Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like TrashServiceTest often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use TrashServiceTest, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 34 | class TrashServiceTest extends BaseTrashServiceTest |
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| 35 | { |
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| 36 | /** |
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| 37 | * Test for the trash() method. |
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| 38 | * |
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| 39 | * @see \eZ\Publish\API\Repository\TrashService::trash() |
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| 40 | * @depends eZ\Publish\API\Repository\Tests\LocationServiceTest::testLoadLocationByRemoteId |
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| 41 | */ |
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| 42 | public function testTrash() |
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| 43 | { |
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| 44 | /* BEGIN: Use Case */ |
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| 45 | $trashItem = $this->createTrashItem(); |
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| 46 | /* END: Use Case */ |
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| 47 | |||
| 48 | $this->assertInstanceOf( |
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| 49 | '\\eZ\\Publish\\API\\Repository\\Values\\Content\\TrashItem', |
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| 50 | $trashItem |
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| 51 | ); |
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| 52 | } |
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| 53 | |||
| 54 | /** |
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| 55 | * Test for the trash() method. |
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| 56 | * |
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| 57 | * @see \eZ\Publish\API\Repository\TrashService::trash() |
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| 58 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 59 | */ |
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| 60 | public function testTrashSetsExpectedTrashItemProperties() |
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| 61 | { |
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| 62 | $repository = $this->getRepository(); |
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| 63 | |||
| 64 | $mediaRemoteId = '75c715a51699d2d309a924eca6a95145'; |
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| 65 | |||
| 66 | // Load the location that will be trashed |
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| 67 | $location = $repository->getLocationService() |
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| 68 | ->loadLocationByRemoteId($mediaRemoteId); |
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| 69 | |||
| 70 | $expected = [ |
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| 71 | 'id' => $location->id, |
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| 72 | 'depth' => $location->depth, |
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| 73 | 'hidden' => $location->hidden, |
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| 74 | 'invisible' => $location->invisible, |
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| 75 | 'parentLocationId' => $location->parentLocationId, |
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| 76 | 'pathString' => $location->pathString, |
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| 77 | 'priority' => $location->priority, |
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| 78 | 'remoteId' => $location->remoteId, |
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| 79 | 'sortField' => $location->sortField, |
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| 80 | 'sortOrder' => $location->sortOrder, |
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| 81 | ]; |
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| 82 | |||
| 83 | $trashItem = $this->createTrashItem(); |
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| 84 | |||
| 85 | $this->assertPropertiesCorrect($expected, $trashItem); |
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|
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| 86 | } |
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| 87 | |||
| 88 | /** |
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| 89 | * Test for the trash() method. |
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| 90 | * |
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| 91 | * @see \eZ\Publish\API\Repository\TrashService::trash() |
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| 92 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 93 | */ |
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| 94 | View Code Duplication | public function testTrashRemovesLocationFromMainStorage() |
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| 95 | { |
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| 96 | $this->expectException(\eZ\Publish\API\Repository\Exceptions\NotFoundException::class); |
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| 97 | |||
| 98 | $repository = $this->getRepository(); |
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| 99 | |||
| 100 | $mediaRemoteId = '75c715a51699d2d309a924eca6a95145'; |
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| 101 | |||
| 102 | /* BEGIN: Use Case */ |
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| 103 | $this->createTrashItem(); |
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| 104 | |||
| 105 | // Load the location service |
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| 106 | $locationService = $repository->getLocationService(); |
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| 107 | |||
| 108 | // This call will fail with a "NotFoundException", because the media |
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| 109 | // location was marked as trashed in the main storage |
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| 110 | $locationService->loadLocationByRemoteId($mediaRemoteId); |
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| 111 | /* END: Use Case */ |
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| 112 | } |
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| 113 | |||
| 114 | /** |
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| 115 | * Test for the trash() method. |
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| 116 | * |
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| 117 | * @see \eZ\Publish\API\Repository\TrashService::trash() |
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| 118 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 119 | */ |
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| 120 | public function testTrashRemovesChildLocationsFromMainStorage() |
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| 121 | { |
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| 122 | $repository = $this->getRepository(); |
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| 123 | |||
| 124 | /* BEGIN: Use Case */ |
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| 125 | $remoteIds = $this->createRemoteIdList(); |
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| 126 | |||
| 127 | $this->createTrashItem(); |
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| 128 | |||
| 129 | // All invocations to loadLocationByRemoteId() to one of the above |
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| 130 | // collected remoteIds will return in an "NotFoundException" |
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| 131 | /* END: Use Case */ |
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| 132 | |||
| 133 | $locationService = $repository->getLocationService(); |
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| 134 | foreach ($remoteIds as $remoteId) { |
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| 135 | try { |
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| 136 | $locationService->loadLocationByRemoteId($remoteId); |
