test_integration.py 文件源码

def test_pip_versions(self):
        pkgs = {
            'test_markers':
                {'requirements.txt': textwrap.dedent("""\
                    pkg_a; python_version=='1.2'
                    pkg_b; python_version!='1.2'
                """)},
            'pkg_a': {},
            'pkg_b': {},
        }
        pkg_dirs = self.useFixture(
            test_packaging.CreatePackages(pkgs)).package_dirs
        temp_dir = self.useFixture(fixtures.TempDir()).path
        repo_dir = os.path.join(temp_dir, 'repo')
        venv = self.useFixture(test_packaging.Venv('markers'))
        bin_python = venv.python
        os.mkdir(repo_dir)
        for module in self.modules:
            self._run_cmd(
                bin_python,
                ['-m', 'pip', 'install', '--upgrade', module],
                cwd=venv.path, allow_fail=False)
        for pkg in pkg_dirs:
            self._run_cmd(
                bin_python, ['setup.py', 'sdist', '-d', repo_dir],
                cwd=pkg_dirs[pkg], allow_fail=False)
        self._run_cmd(
            bin_python,
            ['-m', 'pip', 'install', '--no-index', '-f', repo_dir,
             'test_markers'],
            cwd=venv.path, allow_fail=False)
        self.assertIn('pkg-b', self._run_cmd(
            bin_python, ['-m', 'pip', 'freeze'], cwd=venv.path,
            allow_fail=False)[0])