add tests for curl-head and http-headers parsers

tests/test_curl_head.py

@@ -0,0 +1,27 @@
+import unittest
+from tests import utils_for_test as test_utils
+
+# Execute these steps for standard tests:
+# - Save this file as `test_{parser_name}.py` since the helper methods extract parser names from the filename.
+# - Organize fixtures in `tests/fixtures` for optimal structure.
+# - Format fixtures as follows (using double dashes):
+#     - `{parser_name}--{some_test_description}.out` for command output.
+#     - `{parser_name}--{some_test_description}.json` for expected JSON after parsing.
+
+class MyTests(unittest.TestCase):
+
+    def test_curl_head_nodata(self):
+        """
+        Test 'curl_head' with no data
+        """
+        test_utils.run_no_data(self, __file__, [])
+
+    def test_curl_head_all_fixtures(self):
+        """
+        Test 'curl_head' with various fixtures
+        """
+        test_utils.run_all_fixtures(self, __file__)
+
+
+if __name__ == '__main__':
+    unittest.main()