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.InvalidClassFileName |
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| 16 | class HookManagerTest extends TestCase { |
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| 17 | |||
| 18 | /** |
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| 19 | * The hook manager we're testing. |
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| 20 | * |
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| 21 | * @var Hook_Manager |
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| 22 | */ |
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| 23 | private $hook_manager; |
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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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| 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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| 42 | |||
| 43 | /** |
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| 44 | * Tests that the hook manager can add actions. |
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| 45 | */ |
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| 46 | View Code Duplication | public function test_adds_action() { |
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| 54 | |||
| 55 | /** |
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| 56 | * Tests that the hook manager can add filters. |
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| 57 | */ |
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| 58 | View Code Duplication | public function test_adds_filters() { |
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| 66 | |||
| 67 | /** |
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| 68 | * Tests that the hook manager removes hooks on reset. |
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| 69 | */ |
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| 70 | public function test_resets() { |
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| 81 | } |
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| 82 |