[WIP] DevToolsClientBackend with tracing API.

tools/telemetry/telemetry/core/backends/chrome/tracing_backend_unittest.py

Index: tools/telemetry/telemetry/core/backends/chrome/tracing_backend_unittest.py
diff --git a/tools/telemetry/telemetry/core/backends/chrome/tracing_backend_unittest.py b/tools/telemetry/telemetry/core/backends/chrome/tracing_backend_unittest.py
deleted file mode 100644
index a3788174cc04ffd5323031d5547f462ec6b5f5f7..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/core/backends/chrome/tracing_backend_unittest.py
+++ /dev/null
@@ -1,105 +0,0 @@
-# Copyright 2013 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 cStringIO
-import json
-import unittest
-
-from telemetry import decorators
-from telemetry.core import util
-from telemetry.core.platform import tracing_category_filter
-from telemetry.core.platform import tracing_options
-from telemetry.timeline import model
-from telemetry.timeline import tracing_timeline_data
-from telemetry.unittest_util import tab_test_case
-
-
-class TracingBackendTest(tab_test_case.TabTestCase):
-
-  def _StartServer(self):
-    self._browser.SetHTTPServerDirectories(util.GetUnittestDataDir())
-
-  def setUp(self):
-    super(TracingBackendTest, self).setUp()
-    self._tracing_controller = self._browser.platform.tracing_controller
-    if not self._tracing_controller.IsChromeTracingSupported():
-      self.skipTest('Browser does not support tracing, skipping test.')
-    self._StartServer()
-
-  @decorators.Disabled('chromeos') # crbug.com/412713.
-  def testGotTrace(self):
-    options = tracing_options.TracingOptions()
-    options.enable_chrome_trace = True
-    self._tracing_controller.Start(
-      options, tracing_category_filter.TracingCategoryFilter())
-    trace_data = self._tracing_controller.Stop()
-    # Test that trace data is parsable
-    model.TimelineModel(trace_data)
-
-  @decorators.Disabled('chromeos') # crbug.com/412713.
-  def testStartAndStopTraceMultipleTimes(self):
-    options = tracing_options.TracingOptions()
-    options.enable_chrome_trace = True
-    self._tracing_controller.Start(
-      options, tracing_category_filter.TracingCategoryFilter())
-    self.assertFalse(self._tracing_controller.Start(
-      options, tracing_category_filter.TracingCategoryFilter()))
-    trace_data = self._tracing_controller.Stop()
-    # Test that trace data is parsable
-    model.TimelineModel(trace_data)
-    self.assertFalse(self._tracing_controller.is_tracing_running)
-    # Calling stop again will raise exception
-    self.assertRaises(Exception, self._tracing_controller.Stop)
-
-
-class ChromeTraceResultTest(unittest.TestCase):
-  def __init__(self, method_name):
-    super(ChromeTraceResultTest, self).__init__(method_name)
-
-  def testWrite1(self):
-    ri = tracing_timeline_data.TracingTimelineData(map(json.loads, []))
-    f = cStringIO.StringIO()
-    ri.Serialize(f)
-    v = f.getvalue()
-
-    j = json.loads(v)
-    assert 'traceEvents' in j
-    self.assertEquals(j['traceEvents'], [])
-
-  def testWrite2(self):
-    ri = tracing_timeline_data.TracingTimelineData(map(json.loads, [
-        '"foo"',
-        '"bar"']))
-    f = cStringIO.StringIO()
-    ri.Serialize(f)
-    v = f.getvalue()
-
-    j = json.loads(v)
-    assert 'traceEvents' in j
-    self.assertEquals(j['traceEvents'], ['foo', 'bar'])
-
-  def testWrite3(self):
-    ri = tracing_timeline_data.TracingTimelineData(map(json.loads, [
-        '"foo"',
-        '"bar"',
-        '"baz"']))
-    f = cStringIO.StringIO()
-    ri.Serialize(f)
-    v = f.getvalue()
-
-    j = json.loads(v)
-    assert 'traceEvents' in j
-    self.assertEquals(j['traceEvents'],
-                      ['foo', 'bar', 'baz'])
-
-  def testBrowserProcess(self):
-    ri = tracing_timeline_data.TracingTimelineData(map(json.loads, [
-        '{"name": "process_name",'
-        '"args": {"name": "Browser"},'
-        '"pid": 5, "ph": "M"}',
-        '{"name": "thread_name",'
-        '"args": {"name": "CrBrowserMain"},'
-        '"pid": 5, "tid": 32578, "ph": "M"}']))
-    timeline_model = model.TimelineModel(ri)
-    self.assertEquals(timeline_model.browser_process.pid, 5)