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#!/usr/bin/env python
# Copyright 2016 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 decorators
import logging
import unittest
from trace_test import TraceTest
#from .trace_test import TraceTest
def generator():
yield 1
yield 2
class DecoratorTests(unittest.TestCase):
def test_tracing_object_fails(self):
self.assertRaises(Exception, lambda: decorators.trace(1))
self.assertRaises(Exception, lambda: decorators.trace(""))
self.assertRaises(Exception, lambda: decorators.trace([]))
def test_tracing_generators_fail(self):
self.assertRaises(Exception, lambda: decorators.trace(generator))
class ClassToTest(object):
@decorators.traced
def method1(self):
return 1
@decorators.traced
def method2(self):
return 1
@decorators.traced
def traced_func():
return 1
class DecoratorTests(TraceTest):
def _get_decorated_method_name(self, f):
res = self.go(f)
events = res.findEventsOnThread(res.findThreadIds()[0])
# Sanity checks.
self.assertEquals(2, len(events))
self.assertEquals(events[0]["name"], events[1]["name"])
return events[1]["name"]
def test_func_names_work(self):
expected_method_name = __name__ + '.traced_func'
self.assertEquals(expected_method_name,
self._get_decorated_method_name(traced_func))
def test_method_names_work(self):
ctt = ClassToTest()
self.assertEquals('ClassToTest.method1',
self._get_decorated_method_name(ctt.method1))
self.assertEquals('ClassToTest.method2',
self._get_decorated_method_name(ctt.method2))
if __name__ == '__main__':
logging.getLogger().setLevel(logging.DEBUG)
unittest.main(verbosity=2)
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