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1 <?php
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2
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3 /**
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4 * @file
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5 * Contains \Drupal\Tests\Component\Utility\VariableTest.
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6 */
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7
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8 namespace Drupal\Tests\Component\Utility;
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9
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10 use Drupal\Component\Utility\Variable;
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11 use PHPUnit\Framework\TestCase;
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12
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13 /**
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14 * Test variable export functionality in Variable component.
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15 *
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16 * @group Variable
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17 * @group Utility
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18 *
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19 * @coversDefaultClass \Drupal\Component\Utility\Variable
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20 */
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21 class VariableTest extends TestCase {
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22
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23 /**
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24 * Data provider for testExport().
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25 *
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26 * @return array
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27 * An array containing:
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28 * - The expected export string.
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29 * - The variable to export.
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30 */
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31 public function providerTestExport() {
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32 return [
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33 // Array.
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34 [
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35 'array()',
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36 [],
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37 ],
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38 [
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39 // non-associative.
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40 "array(\n 1,\n 2,\n 3,\n 4,\n)",
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41 [1, 2, 3, 4],
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42 ],
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43 [
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44 // associative.
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45 "array(\n 'a' => 1,\n)",
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46 ['a' => 1],
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47 ],
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48 // Bool.
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49 [
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50 'TRUE',
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51 TRUE,
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52 ],
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53 [
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54 'FALSE',
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55 FALSE,
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56 ],
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57 // Strings.
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58 [
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59 "'string'",
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60 'string',
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61 ],
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62 [
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63 '"\n\r\t"',
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64 "\n\r\t",
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65 ],
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66 [
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67 // 2 backslashes. \\
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68 "'\\'",
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69 '\\',
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70 ],
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71 [
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72 // Double-quote "
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73 "'\"'",
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74 "\"",
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75 ],
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76 [
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77 // Single-quote '
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78 '"\'"',
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79 "'",
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80 ],
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81 [
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82 // Quotes with $ symbols.
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83 '"\$settings[\'foo\']"',
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84 '$settings[\'foo\']',
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85 ],
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86 // Object.
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87 [
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88 // A stdClass object.
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89 '(object) array()',
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90 new \stdClass(),
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91 ],
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92 [
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93 // A not-stdClass object.
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94 "Drupal\Tests\Component\Utility\StubVariableTestClass::__set_state(array(\n))",
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95 new StubVariableTestClass(),
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96 ],
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97 ];
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98 }
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99
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100 /**
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101 * Tests exporting variables.
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102 *
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103 * @dataProvider providerTestExport
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104 * @covers ::export
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105 *
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106 * @param string $expected
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107 * The expected exported variable.
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108 * @param mixed $variable
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109 * The variable to be exported.
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110 */
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111 public function testExport($expected, $variable) {
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112 $this->assertEquals($expected, Variable::export($variable));
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113 }
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114
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115 }
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116
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117 /**
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118 * No-op test class for VariableTest::testExport().
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119 *
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120 * @see Drupal\Tests\Component\Utility\VariableTest::testExport()
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121 * @see Drupal\Tests\Component\Utility\VariableTest::providerTestExport()
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122 */
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123 class StubVariableTestClass {
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124
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125 }
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