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"""
Test for import machinery
"""
import unittest
import sys
import textwrap
import subprocess
import os
from modulegraph import modulegraph
class TestModuleGraphImport (unittest.TestCase):
if not hasattr(unittest.TestCase, 'assertIsInstance'):
def assertIsInstance(self, value, types):
if not isinstance(value, types):
self.fail("%r is not an instance of %r"%(value, types))
def setUp(self):
self.root = os.path.join(
os.path.dirname(os.path.abspath(__file__)),
'testpkg-relimport2')
self.mf = modulegraph.ModuleGraph(path=[ self.root ] + sys.path)
def test_init_as_script(self):
self.mf.run_script(os.path.join(self.root, 'pkg/__init__.py'))
n = self.mf.findNode('mod1')
self.assertIs(n, None)
n = self.mf.findNode('mod2')
self.assertIsInstance(n, modulegraph.MissingModule)
def test_subpkg_bad_import(self):
self.mf.import_hook('pkg.sub')
n = self.mf.findNode('toplevel')
self.assertIs(n, None)
n = self.mf.findNode('pkg.mod1')
self.assertIsInstance(n, modulegraph.SourceModule)
n = self.mf.findNode('pkg.mod3')
self.assertIsInstance(n, modulegraph.SourceModule)
if __name__ == "__main__":
unittest.main()
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