Create unit test to test metadata parser

Author: vatsalghelani-csa

scripts/tests/py/test_metadata.py

@@ -0,0 +1,27 @@
+import unittest
+from metadata import Metadata
+from metadata import Metadata_Reader
+
+
+class TestMetadataReader(unittest.TestCase):
+    # build the test Metadata_Reader object
+    #defines expected arguments associated with runs
+    def setUp(self):
+
+        # build the reader object
+        self.reader=Metadata_Reader("/src/python_testing", "/scripts/tests/py/env.yaml")
+        self.actual_runs_metadata = self.reader.get_runs_metadata()
+        self.expected_runs_metadata = {}
+
+        self.expected_runs_metadata["/src/python_testing/TC_RR_1_1.py+run1"] = Metadata(app="out/linux-x64-all-clusters-ipv6only-no-ble-no-wifi-tsan-clang-test/chip-all-clusters-app",
+                   discriminator=1234, py_script_path="/src/python_testing/TC_RR_1_1.py", run="run1", passcode=20202021)
+        
+    # gets the metadata associated with each run by parsing the test script and compares it to the expected metadata values
+    def test_case1(self):
+        for actual_run in self.actual_runs_metadata:
+            self.assertEqual(self.actual_runs_metadata[actual_run], self.expected_runs_metadata[actual_run])
+
+    
+if __name__=="__main__":
+    unittest.main()
+