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 Framework_TestCaseTest 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 Framework_TestCaseTest, and based on these observations, apply Extract Interface, too.
| 1 | <?php  | 
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| 28 | class Framework_TestCaseTest extends PHPUnit_Framework_TestCase  | 
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| 29 | { | 
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| 30 |     protected $backupGlobalsBlacklist = array('i', 'singleton'); | 
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| 31 | |||
| 32 | /**  | 
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| 33 | * Used be testStaticAttributesBackupPre  | 
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| 34 | */  | 
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| 35 | protected static $_testStatic = 0;  | 
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| 36 | |||
| 37 | public function testCaseToString()  | 
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| 38 |     { | 
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| 39 | $this->assertEquals(  | 
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| 40 | 'Framework_TestCaseTest::testCaseToString',  | 
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| 41 | $this->toString()  | 
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| 42 | );  | 
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| 43 | }  | 
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| 44 | |||
| 45 | public function testSuccess()  | 
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| 46 |     { | 
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| 47 | $test = new Success;  | 
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| 48 | $result = $test->run();  | 
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| 49 | |||
| 50 | $this->assertEquals(PHPUnit_Runner_BaseTestRunner::STATUS_PASSED, $test->getStatus());  | 
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| 51 | $this->assertEquals(0, $result->errorCount());  | 
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| 52 | $this->assertEquals(0, $result->failureCount());  | 
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| 53 | $this->assertEquals(0, $result->skippedCount());  | 
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| 54 | $this->assertEquals(1, count($result));  | 
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| 55 | }  | 
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| 56 | |||
| 57 | public function testFailure()  | 
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| 58 |     { | 
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| 59 | $test = new Failure;  | 
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| 60 | $result = $test->run();  | 
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| 61 | |||
| 62 | $this->assertEquals(PHPUnit_Runner_BaseTestRunner::STATUS_FAILURE, $test->getStatus());  | 
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| 63 | $this->assertEquals(0, $result->errorCount());  | 
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| 64 | $this->assertEquals(1, $result->failureCount());  | 
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| 65 | $this->assertEquals(0, $result->skippedCount());  | 
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| 66 | $this->assertEquals(1, count($result));  | 
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| 67 | }  | 
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| 68 | |||
| 69 | public function testError()  | 
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| 70 |     { | 
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| 71 | $test = new TestError;  | 
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| 72 | $result = $test->run();  | 
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| 73 | |||
| 74 | $this->assertEquals(PHPUnit_Runner_BaseTestRunner::STATUS_ERROR, $test->getStatus());  | 
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| 75 | $this->assertEquals(1, $result->errorCount());  | 
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| 76 | $this->assertEquals(0, $result->failureCount());  | 
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| 77 | $this->assertEquals(0, $result->skippedCount());  | 
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| 78 | $this->assertEquals(1, count($result));  | 
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| 79 | }  | 
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| 80 | |||
| 81 | public function testSkipped()  | 
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| 82 |     { | 
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| 83 | $test = new TestSkipped();  | 
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| 84 | $result = $test->run();  | 
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| 85 | |||
| 86 | $this->assertEquals(PHPUnit_Runner_BaseTestRunner::STATUS_SKIPPED, $test->getStatus());  | 
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| 87 |         $this->assertEquals('Skipped test', $test->getStatusMessage()); | 
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| 88 | $this->assertEquals(0, $result->errorCount());  | 
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| 89 | $this->assertEquals(0, $result->failureCount());  | 
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| 90 | $this->assertEquals(1, $result->skippedCount());  | 
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| 91 | $this->assertEquals(1, count($result));  | 
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| 92 | }  | 
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| 93 | |||
| 94 | public function testIncomplete()  | 
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| 95 |     { | 
