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# encoding: utf-8
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"""Tests for IPython.utils.module_paths.py"""
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#-----------------------------------------------------------------------------
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# Copyright (C) 2008-2011 The IPython Development Team
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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import os
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import shutil
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import sys
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import tempfile
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from os.path import join, abspath, split
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from IPython.testing.tools import make_tempfile
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import IPython.utils.module_paths as mp
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import nose.tools as nt
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env = os.environ
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TEST_FILE_PATH = split(abspath(__file__))[0]
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TMP_TEST_DIR = tempfile.mkdtemp(suffix='with.dot')
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#
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# Setup/teardown functions/decorators
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#
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old_syspath = sys.path
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def make_empty_file(fname):
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open(fname, 'w').close()
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def setup_module():
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"""Setup testenvironment for the module:
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"""
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# Do not mask exceptions here. In particular, catching WindowsError is a
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# problem because that exception is only defined on Windows...
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os.makedirs(join(TMP_TEST_DIR, "xmod"))
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os.makedirs(join(TMP_TEST_DIR, "nomod"))
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make_empty_file(join(TMP_TEST_DIR, "xmod/__init__.py"))
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make_empty_file(join(TMP_TEST_DIR, "xmod/sub.py"))
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make_empty_file(join(TMP_TEST_DIR, "pack.py"))
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make_empty_file(join(TMP_TEST_DIR, "packpyc.pyc"))
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sys.path = [TMP_TEST_DIR]
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def teardown_module():
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"""Teardown testenvironment for the module:
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- Remove tempdir
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- restore sys.path
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"""
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# Note: we remove the parent test dir, which is the root of all test
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# subdirs we may have created. Use shutil instead of os.removedirs, so
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# that non-empty directories are all recursively removed.
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shutil.rmtree(TMP_TEST_DIR)
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sys.path = old_syspath
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def test_tempdir():
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"""
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Ensure the test are done with a temporary file that have a dot somewhere.
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"""
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nt.assert_in('.',TMP_TEST_DIR)
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def test_find_mod_1():
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"""
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Search for a directory's file path.
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Expected output: a path to that directory's __init__.py file.
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"""
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modpath = join(TMP_TEST_DIR, "xmod", "__init__.py")
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nt.assert_equal(mp.find_mod("xmod"), modpath)
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def test_find_mod_2():
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"""
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Search for a directory's file path.
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Expected output: a path to that directory's __init__.py file.
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TODO: Confirm why this is a duplicate test.
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"""
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modpath = join(TMP_TEST_DIR, "xmod", "__init__.py")
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nt.assert_equal(mp.find_mod("xmod"), modpath)
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def test_find_mod_3():
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"""
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Search for a directory + a filename without its .py extension
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Expected output: full path with .py extension.
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"""
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modpath = join(TMP_TEST_DIR, "xmod", "sub.py")
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nt.assert_equal(mp.find_mod("xmod.sub"), modpath)
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def test_find_mod_4():
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"""
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Search for a filename without its .py extension
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Expected output: full path with .py extension
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"""
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modpath = join(TMP_TEST_DIR, "pack.py")
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nt.assert_equal(mp.find_mod("pack"), modpath)
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def test_find_mod_5():
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"""
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Search for a filename with a .pyc extension
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Expected output: TODO: do we exclude or include .pyc files?
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"""
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nt.assert_equal(mp.find_mod("packpyc"), None)
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