How To Fix CDS_UNIT_MESSAGE103 - The test double '&1' not found

SAP Error Message - Details

• Message type: E = Error

• Message class: CDS_UNIT_MESSAGE - Message Class

• Message number: 103

• Message text: The test double '&1' not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CDS_UNIT_MESSAGE103 - The test double '&1' not found ?

  The SAP error message CDS_UNIT_MESSAGE103 with the description "The test double '&1' not found" typically occurs in the context of Core Data Services (CDS) when you are working with unit tests for CDS views or when using test doubles in your ABAP code.
  Cause:
  This error usually indicates that the test double (a mock or stub used in unit testing) specified in your test case is not defined or cannot be found. This can happen due to several reasons:
  
  The test double was not created or registered properly.
  There is a typo in the name of the test double.
  The test double is not in the correct scope or context where it is being referenced.
  The test double might have been deleted or renamed after the test case was written.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Test Double Definition: Ensure that the test double you are trying to use is defined correctly in your test class. Verify that it is created and initialized properly.
  
  
  Verify Naming: Double-check the name of the test double in your test case. Make sure there are no typos or discrepancies in the naming.
  
  
  Scope and Context: Ensure that the test double is accessible in the context where you are trying to use it. If it is defined in a different class or method, make sure it is properly referenced.
  
  
  Recreate Test Double: If the test double was deleted or modified, recreate it according to your testing requirements.
  
  
  Review Documentation: If you are using a specific framework or library for unit testing, refer to the documentation to ensure you are following the correct procedures for creating and using test doubles.
  
  
  Debugging: If the issue persists, consider adding debugging statements or breakpoints to trace the execution flow and see where the test double is expected but not found.
  
  
  Related Information:
  
  Unit Testing in ABAP: Familiarize yourself with the principles of unit testing in ABAP, especially how to create and use test doubles.
  Core Data Services (CDS): Understand the structure and usage of CDS views, as well as how they interact with ABAP code.
  SAP Notes and Community: Check SAP Notes or the SAP Community for any known issues or additional guidance related to this error message.
  
  By following these steps, you should be able to identify and resolve the issue related to the CDS_UNIT_MESSAGE103 error.