startop: Add test for trace_analyzer

Test: pytest run_app_with_prefetch_test.py
Bug: 137398235
Change-Id: I19f9e798073a7af1ebc6d668a64782b16cfeeffd

1 files changed, 66 insertions, 0 deletions

diff --git a/startop/scripts/trace_analyzer/trace_analyzer_test.py b/startop/scripts/trace_analyzer/trace_analyzer_test.py
new file mode 100644
index 000000000000..579529c6f6d5
--- /dev/null
+++ b/startop/scripts/trace_analyzer/trace_analyzer_test.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+#
+# Copyright 2019, The Android Open Source Project
+#
+# 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.
+#
+
+"""
+Unit tests for trace_analyzer module.
+
+Install:
+  $> sudo apt-get install python3-pytest   ##  OR
+  $> pip install -U pytest
+See also https://docs.pytest.org/en/latest/getting-started.html
+
+Usage:
+  $> pytest trace_analyzer_test.py
+
+See also https://docs.pytest.org/en/latest/usage.html
+"""
+
+# global imports
+import os
+import sys
+
+DIR = os.path.abspath(os.path.dirname(__file__))
+
+sys.path.append(os.path.dirname(DIR))
+import lib.cmd_utils as cmd_utils
+
+def test_trace_analyzer(tmpdir):
+  # Setup
+  bin = os.path.join(DIR, 'trace_analyzer')
+  systrace = os.path.join(DIR, 'test_fixtures/common_systrace')
+  db_file = tmpdir.mkdir('trace_analyzer').join('test.db')
+
+  # Act
+  passed, output = cmd_utils.execute_arbitrary_command([bin, systrace,
+                                                        str(db_file)],
+                                                       timeout=300,
+                                                       shell=False,
+                                                       simulate=False)
+
+  # Assert
+  assert passed
+  assert output == """\
+'blocked_iowait_duration_ms',\
+'process_name',\
+'launching_duration_ms',\
+'launching_started_timestamp_ms',\
+'launching_finished_timestamp_ms'
+81.697999999960302375,\
+'com.google.android.dialer',\
+594.99400000095192808,\
+14594219.85600000061,\
+14594814.85000000149"""