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:
| 1 | <?php  | 
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| 16 | class RoleTest extends RESTFunctionalTestCase  | 
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| 17 | { | 
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| 18 | /**  | 
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| 19 | * @covers POST /user/roles  | 
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| 20 | *  | 
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| 21 | * BC compatible mode, will return a role  | 
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| 22 | *  | 
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| 23 | * @return string The created role href  | 
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| 24 | */  | 
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| 25 | View Code Duplication | public function testCreateRole()  | 
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| 52 | |||
| 53 | /**  | 
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| 54 | * @covers POST /user/roles  | 
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| 55 | *  | 
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| 56 | * BC incompatible mode, will return a role draft  | 
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| 57 | *  | 
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| 58 | * @return string The created role draft href  | 
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| 59 | */  | 
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| 60 | View Code Duplication | public function testCreateRoleWithDraft()  | 
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| 92 | |||
| 93 | /**  | 
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| 94 | * @covers GET /user/roles  | 
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| 95 | */  | 
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| 96 | public function testListRoles()  | 
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| 104 | |||
| 105 | /**  | 
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| 106 | * @depends testCreateRole  | 
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| 107 |      * @covers GET /user/roles/{roleId} | 
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| 108 | */  | 
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| 109 | public function testLoadRole($roleHref)  | 
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| 117 | |||
| 118 | /**  | 
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| 119 | * @depends testCreateRole  | 
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| 120 |      * @covers POST /user/roles/{roleId} | 
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| 121 | *  | 
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| 122 | * @return string The created role draft href  | 
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| 123 | */  | 
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| 124 | View Code Duplication | public function testCreateRoleDraft($roleHref)  | 
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| 156 | |||
| 157 | /**  | 
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| 158 | * @depends testCreateRoleDraft  | 
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| 159 |      * @covers GET /user/roles/{roleId}/draft | 
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| 160 | */  | 
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| 161 | public function testLoadRoleDraft($roleDraftHref)  | 
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| 169 | |||
| 170 | /**  | 
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| 171 | * @depends testCreateRole  | 
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| 172 |      * @covers PATCH /user/roles/{roleId} | 
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| 173 | */  | 
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| 174 | View Code Duplication | public function testUpdateRole($roleHref)  | 
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| 197 | |||
| 198 | /**  | 
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| 199 | * @depends testCreateRoleDraft  | 
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| 200 |      * @covers PATCH /user/roles/{roleId}/draft | 
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| 201 | */  | 
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| 202 | View Code Duplication | public function testUpdateRoleDraft($roleDraftHref)  | 
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| 224 | |||
| 225 | /**  | 
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| 226 |      * @covers POST /user/roles/{roleId}/policies | 
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| 227 | * @depends testCreateRole  | 
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| 228 | *  | 
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| 229 | * @return string The created policy href  | 
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| 230 | */  | 
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| 231 | View Code Duplication | public function testAddPolicy($roleHref)  | 
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| 260 | |||
| 261 | /**  | 
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| 262 |      * @covers POST /user/roles/{roleId}/policies | 
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| 263 | * @depends testCreateRoleDraft  | 
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| 264 | *  | 
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| 265 | * @return string The created policy href  | 
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| 266 | */  | 
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| 267 | View Code Duplication | public function testAddPolicyByRoleDraft($roleDraftHref)  | 
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| 300 | |||
| 301 | /**  | 
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| 302 |      * @covers GET /user/roles/{roleId}/policies/{policyId} | 
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| 303 | * @depends testAddPolicy  | 
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| 304 | */  | 
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| 305 | public function testLoadPolicy($policyHref)  | 
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| 313 | |||
| 314 | /**  | 
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| 315 |      * @covers GET /user/roles/{roleId}/policies | 
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| 316 | * @depends testCreateRole  | 
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| 317 | */  | 
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| 318 | public function testLoadPolicies($roleHref)  | 
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| 326 | |||
| 327 | /**  | 
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| 328 |      * @covers PATCH /user/roles/{roleId}/policies/{policyId} | 
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| 329 | * @depends testAddPolicy  | 
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| 330 | */  | 
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| 331 | View Code Duplication | public function testUpdatePolicy($policyHref)  | 
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| 352 | |||
| 353 | /**  | 
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| 354 |      * @covers PATCH /user/roles/{roleId}/policies/{policyId} | 
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| 355 | * @depends testAddPolicyByRoleDraft  | 
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| 356 | */  | 
