diff --git a/src/validation_workflow/rpm/validation_rpm.py b/src/validation_workflow/rpm/validation_rpm.py
index 22ccc1e156..b29ede4690 100644
--- a/src/validation_workflow/rpm/validation_rpm.py
+++ b/src/validation_workflow/rpm/validation_rpm.py
@@ -105,7 +105,7 @@ def validate_metadata(self, product_type: str) -> None:
                     assert meta_map.get(key) == 'aarch64'
             else:
                 assert meta_map.get(key) == value
-                logging.info(f"Meta data for {key} is validated")
+                logging.info(f"Meta data for {key} -> {value} is validated")
         logging.info(f"Validation for {product_type} meta data of RPM distribution completed.")
 
     def validate_signature(self) -> None:
diff --git a/tests/tests_validation_workflow/test_validation_rpm.py b/tests/tests_validation_workflow/test_validation_rpm.py
index f22e089178..10a9151b1b 100644
--- a/tests/tests_validation_workflow/test_validation_rpm.py
+++ b/tests/tests_validation_workflow/test_validation_rpm.py
@@ -210,27 +210,60 @@ def test_cleanup(self, mock_temporary_directory: Mock, mock_validation_args: Moc
         result = validate_rpm.cleanup()
         self.assertTrue(result)
 
+    @patch('validation_workflow.rpm.validation_rpm.execute')
+    @patch('validation_workflow.rpm.validation_rpm.logging.info')
+    def test_validate_metadata_opensearch(self, mock_logging_info: Mock, mock_execute: Mock) -> None:
+        mock_execute.return_value = (None,
+                                     'Name        : opensearch\n'
+                                     'Version     : 1.2.0\n'
+                                     'Architecture : x86_64\n'
+                                     'Group       : Application/Internet\n'
+                                     'License     : Apache-2.0\n'
+                                     'Relocations : (not relocatable)\n'
+                                     'URL         : https://opensearch.org/\n'
+                                     'Summary     : An open source distributed and RESTful search engine\n'
+                                     'Description:\nOpenSearch makes it easy to ingest, search, visualize, and analyze your data\n'
+                                     'For more information, see: https://opensearch.org/',
+                                     None)
+
+        mock_validation_args = Mock()
+        mock_validation_args.version = '1.2.0'
+        mock_validation_args.arch = 'x64'
+
+        mock_temporary_directory = Mock()
+        mock_temporary_directory.path = "/tmp/fakepath"
+
+        validate_rpm = ValidateRpm(mock_validation_args, mock_temporary_directory)
+        validate_rpm.filename = 'opensearch.rpm'
+
+        validate_rpm.validate_metadata('opensearch')
+
+        mock_logging_info.assert_any_call("Meta data for Name -> opensearch is validated")
+        mock_logging_info.assert_any_call("Meta data for Version -> 1.2.0 is validated")
+        mock_logging_info.assert_any_call(
+            "Meta data for Description -> OpenSearch makes it easy to ingest, search, visualize, and analyze your data\nFor more information, see: https://opensearch.org/ is validated")
+        mock_logging_info.assert_any_call("Validation for opensearch meta data of RPM distribution completed.")
+        mock_execute.assert_called_once_with('rpm -qip /tmp/fakepath/opensearch.rpm', '.')
+
+
     @patch('validation_workflow.rpm.validation_rpm.execute')
     @patch('validation_workflow.rpm.validation_rpm.logging.info')
     @patch('validation_workflow.rpm.validation_rpm.ValidationArgs')
     @patch('system.temporary_directory.TemporaryDirectory')
-    def test_validate_metadata(self, mock_temporary_directory: Mock, mock_validation_args: Mock, mock_logging_info: Mock, mock_execute: Mock) -> None:
-        mock_execute.return_value = (None, 'Name: opensearch\nVersion: 1.2.3\nArchitecture: x86_64\nDescription: This is a test application\n'
-                                           ' "OpenSearch makes it easy to ingest, search, visualize, and analyze your data\nFor more information, see: https://opensearch.org/', None)
+    def test_validate_metadata_exception(self, mock_temporary_directory: Mock, mock_validation_args: Mock,
+                               mock_logging_info: Mock, mock_execute: Mock) -> None:
+        mock_execute.return_value = (
+        None, 'Name: opensearch\nVersion: 1.2.3\nArchitecture: x86_64\nURL: https://opensearch.org/Summary: '
+              'An open source distributed and RESTful search engine\nDescription: This is a test application\n'
+              ' "OpenSearch makes it easy to ingest, search, visualize, and analyze your data\nFor more information, see: https://opensearch.org/',None)
 
