8548615786

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Merge branch '1.x' into 2.x

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91.49

/src/Polyfills/AssertObjectEquals.php

<?php

namespace Yoast\PHPUnitPolyfills\Polyfills;

use ReflectionClass;
use ReflectionException;
use ReflectionNamedType;
use ReflectionObject;
use ReflectionType;
use TypeError;
use Yoast\PHPUnitPolyfills\Exceptions\InvalidComparisonMethodException;

/**
 * Polyfill the Assert::assertObjectEquals() methods.
 *
 * Introduced in PHPUnit 9.4.0.
 *
 * The polyfill implementation closely matches the PHPUnit native implementation with the exception
 * of the return type check and the names of the thrown exceptions.
 *
 * @link https://github.com/sebastianbergmann/phpunit/issues/4467
 * @link https://github.com/sebastianbergmann/phpunit/issues/4707
 * @link https://github.com/sebastianbergmann/phpunit/commit/1dba8c3a4b2dd04a3ff1869f75daaeb6757a14ee
 * @link https://github.com/sebastianbergmann/phpunit/commit/6099c5eefccfda860c889f575d58b5fe6cc10c83
 */
trait AssertObjectEquals {

        /**
         * Asserts that two objects are considered equal based on a custom object comparison
         * using a comparator method in the target object.
         *
         * The custom comparator method is expected to have the following method
         * signature: `equals(self $other): bool` (or similar with a different method name).
         *
         * Basically, the assertion checks the following:
         * - A method with name $method must exist on the $actual object.
         * - The method must accept exactly one argument and this argument must be required.
         * - This parameter must have a classname-based declared type.
         * - The $expected object must be compatible with this declared type.
         * - The method must have a declared bool return type. (JRF: not verified in this implementation)
         * - `$actual->$method($expected)` returns boolean true.
         *
         * @param object $expected Expected value.
         * @param object $actual   The value to test.
         * @param string $method   The name of the comparator method within the object.
         * @param string $message  Optional failure message to display.
         *
         * @return void
         *
         * @throws TypeError                        When any of the passed arguments do not meet the required type.
         * @throws InvalidComparisonMethodException When the comparator method does not comply with the requirements.
         */
        final public static function assertObjectEquals( $expected, $actual, $method = 'equals', $message = '' ) {
                /*
                 * Parameter input validation.
                 * In PHPUnit this is done via PHP native type declarations. Emulating this for the polyfill.
                 */
                if ( \is_object( $expected ) === false ) {
                        throw new TypeError(
                                \sprintf(
                                        'Argument 1 passed to assertObjectEquals() must be an object, %s given',
                                        \gettype( $expected )
                                )
                        );
                }

                if ( \is_object( $actual ) === false ) {
                        throw new TypeError(
                                \sprintf(
                                        'Argument 2 passed to assertObjectEquals() must be an object, %s given',
                                        \gettype( $actual )
                                )
                        );
                }

                if ( \is_scalar( $method ) === false ) {
                        throw new TypeError(
                                \sprintf(
                                        'Argument 3 passed to assertObjectEquals() must be of the type string, %s given',
                                        \gettype( $method )
                                )
                        );
                }
                else {
                        $method = (string) $method;
                }

                /*
                 * Comparator method validation.
                 */
                $reflObject = new ReflectionObject( $actual );

                if ( $reflObject->hasMethod( $method ) === false ) {
                        throw new InvalidComparisonMethodException(
                                \sprintf(
                                        'Comparison method %s::%s() does not exist.',
                                        \get_class( $actual ),
                                        $method
                                )
                        );
                }

                $reflMethod = $reflObject->getMethod( $method );

                /*
                 * As the next step, PHPUnit natively would validate the return type,
                 * but as return type declarations is a PHP 7.0+ feature, the polyfill
                 * skips this check in favour of checking the type of the actual
                 * returned value.
                 *
                 * Also see the upstream discussion about this:
                 * {@link https://github.com/sebastianbergmann/phpunit/issues/4707}
                 */

