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# Copyright (c) 2008-2016 Szczepan Faber, Serhiy Oplakanets, Herr Kaste
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import pytest
import sys
from .test_base import TestBase
from mockito import (
when, spy, spy2, verify, VerificationError, verifyZeroInteractions)
import time
class Dummy(object):
def foo(self):
return "foo"
def bar(self):
raise TypeError
def return_args(self, *args, **kwargs):
return (args, kwargs)
@classmethod
def class_method(cls, arg):
return arg
class SpyingTest(TestBase):
def testPreservesReturnValues(self):
dummy = Dummy()
spiedDummy = spy(dummy)
self.assertEqual(dummy.foo(), spiedDummy.foo())
def testPreservesSideEffects(self):
dummy = spy(Dummy())
self.assertRaises(TypeError, dummy.bar)
def testPassesArgumentsCorrectly(self):
dummy = spy(Dummy())
self.assertEqual((('foo', 1), {'bar': 'baz'}),
dummy.return_args('foo', 1, bar='baz'))
def testIsVerifiable(self):
dummy = spy(Dummy())
dummy.foo()
verify(dummy).foo()
self.assertRaises(VerificationError, verify(dummy).bar)
def testVerifyZeroInteractionsWorks(self):
dummy = spy(Dummy())
verifyZeroInteractions(dummy)
def testRaisesAttributeErrorIfNoSuchMethod(self):
original = Dummy()
dummy = spy(original)
try:
dummy.lol()
self.fail("Should fail if no such method.")
except AttributeError as e:
self.assertEqual("You tried to call method 'lol' which '%s' "
"instance does not have." % original, str(e))
def testIsInstanceFakesOriginalClass(self):
dummy = spy(Dummy())
assert isinstance(dummy, Dummy)
def testHasNiceRepr(self):
dummy = spy(Dummy())
assert repr(dummy) == "<SpiedDummy id=%s>" % id(dummy)
def testCallClassmethod(self):
dummy = spy(Dummy)
assert dummy.class_method('foo') == 'foo'
verify(dummy).class_method('foo')
@pytest.mark.xfail(
sys.version_info >= (3,),
reason="python3 allows any value for self"
)
def testCantCallInstanceMethodWhenSpyingClass(self):
dummy = spy(Dummy)
with pytest.raises(TypeError):
dummy.return_args('foo')
def testModuleFunction(self):
import time
dummy = spy(time)
assert dummy.time() is not None
verify(dummy).time()
class TestSpy2:
def testA(self):
dummy = Dummy()
spy2(dummy.foo)
assert dummy.foo() == 'foo'
verify(dummy).foo()
def testB(self):
spy2(Dummy.class_method)
assert Dummy.class_method('foo') == 'foo'
verify(Dummy).class_method('foo')
def testModule(self):
spy2(time.time)
assert time.time() is not None
verify(time).time()
def testEnsureStubbedResponseForSpecificInvocation(self):
dummy = Dummy()
spy2(dummy.return_args)
when(dummy).return_args('foo').thenReturn('fox')
assert dummy.return_args('bar') == (('bar',), {})
assert dummy.return_args('box') == (('box',), {})
assert dummy.return_args('foo') == 'fox'
def testEnsureStubOrder(self):
dummy = Dummy()
when(dummy).return_args(Ellipsis).thenReturn('foo')
when(dummy).return_args('fox').thenReturn('fix')
assert dummy.return_args('bar') == 'foo'
assert dummy.return_args('box') == 'foo'
assert dummy.return_args('fox') == 'fix'
def testSpyOnClass(self):
spy2(Dummy.foo)
assert Dummy().foo() == 'foo'
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