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| 137 | $this->fail("Location '{$remoteId}' should exist.'"); |
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| 138 | } catch (NotFoundException $e) { |
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| 139 | // echo $e->getFile(), ' +', $e->getLine(), PHP_EOL; |
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| 140 | } |
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| 141 | } |
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| 142 | |||
| 143 | $this->assertGreaterThan( |
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| 144 | 0, |
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| 145 | count($remoteIds), |
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| 146 | "There should be at least one 'Community' child location." |
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| 147 | ); |
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| 148 | } |
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| 149 | |||
| 150 | /** |
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| 151 | * Test for the trash() method. |
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| 152 | * |
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| 153 | * @see \eZ\Publish\API\Repository\TrashService::trash() |
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| 154 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 155 | */ |
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| 156 | public function testTrashDecrementsChildCountOnParentLocation() |
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| 157 | { |
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| 158 | $repository = $this->getRepository(); |
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| 159 | $locationService = $repository->getLocationService(); |
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| 160 | |||
| 161 | $baseLocationId = $this->generateId('location', 1); |
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| 162 | |||
| 163 | $location = $locationService->loadLocation($baseLocationId); |
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| 164 | |||
| 165 | $childCount = $locationService->getLocationChildCount($location); |
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| 166 | |||
| 167 | $this->createTrashItem(); |
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| 168 | |||
| 169 | $this->refreshSearch($repository); |
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| 170 | |||
| 171 | $this->assertEquals( |
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| 172 | $childCount - 1, |
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| 173 | $locationService->getLocationChildCount($location) |
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| 174 | ); |
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| 175 | } |
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| 176 | |||
| 177 | /** |
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| 178 | * Test sending a location to trash updates Content mainLocation. |
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| 179 | * |
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| 180 | * @covers \eZ\Publish\API\Repository\TrashService::trash |
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| 181 | */ |
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| 182 | public function testTrashUpdatesMainLocation() |
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| 183 | { |
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| 184 | $repository = $this->getRepository(); |
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| 185 | $contentService = $repository->getContentService(); |
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| 186 | $locationService = $repository->getLocationService(); |
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| 187 | $trashService = $repository->getTrashService(); |
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| 188 | |||
| 189 | $contentInfo = $contentService->loadContentInfo(42); |
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| 190 | |||
| 191 | // Create additional location that will become new main location |
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| 192 | $location = $locationService->createLocation( |
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| 193 | $contentInfo, |
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| 194 | new LocationCreateStruct(['parentLocationId' => 2]) |
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| 195 | ); |
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| 196 | |||
| 197 | $trashService->trash( |
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| 198 | $locationService->loadLocation($contentInfo->mainLocationId) |
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| 199 | ); |
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| 200 | |||
| 201 | self::assertEquals( |
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| 202 | $location->id, |
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| 203 | $contentService->loadContentInfo(42)->mainLocationId |
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| 204 | ); |
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| 205 | } |
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| 206 | |||
| 207 | /** |
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| 208 | * Test sending a location to trash. |
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| 209 | * |
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| 210 | * @covers \eZ\Publish\API\Repository\TrashService::trash |
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| 211 | */ |
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| 212 | public function testTrashReturnsNull() |
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| 213 | { |
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| 214 | $repository = $this->getRepository(); |
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| 215 | $contentService = $repository->getContentService(); |
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| 216 | $locationService = $repository->getLocationService(); |
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| 217 | $trashService = $repository->getTrashService(); |
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| 218 | |||
| 219 | // Create additional location to trash |
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| 220 | $location = $locationService->createLocation( |
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| 221 | $contentService->loadContentInfo(42), |
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| 222 | new LocationCreateStruct(['parentLocationId' => 2]) |
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| 223 | ); |
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| 224 | |||
| 225 | $trashItem = $trashService->trash($location); |
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| 226 | |||
| 227 | self::assertNull($trashItem); |
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| 228 | } |
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| 229 | |||
| 230 | /** |
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| 231 | * Test for the loadTrashItem() method. |
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| 232 | * |
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| 233 | * @covers \eZ\Publish\API\Repository\TrashService::loadTrashItem |
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| 234 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 235 | */ |
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| 236 | public function testLoadTrashItem() |
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| 237 | { |
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| 238 | $repository = $this->getRepository(); |
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| 239 | $trashService = $repository->getTrashService(); |
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| 240 | |||
| 241 | /* BEGIN: Use Case */ |
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| 242 | $trashItem = $this->createTrashItem(); |
