Add app config switch

Author: ConorPKeegan

mbed/mbed.py

@@ -2077,9 +2077,10 @@ def compile_(toolchain=None, target=None, options=False, compile_library=False,
     dict(name=['-o', '--options'], action='append', help='Compile options. Examples: "debug-info": generate debugging information; "small-build" to use microlib/nanolib, but limit RTOS to single thread; "save-asm": save the asm generated by the compiler'),
     dict(name=['-c', '--clean'], action='store_true', help='Clean the build directory before compiling'),
     dict(name='--test-spec', dest="test_spec", help="Path used for the test spec file used when building and running tests (the default path is the build directory)"),
+    dict(name='--app-config', dest="app_config", help="Path of an app configuration file (Default is to look for 'mbed_app.json')"),
     help='Find, build and run tests',
     description=("Find, build, and run tests in a program and libraries"))
-def test_(toolchain=None, target=None, compile_list=False, run_list=False, compile_only=False, run_only=False, tests_by_name=None, source=False, options=False, build=False, clean=False, test_spec=None):
+def test_(toolchain=None, target=None, compile_list=False, run_list=False, compile_only=False, run_only=False, tests_by_name=None, source=False, options=False, build=False, clean=False, test_spec=None, app_config=None):
     # Gather remaining arguments
     args = remainder
     # Find the root of the program
@@ -2121,6 +2122,7 @@ def test_(toolchain=None, target=None, compile_list=False, run_list=False, compi
                   + list(chain.from_iterable(izip(repeat('--source'), source)))
                   + (['-n', tests_by_name] if tests_by_name else [])
                   + (['-v'] if verbose else [])
+                  + (['--app-config', app_config] if app_config else [])
                   + args,
                   env=env)
 
@@ -2135,20 +2137,23 @@ def test_(toolchain=None, target=None, compile_list=False, run_list=False, compi
                   + ['--test-spec', test_spec]
                   + (['-n', tests_by_name] if tests_by_name else [])
                   + (['-v'] if verbose else [])
+                  + (['--app-config', app_config] if app_config else [])
                   + args,
                   env=env)
 
         if run_list:
             popen(['mbedgt', '--test-spec', test_spec, '--list']
                   + (['-n', tests_by_name] if tests_by_name else [])
                   + (['-V'] if verbose else [])
+                  + (['--app-config', app_config] if app_config else [])
                   + args,
                   env=env)
 
         if run_only or build_and_run_tests:
             popen(['mbedgt', '--test-spec', test_spec]
                   + (['-n', tests_by_name] if tests_by_name else [])
                   + (['-V'] if verbose else [])
+                  + (['--app-config', app_config] if app_config else [])
                   + args,
                   env=env)