import email.utils import sys import types import unittest import zlib import mock import pytest import mitogen.core import testlib class ImporterMixin(testlib.RouterMixin): modname = None def setUp(self): super(ImporterMixin, self).setUp() self.context = mock.Mock() self.importer = mitogen.core.Importer(self.router, 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.send_await.return_value = None self.assertRaises(ImportError, lambda: self.importer.load_module(self.modname)) def test_module_added_to_sys_modules(self): self.context.send_await.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.send_await.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.send_await.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.send_await.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.send_await.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.send_await.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.send_await.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.send_await.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.send_await.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.send_await.return_value = self.response mod = self.importer.load_module(self.modname) self.assertEquals(mod.__path__, []) def test_module_package_set(self): self.context.send_await.return_value = self.response mod = self.importer.load_module(self.modname) self.assertEquals(mod.__package__, self.modname) def test_module_data(self): self.context.send_await.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.RouterMixin, 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