def test_overrides(self):
"""
The L{pep302Mapper} supports overriding its mappings with a dict.
"""
pep302Mapper._oldSysModules = sys.modules.copy()
fakeMath = object()
m = pep302Mapper.withOverrides({"math": fakeMath})
self.assertTrue(m.contains("math"))
self.assertTrue(m.contains("sys"))
assertIdentical(self, m.lookup("math"), fakeMath)
assertIdentical(self, m.lookup("sys"), sys)
def test_overrides(self):
"""
The L{pep302Mapper} supports overriding its mappings with a dict.
"""
pep302Mapper._oldSysModules = sys.modules.copy()
fakeMath = object()
m = pep302Mapper.withOverrides({"math": fakeMath})
self.assertTrue(m.contains("math"))
self.assertTrue(m.contains("sys"))
assertIdentical(self, m.lookup("math"), fakeMath)
assertIdentical(self, m.lookup("sys"), sys)
def test_loadWithLocalImports(self):
"""
Execution of local imports are resolved in the context the
containing module was originally loaded in.
"""
class fakeUtil:
utilName = "booo"
class tpli:
util = fakeUtil
m = pep302Mapper.withOverrides(
{"exocet.test.testpackage_localimports": tpli})
foo = loadNamed("exocet.test.testpackage_localimports.foo", m)
self.assertEqual(foo.fooName, [])
util2 = foo.do()
self.assertEqual(foo.fooName[0], fakeUtil.utilName)
self.assertEqual(util2.utilName, fakeUtil.utilName)