                /*
                 * Comparator method parameter requirements validation.
                 */
                if ( $reflMethod->getNumberOfParameters() !== 1
                        || $reflMethod->getNumberOfRequiredParameters() !== 1
                ) {
                        throw new InvalidComparisonMethodException(
                                \sprintf(
                                        'Comparison method %s::%s() does not declare exactly one parameter.',
                                        \get_class( $actual ),
                                        $method
                                )
                        );
                }

                $noDeclaredTypeError = \sprintf(
                        'Parameter of comparison method %s::%s() does not have a declared type.',
                        \get_class( $actual ),
                        $method
                );

                $notAcceptableTypeError = \sprintf(
                        '%s is not an accepted argument type for comparison method %s::%s().',
                        \get_class( $expected ),
                        \get_class( $actual ),
                        $method
                );

                $reflParameter = $reflMethod->getParameters()[0];

                if ( \method_exists( $reflParameter, 'hasType' ) ) {
                        // PHP >= 7.0.
                        $hasType = $reflParameter->hasType();
                        if ( $hasType === false ) {
                                throw new InvalidComparisonMethodException( $noDeclaredTypeError );
                        }

                        $type = $reflParameter->getType();
                        if ( \class_exists( 'ReflectionNamedType' ) ) {
                                // PHP >= 7.1.
                                if ( ( $type instanceof ReflectionNamedType ) === false ) {
                                        throw new InvalidComparisonMethodException( $noDeclaredTypeError );
                                }

                                $typeName = $type->getName();
                        }
                        else {
                                /*
                                 * PHP 7.0.
                                 * Checking for `ReflectionType` will not throw an error on union types,
                                 * but then again union types are not supported on PHP 7.0.
                                 */
                                if ( ( $type instanceof ReflectionType ) === false ) {
                                        throw new InvalidComparisonMethodException( $noDeclaredTypeError );
                                }

                                $typeName = (string) $type;
                        }
                }
                else {
                        // PHP < 7.0.
                        try {
                                /*
                                 * Using `ReflectionParameter::getClass()` will trigger an autoload of the class,
                                 * but that's okay as for a valid class type that would be triggered on the
                                 * function call to the $method (at the end of this assertion) anyway.
                                 */
                                $hasType = $reflParameter->getClass();
                        } catch ( ReflectionException $e ) {
                                // Class with a type declaration for a non-existent class.
                                throw new InvalidComparisonMethodException( $notAcceptableTypeError );
                        }

                        if ( ( $hasType instanceof ReflectionClass ) === false ) {
                                // Array or callable type.
                                throw new InvalidComparisonMethodException( $noDeclaredTypeError );
                        }

                        $typeName = $hasType->name;
                }

                /*
                 * Validate that the $expected object complies with the declared parameter type.
                 */
                if ( $typeName === 'self' ) {
                        $typeName = \get_class( $actual );
                }

                if ( ( $expected instanceof $typeName ) === false ) {
                        throw new InvalidComparisonMethodException( $notAcceptableTypeError );
                }

                /*
                 * Execute the comparator method.
                 */
                $result = $actual->{$method}( $expected );

                if ( \is_bool( $result ) === false ) {
                        throw new InvalidComparisonMethodException(
                                \sprintf(
                                        'Comparison method %s::%s() does not return a boolean value.',
                                        \get_class( $actual ),
                                        $method
                                )
                        );
                }

                $msg = \sprintf(
                        'Failed asserting that two objects are equal. The objects are not equal according to %s::%s()',
                        \get_class( $actual ),
                        $method
                );

                if ( $message !== '' ) {
                        $msg = $message . \PHP_EOL . $msg;
                }

