Feature/error for spdx license and tag

src/ros_license_toolkit/checks.py

@@ -205,7 +205,16 @@ def _check_licenses(self, package: Package) -> None:
                     f"License text file '{license_text_file}' is " +\
                     f"of license {actual_license} but tag is " +\
                     f"{license_tag.get_license_id()}."
-                self.missing_license_texts_status[license_tag] = Status.WARNING
+                # If Tag and File both are in SPDX but don't match -> Error
+                if is_license_name_in_spdx_list(license_tag.get_license_id()):
+                    self.missing_license_texts_status[license_tag] =\
+                        Status.FAILURE
+                else:
+                    self.missing_license_texts_status[license_tag] =\
+                        Status.WARNING
+                self.files_with_wrong_tags[license_tag] = \
+                    {'actual_license': actual_license,
+                        'license_tag': license_tag.get_license_id()}
                 continue
 
     def _evaluate_results(self):

test/systemtest/test_separate_pkgs.py

@@ -189,10 +189,9 @@ def test_pkg_with_multiple_licenses_one_referenced_incorrect(self):
 
     def test_pkg_wrong_license_file(self):
         """Test on a package with a license text file that does not match
-        the license declared in the package.xml."""
-        process, stdout = open_subprocess("test_pkg_wrong_license_file")
-        self.assertEqual(os.EX_OK, process.returncode)
-        self.assertIn(b"WARNING", stdout)
+        the license declared in the package.xml, both tag and file in spdx"""
+        self.assertEqual(os.EX_DATAERR, main(
+            ["test/_test_data/test_pkg_wrong_license_file"]))
 
 
 def open_subprocess(test_data_name: str):