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"""Tests for argument matching."""
# pylint: disable=missing-docstring,no-member
import re
from flexmock import exceptions, flexmock
from flexmock._api import flexmock_teardown
from tests import some_module
from tests.some_module import SomeClass
from tests.utils import assert_raises
class ArgumentMatchingTestCase:
def test_arg_matching_works_with_regexp(self):
class Foo:
def method(self, arg1, arg2):
pass
instance = Foo()
flexmock(instance).should_receive("method").with_args(
re.compile("^arg1.*asdf$"), arg2=re.compile("f")
).and_return("mocked")
assert instance.method("arg1somejunkasdf", arg2="aadsfdas") == "mocked"
def test_arg_matching_with_regexp_fails_when_regexp_doesnt_match_karg(self):
class Foo:
def method(self, arg1, arg2):
pass
instance = Foo()
flexmock(instance).should_receive("method").with_args(
re.compile("^arg1.*asdf$"), arg2=re.compile("a")
).and_return("mocked")
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
' Received call:\tmethod("arg1somejunkasdfa", arg2="a")\n'
" Expected call[1]:\tmethod(arg2=/a/, arg1=/^arg1.*asdf$/)"
),
):
instance.method("arg1somejunkasdfa", arg2="a")
def test_arg_matching_with_regexp_fails_when_regexp_doesnt_match_kwarg(self):
class Foo:
def method(self, arg1, arg2):
pass
instance = Foo()
flexmock(instance).should_receive("method").with_args(
re.compile("^arg1.*asdf$"), arg2=re.compile("a")
).and_return("mocked")
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
' Received call:\tmethod("arg1somejunkasdf", arg2="b")\n'
" Expected call[1]:\tmethod(arg2=/a/, arg1=/^arg1.*asdf$/)"
),
):
instance.method("arg1somejunkasdf", arg2="b")
def test_module_level_function_with_kwargs(self):
flexmock(some_module).should_receive("module_function").with_args(1, y="expected")
with assert_raises(
exceptions.FlexmockError,
(
"Arguments for call module_function did not match expectations:\n"
' Received call:\tmodule_function(1, y="not expected")\n'
' Expected call[1]:\tmodule_function(y="expected", x=1)'
),
):
some_module.module_function(1, y="not expected")
def test_flexmock_should_match_types_on_multiple_arguments(self):
class Foo:
def method(self, arg1, arg2):
pass
instance = Foo()
flexmock(instance).should_receive("method").with_args(str, int).and_return("ok")
assert instance.method("some string", 12) == "ok"
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
" Received call:\tmethod(12, 32)\n"
" Expected call[1]:\tmethod(arg1=<class 'str'>, arg2=<class 'int'>)"
),
):
instance.method(12, 32)
flexmock(instance).should_receive("method").with_args(str, int).and_return("ok")
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
' Received call:\tmethod(12, "some string")\n'
" Expected call[1]:\tmethod(arg1=<class 'str'>, arg2=<class 'int'>)\n"
" Expected call[2]:\tmethod(arg1=<class 'str'>, arg2=<class 'int'>)"
),
):
instance.method(12, "some string")
flexmock(instance).should_receive("method").with_args(str, int).and_return("ok")
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
' Received call:\tmethod("string", 12, 14)\n'
" Expected call[1]:\tmethod(arg1=<class 'str'>, arg2=<class 'int'>)\n"
" Expected call[2]:\tmethod(arg1=<class 'str'>, arg2=<class 'int'>)\n"
" Expected call[3]:\tmethod(arg1=<class 'str'>, arg2=<class 'int'>)"
),
):
instance.method("string", 12, 14)
def test_flexmock_should_match_types_on_multiple_arguments_generic(self):
class Foo:
def method(self, a, b, c): # pylint: disable=invalid-name
pass
instance = Foo()
flexmock(instance).should_receive("method").with_args(object, object, object).and_return(
"ok"
)
assert instance.method("some string", None, 12) == "ok"
assert instance.method((1,), None, 12) == "ok"
assert instance.method(12, 14, []) == "ok"
assert instance.method("some string", "another one", False) == "ok"
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
' Received call:\tmethod("string", 12)\n'
" Expected call[1]:\tmethod(a=<class 'object'>, "
"b=<class 'object'>, c=<class 'object'>)"
