281 lines
7.7 KiB
Python
281 lines
7.7 KiB
Python
import __future__
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import os
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import unittest
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import distutils.dir_util
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import tempfile
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from test import test_support
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try: set
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except NameError: from sets import Set as set
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import modulefinder
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# Note: To test modulefinder with Python 2.2, sets.py and
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# modulefinder.py must be available - they are not in the standard
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# library.
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TEST_DIR = tempfile.mkdtemp()
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TEST_PATH = [TEST_DIR, os.path.dirname(__future__.__file__)]
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# Each test description is a list of 5 items:
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#
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# 1. a module name that will be imported by modulefinder
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# 2. a list of module names that modulefinder is required to find
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# 3. a list of module names that modulefinder should complain
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# about because they are not found
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# 4. a list of module names that modulefinder should complain
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# about because they MAY be not found
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# 5. a string specifying packages to create; the format is obvious imo.
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#
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# Each package will be created in TEST_DIR, and TEST_DIR will be
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# removed after the tests again.
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# Modulefinder searches in a path that contains TEST_DIR, plus
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# the standard Lib directory.
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maybe_test = [
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"a.module",
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["a", "a.module", "sys",
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"b"],
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["c"], ["b.something"],
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"""\
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a/__init__.py
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a/module.py
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from b import something
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from c import something
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b/__init__.py
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from sys import *
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"""]
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maybe_test_new = [
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"a.module",
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["a", "a.module", "sys",
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"b", "__future__"],
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["c"], ["b.something"],
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"""\
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a/__init__.py
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a/module.py
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from b import something
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from c import something
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b/__init__.py
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from __future__ import absolute_import
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from sys import *
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"""]
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package_test = [
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"a.module",
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["a", "a.b", "a.c", "a.module", "mymodule", "sys"],
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["blahblah"], [],
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"""\
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mymodule.py
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a/__init__.py
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import blahblah
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from a import b
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import c
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a/module.py
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import sys
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from a import b as x
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from a.c import sillyname
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a/b.py
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a/c.py
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from a.module import x
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import mymodule as sillyname
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from sys import version_info
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"""]
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absolute_import_test = [
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"a.module",
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["a", "a.module",
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"b", "b.x", "b.y", "b.z",
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"__future__", "sys", "exceptions"],
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["blahblah"], [],
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"""\
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mymodule.py
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a/__init__.py
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a/module.py
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from __future__ import absolute_import
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import sys # sys
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import blahblah # fails
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import exceptions # exceptions
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import b.x # b.x
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from b import y # b.y
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from b.z import * # b.z.*
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a/exceptions.py
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a/sys.py
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import mymodule
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a/b/__init__.py
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a/b/x.py
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a/b/y.py
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a/b/z.py
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b/__init__.py
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import z
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b/unused.py
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b/x.py
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b/y.py
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b/z.py
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"""]
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relative_import_test = [
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"a.module",
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["__future__",
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"a", "a.module",
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"a.b", "a.b.y", "a.b.z",
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"a.b.c", "a.b.c.moduleC",
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"a.b.c.d", "a.b.c.e",
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"a.b.x",
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"exceptions"],
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[], [],
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"""\
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mymodule.py
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a/__init__.py
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from .b import y, z # a.b.y, a.b.z
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a/module.py
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from __future__ import absolute_import # __future__
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import exceptions # exceptions
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a/exceptions.py
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a/sys.py
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a/b/__init__.py
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from ..b import x # a.b.x
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#from a.b.c import moduleC
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from .c import moduleC # a.b.moduleC
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a/b/x.py
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a/b/y.py
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a/b/z.py
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a/b/g.py
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a/b/c/__init__.py
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from ..c import e # a.b.c.e
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a/b/c/moduleC.py
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from ..c import d # a.b.c.d
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a/b/c/d.py
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a/b/c/e.py
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a/b/c/x.py
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"""]
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relative_import_test_2 = [
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"a.module",
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["a", "a.module",
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"a.sys",
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"a.b", "a.b.y", "a.b.z",
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"a.b.c", "a.b.c.d",
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"a.b.c.e",
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"a.b.c.moduleC",
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"a.b.c.f",
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"a.b.x",
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"a.another"],
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[], [],
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"""\
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mymodule.py
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a/__init__.py
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from . import sys # a.sys
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a/another.py
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a/module.py
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from .b import y, z # a.b.y, a.b.z
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a/exceptions.py
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a/sys.py
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a/b/__init__.py
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from .c import moduleC # a.b.c.moduleC
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from .c import d # a.b.c.d
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a/b/x.py
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a/b/y.py
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a/b/z.py
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a/b/c/__init__.py
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from . import e # a.b.c.e
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a/b/c/moduleC.py
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#
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from . import f # a.b.c.f
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from .. import x # a.b.x
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from ... import another # a.another
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a/b/c/d.py
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a/b/c/e.py
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a/b/c/f.py
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"""]
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relative_import_test_3 = [
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"a.module",
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["a", "a.module"],
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["a.bar"],
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[],
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"""\
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a/__init__.py
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def foo(): pass
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a/module.py
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from . import foo
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from . import bar
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"""]
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def open_file(path):
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##print "#", os.path.abspath(path)
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dirname = os.path.dirname(path)
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distutils.dir_util.mkpath(dirname)
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return open(path, "w")
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def create_package(source):
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ofi = None
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for line in source.splitlines():
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if line.startswith(" ") or line.startswith("\t"):
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ofi.write(line.strip() + "\n")
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else:
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ofi = open_file(os.path.join(TEST_DIR, line.strip()))
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class ModuleFinderTest(unittest.TestCase):
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def _do_test(self, info, report=False):
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import_this, modules, missing, maybe_missing, source = info
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create_package(source)
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try:
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mf = modulefinder.ModuleFinder(path=TEST_PATH)
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mf.import_hook(import_this)
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if report:
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mf.report()
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## # This wouldn't work in general when executed several times:
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## opath = sys.path[:]
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## sys.path = TEST_PATH
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## try:
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## __import__(import_this)
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## except:
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## import traceback; traceback.print_exc()
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## sys.path = opath
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## return
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modules = set(modules)
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found = set(mf.modules.keys())
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more = list(found - modules)
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less = list(modules - found)
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# check if we found what we expected, not more, not less
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self.assertEqual((more, less), ([], []))
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# check for missing and maybe missing modules
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bad, maybe = mf.any_missing_maybe()
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self.assertEqual(bad, missing)
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self.assertEqual(maybe, maybe_missing)
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finally:
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distutils.dir_util.remove_tree(TEST_DIR)
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def test_package(self):
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self._do_test(package_test)
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def test_maybe(self):
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self._do_test(maybe_test)
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if getattr(__future__, "absolute_import", None):
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def test_maybe_new(self):
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self._do_test(maybe_test_new)
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def test_absolute_imports(self):
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self._do_test(absolute_import_test)
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def test_relative_imports(self):
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self._do_test(relative_import_test)
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def test_relative_imports_2(self):
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self._do_test(relative_import_test_2)
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def test_relative_imports_3(self):
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self._do_test(relative_import_test_3)
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def test_main():
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distutils.log.set_threshold(distutils.log.WARN)
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test_support.run_unittest(ModuleFinderTest)
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if __name__ == "__main__":
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unittest.main()
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