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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13 | class Test_Path_Processor extends TestCase { |
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14 | |||
15 | /** |
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16 | * The path processor we're testing. |
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17 | * |
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18 | * @var Path_Processor |
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19 | */ |
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20 | private $processor; |
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21 | |||
22 | /** |
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23 | * Setup runs before each test. |
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24 | * |
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25 | * @before |
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26 | */ |
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27 | public function set_up() { |
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33 | |||
34 | /** |
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35 | * Teardown runs after each test. |
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36 | * |
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37 | * @after |
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38 | */ |
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39 | public function tear_down() { |
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43 | |||
44 | /** |
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45 | * Tests that the processor is able to successfully tokenize and untokenize paths. |
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46 | */ |
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47 | View Code Duplication | public function test_handles_path_tokenization_and_untokenization() { |
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56 | |||
57 | /** |
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58 | * Tests that the processor is able to successfully tokenize and untokenize paths on Windows. |
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59 | */ |
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60 | View Code Duplication | public function test_handles_path_tokenization_and_untokenization_with_windows_paths() { |
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69 | |||
70 | /** |
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71 | * Tests that the processor resolves symlinks when untokenizing. |
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72 | */ |
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73 | public function test_path_untokenization_resolves_symlinks() { |
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78 | |||
79 | /** |
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80 | * Tests that find_directory_with_autoloader does not work on non-PHP files. |
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81 | */ |
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82 | public function test_does_not_find_directory_for_non_php_files() { |
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90 | |||
91 | /** |
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92 | * Tests that find_directory_with_autoloader does not work for files that don't have the autoloader. |
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93 | */ |
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94 | public function test_does_not_find_directory_for_not_autoloaded_plugin() { |
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102 | |||
103 | /** |
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104 | * Tests that find_directory_with_autoloader finds directories for plugins that have the autoloader. |
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105 | */ |
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106 | View Code Duplication | public function test_finds_directory_for_autoloaded_plugin() { |
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114 | |||
115 | /** |
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116 | * Tests that find_directory_with_autoloader finds directories using Windows paths. |
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117 | */ |
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118 | View Code Duplication | public function test_finds_directory_for_autoloaded_plugin_with_windows_paths() { |
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126 | |||
127 | /** |
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128 | * Tests that find_directory_with_autoloader finds the realpath of directories that use symlinks. |
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129 | */ |
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130 | View Code Duplication | public function test_finds_directory_realpath_for_symlinked_plugin() { |
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138 | } |
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139 |
If you suppress an error, we recommend checking for the error condition explicitly: