def testRegisterNewPackagePath(self):
# register package paths and import, then register a new package
# path (twobis) and verify B is the new version
packager = package.Packager()
# first show we cannot import mypackage
self.assertRaises(ImportError, self._import, "mypackage")
# register one and two
packager.registerPackagePath(self.onedir, "one", "mypackage")
packager.registerPackagePath(self.twodir, "two", "mypackage")
self._failIfRaises(ImportError, self._import, "mypackage")
import mypackage.B
self.assertEquals(mypackage.B.me, "B")
# now register the twobis dir for key two, so it replaces the previous
packager.registerPackagePath(self.twobisdir, "two", "mypackage")
# package mypackage.B should have been rebuilt
self.failUnless(mypackage.B.__file__.startswith(self.twobisdir))
self.assertEquals(mypackage.B.me, "B bis")
# cleanup and do some imports to verify tearDown clears them
packager.unregister()
import mypackage.A
import mypackage.B
def testRegisterBeforeImportWithPackager(self):
# when registering package paths before having imported anything,
# and using import hooks, we can fix __path__
packager = package.Packager()
# first show we cannot import mypackage
self.assertRaises(ImportError, self._import, "mypackage")
# register both projects
packager.registerPackagePath(self.onedir, "one", "mypackage")
packager.registerPackagePath(self.twodir, "two", "mypackage")
import mypackage
#self._failIfRaises(ImportError, self._import, "mypackage")
# "import mypackage" imported mypackage from twodir, because it
# was added last; but now it has twodir, onedir in its __path__
import mypackage
self.failUnless(mypackage.__file__.startswith(self.twodir))
self.assertEquals(len(mypackage.__path__), 2)
self.failUnless(mypackage.__path__[0].startswith(self.twodir))
self.failUnless(mypackage.__path__[1].startswith(self.onedir))
# this means we can import both mypackage.B and mypackage.A
self._failIfRaises(ImportError, self._import, "mypackage.B")
self._failIfRaises(ImportError, self._import, "mypackage.A")
# cleanup and do some imports to verify tearDown clears them
packager.unregister()
import mypackage.A
import mypackage.B
def testPackagerWithNonePrefix(self):
# see if import hooks don't mess up non prefix hooks
packager = package.Packager()
try:
from xml.dom.html import HTMLDOMImplementation
except ImportError:
return
HTMLDOMImplementation
packager.unregister()