def test_string(self):
"""
It will return different values at each call.
Value is Unicode.
"""
self.assertNotEqual(
mk.string(),
mk.string(),
)
self.assertIsInstance(newstr, mk.string())
def test_assertWorkingFolderIsClean_with_file_and_folder(self):
"""
An error is raised if current working folder contains a temporary
folder and file, and folder and folder is cleaned.
"""
file_name = mk.string()
folder_name = mk.string()
open(mk.fs.getEncodedPath(file_name), 'a').close()
os.mkdir(mk.fs.getEncodedPath(folder_name))
self.check_assertWorkingFolderIsClean([file_name, folder_name])
def test_assertWorkingFolderIsClean_with_file(self):
"""
An error is raised if current working folder contains a temporary
file and file is cleaned.
"""
name = mk.string()
open(mk.fs.getEncodedPath(name), 'a').close()
self.check_assertWorkingFolderIsClean([name])
def test_Mock(self):
"""
It creates a generic mock object.
"""
value = mk.string()
mock = self.Mock(return_value=value)
self.assertEqual(value, mock())
def test_assertWorkingFolderIsClean_with_folder(self):
"""
An error is raised if current working folder contains a temporary
folder and folder is cleaned.
"""
# Our compat filesystem API does not support creating files in
# current working directory so we use direct API call to OS.
name = mk.string()
os.mkdir(mk.fs.getEncodedPath(name))
self.check_assertWorkingFolderIsClean([name])
def test_patch(self):
"""
It can be used for patching classes.
"""
value = mk.string()
with self.patch(
'chevah.empirical.tests.normal.test_testcase.Dummy.method',
return_value=value,
):
instance = Dummy()
self.assertEqual(value, instance.method())
# After exiting the context, the value is restored.
instance = Dummy()
self.assertEqual(Dummy._value, instance.method())
def test_patchObject(self):
"""
It can be used for patching an instance of an object.
"""
value = mk.string()
one_instance = Dummy()
with self.patchObject(
one_instance, 'method', return_value=value):
self.assertEqual(value, one_instance.method())
# All other instances are not affected.
new_instance = Dummy()
self.assertEqual(Dummy._value, new_instance.method())
# After exiting the context, the value is restored.
self.assertEqual(Dummy._value, one_instance.method())
