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1 | <?php |
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2 | namespace SubjectivePHPTest\Psr\SimpleCache; |
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3 | |||
4 | use DateTime; |
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5 | use DateTimeZone; |
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6 | use MongoDB\BSON\UTCDateTime; |
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7 | use MongoDB\Client; |
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8 | use SubjectivePHP\Psr\SimpleCache\InvalidArgumentException; |
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9 | use SubjectivePHP\Psr\SimpleCache\MongoCache; |
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10 | use SubjectivePHP\Psr\SimpleCache\Serializer\SerializerInterface; |
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11 | |||
12 | /** |
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13 | * Defines unit tests for the MongoCache class. |
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14 | * |
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15 | * @coversDefaultClass \SubjectivePHP\Psr\SimpleCache\MongoCache |
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16 | * @covers ::__construct |
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17 | * @covers ::<private> |
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18 | * @covers ::<protected> |
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19 | */ |
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20 | final class MongoCacheTest extends \PHPUnit\Framework\TestCase |
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21 | { |
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22 | /** |
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23 | * Mongo Collection to use in tests. |
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24 | * |
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25 | * @var MongoDB\Collection |
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26 | */ |
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27 | private $collection; |
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28 | |||
29 | /** |
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30 | * Cache instance to us in tests. |
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31 | * |
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32 | * @var MongoCache |
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33 | */ |
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34 | private $cache; |
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35 | |||
36 | /** |
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37 | * set up each test. |
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38 | * |
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39 | * @return void |
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40 | */ |
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41 | public function setUp() |
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42 | { |
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43 | $this->collection = (new Client())->selectDatabase('testing')->selectCollection('cache'); |
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44 | $this->collection->drop(); |
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45 | $this->cache = new MongoCache($this->collection, $this->getSerializer()); |
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46 | } |
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47 | |||
48 | /** |
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49 | * Verify behavior of get() when the key is not found. |
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50 | * |
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51 | * @test |
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52 | * @covers ::get |
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53 | * |
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54 | * @return void |
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55 | */ |
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56 | public function getNotFound() |
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57 | { |
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58 | $default = new \StdClass(); |
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59 | $this->assertSame($default, $this->cache->get('key', $default)); |
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60 | } |
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61 | |||
62 | /** |
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63 | * Verify basic behavior of get(). |
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64 | * |
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65 | * @test |
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66 | * @covers ::get |
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67 | * |
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68 | * @return void |
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69 | */ |
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70 | public function get() |
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71 | { |
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72 | $json = json_encode(['status' => 'ok']); |
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73 | $headers = ['Content-Type' => ['application/json'], 'eTag' => ['"an etag"']]; |
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74 | $this->collection->insertOne( |
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75 | [ |
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76 | '_id' => 'key', |
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77 | 'timestamp' => 1491782286, |
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78 | 'timezone' => 'America/New_York', |
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79 | ] |
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80 | ); |
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81 | |||
82 | $dateTime = new DateTime('@1491782286', new DateTimeZone('America/New_York')); |
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83 | $this->assertEquals($dateTime, $this->cache->get('key')); |
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84 | } |
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85 | |||
86 | /** |
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87 | * Verify basic behavior of set(). |
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88 | * |
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89 | * @test |
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90 | * @covers ::set |
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91 | * |
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92 | * @return void |
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93 | */ |
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94 | public function set() |
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95 | { |
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96 | $ttl = \DateInterval::createFromDateString('1 day'); |
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97 | $dateTime = new DateTime('2017-04-09 20:54:04', new DateTimeZone('Pacific/Honolulu')); |
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98 | $this->cache->set('key', $dateTime, $ttl); |
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99 | $expires = new UTCDateTime((new \DateTime('now'))->add($ttl)->getTimestamp() * 1000); |
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100 | $this->assertDateTimeDocument('key', $expires, $dateTime); |
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101 | } |
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102 | |||
103 | /** |
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104 | * Verify behavior of set() with invalid $ttl value. |
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105 | * |
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106 | * @test |
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107 | * @covers ::set |
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108 | * @expectedException \Psr\SimpleCache\InvalidArgumentException |
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109 | * @expectedExceptionMessage $ttl must be null, an integer or \DateInterval instance |
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110 | * |
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111 | * @return void |
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112 | */ |
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113 | public function setInvalidTTL() |
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114 | { |
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115 | $this->cache->set('key', new DateTime(), new DateTime()); |
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116 | } |
