mbed test: add argument `--ignore` to allow passing in extra mbedignore args

In particular this allows ignoring a project main.cpp file when running unit tests

tools/build_api.py

@@ -502,7 +502,7 @@ def build_project(src_paths, build_path, target, toolchain_name,
                   notify=None, name=None, macros=None, inc_dirs=None, jobs=1,
                   report=None, properties=None, project_id=None,
                   project_description=None, config=None,
-                  app_config=None, build_profile=None, stats_depth=None):
+                  app_config=None, build_profile=None, stats_depth=None, ignore=None):
     """ Build a project. A project may be a test or a user program.
 
     Positional arguments:
@@ -529,6 +529,7 @@ def build_project(src_paths, build_path, target, toolchain_name,
     app_config - location of a chosen mbed_app.json file
     build_profile - a dict of flags that will be passed to the compiler
     stats_depth - depth level for memap to display file/dirs
+    ignore - list of paths to add to mbedignore
     """
 
     # Convert src_path to a list if needed
@@ -548,6 +549,10 @@ def build_project(src_paths, build_path, target, toolchain_name,
         clean=clean, jobs=jobs, notify=notify, config=config,
         app_config=app_config, build_profile=build_profile)
 
+    if ignore:
+        toolchain.add_ignore_patterns(root=".", base_path=".",
+                                      patterns=ignore)
+
     # The first path will give the name to the library
     name = (name or toolchain.config.name or
             basename(normpath(abspath(src_paths[0]))))
@@ -643,7 +648,7 @@ def build_library(src_paths, build_path, target, toolchain_name,
                   archive=True, notify=None, macros=None, inc_dirs=None, jobs=1,
                   report=None, properties=None, project_id=None,
                   remove_config_header_file=False, app_config=None,
-                  build_profile=None):
+                  build_profile=None, ignore=None):
     """ Build a library
 
     Positional arguments:
@@ -668,6 +673,7 @@ def build_library(src_paths, build_path, target, toolchain_name,
     remove_config_header_file - delete config header file when done building
     app_config - location of a chosen mbed_app.json file
     build_profile - a dict of flags that will be passed to the compiler
+    ignore - list of paths to add to mbedignore
     """
 
     # Convert src_path to a list if needed
@@ -693,6 +699,10 @@ def build_library(src_paths, build_path, target, toolchain_name,
         clean=clean, jobs=jobs, notify=notify, app_config=app_config,
         build_profile=build_profile)
 
+    if ignore:
+        toolchain.add_ignore_patterns(root=".", base_path=".",
+                                      patterns=ignore)
+
     # The first path will give the name to the library
     if name is None:
         name = basename(normpath(abspath(src_paths[0])))

tools/test.py

@@ -112,6 +112,9 @@ if __name__ == '__main__':
                             default=2,
                             help="Depth level for static memory report")
 
+        parser.add_argument("--ignore", dest="ignore", type=argparse_many(str),
+                          default=None, help="Comma separated list of patterns to add to mbedignore (eg. ./main.cpp)")
+
         options = parser.parse_args()
 
         # Filter tests by path if specified
@@ -153,6 +156,7 @@ if __name__ == '__main__':
         if not config:
             config = get_default_config(options.source_dir or ['.'], mcu)
 
+
         # Find all tests in the relevant paths
         for path in all_paths:
             all_tests.update(find_tests(path, mcu, toolchain,
@@ -205,7 +209,8 @@ if __name__ == '__main__':
                               macros=options.macros,
                               notify=notify, archive=False,
                               app_config=config,
-                              build_profile=profile)
+                              build_profile=profile,
+                              ignore=options.ignore)
 
                 library_build_success = True
             except ToolException as e:
@@ -233,7 +238,8 @@ if __name__ == '__main__':
                         continue_on_build_fail=options.continue_on_build_fail,
                         app_config=config,
                         build_profile=profile,
-                        stats_depth=options.stats_depth)
+                        stats_depth=options.stats_depth,
+                        ignore=options.ignore)
 
                 # If a path to a test spec is provided, write it to a file
                 if options.test_spec:

tools/test_api.py

@@ -2210,7 +2210,7 @@ def build_tests(tests, base_source_paths, build_path, target, toolchain_name,
                 clean=False, notify=None, jobs=1, macros=None,
                 silent=False, report=None, properties=None,
                 continue_on_build_fail=False, app_config=None,
-                build_profile=None, stats_depth=None):
+                build_profile=None, stats_depth=None, ignore=None):
     """Given the data structure from 'find_tests' and the typical build parameters,
     build all the tests