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| 96 | $test = new TestIncomplete();  | 
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| 97 | $result = $test->run();  | 
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| 98 | |||
| 99 | $this->assertEquals(PHPUnit_Runner_BaseTestRunner::STATUS_INCOMPLETE, $test->getStatus());  | 
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| 100 |         $this->assertEquals('Incomplete test', $test->getStatusMessage()); | 
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| 101 | $this->assertEquals(0, $result->errorCount());  | 
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| 102 | $this->assertEquals(0, $result->failureCount());  | 
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| 103 | $this->assertEquals(0, $result->skippedCount());  | 
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| 104 | $this->assertEquals(1, count($result));  | 
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| 105 | }  | 
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| 106 | |||
| 107 | public function testExceptionInSetUp()  | 
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| 108 |     { | 
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| 109 |         $test   = new ExceptionInSetUpTest('testSomething'); | 
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| 110 | $result = $test->run();  | 
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| 111 | |||
| 112 | $this->assertTrue($test->setUp);  | 
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| 113 | $this->assertFalse($test->assertPreConditions);  | 
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| 114 | $this->assertFalse($test->testSomething);  | 
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| 115 | $this->assertFalse($test->assertPostConditions);  | 
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| 116 | $this->assertTrue($test->tearDown);  | 
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| 117 | }  | 
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| 118 | |||
| 119 | public function testExceptionInAssertPreConditions()  | 
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| 120 |     { | 
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| 121 |         $test   = new ExceptionInAssertPreConditionsTest('testSomething'); | 
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| 122 | $result = $test->run();  | 
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| 123 | |||
| 124 | $this->assertTrue($test->setUp);  | 
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| 125 | $this->assertTrue($test->assertPreConditions);  | 
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| 126 | $this->assertFalse($test->testSomething);  | 
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| 127 | $this->assertFalse($test->assertPostConditions);  | 
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| 128 | $this->assertTrue($test->tearDown);  | 
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| 129 | }  | 
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| 130 | |||
| 131 | public function testExceptionInTest()  | 
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| 132 |     { | 
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| 133 |         $test   = new ExceptionInTest('testSomething'); | 
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| 134 | $result = $test->run();  | 
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| 135 | |||
| 136 | $this->assertTrue($test->setUp);  | 
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| 137 | $this->assertTrue($test->assertPreConditions);  | 
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| 138 | $this->assertTrue($test->testSomething);  | 
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| 139 | $this->assertFalse($test->assertPostConditions);  | 
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| 140 | $this->assertTrue($test->tearDown);  | 
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| 141 | }  | 
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| 142 | |||
| 143 | public function testExceptionInAssertPostConditions()  | 
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| 144 |     { | 
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| 145 |         $test   = new ExceptionInAssertPostConditionsTest('testSomething'); | 
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| 146 | $result = $test->run();  | 
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| 147 | |||
| 148 | $this->assertTrue($test->setUp);  | 
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| 149 | $this->assertTrue($test->assertPreConditions);  | 
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| 150 | $this->assertTrue($test->testSomething);  | 
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| 151 | $this->assertTrue($test->assertPostConditions);  | 
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| 152 | $this->assertTrue($test->tearDown);  | 
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| 153 | }  | 
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| 154 | |||
| 155 | public function testExceptionInTearDown()  | 
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| 156 |     { | 
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| 157 |         $test   = new ExceptionInTearDownTest('testSomething'); | 
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| 158 | $result = $test->run();  | 
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| 159 | |||
| 160 | $this->assertTrue($test->setUp);  | 
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| 161 | $this->assertTrue($test->assertPreConditions);  | 
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| 162 | $this->assertTrue($test->testSomething);  | 
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| 163 | $this->assertTrue($test->assertPostConditions);  | 