                static::assertTrue( $result, $msg );
        }
}

1	<?php
2
3	namespace Yoast\PHPUnitPolyfills\Polyfills;
4
5	use ReflectionClass;
6	use ReflectionException;
7	use ReflectionNamedType;
8	use ReflectionObject;
9	use ReflectionType;
10	use TypeError;
11	use Yoast\PHPUnitPolyfills\Exceptions\InvalidComparisonMethodException;
12
13	/**
14	* Polyfill the Assert::assertObjectEquals() methods.
15	*
16	* Introduced in PHPUnit 9.4.0.
17	*
18	* The polyfill implementation closely matches the PHPUnit native implementation with the exception
19	* of the return type check and the names of the thrown exceptions.
20	*
21	* @link https://github.com/sebastianbergmann/phpunit/issues/4467
22	* @link https://github.com/sebastianbergmann/phpunit/issues/4707
23	* @link https://github.com/sebastianbergmann/phpunit/commit/1dba8c3a4b2dd04a3ff1869f75daaeb6757a14ee
24	* @link https://github.com/sebastianbergmann/phpunit/commit/6099c5eefccfda860c889f575d58b5fe6cc10c83
25	*/
26	trait AssertObjectEquals {
27
28	/**
29	* Asserts that two objects are considered equal based on a custom object comparison
30	* using a comparator method in the target object.
31	*
32	* The custom comparator method is expected to have the following method
33	* signature: `equals(self $other): bool` (or similar with a different method name).
34	*
35	* Basically, the assertion checks the following:
36	* - A method with name $method must exist on the $actual object.
37	* - The method must accept exactly one argument and this argument must be required.
38	* - This parameter must have a classname-based declared type.
39	* - The $expected object must be compatible with this declared type.
40	* - The method must have a declared bool return type. (JRF: not verified in this implementation)
41	* - `$actual->$method($expected)` returns boolean true.
42	*
43	* @param object $expected Expected value.
44	* @param object $actual The value to test.
45	* @param string $method The name of the comparator method within the object.
46	* @param string $message Optional failure message to display.
47	*
48	* @return void
49	*
50	* @throws TypeError When any of the passed arguments do not meet the required type.
51	* @throws InvalidComparisonMethodException When the comparator method does not comply with the requirements.
52	*/
53	final public static function assertObjectEquals( $expected, $actual, $method = 'equals', $message = '' ) {	168✔
54	/*
55	* Parameter input validation.
56	* In PHPUnit this is done via PHP native type declarations. Emulating this for the polyfill.
57	*/
58	if ( \is_object( $expected ) === false ) {	168✔
59	throw new TypeError(	9✔
60	\sprintf(	9✔
61	'Argument 1 passed to assertObjectEquals() must be an object, %s given',	9✔
62	\gettype( $expected )	9✔
63	)	3✔
64	);	3✔
65	}
66
67	if ( \is_object( $actual ) === false ) {	159✔
68	throw new TypeError(	9✔
69	\sprintf(	9✔
70	'Argument 2 passed to assertObjectEquals() must be an object, %s given',	9✔
71	\gettype( $actual )	9✔
72	)	3✔
73	);	3✔
74	}
75
76	if ( \is_scalar( $method ) === false ) {	150✔
77	throw new TypeError(	9✔
78	\sprintf(	9✔
79	'Argument 3 passed to assertObjectEquals() must be of the type string, %s given',	9✔
80	\gettype( $method )	9✔
81	)	3✔
82	);	3✔
83	}
84	else {
85	$method = (string) $method;	141✔
86	}
87
88	/*
89	* Comparator method validation.
90	*/
91	$reflObject = new ReflectionObject( $actual );	141✔
92
93	if ( $reflObject->hasMethod( $method ) === false ) {	141✔
94	throw new InvalidComparisonMethodException(	9✔
95	\sprintf(	9✔
96	'Comparison method %s::%s() does not exist.',	9✔
97	\get_class( $actual ),	9✔
98	$method	9✔
99	)	3✔
100	);	3✔
101	}
102
103	$reflMethod = $reflObject->getMethod( $method );	132✔
104
105	/*
106	* As the next step, PHPUnit natively would validate the return type,
107	* but as return type declarations is a PHP 7.0+ feature, the polyfill
