Recipe package system.

recipe_engine/third_party/setuptools/tests/test_integration.py

+"""Run some integration tests.
+
+Try to install a few packages.
+"""
+
+import glob
+import os
+import sys
+
+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
+
+
+@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')
+
+
+@pytest.mark.xfail
+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')