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| 164 | $this->assertTrue($test->tearDown);  | 
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| 165 | }  | 
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| 166 | |||
| 167 | public function testNoArgTestCasePasses()  | 
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| 168 |     { | 
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| 169 | $result = new PHPUnit_Framework_TestResult;  | 
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| 170 |         $t      = new PHPUnit_Framework_TestSuite('NoArgTestCaseTest'); | 
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| 171 | |||
| 172 | $t->run($result);  | 
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| 173 | |||
| 174 | $this->assertEquals(1, count($result));  | 
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| 175 | $this->assertEquals(0, $result->failureCount());  | 
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| 176 | $this->assertEquals(0, $result->errorCount());  | 
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| 177 | }  | 
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| 178 | |||
| 179 | public function testWasRun()  | 
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| 180 |     { | 
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| 181 | $test = new WasRun;  | 
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| 182 | $test->run();  | 
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| 183 | |||
| 184 | $this->assertTrue($test->wasRun);  | 
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| 185 | }  | 
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| 186 | |||
| 187 | public function testException()  | 
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| 188 |     { | 
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| 189 |         $test = new ThrowExceptionTestCase('test'); | 
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| 190 |         $test->setExpectedException('RuntimeException'); | 
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| 191 | |||
| 192 | $result = $test->run();  | 
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| 193 | |||
| 194 | $this->assertEquals(1, count($result));  | 
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| 195 | $this->assertTrue($result->wasSuccessful());  | 
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| 196 | }  | 
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| 197 | |||
| 198 | public function testExceptionWithMessage()  | 
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| 199 |     { | 
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| 200 |         $test = new ThrowExceptionTestCase('test'); | 
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| 201 |         $test->setExpectedException('RuntimeException', 'A runtime error occurred'); | 
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| 202 | |||
| 203 | $result = $test->run();  | 
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| 204 | |||
| 205 | $this->assertEquals(1, count($result));  | 
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| 206 | $this->assertTrue($result->wasSuccessful());  | 
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| 207 | }  | 
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| 208 | |||
| 209 | public function testExceptionWithWrongMessage()  | 
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| 210 |     { | 
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| 211 |         $test = new ThrowExceptionTestCase('test'); | 
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| 212 |         $test->setExpectedException('RuntimeException', 'A logic error occurred'); | 
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| 213 | |||
| 214 | $result = $test->run();  | 
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| 215 | |||
| 216 | $this->assertEquals(1, $result->failureCount());  | 
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| 217 | $this->assertEquals(1, count($result));  | 
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| 218 | $this->assertEquals(  | 
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| 219 | "Failed asserting that exception message 'A runtime error occurred' contains 'A logic error occurred'.",  | 
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| 220 | $test->getStatusMessage()  | 
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| 221 | );  | 
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| 222 | }  | 
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| 223 | |||
| 224 | public function testExceptionWithRegexpMessage()  | 
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| 225 |     { | 
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| 226 |         $test = new ThrowExceptionTestCase('test'); | 
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| 227 |         $test->setExpectedExceptionRegExp('RuntimeException', '/runtime .*? occurred/'); | 
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| 228 | |||
| 229 | $result = $test->run();  | 
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| 230 | |||
| 231 | $this->assertEquals(1, count($result));  | 
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| 232 | $this->assertTrue($result->wasSuccessful());  | 
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| 233 | }  | 
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| 234 | |||
| 235 | public function testExceptionWithWrongRegexpMessage()  | 
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| 236 |     { | 
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| 237 |         $test = new ThrowExceptionTestCase('test'); | 
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| 238 |         $test->setExpectedExceptionRegExp('RuntimeException', '/logic .*? occurred/'); | 
