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Side by Side Diff: tools/android/adb_profile_chrome/trace_packager_unittest.py

Issue 402803005: Move adb_profile_chrome to profile_chrome. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase Created 6 years, 5 months ago
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1 # Copyright 2014 The Chromium Authors. All rights reserved.
2 # Use of this source code is governed by a BSD-style license that can be
3 # found in the LICENSE file.
4
5 from adb_profile_chrome import trace_packager
6
7 import json
8 import tempfile
9 import unittest
10
11
12 class TracePackagerTest(unittest.TestCase):
13 def testJsonTraceMerging(self):
14 t1 = {'traceEvents': [{'ts': 123, 'ph': 'b'}]}
15 t2 = {'traceEvents': [], 'stackFrames': ['blah']}
16
17 # Both trace files will be merged to a third file and will get deleted in
18 # the process, so there's no need for NamedTemporaryFile to do the
19 # deletion.
20 with tempfile.NamedTemporaryFile(delete=False) as f1, \
21 tempfile.NamedTemporaryFile(delete=False) as f2:
22 f1.write(json.dumps(t1))
23 f2.write(json.dumps(t2))
24 f1.flush()
25 f2.flush()
26
27 with tempfile.NamedTemporaryFile() as output:
28 trace_packager.PackageTraces([f1.name, f2.name],
29 output.name,
30 compress=False,
31 write_json=True)
32 with open(output.name) as output:
33 output = json.load(output)
34 self.assertEquals(output['traceEvents'], t1['traceEvents'])
35 self.assertEquals(output['stackFrames'], t2['stackFrames'])
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