         validate_rpm = ValidateRpm(mock_validation_args.return_value, mock_temporary_directory.return_value)
         mock_temporary_directory.return_value.path = "/tmp/trytytyuit/"
         validate_rpm.filename = 'example.rpm'
         validate_rpm.args.version = '1.3.0'
         validate_rpm.args.arch = "x64"
-
-        validate_rpm.validate_metadata('opensearch')
-
-        mock_logging_info.assert_any_call('Meta data for Name is validated')
-        mock_logging_info.assert_any_call('Meta data for Version is validated')
-        mock_logging_info.assert_any_call('Meta data for Architecture is validated')
-        mock_logging_info.assert_any_call('Meta data for Description is validated')
-        mock_logging_info.assert_any_call('Validation for opensearch meta data of RPM distribution completed.')
+        with self.assertRaises(Exception) as context:
+            validate_rpm.validate_metadata('opensearch')
 
         mock_execute.assert_called_once_with(
             'rpm -qip /tmp/trytytyuit/example.rpm', '.'
@@ -241,7 +274,8 @@ def test_validate_metadata(self, mock_temporary_directory: Mock, mock_validation
     @patch('validation_workflow.rpm.validation_rpm.ValidationArgs')
     @patch('system.temporary_directory.TemporaryDirectory')
     def test_validate_signature(self, mock_temporary_directory: Mock, mock_validation_args: Mock, mock_logging_info: Mock, mock_execute: Mock) -> None:
-        mock_execute.return_value = (None, 'Header SHA256 digest: OK\nPayload SHA256 digest: OK\n', None)
+        mock_execute.return_value = (None, 'Header V4 RSA/SHA512 Signature, key ID 9310d3fc: OK\nHeader SHA1 digest: OK\nV4 RSA/SHA512 Signature, key ID 9310d3fc: OK\n'
+                                           'MD5 digest: OK\nHeader SHA256 digest: OK\nPayload SHA256 digest: OK\n', None)
 
         validate_rpm = ValidateRpm(mock_validation_args.return_value, mock_temporary_directory.return_value)
         mock_temporary_directory.return_value.path = "/tmp/trytytyuit/"
@@ -256,3 +290,52 @@ def test_validate_signature(self, mock_temporary_directory: Mock, mock_validatio
         mock_execute.assert_called_once_with(
             'rpm -K -v /tmp/trytytyuit/example.rpm', '.'
         )
+
+    @patch('validation_workflow.rpm.validation_rpm.execute')
+    @patch('validation_workflow.rpm.validation_rpm.logging.info')
+    @patch('validation_workflow.rpm.validation_rpm.ValidationArgs')
+    @patch('system.temporary_directory.TemporaryDirectory')
+    def test_validate_signature_exception(self, mock_temporary_directory: Mock, mock_validation_args: Mock, mock_logging_info: Mock, mock_execute: Mock) -> None:
+        mock_execute.return_value = (None, 'Header V4 RSA/SHA512 Signature, key ID 9310d3fc: OK\nHeader SHA1 digest: OK\nV4 RSA/SHA512 Signature, key ID 9310d3fc: OK\n'
+                                           'MD5 digest: not OK\nHeader SHA256 digest: OK\nPayload SHA256 digest: OK\n', None)
+
+        validate_rpm = ValidateRpm(mock_validation_args.return_value, mock_temporary_directory.return_value)
+        mock_temporary_directory.return_value.path = "/tmp/trytytyuit/"
+        validate_rpm.filename = 'example.rpm'
+
+        with self.assertRaises(Exception) as context:
+            validate_rpm.validate_signature()
+
+        mock_execute.assert_called_once_with(
+            'rpm -K -v /tmp/trytytyuit/example.rpm', '.'
+        )
+
+    @patch('validation_workflow.rpm.validation_rpm.execute')
+    @patch('validation_workflow.rpm.validation_rpm.logging.info')
+    @patch('validation_workflow.rpm.validation_rpm.ValidationArgs')
+    @patch('system.temporary_directory.TemporaryDirectory')
+    def test_validate_signature_except(self, mock_temporary_directory: Mock, mock_validation_args: Mock, mock_logging_info: Mock, mock_execute: Mock) -> None:
+        mock_execute.return_value = (None,
+                                     'Header V4 RSA/SHA512 Signature, key ID 9310d3fc: OK\nHeader SHA256 digest: OK\n'
+                                     'Header SHA1 digest: OK\nPayload SHA256 digest: OK\nV4 RSA/SHA512 Signature, key ID 9310d3fc: OK\n',
+                                     None)
+
+        validate_rpm = ValidateRpm(mock_validation_args.return_value, mock_temporary_directory.return_value)
+        mock_temporary_directory.return_value.path = "/tmp/trytytyuit/"
+        validate_rpm.filename = 'example.rpm'
+
+        with self.assertRaises(Exception) as context:
+            validate_rpm.validate_signature()
+        mock_logging_info.assert_any_call('Key digest "Header SHA256 digest" is validated to be present.')
+        mock_logging_info.assert_any_call('Key digest "Payload SHA256 digest" is validated to be present.')
+        mock_logging_info.assert_any_call('Validation of all key digests starts: ')
+        self.assertEqual(str(context.exception), 'Key digest "MD5 digest" is not found')
+
+        mock_execute.assert_called_once_with(
+            'rpm -K -v /tmp/trytytyuit/example.rpm', '.'
+        )
+
+
+
+
+