Add in checks to ament_cppcheck code. (#472)

This just ensures that it conforms to the same style
as the rest of ament_lint.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>

ament_cppcheck/ament_cppcheck/main.py

@@ -67,17 +67,17 @@ def main(argv=sys.argv[1:]):
     parser.add_argument(
         '--libraries',
         nargs='*',
-        help="Library configurations to load in addition to the standard libraries of C and C++."
+        help='Library configurations to load in addition to the standard libraries of C and C++.'
              "Each library is passed to cppcheck as '--library=<library_name>'")
     parser.add_argument(
         '--include_dirs',
         nargs='*',
-        help="Include directories for C/C++ files being checked."
+        help='Include directories for C/C++ files being checked.'
              "Each directory is passed to cppcheck as '-I <include_dir>'")
     parser.add_argument(
         '--exclude',
         nargs='*',
-        help="Exclude C/C++ files from being checked."
+        help='Exclude C/C++ files from being checked.'
              "Each file is passed to cppcheck as '--suppress=*:<file>'")
     parser.add_argument(
         '--language',
@@ -127,7 +127,8 @@ def main(argv=sys.argv[1:]):
         if cppcheck_version == '1.88' or cppcheck_version.startswith('2.'):
             print(
                 f'cppcheck {cppcheck_version} has known performance issues and therefore will not '
-                'be used, set the AMENT_CPPCHECK_ALLOW_SLOW_VERSIONS environment variable to override this.',
+                'be used, set the AMENT_CPPCHECK_ALLOW_SLOW_VERSIONS environment variable to '
+                'override this.',
                 file=sys.stderr,
             )
 
@@ -203,7 +204,7 @@ def main(argv=sys.argv[1:]):
             data = dict(data)
             data['filename'] = filename
             print('[%(filename)s:%(line)d]: (%(severity)s: %(id)s) %(msg)s' % data,
-                file=sys.stderr)
+                  file=sys.stderr)
 
     # output summary
     error_count = sum(len(r) for r in report.values())
@@ -277,10 +278,10 @@ def get_xunit_content(report, testname, elapsed, skip=None):
 
         if skip:
             data = {
-              'quoted_name': quoteattr(filename),
-              'testname': testname,
-              'quoted_message': quoteattr(''),
-              'skip': skip,
+                'quoted_name': quoteattr(filename),
+                'testname': testname,
+                'quoted_message': quoteattr(''),
+                'skip': skip,
             }
             xml += """  <testcase
     name=%(quoted_name)s

ament_cppcheck/package.xml

@@ -20,6 +20,12 @@
 
   <exec_depend>cppcheck</exec_depend>
 
+  <test_depend>ament_copyright</test_depend>
+  <test_depend>ament_flake8</test_depend>
+  <test_depend>ament_pep257</test_depend>
+  <test_depend>ament_pycodestyle</test_depend>
+  <test_depend>python3-pytest</test_depend>
+
   <export>
     <build_type>ament_python</build_type>
   </export>

ament_cppcheck/test/test_copyright.py

@@ -0,0 +1,23 @@
+# Copyright 2021 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_copyright.main import main
+import pytest
+
+
+@pytest.mark.copyright
+@pytest.mark.linter
+def test_copyright():
+    rc = main(argv=['.', 'test'])
+    assert rc == 0, 'Found errors'

ament_cppcheck/test/test_flake8.py

@@ -0,0 +1,25 @@
+# Copyright 2021 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_flake8.main import main_with_errors
+import pytest
+
+
+@pytest.mark.flake8
+@pytest.mark.linter
+def test_flake8():
+    rc, errors = main_with_errors(argv=[])
+    assert rc == 0, \
+        'Found %d code style errors / warnings:\n' % len(errors) + \
+        '\n'.join(errors)

ament_cppcheck/test/test_pep257.py

@@ -0,0 +1,23 @@
+# Copyright 2021 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_pep257.main import main
+import pytest
+
+
+@pytest.mark.linter
+@pytest.mark.pep257
+def test_pep257():
+    rc = main(argv=['.', 'test'])
+    assert rc == 0, 'Found code style errors / warnings'

ament_cppcheck/test/test_pycodestyle.py

@@ -0,0 +1,22 @@
+# Copyright 2021 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_pycodestyle.main import main
+import pytest
+
+
+@pytest.mark.linter
+def test_pycodestyle():
+    rc = main(argv=['.', 'test'])
+    assert rc == 0, 'Found code style errors / warnings'