1 files changed, 165 insertions, 0 deletions
diff --git a/setuptools/tests/test_integration.py b/setuptools/tests/test_integration.py
new file mode 100644
index 0000000..3a9a6c5
--- /dev/null
+++ b/setuptools/tests/test_integration.py
@@ -0,0 +1,165 @@
+"""Run some integration tests.
+
+Try to install a few packages.
+"""
+
+import glob
+import os
+import sys
+
+from setuptools.extern.six.moves import urllib
+import pytest
+
+from setuptools.command.easy_install import easy_install
+from setuptools.command import easy_install as easy_install_pkg
+from setuptools.dist import Distribution
+
+
+def setup_module(module):
+    packages = 'stevedore', 'virtualenvwrapper', 'pbr', 'novaclient'
+    for pkg in packages:
+        try:
+            __import__(pkg)
+            tmpl = "Integration tests cannot run when {pkg} is installed"
+            pytest.skip(tmpl.format(**locals()))
+        except ImportError:
+            pass
+
+    try:
+        urllib.request.urlopen('https://pypi.python.org/pypi')
+    except Exception as exc:
+        pytest.skip(str(exc))
+
+
+@pytest.fixture
+def install_context(request, tmpdir, monkeypatch):
+    """Fixture to set up temporary installation directory.
+    """
+    # Save old values so we can restore them.
+    new_cwd = tmpdir.mkdir('cwd')
+    user_base = tmpdir.mkdir('user_base')
+    user_site = tmpdir.mkdir('user_site')
+    install_dir = tmpdir.mkdir('install_dir')
+
+    def fin():
+        # undo the monkeypatch, particularly needed under
+        # windows because of kept handle on cwd
+        monkeypatch.undo()
+        new_cwd.remove()
+        user_base.remove()
+        user_site.remove()
+        install_dir.remove()
+
+    request.addfinalizer(fin)
+
+    # Change the environment and site settings to control where the
+    # files are installed and ensure we do not overwrite anything.
+    monkeypatch.chdir(new_cwd)
+    monkeypatch.setattr(easy_install_pkg, '__file__', user_site.strpath)
+    monkeypatch.setattr('site.USER_BASE', user_base.strpath)
+    monkeypatch.setattr('site.USER_SITE', user_site.strpath)
+    monkeypatch.setattr('sys.path', sys.path + [install_dir.strpath])
+    monkeypatch.setenv('PYTHONPATH', os.path.pathsep.join(sys.path))
+
+    # Set up the command for performing the installation.
+    dist = Distribution()
+    cmd = easy_install(dist)
+    cmd.install_dir = install_dir.strpath
+    return cmd
+
+
+def _install_one(requirement, cmd, pkgname, modulename):
+    cmd.args = [requirement]
+    cmd.ensure_finalized()
+    cmd.run()
+    target = cmd.install_dir
+    dest_path = glob.glob(os.path.join(target, pkgname + '*.egg'))
+    assert dest_path
+    assert os.path.exists(os.path.join(dest_path[0], pkgname, modulename))
+
+
+def test_stevedore(install_context):
+    _install_one('stevedore', install_context,
+                 'stevedore', 'extension.py')
+
+
+@pytest.mark.xfail
+def test_virtualenvwrapper(install_context):
+    _install_one('virtualenvwrapper', install_context,
+                 'virtualenvwrapper', 'hook_loader.py')
+
+
+def test_pbr(install_context):
+    _install_one('pbr', install_context,
+                 'pbr', 'core.py')
+
+
+@pytest.mark.xfail
+def test_python_novaclient(install_context):
+    _install_one('python-novaclient', install_context,
+                 'novaclient', 'base.py')
+
+
+def test_pyuri(install_context):
+    """
+    Install the pyuri package (version 0.3.1 at the time of writing).
+
+    This is also a regression test for issue #1016.
+    """
+    _install_one('pyuri', install_context, 'pyuri', 'uri.py')
+
+    pyuri = install_context.installed_projects['pyuri']
+
+    # The package data should be installed.
+    assert os.path.exists(os.path.join(pyuri.location, 'pyuri', 'uri.regex'))
+
+
+import re
+import subprocess
+import functools
+import tarfile, zipfile
+
+
+build_deps = ['appdirs', 'packaging', 'pyparsing', 'six']
+@pytest.mark.parametrize("build_dep", build_deps)
+@pytest.mark.skipif(sys.version_info < (3, 6), reason='run only on late versions')
+def test_build_deps_on_distutils(request, tmpdir_factory, build_dep):
+    """
+    All setuptools build dependencies must build without
+    setuptools.
+    """
+    if 'pyparsing' in build_dep:
+        pytest.xfail(reason="Project imports setuptools unconditionally")
+    build_target = tmpdir_factory.mktemp('source')
+    build_dir = download_and_extract(request, build_dep, build_target)
+    install_target = tmpdir_factory.mktemp('target')
+    output = install(build_dir, install_target)
+    for line in output.splitlines():
+        match = re.search('Unknown distribution option: (.*)', line)
+        allowed_unknowns = [
+            'test_suite',
+            'tests_require',
+            'install_requires',
+        ]
+        assert not match or match.group(1).strip('"\'') in allowed_unknowns
+
+
+def install(pkg_dir, install_dir):
+    with open(os.path.join(pkg_dir, 'setuptools.py'), 'w') as breaker:
+        breaker.write('raise ImportError()')
+    cmd = [sys.executable, 'setup.py', 'install', '--prefix', install_dir]
+    env = dict(os.environ, PYTHONPATH=pkg_dir)
+    output = subprocess.check_output(cmd, cwd=pkg_dir, env=env, stderr=subprocess.STDOUT)
+    return output.decode('utf-8')
+
+
+def download_and_extract(request, req, target):
+    cmd = [sys.executable, '-m', 'pip', 'download', '--no-deps',
+        '--no-binary', ':all:', req]
+    output = subprocess.check_output(cmd, encoding='utf-8')
+    filename = re.search('Saved (.*)', output).group(1)
+    request.addfinalizer(functools.partial(os.remove, filename))
+    opener = zipfile.ZipFile if filename.endswith('.zip') else tarfile.open
+    with opener(filename) as archive:
+        archive.extractall(target)
+    return os.path.join(target, os.listdir(target)[0])