mitogen/tests/call_error_test.py

115 lines
3.5 KiB
Python

import pickle
import sys
import unittest2
import mitogen.core
import testlib
import plain_old_module
class ConstructorTest(testlib.TestCase):
klass = mitogen.core.CallError
def test_string_noargs(self):
e = self.klass('%s%s')
self.assertEquals(e.args[0], '%s%s')
self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
def test_string_args(self):
e = self.klass('%s%s', 1, 1)
self.assertEquals(e.args[0], '11')
self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
def test_from_exc(self):
ve = plain_old_module.MyError('eek')
e = self.klass(ve)
self.assertEquals(e.args[0], 'plain_old_module.MyError: eek')
self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
def test_form_base_exc(self):
ve = SystemExit('eek')
e = self.klass(ve)
cls = ve.__class__
self.assertEquals(e.args[0],
# varies across 2/3.
'%s.%s: eek' % (cls.__module__, cls.__name__))
self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
def test_from_exc_tb(self):
try:
raise plain_old_module.MyError('eek')
except plain_old_module.MyError:
ve = sys.exc_info()[1]
e = self.klass(ve)
self.assertTrue(e.args[0].startswith('plain_old_module.MyError: eek'))
self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
self.assertTrue('test_from_exc_tb' in e.args[0])
def test_bytestring_conversion(self):
e = self.klass(mitogen.core.b('bytes'))
self.assertEquals(u'bytes', e.args[0])
self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
def test_reduce(self):
e = self.klass('eek')
func, (arg,) = e.__reduce__()
self.assertTrue(func is mitogen.core._unpickle_call_error)
self.assertEquals(arg, e.args[0])
class UnpickleCallErrorTest(testlib.TestCase):
func = staticmethod(mitogen.core._unpickle_call_error)
def test_not_unicode(self):
self.assertRaises(TypeError,
lambda: self.func(mitogen.core.b('bad')))
def test_oversized(self):
self.assertRaises(TypeError,
lambda: self.func(mitogen.core.b('b'*10001)))
def test_reify(self):
e = self.func(u'some error')
self.assertEquals(mitogen.core.CallError, type(e))
self.assertEquals(1, len(e.args))
self.assertEquals(mitogen.core.UnicodeType, type(e.args[0]))
self.assertEquals(u'some error', e.args[0])
class PickleTest(testlib.TestCase):
klass = mitogen.core.CallError
def test_string_noargs(self):
e = self.klass('%s%s')
e2 = pickle.loads(pickle.dumps(e))
self.assertEquals(e2.args[0], '%s%s')
def test_string_args(self):
e = self.klass('%s%s', 1, 1)
e2 = pickle.loads(pickle.dumps(e))
self.assertEquals(e2.args[0], '11')
def test_from_exc(self):
ve = plain_old_module.MyError('eek')
e = self.klass(ve)
e2 = pickle.loads(pickle.dumps(e))
self.assertEquals(e2.args[0], 'plain_old_module.MyError: eek')
def test_from_exc_tb(self):
try:
raise plain_old_module.MyError('eek')
except plain_old_module.MyError:
ve = sys.exc_info()[1]
e = self.klass(ve)
e2 = pickle.loads(pickle.dumps(e))
self.assertTrue(e2.args[0].startswith('plain_old_module.MyError: eek'))
self.assertTrue('test_from_exc_tb' in e2.args[0])
if __name__ == '__main__':
unittest2.main()