-
-
Notifications
You must be signed in to change notification settings - Fork 66
/
DOMNodeComparator.php
98 lines (80 loc) · 2.61 KB
/
DOMNodeComparator.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
<?php declare(strict_types=1);
/*
* This file is part of sebastian/comparator.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Comparator;
use function assert;
use function mb_strtolower;
use function sprintf;
use DOMDocument;
use DOMNode;
use ValueError;
final class DOMNodeComparator extends ObjectComparator
{
public function accepts(mixed $expected, mixed $actual): bool
{
return $expected instanceof DOMNode && $actual instanceof DOMNode;
}
/**
* @param array<mixed> $processed
*
* @throws ComparisonFailure
*/
public function assertEquals(mixed $expected, mixed $actual, float $delta = 0.0, bool $canonicalize = false, bool $ignoreCase = false, array &$processed = []): void
{
assert($expected instanceof DOMNode);
assert($actual instanceof DOMNode);
$expectedAsString = $this->nodeToText($expected, true, $ignoreCase);
$actualAsString = $this->nodeToText($actual, true, $ignoreCase);
if ($expectedAsString !== $actualAsString) {
$type = $expected instanceof DOMDocument ? 'documents' : 'nodes';
throw new ComparisonFailure(
$expected,
$actual,
$expectedAsString,
$actualAsString,
sprintf("Failed asserting that two DOM %s are equal.\n", $type),
);
}
}
/**
* Returns the normalized, whitespace-cleaned, and indented textual
* representation of a DOMNode.
*/
private function nodeToText(DOMNode $node, bool $canonicalize, bool $ignoreCase): string
{
if ($canonicalize) {
$document = new DOMDocument;
try {
$c14n = $node->C14N();
assert(!empty($c14n));
@$document->loadXML($c14n);
} catch (ValueError) {
}
$node = $document;
}
if ($node instanceof DOMDocument) {
$document = $node;
} else {
$document = $node->ownerDocument;
}
assert($document instanceof DOMDocument);
$document->formatOutput = true;
$document->normalizeDocument();
if ($node instanceof DOMDocument) {
$text = $node->saveXML();
} else {
$text = $document->saveXML($node);
}
assert($text !== false);
if ($ignoreCase) {
return mb_strtolower($text, 'UTF-8');
}
return $text;
}
}