# Copyright 2016 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import os
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import unittest
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from systrace import decorators
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from systrace import update_systrace_trace_viewer
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SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
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STABLE_VIEWER_PATH = os.path.join(SCRIPT_DIR, 'systrace_trace_viewer.html')
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# Tests presence and content of static HTML files used not only for Python
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# systrace capture, but also Java-based capture in the android SDK tools.
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#
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# NOTE: changes to this file should typically be accompanied by changes to the
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# Android SDK's method of systrace capture.
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class MonitorTest(unittest.TestCase):
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@decorators.HostOnlyTest
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def test_systrace_trace_viewer(self):
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self.assertEqual(STABLE_VIEWER_PATH,
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update_systrace_trace_viewer.SYSTRACE_TRACE_VIEWER_HTML_FILE)
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update_systrace_trace_viewer.update(force_update=True)
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with open(STABLE_VIEWER_PATH) as f:
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content = f.read().strip()
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# expect big html file
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self.assertGreater(5 * 1024 * 1024, len(content))
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self.assertEqual('<', content[0])
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os.remove(f.name)
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@decorators.HostOnlyTest
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def test_prefix(self):
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with open(os.path.join(SCRIPT_DIR, 'prefix.html')) as f:
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content = f.read().strip()
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self.assertTrue("<html>" in content)
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self.assertTrue("<title>Android System Trace</title>" in content)
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self.assertTrue("{{SYSTRACE_TRACE_VIEWER_HTML}}" in content)
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@decorators.HostOnlyTest
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def test_suffix(self):
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with open(os.path.join(SCRIPT_DIR, 'suffix.html')) as f:
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content = f.read().strip()
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self.assertTrue("</html>" in content)
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