Add copyright checker for ament_index_python files (#44)

* Add copyright checker for ament_index_python files

Signed-off-by: Jorge J. Perez <jjperez@ekumenlabs.com>

* Fix correct copyright date

Signed-off-by: Jorge J. Perez <jjperez@ekumenlabs.com>

ament_index_python/package.xml

@@ -9,6 +9,7 @@
   <maintainer email="dthomas@osrfoundation.org">Dirk Thomas</maintainer>
   <license>Apache License 2.0</license>
 
+  <test_depend>ament_copyright</test_depend>
   <test_depend>ament_flake8</test_depend>
   <test_depend>ament_pep257</test_depend>
   <test_depend>python3-pytest</test_depend>

ament_index_python/test/test_copyright.py

@@ -0,0 +1,23 @@
+# Copyright 2020 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'