),
):
instance.method("string", 12) # pylint: disable=no-value-for-parameter
flexmock_teardown()
flexmock(instance).should_receive("method").with_args(object, object, object).and_return(
"ok"
)
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
' Received call:\tmethod("string", 12, 13, 14)\n'
" Expected call[1]:\tmethod(a=<class 'object'>, "
"b=<class 'object'>, c=<class 'object'>)"
),
):
instance.method("string", 12, 13, 14)
def test_flexmock_should_match_types_on_multiple_arguments_classes(self):
class Foo:
def method(self, a, b): # pylint: disable=invalid-name
pass
class Bar:
pass
foo_instance = Foo()
bar_instance = Bar()
flexmock(foo_instance).should_receive("method").with_args(object, Bar).and_return("ok")
assert foo_instance.method("some string", bar_instance) == "ok"
with assert_raises(
exceptions.MethodSignatureError,
re.compile(
"Arguments for call method did not match expectations:\n"
r' Received call:\tmethod\(.+\.<locals>\.Bar object at 0x.+>, "some string"\)\n'
r" Expected call\[1\]:\tmethod\(a=<class 'object'>, b=<class.+\.<locals>\.Bar'>\)"
),
):
foo_instance.method(bar_instance, "some string")
flexmock_teardown()
flexmock(foo_instance).should_receive("method").with_args(object, Bar).and_return("ok")
with assert_raises(
exceptions.MethodSignatureError,
re.compile(
"Arguments for call method did not match expectations:\n"
r' Received call:\tmethod\(12, "some string"\)\n'
r" Expected call\[1\]:\tmethod\(a=<class 'object'>, b=<class.+\.<locals>\.Bar'>\)"
),
):
foo_instance.method(12, "some string")
def test_flexmock_should_match_keyword_arguments(self):
class Foo:
def method(self, arg1, **kwargs):
pass
instance = Foo()
flexmock(instance).should_receive("method").with_args(1, arg3=3, arg2=2).twice()
instance.method(1, arg2=2, arg3=3)
instance.method(1, arg3=3, arg2=2)
flexmock_teardown()
flexmock(instance).should_receive("method").with_args(1, arg3=3, arg2=2)
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
" Received call:\tmethod(arg2=2, arg3=3)\n"
" Expected call[1]:\tmethod(arg3=3, arg2=2, arg1=1)"
),
):
instance.method(arg2=2, arg3=3) # pylint: disable=no-value-for-parameter
flexmock_teardown()
flexmock(instance).should_receive("method").with_args(1, arg3=3, arg2=2)
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
" Received call:\tmethod(1, arg2=2, arg3=4)\n"
" Expected call[1]:\tmethod(arg3=3, arg2=2, arg1=1)"
),
):
instance.method(1, arg2=2, arg3=4)
flexmock_teardown()
flexmock(instance).should_receive("method").with_args(1, arg3=3, arg2=2)
with assert_raises(
exceptions.MethodSignatureError,
(
"Arguments for call method did not match expectations:\n"
" Received call:\tmethod(1)\n"
" Expected call[1]:\tmethod(arg3=3, arg2=2, arg1=1)"
),
):
instance.method(1)
def test_flexmock_should_call_should_match_keyword_arguments(self):
class Foo:
def method(self, arg1, arg2=None, arg3=None):
return f"{arg1}{arg2}{arg3}"
instance = Foo()
flexmock(instance).should_call("method").with_args(1, arg3=3, arg2=2).once()
assert instance.method(1, arg2=2, arg3=3) == "123"
def test_with_args_with_instance_method(self):
flexmock(SomeClass).should_receive("instance_method_with_args").with_args("red").once()
flexmock(SomeClass).should_receive("instance_method_with_args").with_args("blue").once()
instance = SomeClass()
instance.instance_method_with_args("red")
instance.instance_method_with_args("blue")
def test_with_args_with_class_method(self):
flexmock(SomeClass).should_receive("class_method_with_args").with_args("red").once()
flexmock(SomeClass).should_receive("class_method_with_args").with_args("blue").once()
SomeClass.class_method_with_args("red")
SomeClass.class_method_with_args("blue")
def test_with_args_with_static_method(self):
flexmock(SomeClass).should_receive("static_method_with_args").with_args("red").once()
flexmock(SomeClass).should_receive("static_method_with_args").with_args("blue").once()
SomeClass.static_method_with_args("red")
SomeClass.static_method_with_args("blue")
|
