Upstream version 9.38.198.0

[platform/framework/web/crosswalk.git] / src / tools / telemetry / telemetry / unittest / decorators_unittest.py

diff --git a/src/tools/telemetry/telemetry/unittest/decorators_unittest.py b/src/tools/telemetry/telemetry/unittest/decorators_unittest.py
index 0487f34..a88ce35 100644 (file)
--- a/src/tools/telemetry/telemetry/unittest/decorators_unittest.py
+++ b/src/tools/telemetry/telemetry/unittest/decorators_unittest.py
@@ -6,9 +6,15 @@ import unittest
 
 from telemetry import decorators
 
+_counter = 0
+
 
 class Foo(object):
-  pass
+  @decorators.Cache
+  def GetCountCached(self, _):
+    global _counter
+    _counter = _counter + 1
+    return _counter
 
 
 def CreateFooUncached(_):
@@ -21,6 +27,7 @@ def CreateFooCached(_):
 
 
 class DecoratorsUnitTest(unittest.TestCase):
+  # pylint: disable=C0102
 
   def testCacheDecorator(self):
     self.assertNotEquals(CreateFooUncached(1), CreateFooUncached(2))
@@ -28,3 +35,24 @@ class DecoratorsUnitTest(unittest.TestCase):
 
     self.assertNotEquals(CreateFooUncached(1), CreateFooUncached(1))
     self.assertEquals(CreateFooCached(1), CreateFooCached(1))
+
+  def testCacheableMemberCachesOnlyForSameArgs(self):
+    foo = Foo()
+    value_of_one = foo.GetCountCached(1)
+
+    self.assertEquals(value_of_one, foo.GetCountCached(1))
+    self.assertNotEquals(value_of_one, foo.GetCountCached(2))
+
+  def testCacheableMemberHasSeparateCachesForSiblingInstances(self):
+    foo = Foo()
+    sibling_foo = Foo()
+
+    self.assertNotEquals(foo.GetCountCached(1), sibling_foo.GetCountCached(1))
+
+  def testCacheableMemberHasSeparateCachesForNextGenerationInstances(self):
+    foo = Foo()
+    last_generation_count = foo.GetCountCached(1)
+    foo = None
+    foo = Foo()
+
+    self.assertNotEquals(last_generation_count, foo.GetCountCached(1))