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BUG=b:233893248
TEST=CQ

Change-Id: I66591d7a738d241aed3290138c0f68065ab10a6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3879174
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Alex Klein <saklein@chromium.org>
diff --git a/api/message_util_unittest.py b/api/message_util_unittest.py
index ec7fe91..767a4a8 100644
--- a/api/message_util_unittest.py
+++ b/api/message_util_unittest.py
@@ -12,95 +12,97 @@
 
 
 class JsonSerializerTest(cros_test_lib.TestCase):
-  """Tests for the JSON serializer."""
+    """Tests for the JSON serializer."""
 
-  def test_serialization(self):
-    """Test json format serialization/deserialization."""
-    serializer = message_util.JsonSerializer()
+    def test_serialization(self):
+        """Test json format serialization/deserialization."""
+        serializer = message_util.JsonSerializer()
 
-    # Build a message.
-    msg = build_api_test_pb2.TestRequestMessage()
-    msg.id = 'foo'
+        # Build a message.
+        msg = build_api_test_pb2.TestRequestMessage()
+        msg.id = "foo"
 
-    # Round trip the message contents through the serializer.
-    serialized = serializer.serialize(msg)
-    deserialized = build_api_test_pb2.TestRequestMessage()
-    serializer.deserialize(serialized, deserialized)
+        # Round trip the message contents through the serializer.
+        serialized = serializer.serialize(msg)
+        deserialized = build_api_test_pb2.TestRequestMessage()
+        serializer.deserialize(serialized, deserialized)
 
-    # Create an identical message manually.
-    source = '{"id":"foo"}'
-    deserialized2 = build_api_test_pb2.TestRequestMessage()
-    serializer.deserialize(source, deserialized2)
+        # Create an identical message manually.
+        source = '{"id":"foo"}'
+        deserialized2 = build_api_test_pb2.TestRequestMessage()
+        serializer.deserialize(source, deserialized2)
 
-    # Make sure the round tripped data is equal, and matches the manually
-    # constructed version.
-    self.assertEqual(deserialized, msg)
-    self.assertEqual(deserialized, deserialized2)
+        # Make sure the round tripped data is equal, and matches the manually
+        # constructed version.
+        self.assertEqual(deserialized, msg)
+        self.assertEqual(deserialized, deserialized2)
 
 
 class BinarySerializerTest(cros_test_lib.TestCase):
-  """Tests for the binary serializer."""
+    """Tests for the binary serializer."""
 
-  def test_serialization(self):
-    """Test binary format serialization/deserialization."""
-    serializer = message_util.BinarySerializer()
+    def test_serialization(self):
+        """Test binary format serialization/deserialization."""
+        serializer = message_util.BinarySerializer()
 
-    # Build a message.
-    msg = build_api_test_pb2.TestRequestMessage()
-    msg.id = 'foo'
+        # Build a message.
+        msg = build_api_test_pb2.TestRequestMessage()
+        msg.id = "foo"
 
-    # Round trip the message contents through the serializer.
-    serialized = serializer.serialize(msg)
-    deserialized = build_api_test_pb2.TestRequestMessage()
-    serializer.deserialize(serialized, deserialized)
+        # Round trip the message contents through the serializer.
+        serialized = serializer.serialize(msg)
+        deserialized = build_api_test_pb2.TestRequestMessage()
+        serializer.deserialize(serialized, deserialized)
 
-    # Make sure the round tripped data is unchanged.
-    self.assertEqual(msg, deserialized)
+        # Make sure the round tripped data is unchanged.
+        self.assertEqual(msg, deserialized)
 
 
 class MessageHandlerTest(cros_test_lib.TempDirTestCase):
-  """MessageHandler tests."""
+    """MessageHandler tests."""
 
-  def test_binary_serialization(self):
-    """Test binary serialization/deserialization."""
-    msg_path = os.path.join(self.tempdir, 'proto')
+    def test_binary_serialization(self):
+        """Test binary serialization/deserialization."""
+        msg_path = os.path.join(self.tempdir, "proto")
 
-    # Use the message handler configured in the module to avoid config drift.
-    handler = message_util.get_message_handler(msg_path,
-                                               message_util.FORMAT_BINARY)
+        # Use the message handler configured in the module to avoid config drift.
+        handler = message_util.get_message_handler(
+            msg_path, message_util.FORMAT_BINARY
+        )
 
-    msg = build_api_test_pb2.TestRequestMessage()
-    msg.id = 'foo'
+        msg = build_api_test_pb2.TestRequestMessage()
+        msg.id = "foo"
 
-    # Round trip the data.
-    self.assertNotExists(msg_path)
-    handler.write_from(msg)
-    self.assertExists(msg_path)
+        # Round trip the data.
+        self.assertNotExists(msg_path)
+        handler.write_from(msg)
+        self.assertExists(msg_path)
 
-    deserialized = build_api_test_pb2.TestRequestMessage()
-    handler.read_into(deserialized)
+        deserialized = build_api_test_pb2.TestRequestMessage()
+        handler.read_into(deserialized)
 
-    # Make sure the data has not mutated.
-    self.assertEqual(msg, deserialized)
+        # Make sure the data has not mutated.
+        self.assertEqual(msg, deserialized)
 
-  def test_json_serialization(self):
-    """Test json serialization/deserialization."""
-    msg_path = os.path.join(self.tempdir, 'proto')
+    def test_json_serialization(self):
+        """Test json serialization/deserialization."""
+        msg_path = os.path.join(self.tempdir, "proto")
 
-    # Use the message handler configured in the module to avoid config drift.
-    handler = message_util.get_message_handler(msg_path,
-                                               message_util.FORMAT_JSON)
+        # Use the message handler configured in the module to avoid config drift.
+        handler = message_util.get_message_handler(
+            msg_path, message_util.FORMAT_JSON
+        )
 
-    msg = build_api_test_pb2.TestRequestMessage()
-    msg.id = 'foo'
+        msg = build_api_test_pb2.TestRequestMessage()
+        msg.id = "foo"
 
-    # Round trip the data.
-    self.assertNotExists(msg_path)
-    handler.write_from(msg)
-    self.assertExists(msg_path)
+        # Round trip the data.
+        self.assertNotExists(msg_path)
+        handler.write_from(msg)
+        self.assertExists(msg_path)
 
-    deserialized = build_api_test_pb2.TestRequestMessage()
-    handler.read_into(deserialized)
+        deserialized = build_api_test_pb2.TestRequestMessage()
+        handler.read_into(deserialized)
 
-    # Make sure the data has not mutated.
-    self.assertEqual(msg, deserialized)
+        # Make sure the data has not mutated.
+        self.assertEqual(msg, deserialized)