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Diffstat (limited to 'setuptools/tests/test_develop.py')
| -rw-r--r-- | setuptools/tests/test_develop.py | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/setuptools/tests/test_develop.py b/setuptools/tests/test_develop.py new file mode 100644 index 00000000..70c5794c --- /dev/null +++ b/setuptools/tests/test_develop.py @@ -0,0 +1,224 @@ +"""develop tests +""" + +import os +import sys +import subprocess +import platform +import pathlib +import textwrap + +from setuptools.command import test + +import pytest + +from setuptools.command.develop import develop +from setuptools.dist import Distribution +from . import contexts +from . import namespaces + +SETUP_PY = """\ +from setuptools import setup + +setup(name='foo', + packages=['foo'], +) +""" + +INIT_PY = """print "foo" +""" + + +@pytest.fixture +def temp_user(monkeypatch): + with contexts.tempdir() as user_base: + with contexts.tempdir() as user_site: + monkeypatch.setattr('site.USER_BASE', user_base) + monkeypatch.setattr('site.USER_SITE', user_site) + yield + + +@pytest.fixture +def test_env(tmpdir, temp_user): + target = tmpdir + foo = target.mkdir('foo') + setup = target / 'setup.py' + if setup.isfile(): + raise ValueError(dir(target)) + with setup.open('w') as f: + f.write(SETUP_PY) + init = foo / '__init__.py' + with init.open('w') as f: + f.write(INIT_PY) + with target.as_cwd(): + yield target + + +class TestDevelop: + in_virtualenv = hasattr(sys, 'real_prefix') + in_venv = hasattr(sys, 'base_prefix') and sys.base_prefix != sys.prefix + + def test_console_scripts(self, tmpdir): + """ + Test that console scripts are installed and that they reference + only the project by name and not the current version. + """ + pytest.skip( + "TODO: needs a fixture to cause 'develop' " + "to be invoked without mutating environment." + ) + settings = dict( + name='foo', + packages=['foo'], + version='0.0', + entry_points={ + 'console_scripts': [ + 'foocmd = foo:foo', + ], + }, + ) + dist = Distribution(settings) + dist.script_name = 'setup.py' + cmd = develop(dist) + cmd.ensure_finalized() + cmd.install_dir = tmpdir + cmd.run() + # assert '0.0' not in foocmd_text + + +class TestResolver: + """ + TODO: These tests were written with a minimal understanding + of what _resolve_setup_path is intending to do. Come up with + more meaningful cases that look like real-world scenarios. + """ + + def test_resolve_setup_path_cwd(self): + assert develop._resolve_setup_path('.', '.', '.') == '.' + + def test_resolve_setup_path_one_dir(self): + assert develop._resolve_setup_path('pkgs', '.', 'pkgs') == '../' + + def test_resolve_setup_path_one_dir_trailing_slash(self): + assert develop._resolve_setup_path('pkgs/', '.', 'pkgs') == '../' + + +class TestNamespaces: + @staticmethod + def install_develop(src_dir, target): + + develop_cmd = [ + sys.executable, + 'setup.py', + 'develop', + '--install-dir', + str(target), + ] + with src_dir.as_cwd(): + with test.test.paths_on_pythonpath([str(target)]): + subprocess.check_call(develop_cmd) + + @pytest.mark.skipif( + bool(os.environ.get("APPVEYOR")), + reason="https://github.com/pypa/setuptools/issues/851", + ) + @pytest.mark.skipif( + platform.python_implementation() == 'PyPy', + reason="https://github.com/pypa/setuptools/issues/1202", + ) + def test_namespace_package_importable(self, tmpdir): + """ + Installing two packages sharing the same namespace, one installed + naturally using pip or `--single-version-externally-managed` + and the other installed using `develop` should leave the namespace + in tact and both packages reachable by import. + """ + pkg_A = namespaces.build_namespace_package(tmpdir, 'myns.pkgA') + pkg_B = namespaces.build_namespace_package(tmpdir, 'myns.pkgB') + target = tmpdir / 'packages' + # use pip to install to the target directory + install_cmd = [ + sys.executable, + '-m', + 'pip', + 'install', + str(pkg_A), + '-t', + str(target), + ] + subprocess.check_call(install_cmd) + self.install_develop(pkg_B, target) + namespaces.make_site_dir(target) + try_import = [ + sys.executable, + '-c', + 'import myns.pkgA; import myns.pkgB', + ] + with test.test.paths_on_pythonpath([str(target)]): + subprocess.check_call(try_import) + + # additionally ensure that pkg_resources import works + pkg_resources_imp = [ + sys.executable, + '-c', + 'import pkg_resources', + ] + with test.test.paths_on_pythonpath([str(target)]): + subprocess.check_call(pkg_resources_imp) + + @staticmethod + def install_workaround(site_packages): + site_packages.mkdir(parents=True) + sc = site_packages / 'sitecustomize.py' + sc.write_text( + textwrap.dedent( + """ + import site + import pathlib + here = pathlib.Path(__file__).parent + site.addsitedir(str(here)) + """ + ).lstrip() + ) + + @pytest.mark.xfail( + platform.python_implementation() == 'PyPy', + reason="Workaround fails on PyPy (why?)", + ) + def test_editable_prefix(self, tmp_path, sample_project): + """ + Editable install to a prefix should be discoverable. + """ + prefix = tmp_path / 'prefix' + prefix.mkdir() + + # figure out where pip will likely install the package + site_packages = prefix / next( + pathlib.Path(path).relative_to(sys.prefix) + for path in sys.path + if 'site-packages' in path and path.startswith(sys.prefix) + ) + + # install the workaround + self.install_workaround(site_packages) + + env = dict(os.environ, PYTHONPATH=str(site_packages)) + cmd = [ + sys.executable, + '-m', + 'pip', + 'install', + '--editable', + str(sample_project), + '--prefix', + str(prefix), + '--no-build-isolation', + ] + subprocess.check_call(cmd, env=env) + + # now run 'sample' with the prefix on the PYTHONPATH + bin = 'Scripts' if platform.system() == 'Windows' else 'bin' + exe = prefix / bin / 'sample' + if sys.version_info < (3, 7) and platform.system() == 'Windows': + exe = str(exe) + subprocess.check_call([exe], env=env) |