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path: root/setuptools/tests/test_test.py
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# -*- coding: UTF-8 -*-

"""develop tests
"""
import os
import shutil
import site
import sys
import tempfile
import unittest

from setuptools.compat import StringIO, PY2
from setuptools.command.test import test
from setuptools.dist import Distribution

from .textwrap import DALS

SETUP_PY = DALS("""
    from setuptools import setup

    setup(name='foo',
        packages=['name', 'name.space', 'name.space.tests'],
        namespace_packages=['name'],
        test_suite='name.space.tests.test_suite',
    )
    """)

NS_INIT = DALS("""
    # -*- coding: Latin-1 -*-
    # Söme Arbiträry Ünicode to test Issüé 310
    try:
        __import__('pkg_resources').declare_namespace(__name__)
    except ImportError:
        from pkgutil import extend_path
        __path__ = extend_path(__path__, __name__)
    """)

# Make sure this is Latin-1 binary, before writing:
if PY2:
    NS_INIT = NS_INIT.decode('UTF-8')
NS_INIT = NS_INIT.encode('Latin-1')

TEST_PY = DALS("""
    import unittest

    class TestTest(unittest.TestCase):
        def test_test(self):
            print "Foo" # Should fail under Python 3 unless 2to3 is used

    test_suite = unittest.makeSuite(TestTest)
    """)


class TestTestTest(unittest.TestCase):

    def setUp(self):
        if sys.version < "2.6" or hasattr(sys, 'real_prefix'):
            return

        # Directory structure
        self.dir = tempfile.mkdtemp()
        os.mkdir(os.path.join(self.dir, 'name'))
        os.mkdir(os.path.join(self.dir, 'name', 'space'))
        os.mkdir(os.path.join(self.dir, 'name', 'space', 'tests'))
        # setup.py
        setup = os.path.join(self.dir, 'setup.py')
        f = open(setup, 'wt')
        f.write(SETUP_PY)
        f.close()
        self.old_cwd = os.getcwd()
        # name/__init__.py
        init = os.path.join(self.dir, 'name', '__init__.py')
        f = open(init, 'wb')
        f.write(NS_INIT)
        f.close()
        # name/space/__init__.py
        init = os.path.join(self.dir, 'name', 'space', '__init__.py')
        f = open(init, 'wt')
        f.write('#empty\n')
        f.close()
        # name/space/tests/__init__.py
        init = os.path.join(self.dir, 'name', 'space', 'tests', '__init__.py')
        f = open(init, 'wt')
        f.write(TEST_PY)
        f.close()

        os.chdir(self.dir)
        self.old_base = site.USER_BASE
        site.USER_BASE = tempfile.mkdtemp()
        self.old_site = site.USER_SITE
        site.USER_SITE = tempfile.mkdtemp()

    def tearDown(self):
        if sys.version < "2.6" or hasattr(sys, 'real_prefix'):
            return

        os.chdir(self.old_cwd)
        shutil.rmtree(self.dir)
        shutil.rmtree(site.USER_BASE)
        shutil.rmtree(site.USER_SITE)
        site.USER_BASE = self.old_base
        site.USER_SITE = self.old_site

    def test_test(self):
        if sys.version < "2.6" or hasattr(sys, 'real_prefix'):
            return

        dist = Distribution(dict(
            name='foo',
            packages=['name', 'name.space', 'name.space.tests'],
            namespace_packages=['name'],
            test_suite='name.space.tests.test_suite',
            use_2to3=True,
            ))
        dist.script_name = 'setup.py'
        cmd = test(dist)
        cmd.user = 1
        cmd.ensure_finalized()
        cmd.install_dir = site.USER_SITE
        cmd.user = 1
        old_stdout = sys.stdout
        sys.stdout = StringIO()
        try:
            try: # try/except/finally doesn't work in Python 2.4, so we need nested try-statements.
                cmd.run()
            except SystemExit: # The test runner calls sys.exit, stop that making an error.
                pass
        finally:
            sys.stdout = old_stdout