fix(check_caret_rclcpp): skip check_caret_rclcpp for ROS Distributions after iron

ros2caret/verb/check_caret_rclcpp.py

@@ -71,6 +71,7 @@ class RclcppCheck():
 
     def __init__(self, root_dir_path: str) -> None:
         RclcppCheck._ensure_dir_exist(root_dir_path)
+        RclcppCheck._validate_ros_distribution(root_dir_path)
 
         get_package_name = RclcppCheck._create_get_package_name(root_dir_path)
         ros_obj_paths = RclcppCheck._get_obj_paths(root_dir_path)
@@ -171,6 +172,15 @@ def _ensure_dir_exist(path: str):
                      'where the build command completed.')
         exit(1)
 
+    @staticmethod
+    def _validate_ros_distribution(path: str):
+        distribution = os.environ['ROS_DISTRO']
+        if distribution[0] < 'i':
+            return
+        logger.info('There is no need to build packages '
+                    f'using caret-rclcpp under ROS 2 {distribution}.')
+        exit(0)
+
     @staticmethod
     def get_package_name_from_path(root_dir_path: str, path: str) -> str:
         package_name = path.replace(root_dir_path, '').split('/')[0]

test/verb/test_check_caret_rclcpp.py

@@ -21,6 +21,8 @@ class TestCheckCaretRclcpp:
 
     def test_file_exist(self, caplog, mocker):
         mocker.patch('os.path.exists', return_value=True)
+        mocker.patch('ros2caret.verb.check_caret_rclcpp.RclcppCheck._validate_ros_distribution',
+                     return_value=None)
         mocker.patch(
             'ros2caret.verb.check_caret_rclcpp.RclcppCheck._get_obj_paths', return_value=[])
         RclcppCheck('')
@@ -30,6 +32,8 @@ def test_file_exist(self, caplog, mocker):
 
     def test_ng_case(self, caplog, mocker):
         mocker.patch('os.path.exists', return_value=True)
+        mocker.patch('ros2caret.verb.check_caret_rclcpp.RclcppCheck._validate_ros_distribution',
+                     return_value=None)
         base_path = 'ros2caret.verb.check_caret_rclcpp.RclcppCheck.'
         mocker.patch(base_path+'_get_obj_paths', return_value=[''])
         mocker.patch(base_path+'_has_caret_rclcpp_tp', return_value=False)
@@ -40,6 +44,8 @@ def test_ng_case(self, caplog, mocker):
         assert record.levelno == WARNING
 
     def test_ok_case(self, caplog, mocker):
+        mocker.patch('ros2caret.verb.check_caret_rclcpp.RclcppCheck._validate_ros_distribution',
+                     return_value=None)
         mocker.patch('os.path.exists', return_value=True)
         base_path = 'ros2caret.verb.check_caret_rclcpp.RclcppCheck.'
         mocker.patch(base_path+'_get_obj_paths', return_value=[''])
@@ -69,3 +75,14 @@ def test_get_package_name(self):
 
         get_package_name = RclcppCheck._create_get_package_name('foo/bar/')
         assert get_package_name('foo/bar/baz') == 'baz'
+
+    def test_validate_ros_distribution(self, mocker, caplog):
+        mocker.patch('os.path.exists', return_value=True)
+        mocker.patch.dict('os.environ', {'ROS_DISTRO': 'iron'})
+
+        try:
+            RclcppCheck('')
+        except SystemExit:
+            assert len(caplog.records) == 1
+            assert 'There is no need to build packages ' \
+                'using caret-rclcpp under ROS 2 iron.' in caplog.messages[0]