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 // phpcs:ignore WordPress.Files.FileName |
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| 16 | class PathProcessorTest extends TestCase { |
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| 17 | |||
| 18 | /** |
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| 19 | * The path processor we're testing. |
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| 20 | * |
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| 21 | * @var Path_Processor |
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| 22 | */ |
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| 23 | private $processor; |
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| 24 | |||
| 25 | /** |
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| 26 | * Setup runs before each test. |
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| 27 | * |
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| 28 | * @before |
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| 29 | */ |
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| 30 | public function set_up() { |
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| 36 | |||
| 37 | /** |
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| 38 | * Teardown runs after each test. |
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| 39 | * |
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| 40 | * @after |
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| 41 | */ |
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| 42 | public function tear_down() { |
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| 46 | |||
| 47 | /** |
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| 48 | * Tests that the processor is able to successfully tokenize and untokenize paths. |
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| 49 | */ |
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| 50 | View Code Duplication | public function test_handles_path_tokenization_and_untokenization() { |
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| 59 | |||
| 60 | /** |
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| 61 | * Tests that the processor is able to successfully tokenize and untokenize paths on Windows. |
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| 62 | */ |
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| 63 | View Code Duplication | public function test_handles_path_tokenization_and_untokenization_with_windows_paths() { |
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| 72 | |||
| 73 | /** |
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| 74 | * Tests that the processor resolves symlinks when untokenizing. |
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| 75 | */ |
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| 76 | public function test_path_untokenization_resolves_symlinks() { |
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| 81 | |||
| 82 | /** |
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| 83 | * Tests that find_directory_with_autoloader does not work on non-PHP files. |
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| 84 | */ |
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| 85 | public function test_does_not_find_directory_for_non_php_files() { |
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| 93 | |||
| 94 | /** |
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| 95 | * Tests that find_directory_with_autoloader does not work for files that don't have the autoloader. |
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| 96 | */ |
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| 97 | public function test_does_not_find_directory_for_not_autoloaded_plugin() { |
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| 105 | |||
| 106 | /** |
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| 107 | * Tests that find_directory_with_autoloader finds directories for plugins that have the autoloader. |
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| 108 | */ |
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| 109 | public function test_finds_directory_for_autoloaded_plugin() { |
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| 117 | |||
| 118 | /** |
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| 119 | * Tests that find_directory_with_autoloader finds directories using Windows paths. |
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| 120 | */ |
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| 121 | public function test_finds_directory_for_autoloaded_plugin_with_windows_paths() { |
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| 129 | |||
| 130 | /** |
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| 131 | * Tests that find_directory_with_autoloader finds the realpath of directories that use symlinks. |
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| 132 | */ |
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| 133 | public function test_finds_directory_realpath_for_symlinked_plugin() { |
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| 141 | } |
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| 142 |
If you suppress an error, we recommend checking for the error condition explicitly: