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14_ABAP_Unit_Tests.md
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@@ -30,7 +30,7 @@ This cheat sheet contains basic information about [unit testing](https://help.sa
- In ABAP, developers have [ABAP Unit](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abenabap_unit_glosry.htm) - a test tool integrated into the ABAP runtime framework - at their disposal. It can be used to run individual or mass tests, and to evaluate test results. Note that comprehensive test runs can be performed using the [ABAP Test Cockpit](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abenabap_test_cockpit_glosry.htm)
- In ABAP programs, individual unit tests are implemented as [test methods](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abentest_method_glosry.htm) of local [test classes](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abentest_class_glosry.htm).
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## High-Level Steps for ABAP Unit Tests
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> **💡 Note**<br>
> Of course, if there are no dependend-on components in your production code, you can skip the considerations of dependency isolation, test doubles and their injection into the production code.
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## Creating Test Classes
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ENDCLASS.
```
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## Creating and Implementing Test Methods
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ENDCLASS.
```
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### Special Methods for Implementing the Test Fixture
- Special private methods for implementing the test [fixture](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abenfixture_glosry.htm), which may include test data and test objects among others, can be included in the local test class.
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> **💡 Note**<br>
> You can also specify helper methods, for example, for recurring tasks such as the assertions.
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## Handling Dependencies
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- Parameter injection: The test double is passed as a parameter to the tested method (i.e. an optional importing parameter) in the class under test.
- Back door injection: A *back door* is created to inject a test double into the class under test. This *back door* is implemented by granting [friendship](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abenfriend_glosry.htm) to the test class. This makes internal attributes of the class under test accessible from the test class.
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### Test Seams
- Seams are sections of the production source code that can be dynamically included or replaced.
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...
```
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## Running and Evaluating ABAP Unit Tests
There are many ways to run ABAP unit tests as described [here](https://help.sap.com/docs/ABAP_PLATFORM_NEW/c238d694b825421f940829321ffa326a/4ec4c6c66e391014adc9fffe4e204223.html?locale=en-US).
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For more information about evaluating ABAP unit test results, see [here](https://help.sap.com/docs/ABAP_PLATFORM_NEW/c238d694b825421f940829321ffa326a/4ec49c5b6e391014adc9fffe4e204223.html?locale=en-US).
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## More Information
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- [Testing repository objects](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abentest_relations.htm) (ABAP Keyword Documentation)
- [Development Guide for the ABAP RESTful Application Programming Model: Testing different artifacts of RAP business objects and related OData services](https://help.sap.com/docs/btp/sap-abap-restful-application-programming-model/test?locale=en-US)
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## Executable Example
[zcl_demo_abap_unit_test](./src/zcl_demo_abap_unit_test.clas.abap)