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| 239 | |||
| 240 | $result = $test->run();  | 
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| 241 | |||
| 242 | $this->assertEquals(1, $result->failureCount());  | 
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| 243 | $this->assertEquals(1, count($result));  | 
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| 244 | $this->assertEquals(  | 
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| 245 | "Failed asserting that exception message 'A runtime error occurred' matches '/logic .*? occurred/'.",  | 
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| 246 | $test->getStatusMessage()  | 
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| 247 | );  | 
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| 248 | }  | 
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| 249 | |||
| 250 | /**  | 
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| 251 | * @covers PHPUnit_Framework_Constraint_ExceptionMessageRegExp  | 
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| 252 | */  | 
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| 253 | public function testExceptionWithInvalidRegexpMessage()  | 
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| 254 |     { | 
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| 255 |         $test = new ThrowExceptionTestCase('test'); | 
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| 256 |         $test->setExpectedExceptionRegExp('RuntimeException', '#runtime .*? occurred/'); // wrong delimiter | 
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| 257 | |||
| 258 | $result = $test->run();  | 
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| 259 | |||
| 260 | $this->assertEquals(  | 
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| 261 | "Invalid expected exception message regex given: '#runtime .*? occurred/'",  | 
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| 262 | $test->getStatusMessage()  | 
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| 263 | );  | 
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| 264 | }  | 
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| 265 | |||
| 266 | public function testNoException()  | 
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| 267 |     { | 
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| 268 |         $test = new ThrowNoExceptionTestCase('test'); | 
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| 269 |         $test->setExpectedException('RuntimeException'); | 
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| 270 | |||
| 271 | $result = $test->run();  | 
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| 272 | |||
| 273 | $this->assertEquals(1, $result->failureCount());  | 
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| 274 | $this->assertEquals(1, count($result));  | 
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| 275 | }  | 
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| 276 | |||
| 277 | public function testWrongException()  | 
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| 278 |     { | 
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| 279 |         $test = new ThrowExceptionTestCase('test'); | 
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| 280 |         $test->setExpectedException('InvalidArgumentException'); | 
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| 281 | |||
| 282 | $result = $test->run();  | 
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| 283 | |||
| 284 | $this->assertEquals(1, $result->failureCount());  | 
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| 285 | $this->assertEquals(1, count($result));  | 
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| 286 | }  | 
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| 287 | |||
| 288 | /**  | 
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| 289 | * @backupGlobals enabled  | 
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| 290 | */  | 
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| 291 | public function testGlobalsBackupPre()  | 
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| 292 |     { | 
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| 293 | global $a;  | 
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| 294 | global $i;  | 
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| 295 | |||
| 296 |         $this->assertEquals('a', $a); | 
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| 297 |         $this->assertEquals('a', $GLOBALS['a']); | 
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| 298 |         $this->assertEquals('b', $_ENV['b']); | 
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| 299 |         $this->assertEquals('c', $_POST['c']); | 
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| 300 |         $this->assertEquals('d', $_GET['d']); | 
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| 301 |         $this->assertEquals('e', $_COOKIE['e']); | 
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| 302 |         $this->assertEquals('f', $_SERVER['f']); | 
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| 303 |         $this->assertEquals('g', $_FILES['g']); | 
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| 304 |         $this->assertEquals('h', $_REQUEST['h']); | 
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| 305 |         $this->assertEquals('i', $i); | 
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| 306 |         $this->assertEquals('i', $GLOBALS['i']); | 
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| 307 | |||
| 308 | $GLOBALS['a'] = 'aa';  | 
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| 309 | $GLOBALS['foo'] = 'bar';  | 
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| 310 | $_ENV['b'] = 'bb';  | 