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117 | |||
118 | /** |
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119 | * Verify behavior of set() with empty $key. |
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120 | * |
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121 | * @test |
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122 | * @covers ::set |
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123 | * @expectedException \Psr\SimpleCache\InvalidArgumentException |
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124 | * @expectedExceptionMessage $key must be a valid non empty string |
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125 | * |
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126 | * @return void |
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127 | */ |
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128 | public function setEmptyKey() |
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129 | { |
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130 | $this->cache->set('', new DateTime()); |
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131 | } |
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132 | |||
133 | /** |
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134 | * Verify behavior of set() with non string $key. |
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135 | * |
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136 | * @test |
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137 | * @covers ::set |
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138 | * @expectedException \Psr\SimpleCache\InvalidArgumentException |
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139 | * @expectedExceptionMessage $key must be a valid non empty string |
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140 | * |
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141 | * @return void |
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142 | */ |
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143 | public function setNonStringKey() |
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144 | { |
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145 | $this->cache->set(new \StdClass(), new DateTime()); |
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146 | } |
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147 | |||
148 | /** |
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149 | * Verify behavior of set() with string $key containing reserved characters. |
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150 | * |
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151 | * @test |
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152 | * @covers ::set |
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153 | * @expectedException \Psr\SimpleCache\InvalidArgumentException |
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154 | * @expectedExceptionMessage Key 'key with {, ) & @' contains unsupported characters |
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155 | * |
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156 | * @return void |
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157 | */ |
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158 | public function setKeyContainsReservedCharacters() |
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159 | { |
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160 | $this->cache->set('key with {, ) & @', new DateTime()); |
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161 | } |
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162 | |||
163 | /** |
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164 | * Verify basic behavior of delete(). |
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165 | * |
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166 | * @test |
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167 | * @covers ::delete |
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168 | * |
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169 | * @return void |
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170 | */ |
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171 | public function delete() |
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172 | { |
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173 | $this->collection->insertOne(['_id' => 'key1']); |
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174 | $this->collection->insertOne(['_id' => 'key2']); |
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175 | |||
176 | $this->assertTrue($this->cache->delete('key1')); |
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177 | |||
178 | $actual = $this->collection->find( |
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179 | [], |
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180 | ['typeMap' => ['root' => 'array', 'document' => 'array', 'array' => 'array']] |
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181 | )->toArray(); |
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182 | |||
183 | $this->assertEquals([['_id' => 'key2']], $actual); |
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184 | } |
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185 | |||
186 | /** |
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187 | * Verify behavior of delete() when mongo exception is thrown. |
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188 | * |
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189 | * @test |
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190 | * @covers ::delete |
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191 | * |
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192 | * @return void |
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193 | */ |
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194 | View Code Duplication | public function deleteMongoException() |
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195 | { |
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196 | $mockCollection = $this->getMockBuilder( |
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197 | '\\MongoDB\\Collection', |
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198 | ['deleteOne', 'createIndex'] |
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199 | )->disableOriginalConstructor()->getMock(); |
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200 | $mockCollection->method('deleteOne')->will($this->throwException(new \Exception())); |
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201 | $cache = new MongoCache($mockCollection, $this->getSerializer()); |
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202 | $this->assertFalse($cache->delete('key')); |
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203 | } |
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204 | |||
205 | /** |
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206 | * Verify basic behavior of clear(). |
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207 | * |
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208 | * @test |
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209 | * @covers ::clear |
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210 | * |
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211 | * @return void |
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212 | */ |
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213 | public function clear() |
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214 | { |
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215 | $this->collection->insertOne(['_id' => 'key1']); |
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216 | $this->collection->insertOne(['_id' => 'key2']); |
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217 | |||
218 | $this->assertTrue($this->cache->clear()); |
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219 | |||
220 | $actual = $this->collection->find( |
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221 | [], |
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222 | ['typeMap' => ['root' => 'array', 'document' => 'array', 'array' => 'array']] |
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223 | )->toArray(); |
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224 | |||
225 | $this->assertSame([], $actual); |
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226 | } |
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227 | |||
228 | /** |
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229 | * Verify behavior of clear() when mongo exception is thrown. |
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230 | * |
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231 | * @test |
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232 | * @covers ::clear |
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233 | * |
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234 | * @return void |
