CL_ABAP_UNIT_ASSERT - ABAP Unit: Assertions (see Longtext)

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Functionality

The class CL_ABAP_UNIT_ASSERT contains the following static methods for the verification of test expectations within ABAP Unit test methods:

• ASSERT_EQUALS
  Ensure the equality of two data objects. Please note that the arguments are passed by reference. Regarding the comparison of references to object instances please refer to interface IF_AUNIT_OBJECT.

• ASSERT_EQUALS_FLOAT
  Ensure the equality of two decimal floats with a relative tolerance.

• ASSERT_DIFFERS
  Ensure the value of two data objects not to be equal.

• ASSERT_BOUND
  Ensure whether the reference of a reference variable is valid.

• ASSERT_NOT_BOUND
  Ensure whether the reference of a reference variable is invalid.

• ASSERT_INITIAL
  Ensure that a data object has its initial value.

• ASSERT_NOT_INITIAL
  Ensure that a data object does not have its initial value.

• ASSERT_SUBRC
  Requests specific value of SY-SUBRC.

• ASSERT_TABLE_CONTAINS
  Ensure that a internal table contains a certain line.

• ASSERT_TEXT_MATCHES
  Ensure that a text matches to a regular expression.

• ASSERT_THAT
  Ensure that the actual value adheres to a given Constraint

• FAIL
  Terminate the test with an unconditional error.

• ABORT
  Cancel the test due to a missing prerequisite.

All the methods have the optional importing parameters MSG, LEVEL, and QUIT, which always have the same meaning:

• MSG (Type: CSEQUENCE)
  Contains a more detailed description of the error (if applicable)

• LEVEL (Type: AUNIT_LEVEL)
  Indicates the severity of the error; the following values are possible:

• TOLERABLE - Minor error (may be tolerable)

• CRITICAL - Critical error (default value)

• FATAL - Fatal error

• QUIT (Type: AUNIT_FLOWCTRL)
  Determines the flow control in the case of an error. The following values can be passed:

• NO - No termination in the case of an error; processing of the current method continues after the relevant method is called

• METHOD - The currently processed test method is terminated (default value)

• CLASS - The currently processed test class is terminated

• PROGRAM - The test of the currently processed main program is terminated: The current test class is terminated and all other test classes in the program are ignored.

All the assert methods have the following mandatory importing parameter:

• ACT (Type: Any)
  The object to be verified

The comparing method ASSERT_EQUALS additionally requires a parameter for the expectation:

• EXP (Type: Any)
  The identically expected object

• TOL (Type: f)
  Allows you to compare floating point numbers for the passed tolerance

Further information

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