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| 357 | View Code Duplication | public function testUpdatePolicyByRoleDraft($policyHref)  | 
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| 378 | |||
| 379 | /**  | 
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| 380 | * @depends testCreateRole  | 
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| 381 |      * @covers POST /user/users/{userId}/roles | 
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| 382 | *  | 
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| 383 | * @return string assigned role href  | 
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| 384 | *  | 
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| 385 | * @todo stop using the anonymous user, this is dangerous...  | 
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| 386 | */  | 
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| 387 | View Code Duplication | public function testAssignRoleToUser($roleHref)  | 
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| 388 |     { | 
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| 389 | $xml = <<< XML  | 
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| 390 | <?xml version="1.0" encoding="UTF-8"?>  | 
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| 391 | <RoleAssignInput>  | 
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| 392 |   <Role href="{$roleHref}" media-type="application/vnd.ez.api.RoleAssignInput+xml"/> | 
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| 393 | </RoleAssignInput>  | 
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| 394 | XML;  | 
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| 395 | |||
| 396 | $request = $this->createHttpRequest(  | 
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| 397 | 'POST',  | 
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| 398 | '/api/ezp/v2/user/users/10/roles',  | 
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| 399 | 'RoleAssignInput+xml',  | 
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| 400 | 'RoleAssignmentList+json'  | 
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| 401 | );  | 
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| 402 | $request->setContent($xml);  | 
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| 403 | |||
| 404 | $response = $this->sendHttpRequest($request);  | 
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| 405 | $roleAssignmentArray = json_decode($response->getContent(), true);  | 
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| 406 | |||
| 407 | self::assertHttpResponseCodeEquals($response, 200);  | 
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| 408 | |||
| 409 | return $roleAssignmentArray['RoleAssignmentList']['RoleAssignment'][0]['_href'];  | 
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| 410 | }  | 
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| 411 | |||
| 412 | /**  | 
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| 413 |      * @covers       POST /user/users/{userId}/roles | 
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| 414 | *  | 
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| 415 | * @param string $roleHref  | 
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| 416 | * @param array $limitation  | 
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| 417 | *  | 
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| 418 | * @return string assigned role href  | 
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| 419 | * @dataProvider provideLimitations  | 
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| 420 | */  | 
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| 421 | public function testAssignRoleToUserWithLimitation(array $limitation)  | 
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| 422 |     { | 
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| 423 | $roleHref = $this->createAndPublishRole(__METHOD__ . '_' . $limitation['identifier']);  | 
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| 424 | |||
| 425 | $xml = <<< XML  | 
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| 426 | <?xml version="1.0" encoding="UTF-8"?>  | 
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| 427 | <RoleAssignInput>  | 
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| 428 |   <Role href="{$roleHref}" media-type="application/vnd.ez.api.RoleAssignInput+xml"/> | 
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| 429 |   <limitation identifier="{$limitation['identifier']}"> | 
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| 430 | <values>  | 
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| 431 |           <ref href="{$limitation['href']}" media-type="application/vnd.ez.api.{$limitation['identifier']}+xml" /> | 
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| 432 | </values>  | 
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| 433 | </limitation>  | 
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| 434 | </RoleAssignInput>  | 
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| 435 | XML;  | 
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| 436 | |||
| 437 | $request = $this->createHttpRequest(  | 
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| 438 | 'POST',  | 
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| 439 | '/api/ezp/v2/user/users/10/roles',  | 
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| 440 | 'RoleAssignInput+xml',  | 
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| 441 | 'RoleAssignmentList+json'  | 
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| 442 | );  | 
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| 443 | $request->setContent($xml);  | 
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| 444 | |||
| 445 | $response = $this->sendHttpRequest($request);  | 
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| 446 | $roleAssignmentArray = json_decode($response->getContent(), true);  | 
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| 447 | |||
| 448 | self::assertHttpResponseCodeEquals($response, 200);  | 
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| 449 | |||
| 450 | return $roleAssignmentArray['RoleAssignmentList']['RoleAssignment'][0]['_href'];  | 
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| 451 | }  | 
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| 452 | |||
| 453 | public function provideLimitations()  | 
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| 454 |     { | 
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| 455 | return [  | 
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| 456 | [['identifier' => 'Section', 'href' => '/api/ezp/v2/content/sections/1']],  | 
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| 457 | [['identifier' => 'Subtree', 'href' => '/api/ezp/v2/content/locations/1/2']],  | 
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| 458 | ];  | 
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| 459 | }  | 
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| 460 | |||
| 461 | /**  | 
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| 462 |      * @covers GET /user/users/{userId}/roles/{roleId} | 
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| 463 | * @depends testAssignRoleToUser  | 
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| 464 | */  | 
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| 465 | public function testLoadRoleAssignmentForUser($roleAssignmentHref)  | 
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| 473 | |||
| 474 | /**  | 
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| 475 |      * @covers DELETE /user/users/{userId}/roles/{roleId} | 