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| 311 | $_POST['c'] = 'cc';  | 
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| 312 | $_GET['d'] = 'dd';  | 
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| 313 | $_COOKIE['e'] = 'ee';  | 
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| 314 | $_SERVER['f'] = 'ff';  | 
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| 315 | $_FILES['g'] = 'gg';  | 
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| 316 | $_REQUEST['h'] = 'hh';  | 
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| 317 | $GLOBALS['i'] = 'ii';  | 
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| 318 | |||
| 319 |         $this->assertEquals('aa', $a); | 
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| 320 |         $this->assertEquals('aa', $GLOBALS['a']); | 
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| 321 |         $this->assertEquals('bar', $GLOBALS['foo']); | 
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| 322 |         $this->assertEquals('bb', $_ENV['b']); | 
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| 323 |         $this->assertEquals('cc', $_POST['c']); | 
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| 324 |         $this->assertEquals('dd', $_GET['d']); | 
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| 325 |         $this->assertEquals('ee', $_COOKIE['e']); | 
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| 326 |         $this->assertEquals('ff', $_SERVER['f']); | 
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| 327 |         $this->assertEquals('gg', $_FILES['g']); | 
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| 328 |         $this->assertEquals('hh', $_REQUEST['h']); | 
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| 329 |         $this->assertEquals('ii', $i); | 
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| 330 |         $this->assertEquals('ii', $GLOBALS['i']); | 
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| 331 | }  | 
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| 332 | |||
| 333 | public function testGlobalsBackupPost()  | 
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| 334 |     { | 
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| 335 | global $a;  | 
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| 336 | global $i;  | 
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| 337 | |||
| 338 |         $this->assertEquals('a', $a); | 
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| 339 |         $this->assertEquals('a', $GLOBALS['a']); | 
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| 340 |         $this->assertEquals('b', $_ENV['b']); | 
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| 341 |         $this->assertEquals('c', $_POST['c']); | 
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| 342 |         $this->assertEquals('d', $_GET['d']); | 
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| 343 |         $this->assertEquals('e', $_COOKIE['e']); | 
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| 344 |         $this->assertEquals('f', $_SERVER['f']); | 
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| 345 |         $this->assertEquals('g', $_FILES['g']); | 
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| 346 |         $this->assertEquals('h', $_REQUEST['h']); | 
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| 347 |         $this->assertEquals('ii', $i); | 
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| 348 |         $this->assertEquals('ii', $GLOBALS['i']); | 
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| 349 | |||
| 350 |         $this->assertArrayNotHasKey('foo', $GLOBALS); | 
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| 351 | }  | 
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| 352 | |||
| 353 | /**  | 
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| 354 | * @backupGlobals enabled  | 
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| 355 | * @backupStaticAttributes enabled  | 
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| 356 | */  | 
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| 357 | public function testStaticAttributesBackupPre()  | 
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| 358 |     { | 
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| 359 | $GLOBALS['singleton'] = Singleton::getInstance();  | 
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| 360 | self::$_testStatic = 123;  | 
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| 361 | }  | 
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| 362 | |||
| 363 | /**  | 
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| 364 | * @depends testStaticAttributesBackupPre  | 
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| 365 | */  | 
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| 366 | public function testStaticAttributesBackupPost()  | 
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| 367 |     { | 
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| 368 | $this->assertNotSame($GLOBALS['singleton'], Singleton::getInstance());  | 
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| 369 | $this->assertSame(0, self::$_testStatic);  | 
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| 370 | }  | 
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| 371 | |||
| 372 | public function testIsInIsolationReturnsFalse()  | 
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| 373 |     { | 
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| 374 |         $test   = new IsolationTest('testIsInIsolationReturnsFalse'); | 
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| 375 | $result = $test->run();  | 
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| 376 | |||
| 377 | $this->assertEquals(1, count($result));  | 
