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# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import json
import os
import shutil
import tempfile
import zipfile
from telemetry.internal.platform.profiler import trace_profiler
from telemetry.testing import tab_test_case
class TestTraceProfiler(tab_test_case.TabTestCase):
def testTraceProfiler(self):
try:
out_dir = tempfile.mkdtemp()
profiler = trace_profiler.TraceProfiler(
self._browser._browser_backend,
self._browser._platform_backend,
os.path.join(out_dir, 'trace'),
{})
result = profiler.CollectProfile()[0]
self.assertTrue(zipfile.is_zipfile(result))
with zipfile.ZipFile(result) as z:
self.assertEquals(len(z.namelist()), 1)
with z.open(z.namelist()[0]) as f:
json.load(f)
finally:
shutil.rmtree(out_dir)
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