Add test for time_diff_to_str

tracetools_analysis/test/test_utils.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+# Copyright 2019 Apex.AI, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import unittest
+
+from tracetools_analysis import time_diff_to_str
+
+
+class TestUtils(unittest.TestCase):
+
+    def __init__(self, *args) -> None:
+        super().__init__(
+            *args,
+        )
+
+    def test_time_diff_to_str(self) -> None:
+        self.assertEqual('11 ms', time_diff_to_str(0.0106))
+        self.assertEqual('6.9 s', time_diff_to_str(6.9069))
+        self.assertEqual('1 m 10 s', time_diff_to_str(69.6969))
+        self.assertEqual('6 m 10 s', time_diff_to_str(369.6969))
+        self.assertEqual('2 m 0 s', time_diff_to_str(120.499999999))