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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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