 ),
216			new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
217			],
218			[
219			new PropertyNoValueSnak( $id2 ),
220			new PropertyNoValueSnak( $id3 ),
221			new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
222			],
223			[ 'P2' ]
224			],
225			[
226			[
227			new PropertyNoValueSnak( $id3 ),
228			new PropertyNoValueSnak( $id2 ),
229			new PropertyNoValueSnak( $id2 ),
230			new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
231			new PropertyNoValueSnak( $id1 ),
232			],
233			[
234			new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
235			new PropertyNoValueSnak( $id1 ),
236			new PropertyNoValueSnak( $id3 ),
237			new PropertyNoValueSnak( $id2 ),
238			new PropertyNoValueSnak( $id2 ),
239			],
240			[ 'P1' ]
241			],
242			'Multiple IDs in order' => [
243			[
244			new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
245			new PropertyValueSnak( $id2, new StringValue( 'b' ) ),
246			new PropertyValueSnak( $id1, new StringValue( 'c' ) ),
247			new PropertyValueSnak( $id3, new StringValue( 'd' ) ),
248			new PropertyValueSnak( $id4, new StringValue( 'e' ) ),
249			new PropertyValueSnak( $id2, new StringValue( 'f' ) ),
250			new PropertyValueSnak( $id4, new StringValue( 'g' ) ),
251			],
252			[
253			new PropertyValueSnak( $id2, new StringValue( 'b' ) ),
254			new PropertyValueSnak( $id2, new StringValue( 'f' ) ),
255			new PropertyValueSnak( $id3, new StringValue( 'd' ) ),
256			new PropertyValueSnak( $id1, new StringValue( 'a' ) ),
257			new PropertyValueSnak( $id1, new StringValue( 'c' ) ),
258			new PropertyValueSnak( $id4, new StringValue( 'e' ) ),
259			new PropertyValueSnak( $id4, new StringValue( 'g' ) ),
260			],
261			[ 'P2', 'P3', 'P1' ]
262			],
263			];
264
265			$arguments = [];
266
267			foreach ( $rawArguments as $key => $rawArgument ) {
268			$arguments[$key] = [
269			new SnakList( $rawArgument[0] ),
270			new SnakList( $rawArgument[1] ),
271			array_key_exists( 2, $rawArgument ) ? $rawArgument[2] : []
272			];
273			}
274
275			return $arguments;
276			}
277
278			/**
279			* @dataProvider orderByPropertyProvider
280			*/
281			public function testOrderByProperty( SnakList $snakList, SnakList $expected, array $order = [] ) {
282			$initialSnakList = new SnakList( array_values( iterator_to_array( $snakList ) ) );
283
284			$snakList->orderByProperty( $order );
285
286			// Instantiate new SnakList resetting the snaks' array keys. This allows comparing the
287			// reordered SnakList to the expected SnakList.
288			$orderedSnakList = new SnakList( array_values( iterator_to_array( $snakList ) ) );
289
290			$this->assertEquals( $expected, $orderedSnakList );
291
292			if ( $orderedSnakList->equals( $initialSnakList ) ) {
293			$this->assertSame( $initialSnakList->getHash(), $snakList->getHash() );
294			} else {
295			$this->assertNotSame( $initialSnakList->getHash(), $snakList->getHash() );
296			}
297
298			/** @var Snak $snak */
299			foreach ( $snakList as $snak ) {
300			$hash = $snak->getHash();
301			$this->assertSame(
302			$hash,
303			$snakList->getSnak( $hash )->getHash(),
304			'Reordering must not mess up the lists internal state'
305			);
306			}
307			}
308
309			public function testComparableInterface() {
310			$this->assertInstanceOf( Comparable::class, new SnakList() );
311			}
312
313			/**
314			* @dataProvider equalsProvider
315			*/
316			public function testEquals( SnakList $list1, SnakList $list2, $expected ) {
317			$this->assertSame( $expected, $list1->equals( $list2 ) );
318			}
319
320			public function equalsProvider() {
321			$empty = new SnakList();
322			$oneSnak = new SnakList( [ new PropertyNoValueSnak( 1 ) ] );
323
324			return [
325			'empty object is equal to itself' => [
326			$empty,
327			$empty,
328			true
329			],
330			'non-empty object is equal to itself' => [
331			$oneSnak,
332			$oneSnak,
333			true
334			],
335			'different empty objects are equal' => [
336			$empty,
337			new SnakList(),
338			true
339			],
340			'different objects with same content are equal' => [
341			$oneSnak,
342			new SnakList( [ new PropertyNoValueSnak( 1 ) ] ),
343			true
344			],
345			'different objects with different content are not equal' => [
346			$oneSnak,
347			new SnakList( [ new PropertyNoValueSnak( 2 ) ] ),
348			false
349			],
350			];
351			}
352
353			public function testHashableInterface() {
354			$this->assertInstanceOf( Hashable::class, new SnakList() );
355			}
356
357			public function testGetHash() {
358			$snakList = new SnakList( [ new PropertyNoValueSnak( 1 ) ] );
359			$hash = $snakList->getHash();
360
361			$this->assertInternalType( 'string', $hash, 'must be a string' );
362			$this->assertNotSame( '', $hash, 'must not be empty' );
363			$this->assertSame( $hash, $snakList->getHash(), 'second call must return the same hash' );
364
365			$otherList = new SnakList( [ new PropertyNoValueSnak( 2 ) ] );
366			$this->assertNotSame( $hash, $otherList->getHash() );
367			}
368
369			/**
370			* This integration test (relies on SnakObject::getHash) is supposed to break whenever the hash
371			* calculation changes.
372			*/
373			public function testHashStability() {
374			$snakList = new SnakList();
375			$this->assertSame( 'da39a3ee5e6b4b0d3255bfef95601890afd80709', $snakList->getHash() );
376
377			$snakList = new SnakList( [ new PropertyNoValueSnak( 1 ) ] );
378			$this->assertSame( '4327ac5109aaf437ccce05580c563a5857d96c82', $snakList->getHash() );
379			}
380
381			/**
382			* @dataProvider provideEqualSnakLists
383			*/
384			public function testGivenEqualSnakLists_getHashIsTheSame( SnakList $self, SnakList $other ) {
385			$this->assertSame( $self->getHash(), $other->getHash() );
386			}
387
388			public function provideEqualSnakLists() {
389			$empty = new SnakList();
390			$oneSnak = new SnakList( [ new PropertyNoValueSnak( 1 ) ] );
391
392			return [
393			'same empty object' => [ $empty, $empty ],
394			'same non-empty object' => [ $oneSnak, $oneSnak ],
395			'equal empty objects' => [ $empty, new SnakList() ],
396			'equal non-empty objects' => [ $oneSnak, new SnakList( [ new PropertyNoValueSnak( 1 ) ] ) ],
397			];
398			}
399
400			}
401

wmde / WikibaseDataModel

Push — moveSnaksToBottom-optimize2 ( 91f09b )

SnakListTest::provideEqualSnakLists() A

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