comparison vendor/sebastian/comparator/src/ObjectComparator.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
parents
children 1fec387a4317
comparison
equal deleted inserted replaced
-1:000000000000 0:4c8ae668cc8c
1 <?php
2 /*
3 * This file is part of the Comparator package.
4 *
5 * (c) Sebastian Bergmann <sebastian@phpunit.de>
6 *
7 * For the full copyright and license information, please view the LICENSE
8 * file that was distributed with this source code.
9 */
10
11 namespace SebastianBergmann\Comparator;
12
13 /**
14 * Compares objects for equality.
15 */
16 class ObjectComparator extends ArrayComparator
17 {
18 /**
19 * Returns whether the comparator can compare two values.
20 *
21 * @param mixed $expected The first value to compare
22 * @param mixed $actual The second value to compare
23 * @return bool
24 */
25 public function accepts($expected, $actual)
26 {
27 return is_object($expected) && is_object($actual);
28 }
29
30 /**
31 * Asserts that two values are equal.
32 *
33 * @param mixed $expected First value to compare
34 * @param mixed $actual Second value to compare
35 * @param float $delta Allowed numerical distance between two values to consider them equal
36 * @param bool $canonicalize Arrays are sorted before comparison when set to true
37 * @param bool $ignoreCase Case is ignored when set to true
38 * @param array $processed List of already processed elements (used to prevent infinite recursion)
39 *
40 * @throws ComparisonFailure
41 */
42 public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false, array &$processed = array())
43 {
44 if (get_class($actual) !== get_class($expected)) {
45 throw new ComparisonFailure(
46 $expected,
47 $actual,
48 $this->exporter->export($expected),
49 $this->exporter->export($actual),
50 false,
51 sprintf(
52 '%s is not instance of expected class "%s".',
53 $this->exporter->export($actual),
54 get_class($expected)
55 )
56 );
57 }
58
59 // don't compare twice to allow for cyclic dependencies
60 if (in_array(array($actual, $expected), $processed, true) ||
61 in_array(array($expected, $actual), $processed, true)) {
62 return;
63 }
64
65 $processed[] = array($actual, $expected);
66
67 // don't compare objects if they are identical
68 // this helps to avoid the error "maximum function nesting level reached"
69 // CAUTION: this conditional clause is not tested
70 if ($actual !== $expected) {
71 try {
72 parent::assertEquals(
73 $this->toArray($expected),
74 $this->toArray($actual),
75 $delta,
76 $canonicalize,
77 $ignoreCase,
78 $processed
79 );
80 } catch (ComparisonFailure $e) {
81 throw new ComparisonFailure(
82 $expected,
83 $actual,
84 // replace "Array" with "MyClass object"
85 substr_replace($e->getExpectedAsString(), get_class($expected) . ' Object', 0, 5),
86 substr_replace($e->getActualAsString(), get_class($actual) . ' Object', 0, 5),
87 false,
88 'Failed asserting that two objects are equal.'
89 );
90 }
91 }
92 }
93
94 /**
95 * Converts an object to an array containing all of its private, protected
96 * and public properties.
97 *
98 * @param object $object
99 * @return array
100 */
101 protected function toArray($object)
102 {
103 return $this->exporter->toArray($object);
104 }
105 }