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Hooks

A comprehensive look at the entire Hook lifecycle for a defined TestSuite and TestCase.
Hooks are methods that allow you to perform scaffolding operations, free resources, or perform some other operation before or after a test is processed. The hooks that can be defined in AsyncUnit are:
  • Cspray\Labrador\AsyncUnit\Attribute\BeforeAll
  • Cspray\Labrador\AsyncUnit\Attribute\BeforeEach
  • Cspray\Labrador\AsyncUnit\Attribute\AfterEach
  • Cspray\Labrador\AsyncUnit\Attribute\AfterAll
  • Cspray\Labrador\AsyncUnit\Attribute\BeforeEachTest*
  • Cspray\Labrador\AsyncUnit\Attribute\AfterEachTest*
Methods marked with a * can only be defined on a TestSuite. Defining them on a TestCase is currently ignored and in future versions will result in a compilation error. All other attributes can be defined on methods belonging to either a TestSuite or a TestCase.
Based on whether you have defined an explicit TestSuite your hook lifecycle will have 2 "effective" orders. The order of hooks for the explicit TestSuite is followed for all suites, even the ImplicitTestSuite, however the implicit suite will never have a hook defined and thus is effectively always skipping the TestSuite specific hooks.

Hook order for ImplicitTestSuite

If you are using the ImplicitTestSuite then the hook order is straightforward and, for the most part, aligns with what you'd be used to with PHPUnit or other testing frameworks. The following hook lifecycle applies to each TestCase.
  1. 1.
    BeforeAll methods defined are executed when a given TestCase has started processing. These methods will only be invoked 1 time per TestCase, even if multiple tests are defined. This should be a static class method.
  2. 2.
    BeforeEach methods defined on the TestCase are executed when a given test has started processing. These methods will be invoked 1 time, with a fresh TestCase instance, for every single test.
  3. 3.
    The test currently being processed will be executed.
  4. 4.
    AfterEach methods defined on the TestCase are executed when a given test has finished processing. These methods will be invoked 1 time, with a fresh TestCase instance, for every single test.
  5. 5.
    AfterAll methods defined on the TestCase are executed when all tests are finished executing for the given TestCase. These methods will only be invoked 1 time per TestCase, even if multiple tests are defined. This should be a static class method.

Hook order for explicit TestSuite

If you have defined an explicit TestSuite then your hook order starts to become more advanced, and with advance functionality comes an increase in complexity. It is important before you start defining your own hooks on TestSuite you understand how they operate and interact with your tests. The following hook lifecycle applies to each TestSuite
  1. 1.
    BeforeAll methods defined on the TestSuite are executed when a given suite has started processing. These methods will only be invoked 1 timer per TestSuite. Only one TestSuite instance will be created for each suite processed so there is no need for this to be a static method.
  2. 2.
    BeforeEach methods defined on the TestSuite are executed before a given TestCase has started processing. These methods will be invoked 1 time for every TestCase associated to the suite.
  3. 3.
    BeforeAll methods defined on the TestCase are executed. Follows the same rules for the implicit use case.
  4. 4.
    BeforeEachTest methods defined on the TestSuite are executed before a given test has started. These methods will be invoked 1 time for every single test.
  5. 5.
    BeforeEach methods defined on the TestCase are executed. Follows the same rules for the implicit use case.
  6. 6.
    The test currently being processed will be executed.
  7. 7.
    AfterEach methods defined on the TestCase are executed. Follows the same rules for the implicit use case.
  8. 8.
    AfterEachTest methods defined on the TestSuite are executed after a given test has finished. These methods will be invoked 1 time for every single test.
  9. 9.
    AfterAll methods defined on the TestCase are executed . Follows the same rules for the implicit use case.
  10. 10.
    AfterEach methods defined on the TestSuite are executed after a given TestCase has finished processing. These methods will be invoked 1 time for every TestCase associated to the suite.
  11. 11.
    AfterAll methods defined on the TestSuite are executed when a given suite has finished processing. These methods will only be invoked 1 time per TestSuite. Only one TestSuite instance will be created for each suite processed so there is no need for this to be a static method.
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