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| 243 | |||
| 244 | // Reload the trash item |
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| 245 | $trashItemReloaded = $trashService->loadTrashItem($trashItem->id); |
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| 246 | /* END: Use Case */ |
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| 247 | |||
| 248 | $this->assertInstanceOf( |
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| 249 | APITrashItem::class, |
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| 250 | $trashItemReloaded |
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| 251 | ); |
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| 252 | |||
| 253 | $this->assertEquals( |
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| 254 | $trashItem->pathString, |
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| 255 | $trashItemReloaded->pathString |
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| 256 | ); |
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| 257 | |||
| 258 | $this->assertEquals( |
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| 259 | $trashItem, |
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| 260 | $trashItemReloaded |
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| 261 | ); |
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| 262 | |||
| 263 | $this->assertInstanceOf( |
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| 264 | DateTime::class, |
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| 265 | $trashItemReloaded->trashed |
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| 266 | ); |
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| 267 | |||
| 268 | $this->assertEquals( |
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| 269 | $trashItem->trashed->getTimestamp(), |
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| 270 | $trashItemReloaded->trashed->getTimestamp() |
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| 271 | ); |
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| 272 | |||
| 273 | $this->assertGreaterThan( |
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| 274 | 0, |
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| 275 | $trashItemReloaded->trashed->getTimestamp() |
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| 276 | ); |
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| 277 | |||
| 278 | $this->assertInstanceOf( |
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| 279 | Content::class, |
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| 280 | $content = $trashItemReloaded->getContent() |
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| 281 | ); |
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| 282 | $this->assertEquals($trashItem->contentId, $content->contentInfo->id); |
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| 283 | } |
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| 284 | |||
| 285 | /** |
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| 286 | * Test for the loadTrashItem() method. |
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| 287 | * |
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| 288 | * @see \eZ\Publish\API\Repository\TrashService::loadTrashItem() |
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| 289 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testLoadTrashItem |
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| 290 | */ |
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| 291 | public function testLoadTrashItemThrowsNotFoundException() |
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| 292 | { |
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| 293 | $this->expectException(\eZ\Publish\API\Repository\Exceptions\NotFoundException::class); |
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| 294 | |||
| 295 | $repository = $this->getRepository(); |
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| 296 | |||
| 297 | $nonExistingTrashId = $this->generateId('trash', 2342); |
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| 298 | /* BEGIN: Use Case */ |
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| 299 | $trashService = $repository->getTrashService(); |
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| 300 | |||
| 301 | // This call will fail with a "NotFoundException", because no trash item |
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| 302 | // with the ID 1342 should exist in an eZ Publish demo installation |
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| 303 | $trashService->loadTrashItem($nonExistingTrashId); |
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| 304 | /* END: Use Case */ |
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| 305 | } |
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| 306 | |||
| 307 | /** |
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| 308 | * Test for the recover() method. |
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| 309 | * |
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| 310 | * @covers \eZ\Publish\API\Repository\TrashService::recover |
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| 311 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 312 | */ |
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| 313 | public function testRecover() |
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| 314 | { |
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| 315 | $repository = $this->getRepository(); |
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| 316 | $trashService = $repository->getTrashService(); |
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| 317 | $locationService = $repository->getLocationService(); |
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| 318 | |||
| 319 | $mediaRemoteId = '75c715a51699d2d309a924eca6a95145'; |
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| 320 | |||
| 321 | /* BEGIN: Use Case */ |
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| 322 | $trashItem = $this->createTrashItem(); |
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| 323 | |||
| 324 | // Recover the trashed item |
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| 325 | $location = $trashService->recover($trashItem); |
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| 326 | |||
| 327 | // Load the recovered location |
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| 328 | $locationReloaded = $locationService->loadLocationByRemoteId( |
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| 329 | $mediaRemoteId |
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| 330 | ); |
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| 331 | /* END: Use Case */ |
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| 332 | |||
| 333 | $this->assertInstanceOf( |
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| 334 | APILocation::class, |
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| 335 | $location |
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| 336 | ); |
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| 337 | |||
| 338 | $this->assertEquals( |
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| 339 | $location, |
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| 340 | $locationReloaded |
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| 341 | ); |
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| 342 | |||
| 343 | try { |
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| 344 | $trashService->loadTrashItem($trashItem->id); |
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| 345 | $this->fail('Trash item was not removed after being recovered.'); |
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| 346 | } catch (NotFoundException $e) { |
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| 347 | // All well |
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| 348 | } |
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| 349 | } |
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| 350 | |||
| 351 | /** |
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| 352 | * Test recovering a non existing trash item results in a NotFoundException. |