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| 476 | * @depends testAssignRoleToUser  | 
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| 477 | */  | 
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| 478 | public function testUnassignRoleFromUser($roleAssignmentHref)  | 
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| 486 | |||
| 487 | /**  | 
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| 488 | * @depends testCreateRole  | 
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| 489 |      * @covers POST /user/groups/{groupId}/roles | 
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| 490 | *  | 
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| 491 | * @return string role assignment href  | 
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| 492 | */  | 
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| 493 | View Code Duplication | public function testAssignRoleToUserGroup($roleHref)  | 
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| 522 | |||
| 523 | /**  | 
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| 524 |      * @covers GET /user/groups/{groupId}/roles/{roleId} | 
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| 525 | * @depends testAssignRoleToUserGroup  | 
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| 526 | */  | 
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| 527 | View Code Duplication | public function testLoadRoleAssignmentForUserGroup($roleAssignmentHref)  | 
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| 536 | |||
| 537 | /**  | 
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| 538 |      * @covers DELETE /user/groups/{groupId}/roles/{roleId} | 
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| 539 | * @depends testAssignRoleToUserGroup  | 
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| 540 | */  | 
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| 541 | View Code Duplication | public function testUnassignRoleFromUserGroup($roleAssignmentHref)  | 
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| 550 | |||
| 551 | /**  | 
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| 552 |      * @covers GET /user/users/{userId}/roles | 
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| 553 | */  | 
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| 554 | public function testLoadRoleAssignmentsForUser()  | 
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| 562 | |||
| 563 | /**  | 
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| 564 |      * @covers GET /user/groups/{groupPath}/roles | 
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| 565 | */  | 
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| 566 | public function testLoadRoleAssignmentsForUserGroup()  | 
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| 574 | |||
| 575 | /**  | 
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| 576 |      * @covers GET /user/policies?userId={userId} | 
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| 577 | */  | 
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| 578 | public function testListPoliciesForUser()  | 
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| 586 | |||
| 587 | /**  | 
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| 588 |      * @covers DELETE /user/roles/{roleId}/policies/{policyId} | 
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| 589 | * @depends testAddPolicy  | 
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| 590 | */  | 
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| 591 | public function testDeletePolicy($policyHref)  | 
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| 599 | |||
| 600 | /**  | 
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| 601 |      * @covers DELETE /user/roles/{roleId}/policies/{policyId} | 
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| 602 | * @depends testAddPolicyByRoleDraft  | 
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| 603 | */  | 
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| 604 | public function testRemovePolicyByRoleDraft($policyHref)  | 
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| 612 | |||
| 613 | /**  | 
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| 614 |      * @covers DELETE /user/roles/{roleId}/policies | 
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| 615 | * @depends testCreateRole  | 
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| 616 | */  | 
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| 617 | public function testDeletePolicies($roleHref)  | 
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| 625 | |||
| 626 | /**  | 
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| 627 |      * @covers DELETE /user/roles/{roleId} | 
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| 628 | * @depends testCreateRole  | 
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| 629 | */  | 
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| 630 | public function testDeleteRole($roleHref)  | 
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| 638 | |||
| 639 | /**  | 
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| 640 |      * @covers PUBLISH /user/roles/{roleId}/draft | 
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| 641 | * @depends testCreateRoleDraft  | 
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| 642 | */  | 
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| 643 | public function testPublishRoleDraft($roleDraftHref)  | 
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| 651 | |||
| 652 | /**  | 
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| 653 |      * @covers DELETE /user/roles/{roleId}/draft | 
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| 654 | * @depends testCreateRoleDraft  | 
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| 655 | */  | 
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| 656 | public function testDeleteRoleDraft($roleDraftHref)  | 
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| 667 | |||
| 668 | /**  | 
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| 669 | * Helper method for changing a roledraft href to a role href.  | 
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| 670 | *  | 
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| 671 | * @param string $roleDraftHref Role draft href  | 
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| 672 | *  | 
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| 673 | * @return string Role href  | 
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| 674 | */  | 
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| 675 | private function roleDraftHrefToRoleHref($roleDraftHref)  | 
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| 679 | |||
| 680 | /**  | 
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| 681 | * Creates and published a role with $identifier.  | 
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| 682 | *  | 
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| 683 | * @param string $identifier  | 
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| 684 | *  | 
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| 685 | * @return string The href of the published role  | 
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| 686 | */  | 
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| 687 | private function createAndPublishRole($identifier)  | 
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| 727 | }  | 
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| 728 | 
This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italyis not defined by the methodfinale(...).The most likely cause is that the parameter was removed, but the annotation was not.