mitogen/tests/importer_test.py

128 lines
4.4 KiB
Python

import email.utils
import sys
import types
import unittest
import zlib
import mock
import pytest
import mitogen.core
import testlib
class ImporterMixin(object):
modname = None
def setUp(self):
super(ImporterMixin, self).setUp()
self.context = mock.Mock()
self.importer = mitogen.core.Importer(self.context)
def tearDown(self):
sys.modules.pop(self.modname, None)
super(ImporterMixin, self).tearDown()
class LoadModuleTest(ImporterMixin, unittest.TestCase):
data = zlib.compress("data = 1\n\n")
path = 'fake_module.py'
modname = 'fake_module'
response = (None, path, data)
def test_no_such_module(self):
self.context.enqueue_await_reply.return_value = None
self.assertRaises(ImportError,
lambda: self.importer.load_module(self.modname))
def test_module_added_to_sys_modules(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertTrue(sys.modules[self.modname] is mod)
self.assertTrue(isinstance(mod, types.ModuleType))
def test_module_file_set(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertEquals(mod.__file__, 'master:' + self.path)
def test_module_loader_set(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertTrue(mod.__loader__ is self.importer)
def test_module_package_unset(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertTrue(mod.__package__ is None)
class LoadSubmoduleTest(ImporterMixin, unittest.TestCase):
data = zlib.compress("data = 1\n\n")
path = 'fake_module.py'
modname = 'mypkg.fake_module'
response = (None, path, data)
def test_module_package_unset(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertEquals(mod.__package__, 'mypkg')
class LoadModulePackageTest(ImporterMixin, unittest.TestCase):
data = zlib.compress("func = lambda: 1\n\n")
path = 'fake_pkg/__init__.py'
modname = 'fake_pkg'
response = ([], path, data)
def test_module_file_set(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertEquals(mod.__file__, 'master:' + self.path)
def test_get_filename(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
filename = mod.__loader__.get_filename(self.modname)
self.assertEquals('master:fake_pkg/__init__.py', filename)
def test_get_source(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
source = mod.__loader__.get_source(self.modname)
self.assertEquals(source, zlib.decompress(self.data))
def test_module_loader_set(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertTrue(mod.__loader__ is self.importer)
def test_module_path_present(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertEquals(mod.__path__, [])
def test_module_package_set(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertEquals(mod.__package__, self.modname)
def test_module_data(self):
self.context.enqueue_await_reply.return_value = self.response
mod = self.importer.load_module(self.modname)
self.assertTrue(isinstance(mod.func, types.FunctionType))
self.assertEquals(mod.func.__module__, self.modname)
class EmailParseAddrSysTest(testlib.BrokerMixin, unittest.TestCase):
@pytest.fixture(autouse=True)
def initdir(self, caplog):
self.caplog = caplog
def test_sys_module_not_fetched(self):
# An old version of core.Importer would request the email.sys module
# while executing email.utils.parseaddr(). Ensure this needless
# roundtrip has not reappeared.
pass