class bigapp_app_unit_test definition for testing.
  private section.
    class-data:
      mif_app type ref to zbigapp_if_cntrl.
    class–methods:
      class_setup.
    methods:
      test_printing for testing.
endclass.
class bigapp_app_unit_test implementation.
  method class_setup.

    data:
      lif_mod type ref to zbigapp_if_model.


* safe in the knowledge that the app will use the test configuration
* and any other test injectables we have, such as database persistence
* overriding classes or a dummy user interface implementation.
    test_mode.

* instantiate the application model. The injection is performed

* inside of this call.

    lif_mod = zbigapp_cl_model_fact=>load(
      exporting
        i_key = ‘0042/DMO/000/00’ ).

* instantiate the application controller.
    mif_app = zbigapp_cl_cntrl_fact=>create(
      exporting
        i_model = lif_mod ).

  endmethod.

  method test_printing.

* make sure the test device is configured for the app.
* the real IMG configuration may have an alternative value
* for the current user, but the test configuration class
* overrides this so weuse a specific device during testing.


    cl_aunit_assert=>assert_equals(
      act = mif_app->m_device
      exp = ‘TEST_DEVICE’
      msg = ‘Test device was not configured for application’).


* tell the application to print some data.
    mif_app->action( zbigapp_if_cntrl=>mcc_print ).


* check our test device to see whether the data was ok.
    cl_aunit_assert=>assert_equals(
      act = zbigapp_test_device=>m_printdata_ok( )
      exp = ‘X’
      msg = ‘Test device reports print data was not ok’).
  endmethod.
endclass.