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235 | */ |
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236 | View Code Duplication | public function clearMongoException() |
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237 | { |
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238 | $mockCollection = $this->getMockBuilder( |
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239 | '\\MongoDB\\Collection', |
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240 | ['deleteMany', 'createIndex'] |
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241 | )->disableOriginalConstructor()->getMock(); |
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242 | $mockCollection->method('deleteMany')->will($this->throwException(new \Exception())); |
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243 | $cache = new MongoCache($mockCollection, $this->getSerializer()); |
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244 | $this->assertFalse($cache->clear()); |
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245 | } |
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246 | |||
247 | /** |
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248 | * Verify basic behavior of getMultiple |
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249 | * |
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250 | * @test |
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251 | * @covers ::getMultiple |
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252 | * |
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253 | * @return void |
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254 | */ |
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255 | public function getMultiple() |
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256 | { |
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257 | $json = json_encode(['status' => 'ok']); |
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258 | $headers = ['Content-Type' => ['application/json'], 'eTag' => ['"an etag"']]; |
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259 | $this->collection->insertOne( |
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260 | [ |
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261 | '_id' => 'key1', |
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262 | 'timestamp' => 1491782286, |
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263 | 'timezone' => 'America/New_York', |
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264 | 'expires' => new UTCDateTime(strtotime('+1 day') * 1000), |
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265 | ] |
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266 | ); |
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267 | $this->collection->insertOne( |
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268 | [ |
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269 | '_id' => 'key3', |
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270 | 'timestamp' => 1491807244, |
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271 | 'timezone' => 'Pacific/Honolulu', |
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272 | 'expires' => new UTCDateTime(strtotime('+1 day') * 1000), |
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273 | ] |
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274 | ); |
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275 | |||
276 | $default = new \StdClass(); |
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277 | |||
278 | $dates = $this->cache->getMultiple(['key1', 'key2', 'key3', 'key4'], $default); |
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279 | |||
280 | $this->assertCount(4, $dates); |
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281 | |||
282 | $this->assertSame('2017-04-09 23:58:06', $dates['key1']->format('Y-m-d H:i:s')); |
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283 | $this->assertSame($default, $dates['key2']); |
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284 | $this->assertSame('2017-04-10 06:54:04', $dates['key3']->format('Y-m-d H:i:s')); |
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285 | $this->assertSame($default, $dates['key4']); |
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286 | } |
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287 | |||
288 | /** |
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289 | * Verify basic behavior of setMultiple(). |
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290 | * |
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291 | * @test |
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292 | * @covers ::setMultiple |
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293 | * |
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294 | * @return void |
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295 | */ |
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296 | public function setMultple() |
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297 | { |
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298 | $dates = [ |
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299 | 'key1' => new DateTime(), |
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300 | 'key2' => new DateTime(), |
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301 | ]; |
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302 | |||
303 | $this->assertTrue($this->cache->setMultiple($dates, 86400)); |
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304 | $expires = new UTCDateTime((time() + 86400) * 1000); |
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305 | $this->assertDateTimeDocument('key1', $expires, $dates['key1']); |
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306 | $this->assertDateTimeDocument('key2', $expires, $dates['key2']); |
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307 | } |
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308 | |||
309 | /** |
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310 | * Verify behavior of setMultiple() when mongo throws an exception. |
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311 | * |
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312 | * @test |
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313 | * @covers ::setMultiple |
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314 | * |
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315 | * @return void |
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316 | */ |
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317 | public function setMultpleMongoException() |
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318 | { |
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319 | $mockCollection = $this->getMockBuilder( |
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320 | '\\MongoDB\\Collection', |
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321 | ['updateOne', 'createIndex'] |
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322 | )->disableOriginalConstructor()->getMock(); |
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323 | $mockCollection->method('updateOne')->will($this->throwException(new \Exception())); |
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324 | $cache = new MongoCache($mockCollection, $this->getSerializer()); |
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325 | $responses = ['key1' => new DateTime(), 'key2' => new DateTime()]; |
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326 | $this->assertFalse($cache->setMultiple($responses, 86400)); |
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327 | } |
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328 | |||
329 | /** |
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330 | * Verify basic behavior of deleteMultiple(). |
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331 | * |
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332 | * @test |
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333 | * @covers ::deleteMultiple |
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334 | * |
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335 | * @return void |
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336 | */ |
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337 | public function deleteMultiple() |
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338 | { |
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339 | $this->collection->insertOne(['_id' => 'key1']); |
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340 | $this->collection->insertOne(['_id' => 'key2']); |
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341 | $this->collection->insertOne(['_id' => 'key3']); |
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342 | |||
343 | $this->assertTrue($this->cache->deleteMultiple(['key1', 'key3'])); |
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344 | |||
345 | $actual = $this->collection->find( |
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346 | [], |
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347 | ['typeMap' => ['root' => 'array', 'document' => 'array', 'array' => 'array']] |
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348 | )->toArray(); |
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349 | |||
350 | $this->assertEquals([['_id' => 'key2']], $actual); |
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351 | } |
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352 | |||
353 | /** |
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354 | * Verify behavior of deleteMultiple() when mongo throws an exception. |
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355 | * |
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356 | * @test |
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357 | * @covers ::deleteMultiple |
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358 | * |
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359 | * @return void |
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360 | */ |
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361 | View Code Duplication | public function deleteMultipleMongoException() |
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362 | { |
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363 | $mockCollection = $this->getMockBuilder( |
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364 | '\\MongoDB\\Collection', |
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365 | ['deleteMany', 'createIndex'] |
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366 | )->disableOriginalConstructor()->getMock(); |
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367 | $mockCollection->method('deleteMany')->will($this->throwException(new \Exception())); |
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368 | $cache = new MongoCache($mockCollection, $this->getSerializer()); |
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369 | $this->assertFalse($cache->deleteMultiple(['key1', 'key3'])); |
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370 | } |
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371 | |||
372 | /** |
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373 | * Verify basic behavior of has(). |
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374 | * |
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375 | * @test |
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376 | * @covers ::has |
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377 | * |
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378 | * @return void |
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379 | */ |
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380 | public function has() |
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381 | { |
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382 | $this->collection->insertOne(['_id' => 'key1']); |
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383 | $this->assertTrue($this->cache->has('key1')); |
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384 | $this->assertFalse($this->cache->has('key2')); |
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385 | } |
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386 | |||
387 | /** |
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388 | * Helper method to assert the contents of a mongo document. |
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389 | * |
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390 | * @param string $key The _id value to assert. |
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391 | * @param UTCDateTime $expires The expected expires value. |
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392 | * @param DateTime $expected The expected DateTime value. |
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393 | * |
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394 | * @return void |
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395 | */ |
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396 | private function assertDateTimeDocument(string $key, UTCDateTime $expires, DateTime $expected) |
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397 | { |
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398 | $actual = $this->collection->findOne( |
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399 | ['_id' => $key], |
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400 | ['typeMap' => ['root' => 'array', 'document' => 'array', 'array' => 'array']] |
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401 | ); |
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402 | |||
403 | $this->assertSame($expires->toDateTime()->getTimestamp(), $actual['expires']->toDateTime()->getTimestamp()); |
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404 | |||
405 | $this->assertSame( |
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406 | [ |
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407 | '_id' => $key, |
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408 | 'expires' => $actual['expires'], |
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409 | 'timestamp' => $expected->getTimestamp(), |
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410 | 'timezone' => $expected->getTimeZone()->getName(), |
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411 | ], |
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412 | $actual |
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413 | ); |
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414 | } |
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415 | |||
416 | /** |
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417 | * Helper method to get a SerializerInterface instance. |
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418 | * |
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419 | * @return SerializerInterface |
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420 | */ |
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421 | private function getSerializer() : SerializerInterface |
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422 | { |
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423 | return new class implements SerializerInterface |
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424 | { |
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425 | /** |
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426 | * @see SerializerInterface::unserialize(). |
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427 | * |
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428 | * @param mixed $data The serialized data. |
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429 | * |
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430 | * @return DateTime |
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431 | */ |
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432 | public function unserialize($data) |
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433 | { |
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434 | return new DateTime("@{$data['timestamp']}", timezone_open($data['timezone'])); |
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435 | } |
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436 | |||
437 | /** |
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438 | * @see SerializerInterface::serialize(). |
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439 | * |
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440 | * @param mixed $value The data to serialize. |
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441 | * |
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442 | * @return array |
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443 | */ |
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444 | public function serialize($value) |
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445 | { |
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446 | return [ |
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447 | 'timestamp' => $value->getTimestamp(), |
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448 | 'timezone' => $value->getTimezone()->getName(), |
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449 | ]; |
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450 | } |
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451 | }; |
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452 | } |
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453 | } |
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454 |
Classes in PHP are usually named in CamelCase.
In camelCase names are written without any punctuation, the start of each new word being marked by a capital letter. The whole name starts with a capital letter as well.
Thus the name database provider becomes
DatabaseProvider
.