Introduce TracingController and TracingControllerBackend skeleton

tools/telemetry/telemetry/core/platform/tracing_category_filter_unittest.py

Index: tools/telemetry/telemetry/core/platform/tracing_category_filter_unittest.py
diff --git a/tools/telemetry/telemetry/core/platform/tracing_category_filter_unittest.py b/tools/telemetry/telemetry/core/platform/tracing_category_filter_unittest.py
new file mode 100644
index 0000000000000000000000000000000000000000..3780de0f3ffb85d68bcd816e2b2b307066d51e4a
--- /dev/null
+++ b/tools/telemetry/telemetry/core/platform/tracing_category_filter_unittest.py
@@ -0,0 +1,119 @@
+# Copyright 2014 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 unittest
+
+from telemetry.core.platform import tracing_category_filter
+
+
+class TracingCategoryFilterTests(unittest.TestCase):
+  def testBasic(self):
+    f = tracing_category_filter.TracingCategoryFilter(
+        'x,-y,disabled-by-default-z,DELAY(7;foo)')
+    self.assertEquals(set(['x']), set(f.included_categories))
+    self.assertEquals(set(['y']), set(f.excluded_categories))
+    self.assertEquals(set(['disabled-by-default-z']),
+        set(f.disabled_by_default_categories))
+    self.assertEquals(set(['DELAY(7;foo)']), set(f.synthetic_delays))
+
+    self.assertTrue('x' in f.filter_string)
+    self.assertEquals(
+        'x,disabled-by-default-z,-y,DELAY(7;foo)',
+        f.stable_filter_string)
+
+
+class CategoryFilterTest(unittest.TestCase):
+  def testIsSubset(self):
+    b = tracing_category_filter.TracingCategoryFilter()
+    a = tracing_category_filter.TracingCategoryFilter()
+    self.assertEquals(a.IsSubset(b), True)
+
+    b = tracing_category_filter.TracingCategoryFilter()
+    a = tracing_category_filter.TracingCategoryFilter("test1,test2")
+    self.assertEquals(a.IsSubset(b), True)
+
+    b = tracing_category_filter.TracingCategoryFilter()
+    a = tracing_category_filter.TracingCategoryFilter("-test1,-test2")
+    self.assertEquals(a.IsSubset(b), True)
+
+    b = tracing_category_filter.TracingCategoryFilter("test1,test2")
+    a = tracing_category_filter.TracingCategoryFilter()
+    self.assertEquals(a.IsSubset(b), None)
+
+    b = tracing_category_filter.TracingCategoryFilter()
+    a = tracing_category_filter.TracingCategoryFilter("test*")
+    self.assertEquals(a.IsSubset(b), None)
+
+    b = tracing_category_filter.TracingCategoryFilter("test?")
+    a = tracing_category_filter.TracingCategoryFilter()
+    self.assertEquals(a.IsSubset(b), None)
+
+    b = tracing_category_filter.TracingCategoryFilter("test1")
+    a = tracing_category_filter.TracingCategoryFilter("test1,test2")
+    self.assertEquals(a.IsSubset(b), False)
+
+    b = tracing_category_filter.TracingCategoryFilter("-test1")
+    a = tracing_category_filter.TracingCategoryFilter("test1")
+    self.assertEquals(a.IsSubset(b), False)
+
+    b = tracing_category_filter.TracingCategoryFilter("test1,test2")
+    a = tracing_category_filter.TracingCategoryFilter("test2,test1")
+    self.assertEquals(a.IsSubset(b), True)
+
+    b = tracing_category_filter.TracingCategoryFilter("-test1,-test2")
+    a = tracing_category_filter.TracingCategoryFilter("-test2")
+    self.assertEquals(a.IsSubset(b), False)
+
+    b = tracing_category_filter.TracingCategoryFilter(
+        "disabled-by-default-test1")
+    a = tracing_category_filter.TracingCategoryFilter(
+        "disabled-by-default-test1,disabled-by-default-test2")
+    self.assertEquals(a.IsSubset(b), False)
+
+    b = tracing_category_filter.TracingCategoryFilter(
+        "disabled-by-default-test1")
+    a = tracing_category_filter.TracingCategoryFilter(
+        "disabled-by-default-test2")
+    self.assertEquals(a.IsSubset(b), False)
+
+  def testIsSubsetWithSyntheticDelays(self):
+    b = tracing_category_filter.TracingCategoryFilter("DELAY(foo;0.016)")
+    a = tracing_category_filter.TracingCategoryFilter("DELAY(foo;0.016)")
+    self.assertEquals(a.IsSubset(b), True)
+
+    b = tracing_category_filter.TracingCategoryFilter("DELAY(foo;0.016)")
+    a = tracing_category_filter.TracingCategoryFilter()
+    self.assertEquals(a.IsSubset(b), True)
+
+    b = tracing_category_filter.TracingCategoryFilter()
+    a = tracing_category_filter.TracingCategoryFilter("DELAY(foo;0.016)")
+    self.assertEquals(a.IsSubset(b), False)
+
+    b = tracing_category_filter.TracingCategoryFilter("DELAY(foo;0.016)")
+    a = tracing_category_filter.TracingCategoryFilter("DELAY(foo;0.032)")
+    self.assertEquals(a.IsSubset(b), False)
+
+    b = tracing_category_filter.TracingCategoryFilter(
+        "DELAY(foo;0.016;static)")
+    a = tracing_category_filter.TracingCategoryFilter(
+        "DELAY(foo;0.016;oneshot)")
+    self.assertEquals(a.IsSubset(b), False)
+
+    b = tracing_category_filter.TracingCategoryFilter(
+        "DELAY(foo;0.016),DELAY(bar;0.1)")
+    a = tracing_category_filter.TracingCategoryFilter(
+        "DELAY(bar;0.1),DELAY(foo;0.016)")
+    self.assertEquals(a.IsSubset(b), True)
+
+    b = tracing_category_filter.TracingCategoryFilter(
+        "DELAY(foo;0.016),DELAY(bar;0.1)")
+    a = tracing_category_filter.TracingCategoryFilter(
+        "DELAY(bar;0.1)")
+    self.assertEquals(a.IsSubset(b), True)
+
+    b = tracing_category_filter.TracingCategoryFilter(
+        "DELAY(foo;0.016),DELAY(bar;0.1)")
+    a = tracing_category_filter.TracingCategoryFilter(
+        "DELAY(foo;0.032),DELAY(bar;0.1)")
+    self.assertEquals(a.IsSubset(b), False)