def test_loadNamed(self):
"""
Modules can be loaded, by name, independent of global state.
"""
m1 = loadNamed("exocet.test.testpackage.util", emptyMapper)
m1.testAttribute = "a value"
m2 = loadNamed("exocet.test.testpackage.util", emptyMapper)
m2.testAttribute = "a different value"
self.assertFalse(m1 is m2)
self.assertNotEqual(m1.testAttribute, m2.testAttribute)
self.assertFalse(m1 in sys.modules.values())
self.assertFalse(m2 in sys.modules.values())
self.assertEqual(m1.utilName, "hooray")
self.assertEqual(m2.utilName, "hooray")
def test_loadNamed(self):
"""
Modules can be loaded, by name, independent of global state.
"""
m1 = loadNamed("exocet.test.testpackage.util", emptyMapper)
m1.testAttribute = "a value"
m2 = loadNamed("exocet.test.testpackage.util", emptyMapper)
m2.testAttribute = "a different value"
self.assertFalse(m1 is m2)
self.assertNotEqual(m1.testAttribute, m2.testAttribute)
self.assertFalse(m1 in sys.modules.values())
self.assertFalse(m2 in sys.modules.values())
self.assertEqual(m1.utilName, "hooray")
self.assertEqual(m2.utilName, "hooray")
def test_ospath(self):
"""
L{pep302Mapper} deals with modules that import L{os.path} properly.
"""
m = loadNamed("exocet.test._ospathExample", pep302Mapper)
import os.path
assertIdentical(self, os, m.os)
assertIdentical(self, os.path, m.os.path)
def test_ospath(self):
"""
L{pep302Mapper} deals with modules that import L{os.path} properly.
"""
m = loadNamed("exocet.test._ospathExample", pep302Mapper)
import os.path
assertIdentical(self, os, m.os)
assertIdentical(self, os.path, m.os.path)
def test_loadPackageAsModule(self):
"""
Calling L{loadNamed} with the name of a package loads the package and
returns its __init__ module.
"""
m = loadNamed("exocet.test.testpackage", emptyMapper)
self.assertEqual(m.topName, "top value")
self.assertEqual(m.fooName, "hooray")
self.assertEqual(m.utilName, "hooray")
def test_loadPackageAsModule(self):
"""
Calling L{loadNamed} with the name of a package loads the package and
returns its __init__ module.
"""
m = loadNamed("exocet.test.testpackage", emptyMapper)
self.assertEqual(m.topName, "top value")
self.assertEqual(m.fooName, "hooray")
self.assertEqual(m.utilName, "hooray")
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)
