Tools: Add unit tests for idf.py hints

tools/test_idf_py/test_hints.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+#
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+import os
+import sys
+import tempfile
+import unittest
+
+import yaml
+
+CWD = os.path.join(os.path.dirname(__file__))
+ERR_OUT_YML = os.path.join(CWD, 'error_output.yml')
+
+try:
+    from idf_py_actions.tools import generate_hints
+except ImportError:
+    sys.path.append(os.path.join(CWD, '..'))
+    from idf_py_actions.tools import generate_hints
+
+
+class TestHintsMassages(unittest.TestCase):
+    def test_output(self) -> None:
+        with open(ERR_OUT_YML) as f:
+            error_output = yaml.safe_load(f)
+        for error, hint in error_output.items():
+            with tempfile.NamedTemporaryFile(mode='w') as f:
+                f.write(error)
+                f.flush()
+                for generated_hint in generate_hints(f.name):
+                    self.assertEqual(generated_hint, hint)
+
+
+if __name__ == '__main__':
+    unittest.main()