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| 378 | $this->assertTrue($result->wasSuccessful());  | 
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| 379 | }  | 
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| 380 | |||
| 381 | public function testIsInIsolationReturnsTrue()  | 
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| 382 |     { | 
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| 383 |         $test   = new IsolationTest('testIsInIsolationReturnsTrue'); | 
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| 384 | $test->setRunTestInSeparateProcess(true);  | 
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| 385 | $result = $test->run();  | 
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| 386 | |||
| 387 | $this->assertEquals(1, count($result));  | 
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| 388 | $this->assertTrue($result->wasSuccessful());  | 
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| 389 | }  | 
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| 390 | |||
| 391 | public function testExpectOutputStringFooActualFoo()  | 
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| 392 |     { | 
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| 393 |         $test   = new OutputTestCase('testExpectOutputStringFooActualFoo'); | 
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| 394 | $result = $test->run();  | 
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| 395 | |||
| 396 | $this->assertEquals(1, count($result));  | 
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| 397 | $this->assertTrue($result->wasSuccessful());  | 
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| 398 | }  | 
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| 399 | |||
| 400 | public function testExpectOutputStringFooActualBar()  | 
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| 401 |     { | 
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| 402 |         $test   = new OutputTestCase('testExpectOutputStringFooActualBar'); | 
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| 403 | $result = $test->run();  | 
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| 404 | |||
| 405 | $this->assertEquals(1, count($result));  | 
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| 406 | $this->assertFalse($result->wasSuccessful());  | 
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| 407 | }  | 
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| 408 | |||
| 409 | public function testExpectOutputRegexFooActualFoo()  | 
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| 410 |     { | 
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| 411 |         $test   = new OutputTestCase('testExpectOutputRegexFooActualFoo'); | 
            ||
| 412 | $result = $test->run();  | 
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| 413 | |||
| 414 | $this->assertEquals(1, count($result));  | 
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| 415 | $this->assertTrue($result->wasSuccessful());  | 
            ||
| 416 | }  | 
            ||
| 417 | |||
| 418 | public function testExpectOutputRegexFooActualBar()  | 
            ||
| 419 |     { | 
            ||
| 420 |         $test   = new OutputTestCase('testExpectOutputRegexFooActualBar'); | 
            ||
| 421 | $result = $test->run();  | 
            ||
| 422 | |||
| 423 | $this->assertEquals(1, count($result));  | 
            ||
| 424 | $this->assertFalse($result->wasSuccessful());  | 
            ||
| 425 | }  | 
            ||
| 426 | |||
| 427 | public function testSkipsIfRequiresHigherVersionOfPHPUnit()  | 
            ||
| 428 |     { | 
            ||
| 429 |         $test   = new RequirementsTest('testAlwaysSkip'); | 
            ||
| 430 | $result = $test->run();  | 
            ||
| 431 | |||
| 432 | $this->assertEquals(1, $result->skippedCount());  | 
            ||
| 433 | $this->assertEquals(  | 
            ||
| 434 | 'PHPUnit 1111111 (or later) is required.',  | 
            ||
| 435 | $test->getStatusMessage()  | 
            ||
| 436 | );  | 
            ||
| 437 | }  | 
            ||
| 438 | |||
| 439 | public function testSkipsIfRequiresHigherVersionOfPHP()  | 
            ||
| 440 |     { | 
            ||
| 441 |         $test   = new RequirementsTest('testAlwaysSkip2'); | 
            ||
| 442 | $result = $test->run();  | 
            ||
| 443 | |||
| 444 | $this->assertEquals(1, $result->skippedCount());  | 
            ||
| 445 | $this->assertEquals(  | 
            ||
| 446 | 'PHP 9999999 (or later) is required.',  | 
            ||
| 447 | $test->getStatusMessage()  | 
            ||
| 448 | );  | 
            ||
| 449 | }  | 
            ||
| 450 | |||
| 451 | public function testSkipsIfRequiresNonExistingOs()  | 
            ||
| 452 |     { | 
            ||
| 453 |         $test   = new RequirementsTest('testAlwaysSkip3'); | 
            ||
| 454 | $result = $test->run();  | 
            ||
| 455 | |||
| 456 | $this->assertEquals(1, $result->skippedCount());  | 
            ||
| 457 | $this->assertEquals(  | 
            ||
| 458 | 'Operating system matching /DOESNOTEXIST/i is required.',  | 
            ||
| 459 | $test->getStatusMessage()  | 
            ||
| 460 | );  | 
            ||
| 461 | }  | 
            ||
| 462 | |||
| 463 | public function testSkipsIfRequiresNonExistingFunction()  | 
            ||
| 464 |     { | 
            ||
| 465 |         $test   = new RequirementsTest('testNine'); | 
            ||
| 466 | $result = $test->run();  | 
            ||
| 467 | |||
| 468 | $this->assertEquals(1, $result->skippedCount());  | 
            ||
| 469 | $this->assertEquals(  | 
            ||
| 470 | 'Function testFunc is required.',  | 
            ||
| 471 | $test->getStatusMessage()  | 
            ||
| 472 | );  | 
            ||
| 473 | }  | 
            ||
| 474 | |||
| 475 | public function testSkipsIfRequiresNonExistingExtension()  | 