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| 353 | * |
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| 354 | * @covers \eZ\Publish\API\Repository\TrashService::recover |
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| 355 | */ |
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| 356 | View Code Duplication | public function testRecoverThrowsNotFoundExceptionForNonExistingTrashItem() |
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| 357 | { |
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| 358 | $this->expectException(\eZ\Publish\API\Repository\Exceptions\NotFoundException::class); |
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| 359 | |||
| 360 | $repository = $this->getRepository(); |
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| 361 | $trashService = $repository->getTrashService(); |
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| 362 | |||
| 363 | $trashService->recover( |
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| 364 | $this->getTrashItemDouble( |
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| 365 | 12364, |
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| 366 | 12345, |
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| 367 | 12363 |
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| 368 | ) |
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| 369 | ); |
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| 370 | } |
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| 371 | |||
| 372 | /** |
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| 373 | * Test for the trash() method. |
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| 374 | * |
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| 375 | * @see \eZ\Publish\API\Repository\TrashService::recover() |
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| 376 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 377 | */ |
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| 378 | public function testNotFoundAliasAfterRemoveIt() |
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| 398 | |||
| 399 | /** |
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| 400 | * Test for the recover() method. |
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| 401 | * |
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| 402 | * @see \eZ\Publish\API\Repository\TrashService::recover() |
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| 403 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 404 | */ |
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| 405 | public function testAliasesForRemovedItems() |
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| 441 | |||
| 442 | /** |
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| 443 | * Test for the recover() method. |
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| 444 | * |
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| 445 | * @see \eZ\Publish\API\Repository\TrashService::recover() |
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| 446 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testRecover |
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| 447 | */ |
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| 448 | public function testRecoverDoesNotRestoreChildLocations() |
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| 491 | |||
| 492 | /** |
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| 493 | * Test for the recover() method. |
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| 494 | * |
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| 495 | * @see \eZ\Publish\API\Repository\TrashService::recover($trashItem, $newParentLocation) |
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| 496 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testRecover |
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| 497 | * |
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| 498 | * @todo Fix naming |
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| 499 | */ |
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| 500 | public function testRecoverWithLocationCreateStructParameter() |
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| 543 | |||
| 544 | /** |
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| 545 | * Test for the recover() method. |
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| 546 | * |
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| 547 | * @see \eZ\Publish\API\Repository\TrashService::recover($trashItem) |
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| 548 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testRecover |
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| 549 | */ |
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| 550 | public function testRecoverIncrementsChildCountOnOriginalParent() |
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| 583 | |||
| 584 | /** |
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| 585 | * Test for the recover() method. |
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| 586 | * |
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| 587 | * @see \eZ\Publish\API\Repository\TrashService::recover($trashItem, $newParentLocation) |
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| 588 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testRecoverWithLocationCreateStructParameter |
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| 589 | */ |
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| 590 | public function testRecoverWithLocationCreateStructParameterIncrementsChildCountOnNewParent() |
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| 629 | |||
| 630 | /** |
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| 631 | * Test recovering a location from trash to non existing location. |
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| 632 | * |
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| 633 | * @covers \eZ\Publish\API\Repository\TrashService::recover |
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| 634 | */ |
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| 635 | public function testRecoverToNonExistingLocation() |
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| 654 | |||
| 655 | /** |
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| 656 | * Test for the findTrashItems() method. |
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| 657 | * |
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| 658 | * @see \eZ\Publish\API\Repository\TrashService::findTrashItems() |
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| 659 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 660 | */ |
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| 661 | public function testFindTrashItems() |
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| 690 | |||
| 691 | /** |
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| 692 | * Test for the findTrashItems() method for it's result structure. |
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| 693 | * |
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| 694 | * @see \eZ\Publish\API\Repository\TrashService::findTrashItems() |
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| 695 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testTrash |
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| 696 | */ |
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| 697 | public function testFindTrashItemsLimits() |
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| 698 | { |
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| 699 | $repository = $this->getRepository(); |
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| 700 | $trashService = $repository->getTrashService(); |
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| 701 | |||
| 702 | $this->createTrashItem(); |
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| 703 | |||
| 704 | // Create a search query for all trashed items |
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| 705 | $query = new Query(); |
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| 706 | $query->limit = 2; |