108	* skips this check in favour of checking the type of the actual
109	* returned value.
110	*
111	* Also see the upstream discussion about this:
112	* {@link https://github.com/sebastianbergmann/phpunit/issues/4707}
113	*/
114
115	/*
116	* Comparator method parameter requirements validation.
117	*/
118	if ( $reflMethod->getNumberOfParameters() !== 1	132✔
119	\|\| $reflMethod->getNumberOfRequiredParameters() !== 1	132✔
120	) {
121	throw new InvalidComparisonMethodException(	18✔
122	\sprintf(	18✔
123	'Comparison method %s::%s() does not declare exactly one parameter.',	18✔
124	\get_class( $actual ),	18✔
125	$method	18✔
126	)	6✔
127	);	6✔
128	}
129
130	$noDeclaredTypeError = \sprintf(	114✔
131	'Parameter of comparison method %s::%s() does not have a declared type.',	114✔
132	\get_class( $actual ),	114✔
133	$method	114✔
134	);	42✔
135
136	$notAcceptableTypeError = \sprintf(	114✔
137	'%s is not an accepted argument type for comparison method %s::%s().',	114✔
138	\get_class( $expected ),	114✔
139	\get_class( $actual ),	114✔
140	$method	114✔
141	);	42✔
142
143	$reflParameter = $reflMethod->getParameters()[0];	114✔
144
145	if ( \method_exists( $reflParameter, 'hasType' ) ) {	114✔
146	// PHP >= 7.0.
147	$hasType = $reflParameter->hasType();	114✔
148	if ( $hasType === false ) {	114✔
149	throw new InvalidComparisonMethodException( $noDeclaredTypeError );	9✔
150	}
151
152	$type = $reflParameter->getType();	105✔
153	if ( \class_exists( 'ReflectionNamedType' ) ) {	105✔
154	// PHP >= 7.1.
155	if ( ( $type instanceof ReflectionNamedType ) === false ) {	105✔
156	throw new InvalidComparisonMethodException( $noDeclaredTypeError );	3✔
157	}
158
159	$typeName = $type->getName();	102✔
160	}
161	else {
162	/*
163	* PHP 7.0.
164	* Checking for `ReflectionType` will not throw an error on union types,
165	* but then again union types are not supported on PHP 7.0.
166	*/
167	if ( ( $type instanceof ReflectionType ) === false ) {	×
168	throw new InvalidComparisonMethodException( $noDeclaredTypeError );	×
169	}
170
171	$typeName = (string) $type;	90✔
172	}
173	}
174	else {
175	// PHP < 7.0.
176	try {
177	/*
178	* Using `ReflectionParameter::getClass()` will trigger an autoload of the class,
179	* but that's okay as for a valid class type that would be triggered on the
180	* function call to the $method (at the end of this assertion) anyway.
181	*/
182	$hasType = $reflParameter->getClass();	×
183	} catch ( ReflectionException $e ) {	×
184	// Class with a type declaration for a non-existent class.
185	throw new InvalidComparisonMethodException( $notAcceptableTypeError );	×
186	}
187
188	if ( ( $hasType instanceof ReflectionClass ) === false ) {	×
189	// Array or callable type.
190	throw new InvalidComparisonMethodException( $noDeclaredTypeError );	×
191	}
192
193	$typeName = $hasType->name;	×
194	}
195
196	/*
197	* Validate that the $expected object complies with the declared parameter type.
198	*/
199	if ( $typeName === 'self' ) {	102✔
200	$typeName = \get_class( $actual );	66✔
201	}
202
203	if ( ( $expected instanceof $typeName ) === false ) {	102✔
204	throw new InvalidComparisonMethodException( $notAcceptableTypeError );	27✔
205	}
206
207	/*
208	* Execute the comparator method.
209	*/
210	$result = $actual->{$method}( $expected );	75✔
211
212	if ( \is_bool( $result ) === false ) {	75✔
213	throw new InvalidComparisonMethodException(	9✔
214	\sprintf(	9✔
215	'Comparison method %s::%s() does not return a boolean value.',	9✔
216	\get_class( $actual ),	9✔
217	$method	9✔
218	)	3✔
219	);	3✔
220	}
221
222	$msg = \sprintf(	66✔
223	'Failed asserting that two objects are equal. The objects are not equal according to %s::%s()',	66✔
224	\get_class( $actual ),	66✔
225	$method	66✔
226	);	24✔
227
228	if ( $message !== '' ) {	66✔
229	$msg = $message . \PHP_EOL . $msg;	9✔
230	}
231
232	static::assertTrue( $result, $msg );	66✔
233	}	30✔
234	}

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