            ||
| 476 |     { | 
            ||
| 477 |         $test   = new RequirementsTest('testTen'); | 
            ||
| 478 | $result = $test->run();  | 
            ||
| 479 | |||
| 480 | $this->assertEquals(  | 
            ||
| 481 | 'Extension testExt is required.',  | 
            ||
| 482 | $test->getStatusMessage()  | 
            ||
| 483 | );  | 
            ||
| 484 | }  | 
            ||
| 485 | |||
| 486 | public function testSkipsProvidesMessagesForAllSkippingReasons()  | 
            ||
| 487 |     { | 
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| 488 |         $test   = new RequirementsTest('testAllPossibleRequirements'); | 
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| 489 | $result = $test->run();  | 
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| 490 | |||
| 491 | $this->assertEquals(  | 
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| 492 | 'PHP 99-dev (or later) is required.' . PHP_EOL .  | 
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| 493 | 'PHPUnit 9-dev (or later) is required.' . PHP_EOL .  | 
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| 494 | 'Operating system matching /DOESNOTEXIST/i is required.' . PHP_EOL .  | 
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| 495 | 'Function testFuncOne is required.' . PHP_EOL .  | 
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| 496 | 'Function testFuncTwo is required.' . PHP_EOL .  | 
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| 497 | 'Extension testExtOne is required.' . PHP_EOL .  | 
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| 498 | 'Extension testExtTwo is required.',  | 
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| 499 | $test->getStatusMessage()  | 
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| 500 | );  | 
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| 501 | }  | 
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| 502 | |||
| 503 | public function testRequiringAnExistingMethodDoesNotSkip()  | 
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| 504 |     { | 
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| 505 |         $test   = new RequirementsTest('testExistingMethod'); | 
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| 506 | $result = $test->run();  | 
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| 507 | $this->assertEquals(0, $result->skippedCount());  | 
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| 508 | }  | 
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| 509 | |||
| 510 | public function testRequiringAnExistingFunctionDoesNotSkip()  | 
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| 511 |     { | 
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| 512 |         $test   = new RequirementsTest('testExistingFunction'); | 
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| 513 | $result = $test->run();  | 
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| 514 | $this->assertEquals(0, $result->skippedCount());  | 
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| 515 | }  | 
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| 516 | |||
| 517 | public function testRequiringAnExistingExtensionDoesNotSkip()  | 
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| 518 |     { | 
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| 519 |         $test   = new RequirementsTest('testExistingExtension'); | 
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| 520 | $result = $test->run();  | 
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| 521 | $this->assertEquals(0, $result->skippedCount());  | 
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| 522 | }  | 
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| 523 | |||
| 524 | public function testRequiringAnExistingOsDoesNotSkip()  | 
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| 525 |     { | 
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| 526 |         $test   = new RequirementsTest('testExistingOs'); | 
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| 527 | $result = $test->run();  | 
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| 528 | $this->assertEquals(0, $result->skippedCount());  | 
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| 529 | }  | 
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| 530 | |||
| 531 | public function testCurrentWorkingDirectoryIsRestored()  | 
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| 532 |     { | 
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| 533 | $expectedCwd = getcwd();  | 
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| 534 | |||
| 535 |         $test = new ChangeCurrentWorkingDirectoryTest('testSomethingThatChangesTheCwd'); | 
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| 536 | $test->run();  | 
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| 537 | |||
| 538 | $this->assertSame($expectedCwd, getcwd());  | 
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| 539 | }  | 
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| 540 | |||
| 541 | /**  | 
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| 542 | * @requires PHP 7  | 
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| 543 | * @expectedException TypeError  | 
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| 544 | */  | 
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| 545 | public function testTypeErrorCanBeExpected()  | 
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| 546 |     { | 
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| 547 | $o = new ClassWithScalarTypeDeclarations;  | 
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| 548 | $o->foo(null, null);  | 
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| 549 | }  | 
            ||
| 550 | }  | 
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| 551 |