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| 707 | |||
| 708 | // Load all trashed locations |
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| 709 | $searchResult = $trashService->findTrashItems($query); |
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| 710 | |||
| 711 | $this->assertInstanceOf( |
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| 712 | SearchResult::class, |
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| 713 | $searchResult |
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| 714 | ); |
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| 715 | |||
| 716 | // 4 trashed locations from the sub tree, but only 2 in results |
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| 717 | $this->assertCount(2, $searchResult->items); |
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| 718 | $this->assertEquals(4, $searchResult->count); |
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| 719 | $this->assertEquals(4, $searchResult->totalCount); |
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| 720 | } |
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| 721 | |||
| 722 | /** |
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| 723 | * Test for the findTrashItems() method. |
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| 724 | * |
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| 725 | * @see \eZ\Publish\API\Repository\TrashService::findTrashItems() |
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| 726 | * @depends \eZ\Publish\API\Repository\Tests\TrashServiceTest::testFindTrashItems |
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| 727 | */ |
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| 728 | public function testFindTrashItemsLimitedAccess() |
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| 762 | |||
| 763 | /** |
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| 764 | * Test for the emptyTrash() method. |
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| 765 | * |
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| 766 | * @see \eZ\Publish\API\Repository\TrashService::emptyTrash() |
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| 767 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testFindTrashItems |
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| 768 | */ |
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| 769 | public function testEmptyTrash() |
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| 798 | |||
| 799 | /** |
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| 800 | * Test for the emptyTrash() method with user which has subtree limitations. |
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| 801 | * |
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| 802 | * @see \eZ\Publish\API\Repository\TrashService::emptyTrash() |
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| 803 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testFindTrashItems |
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| 804 | */ |
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| 805 | public function testEmptyTrashForUserWithSubtreeLimitation() |
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| 847 | |||
| 848 | /** |
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| 849 | * Test for the deleteTrashItem() method. |
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| 850 | * |
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| 851 | * @see \eZ\Publish\API\Repository\TrashService::deleteTrashItem() |
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| 852 | * @depends eZ\Publish\API\Repository\Tests\TrashServiceTest::testFindTrashItems |
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| 853 | */ |
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| 854 | public function testDeleteTrashItem() |
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| 904 | |||
| 905 | /** |
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| 906 | * Test deleting a non existing trash item. |
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| 907 | * |
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| 908 | * @covers \eZ\Publish\API\Repository\TrashService::deleteTrashItem |
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| 909 | */ |
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| 910 | View Code Duplication | public function testDeleteThrowsNotFoundExceptionForNonExistingTrashItem() |
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| 923 | |||
| 924 | /** |
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| 925 | * Returns an array with the remoteIds of all child locations of the |
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| 926 | * <b>Community</b> location. It is stored in a local variable named |
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| 927 | * <b>$remoteIds</b>. |
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| 928 | * |
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| 929 | * @return string[] |
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| 930 | */ |
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| 931 | private function createRemoteIdList() |
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| 954 | |||
| 955 | /** |
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| 956 | * @param Repository $repository |
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| 957 | * @param int $parentLocationId |
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| 958 | * |
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| 959 | * @return \eZ\Publish\API\Repository\Values\Content\Content |
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| 960 | */ |
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| 961 | View Code Duplication | protected function createNewContentInPlaceTrashedOne(Repository $repository, $parentLocationId) |
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| 977 | |||
| 978 | /** |
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| 979 | * @param URLAliasService $urlAliasService |
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| 980 | * @param string $urlPath Url alias path |
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| 981 | * |
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| 982 | * @return \eZ\Publish\API\Repository\Values\Content\URLAlias |
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| 983 | */ |
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| 984 | private function assertAliasExists(URLAliasService $urlAliasService, $urlPath) |
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| 992 | |||
| 993 | /** |
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| 994 | * @param URLAliasService $urlAliasService |
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| 995 | * @param string $urlPath Url alias path |
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| 996 | */ |
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| 997 | private function assertAliasNotExists(URLAliasService $urlAliasService, $urlPath) |
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| 1006 | |||
| 1007 | /** |
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| 1008 | * Get Test Double for TrashItem for exception testing and similar. |
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| 1009 | * |
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| 1010 | * @param int $trashId |
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| 1011 | * @param int $contentId |
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| 1012 | * @param int $parentLocationId |
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| 1013 | * |
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| 1014 | * @return \eZ\Publish\API\Repository\Values\Content\TrashItem |
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| 1015 | */ |
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| 1016 | private function getTrashItemDouble(int $trashId, int $contentId = 44, int $parentLocationId = 2): APITrashItem |
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| 1024 | } |
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| 1025 |
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: