def test_execute_should_gracefully_handle_io_error(config: Config, pool: Pool,
mocker: MockerFixture,
io: BufferedIO,
env: MockEnv):
executor = Executor(env, pool, config, io)
executor.verbose()
original_write_line = executor._io.write_line
def write_line(string: str, **kwargs: Any) -> None:
# Simulate UnicodeEncodeError
string.encode("ascii")
original_write_line(string, **kwargs)
mocker.patch.object(io, "write_line", side_effect=write_line)
assert executor.execute([Install(Package("clikit", "0.2.3"))]) == 1
expected = r"""
Package operations: 1 install, 0 updates, 0 removals
\s*Unicode\w+Error
"""
assert re.match(expected, io.fetch_output())
def test_executor_should_delete_incomplete_downloads(config, io, tmp_dir,
mocker, pool,
mock_file_downloads):
fixture = Path(__file__).parent.parent.joinpath(
"fixtures/distributions/demo-0.1.0-py2.py3-none-any.whl")
destination_fixture = Path(tmp_dir) / "tomlkit-0.5.3-py2.py3-none-any.whl"
shutil.copyfile(str(fixture), str(destination_fixture))
mocker.patch(
"poetry.installation.executor.Executor._download_archive",
side_effect=Exception("Download error"),
)
mocker.patch(
"poetry.installation.chef.Chef.get_cached_archive_for_link",
side_effect=lambda link: link,
)
mocker.patch(
"poetry.installation.chef.Chef.get_cache_directory_for_link",
return_value=Path(tmp_dir),
)
config = Config()
config.merge({"cache-dir": tmp_dir})
env = MockEnv(path=Path(tmp_dir))
executor = Executor(env, pool, config, io)
with pytest.raises(Exception, match="Download error"):
executor._download(Install(Package("tomlkit", "0.5.3")))
assert not destination_fixture.exists()
def test_executor_should_write_pep610_url_references_for_editable_directories(
tmp_venv, pool, config, io):
url = Path(__file__).parent.parent.joinpath(
"fixtures/simple_project").resolve()
package = Package(
"simple-project",
"1.2.3",
source_type="directory",
source_url=url.as_posix(),
develop=True,
)
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
dist_info = tmp_venv.site_packages.path.joinpath(
"simple_project-1.2.3.dist-info")
assert dist_info.exists()
direct_url_file = dist_info.joinpath("direct_url.json")
assert direct_url_file.exists()
url_reference = json.loads(direct_url_file.read_text(encoding="utf-8"))
assert url_reference == {
"dir_info": {
"editable": True
},
"url": url.as_uri()
}
def test_execute_works_with_no_ansi_output(mocker, config, pool,
io_not_decorated, tmp_dir,
mock_file_downloads, env):
config = Config()
config.merge({"cache-dir": tmp_dir})
executor = Executor(env, pool, config, io_not_decorated)
install_output = (
"some string that does not contain a keyb0ard !nterrupt or cance11ed by u$er"
)
mocker.patch.object(env, "_run", return_value=install_output)
return_code = executor.execute([
Install(Package("pytest", "3.5.2")),
])
env._run.assert_called_once()
expected = """
Package operations: 1 install, 0 updates, 0 removals
• Installing pytest (3.5.2)
"""
expected = set(expected.splitlines())
output = set(io_not_decorated.fetch_output().splitlines())
assert expected == output
assert 0 == return_code
def test_executor_should_write_pep610_url_references_for_git(
tmp_venv, pool, config, io, mock_file_downloads):
package = Package(
"demo",
"0.1.2",
source_type="git",
source_reference="master",
source_resolved_reference="123456",
source_url="https://github.com/demo/demo.git",
)
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
verify_installed_distribution(
tmp_venv,
package,
{
"vcs_info": {
"vcs": "git",
"requested_revision": "master",
"commit_id": "123456",
},
"url": package.source_url,
},
)
def test_executor_should_write_pep610_url_references_for_urls(
tmp_venv, pool, config, io, mock_file_downloads):
package = Package(
"demo",
"0.1.0",
source_type="url",
source_url=
"https://files.pythonhosted.org/demo-0.1.0-py2.py3-none-any.whl",
)
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
dist_info = tmp_venv.site_packages.path.joinpath("demo-0.1.0.dist-info")
assert dist_info.exists()
direct_url_file = dist_info.joinpath("direct_url.json")
assert direct_url_file.exists()
url_reference = json.loads(direct_url_file.read_text(encoding="utf-8"))
assert url_reference == {
"archive_info": {},
"url":
"https://files.pythonhosted.org/demo-0.1.0-py2.py3-none-any.whl",
}
def test_executor_should_use_cached_link_and_hash(
config, io, pool, mocker, fixture_dir, tmp_dir
):
# Produce a file:/// URI that is a valid link
link_cached = Link(
fixture_dir("distributions")
.joinpath("demo-0.1.0-py2.py3-none-any.whl")
.as_uri()
)
mocker.patch.object(
Chef, "get_cached_archive_for_link", side_effect=lambda _: link_cached
)
env = MockEnv(path=Path(tmp_dir))
executor = Executor(env, pool, config, io)
package = Package("demo", "0.1.0")
package.files = [
{
"file": "demo-0.1.0-py2.py3-none-any.whl",
"hash": "md5:15507846fd4299596661d0197bfb4f90",
}
]
archive = executor._download_link(
Install(package), Link("https://example.com/demo-0.1.0-py2.py3-none-any.whl")
)
assert archive == link_cached
def test_executor_should_write_pep610_url_references_for_git(
tmp_venv, pool, config, io, mock_file_downloads):
package = Package(
"demo",
"0.1.2",
source_type="git",
source_reference="master",
source_resolved_reference="123456",
source_url="https://github.com/demo/demo.git",
)
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
dist_info = tmp_venv.site_packages.path.joinpath("demo-0.1.2.dist-info")
assert dist_info.exists()
direct_url_file = dist_info.joinpath("direct_url.json")
assert direct_url_file.exists()
url_reference = json.loads(direct_url_file.read_text(encoding="utf-8"))
assert url_reference == {
"vcs_info": {
"vcs": "git",
"requested_revision": "master",
"commit_id": "123456",
},
"url": "https://github.com/demo/demo.git",
}
def test_executor_should_check_every_possible_hash_types(
config, io, pool, mocker, fixture_dir, tmp_dir
):
mocker.patch.object(
Chef, "get_cached_archive_for_link", side_effect=lambda link: link,
)
mocker.patch.object(
Executor,
"_download_archive",
return_value=fixture_dir("distributions").joinpath(
"demo-0.1.0-py2.py3-none-any.whl"
),
)
env = MockEnv(path=Path(tmp_dir))
executor = Executor(env, pool, config, io)
package = Package("demo", "0.1.0")
package.files = [
{
"file": "demo-0.1.0-py2.py3-none-any.whl",
"hash": "md5:15507846fd4299596661d0197bfb4f90",
}
]
archive = executor._download_link(
Install(package), Link("https://example.com/demo-0.1.0-py2.py3-none-any.whl")
)
assert archive == fixture_dir("distributions").joinpath(
"demo-0.1.0-py2.py3-none-any.whl"
)
def test_execute_works_with_ansi_output(mocker, config, pool, io_decorated,
tmp_dir, mock_file_downloads, env):
config = Config()
config.merge({"cache-dir": tmp_dir})
executor = Executor(env, pool, config, io_decorated)
install_output = (
"some string that does not contain a keyb0ard !nterrupt or cance11ed by u$er"
)
mocker.patch.object(env, "_run", return_value=install_output)
return_code = executor.execute([
Install(Package("pytest", "3.5.2")),
])
env._run.assert_called_once()
expected = [
"\x1b[39;1mPackage operations\x1b[39;22m: \x1b[34m1\x1b[39m install, \x1b[34m0\x1b[39m updates, \x1b[34m0\x1b[39m removals",
"\x1b[34;1m•\x1b[39;22m \x1b[39mInstalling \x1b[39m\x1b[36mpytest\x1b[39m\x1b[39m (\x1b[39m\x1b[39;1m3.5.2\x1b[39;22m\x1b[39m)\x1b[39m: \x1b[34mPending...\x1b[39m",
"\x1b[34;1m•\x1b[39;22m \x1b[39mInstalling \x1b[39m\x1b[36mpytest\x1b[39m\x1b[39m (\x1b[39m\x1b[39;1m3.5.2\x1b[39;22m\x1b[39m)\x1b[39m: \x1b[34mDownloading...\x1b[39m",
"\x1b[34;1m•\x1b[39;22m \x1b[39mInstalling \x1b[39m\x1b[36mpytest\x1b[39m\x1b[39m (\x1b[39m\x1b[39;1m3.5.2\x1b[39;22m\x1b[39m)\x1b[39m: \x1b[34mInstalling...\x1b[39m",
"\x1b[32;1m•\x1b[39;22m \x1b[39mInstalling \x1b[39m\x1b[36mpytest\x1b[39m\x1b[39m (\x1b[39m\x1b[32m3.5.2\x1b[39m\x1b[39m)\x1b[39m", # finished
]
output = io_decorated.fetch_output()
# hint: use print(repr(output)) if you need to debug this
for line in expected:
assert line in output
assert 0 == return_code
def test_executor_should_use_cached_link_and_hash(
tmp_venv: VirtualEnv,
pool: Pool,
config: Config,
io: BufferedIO,
mocker: MockerFixture,
fixture_dir: FixtureDirGetter,
):
# Produce a file:/// URI that is a valid link
link_cached = Link(
fixture_dir("distributions").joinpath(
"demo-0.1.0-py2.py3-none-any.whl").as_uri())
mocker.patch(
"poetry.installation.chef.Chef.get_cached_archive_for_link",
return_value=link_cached,
)
package = Package("demo", "0.1.0")
# Set package.files so the executor will attempt to hash the package
package.files = [{
"file":
"demo-0.1.0-py2.py3-none-any.whl",
"hash":
"sha256:70e704135718fffbcbf61ed1fc45933cfd86951a744b681000eaaa75da31f17a", # noqa: E501
}]
executor = Executor(tmp_venv, pool, config, io)
archive = executor._download_link(
Install(package),
Link("https://example.com/demo-0.1.0-py2.py3-none-any.whl"),
)
assert archive == link_cached
def test_execute_executes_a_batch_of_operations(
config, pool, io, tmp_dir, mock_file_downloads
):
config = Config()
config.merge({"cache-dir": tmp_dir})
env = MockEnv(path=Path(tmp_dir))
executor = Executor(env, pool, config, io)
file_package = Package("demo", "0.1.0")
file_package.source_type = "file"
file_package.source_url = str(
Path(__file__)
.parent.parent.joinpath(
"fixtures/distributions/demo-0.1.0-py2.py3-none-any.whl"
)
.resolve()
)
directory_package = Package("simple-project", "1.2.3")
directory_package.source_type = "directory"
directory_package.source_url = str(
Path(__file__).parent.parent.joinpath("fixtures/simple_project").resolve()
)
git_package = Package("demo", "0.1.0")
git_package.source_type = "git"
git_package.source_reference = "master"
git_package.source_url = "https://github.com/demo/demo.git"
assert 0 == executor.execute(
[
Install(Package("pytest", "3.5.2")),
Uninstall(Package("attrs", "17.4.0")),
Update(Package("requests", "2.18.3"), Package("requests", "2.18.4")),
Uninstall(Package("clikit", "0.2.3")).skip("Not currently installed"),
Install(file_package),
Install(directory_package),
Install(git_package),
]
)
expected = """
Package operations: 4 installs, 1 update, 1 removal
• Installing pytest (3.5.2)
• Removing attrs (17.4.0)
• Updating requests (2.18.3 -> 2.18.4)
• Installing demo (0.1.0 {})
• Installing simple-project (1.2.3 {})
• Installing demo (0.1.0 master)
""".format(
file_package.source_url, directory_package.source_url
)
expected = set(expected.splitlines())
output = set(io.fetch_output().splitlines())
assert expected == output
assert 5 == len(env.executed)
def test_executor_should_write_pep610_url_references_for_directories(
tmp_venv, pool, config, io
):
url = Path(__file__).parent.parent.joinpath("fixtures/simple_project").resolve()
package = Package(
"simple-project", "1.2.3", source_type="directory", source_url=url.as_posix()
)
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
verify_installed_distribution(
tmp_venv, package, {"dir_info": {}, "url": url.as_uri()}
)
def test_executor_should_write_pep610_url_references_for_files(
tmp_venv, pool, config, io):
url = (Path(__file__).parent.parent.joinpath(
"fixtures/distributions/demo-0.1.0-py2.py3-none-any.whl").resolve())
package = Package("demo",
"0.1.0",
source_type="file",
source_url=url.as_posix())
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
verify_installed_distribution(tmp_venv, package, {
"archive_info": {},
"url": url.as_uri()
})
def test_executor_should_write_pep610_url_references_for_urls(
tmp_venv, pool, config, io, mock_file_downloads
):
package = Package(
"demo",
"0.1.0",
source_type="url",
source_url="https://files.pythonhosted.org/demo-0.1.0-py2.py3-none-any.whl",
)
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
verify_installed_distribution(
tmp_venv, package, {"archive_info": {}, "url": package.source_url}
)
def test_executor_should_write_pep610_url_references_for_editable_directories(
tmp_venv: "VirtualEnv", pool: Pool, config: "Config", io: BufferedIO
):
url = Path(__file__).parent.parent.joinpath("fixtures/simple_project").resolve()
package = Package(
"simple-project",
"1.2.3",
source_type="directory",
source_url=url.as_posix(),
develop=True,
)
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
verify_installed_distribution(
tmp_venv, package, {"dir_info": {"editable": True}, "url": url.as_uri()}
)
def test_execute_should_show_operation_as_cancelled_on_subprocess_keyboard_interrupt(
config, mocker, io, env):
executor = Executor(env, pool, config, io)
executor.verbose()
# A return code of -2 means KeyboardInterrupt in the pip subprocess
mocker.patch.object(executor, "_install", return_value=-2)
assert 1 == executor.execute([Install(Package("clikit", "0.2.3"))])
expected = """
Package operations: 1 install, 0 updates, 0 removals
• Installing clikit (0.2.3)
• Installing clikit (0.2.3): Cancelled
"""
assert expected == io.fetch_output()
def test_executor_should_not_write_pep610_url_references_for_cached_package(
package: Package,
mocker: MockerFixture,
fixture_dir: FixtureDirGetter,
tmp_venv: VirtualEnv,
pool: Pool,
config: Config,
io: BufferedIO,
):
link_cached = fixture_dir(
"distributions") / "demo-0.1.0-py2.py3-none-any.whl"
mocker.patch("poetry.installation.executor.Executor._download",
return_value=link_cached)
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
verify_installed_distribution(tmp_venv, package)
def test_execute_shows_skipped_operations_if_verbose(config, pool, io):
config = Config()
config.merge({"cache-dir": "/foo"})
env = MockEnv()
executor = Executor(env, pool, config, io)
executor.verbose()
assert 0 == executor.execute([
Uninstall(Package("clikit", "0.2.3")).skip("Not currently installed")
])
expected = """
Package operations: 0 installs, 0 updates, 0 removals, 1 skipped
• Removing clikit (0.2.3): Skipped for the following reason: Not currently installed
"""
assert expected == io.fetch_output()
assert 0 == len(env.executed)
def test_execute_should_show_errors(config, mocker, io, env):
executor = Executor(env, pool, config, io)
executor.verbose()
mocker.patch.object(executor, "_install", side_effect=Exception("It failed!"))
assert 1 == executor.execute([Install(Package("clikit", "0.2.3"))])
expected = """
Package operations: 1 install, 0 updates, 0 removals
• Installing clikit (0.2.3)
Exception
It failed!
"""
assert expected in io.fetch_output()
def test_execute_shows_skipped_operations_if_verbose(config: Config,
pool: Pool,
io: BufferedIO,
config_cache_dir: Path,
env: MockEnv):
config.merge({"cache-dir": config_cache_dir.as_posix()})
executor = Executor(env, pool, config, io)
executor.verbose()
assert (executor.execute([
Uninstall(Package("clikit", "0.2.3")).skip("Not currently installed")
]) == 0)
expected = """
Package operations: 0 installs, 0 updates, 0 removals, 1 skipped
• Removing clikit (0.2.3): Skipped for the following reason: Not currently installed
"""
assert io.fetch_output() == expected
assert len(env.executed) == 0
def test_executor_should_write_pep610_url_references_for_files(
tmp_venv, pool, config, io):
url = (Path(__file__).parent.parent.joinpath(
"fixtures/distributions/demo-0.1.0-py2.py3-none-any.whl").resolve())
package = Package("demo",
"0.1.0",
source_type="file",
source_url=url.as_posix())
executor = Executor(tmp_venv, pool, config, io)
executor.execute([Install(package)])
dist_info = tmp_venv.site_packages.path.joinpath("demo-0.1.0.dist-info")
assert dist_info.exists()
direct_url_file = dist_info.joinpath("direct_url.json")
assert direct_url_file.exists()
url_reference = json.loads(direct_url_file.read_text(encoding="utf-8"))
assert url_reference == {"archive_info": {}, "url": url.as_uri()}
def test_executor_should_check_every_possible_hash_types_before_failing(
config, io, pool, mocker, fixture_dir, tmp_dir
):
mocker.patch.object(
Chef, "get_cached_archive_for_link", side_effect=lambda link: link,
)
mocker.patch.object(
Executor,
"_download_archive",
return_value=fixture_dir("distributions").joinpath(
"demo-0.1.0-py2.py3-none-any.whl"
),
)
env = MockEnv(path=Path(tmp_dir))
executor = Executor(env, pool, config, io)
package = Package("demo", "0.1.0")
package.files = [
{"file": "demo-0.1.0-py2.py3-none-any.whl", "hash": "md5:123456"},
{"file": "demo-0.1.0-py2.py3-none-any.whl", "hash": "sha256:123456"},
]
expected_message = (
"Invalid hashes "
"("
"md5:15507846fd4299596661d0197bfb4f90, "
"sha256:70e704135718fffbcbf61ed1fc45933cfd86951a744b681000eaaa75da31f17a"
") "
"for demo (0.1.0) using archive demo-0.1.0-py2.py3-none-any.whl. "
"Expected one of md5:123456, sha256:123456."
)
with pytest.raises(RuntimeError, match=re.escape(expected_message)):
executor._download_link(
Install(package),
Link("https://example.com/demo-0.1.0-py2.py3-none-any.whl"),
)
def test_execute_should_gracefully_handle_io_error(config, mocker, io, env):
executor = Executor(env, pool, config, io)
executor.verbose()
original_write_line = executor._io.write_line
def write_line(string, flags=None):
# Simulate UnicodeEncodeError
string.encode("ascii")
original_write_line(string, flags)
mocker.patch.object(io, "write_line", side_effect=write_line)
assert 1 == executor.execute([Install(Package("clikit", "0.2.3"))])
expected = r"""
Package operations: 1 install, 0 updates, 0 removals
\s*Unicode\w+Error
"""
assert re.match(expected, io.fetch_output())
def test_executor_should_be_initialized_with_correct_workers(
tmp_venv: "VirtualEnv",
pool: Pool,
config: "Config",
io: BufferedIO,
mocker: "MockerFixture",
max_workers: Optional[int],
cpu_count: Optional[int],
side_effect: Optional[Exception],
expected_workers: int,
):
config.merge({"installer": {"max-workers": max_workers}})
mocker.patch("os.cpu_count", return_value=cpu_count, side_effect=side_effect)
executor = Executor(tmp_venv, pool, config, io)
assert executor._max_workers == expected_workers
def __init__(
self,
io: "IO",
env: "Env",
package: "ProjectPackage",
locker: "Locker",
pool: Pool,
config: "Config",
installed: Union[Repository, None] = None,
executor: Optional[Executor] = None,
):
self._io = io
self._env = env
self._package = package
self._locker = locker
self._pool = pool
self._dry_run = False
self._requires_synchronization = False
self._update = False
self._verbose = False
self._write_lock = True
self._without_groups = None
self._with_groups = None
self._only_groups = None
self._execute_operations = True
self._lock = False
self._whitelist = []
self._extras = []
if executor is None:
executor = Executor(self._env, self._pool, config, self._io)
self._executor = executor
self._use_executor = False
self._installer = self._get_installer()
if installed is None:
installed = self._get_installed()
self._installed_repository = installed
def __init__(
self,
io: IO,
env: Env,
package: ProjectPackage,
locker: Locker,
pool: Pool,
config: Config,
installed: Repository | None = None,
executor: Executor | None = None,
):
self._io = io
self._env = env
self._package = package
self._locker = locker
self._pool = pool
self._dry_run = False
self._requires_synchronization = False
self._update = False
self._verbose = False
self._write_lock = True
self._without_groups = None
self._with_groups = None
self._only_groups = None
self._execute_operations = True
self._lock = False
self._whitelist = []
self._extras = []
if executor is None:
executor = Executor(self._env, self._pool, config, self._io)
self._executor = executor
self._use_executor = False
self._installer = self._get_installer()
if installed is None:
installed = self._get_installed()
self._installed_repository = installed
def test_execute_executes_a_batch_of_operations(mocker, config, pool, io,
tmp_dir, mock_file_downloads,
env):
pip_editable_install = mocker.patch(
"poetry.installation.executor.pip_editable_install", unsafe=not PY36)
config = Config()
config.merge({"cache-dir": tmp_dir})
executor = Executor(env, pool, config, io)
file_package = Package(
"demo",
"0.1.0",
source_type="file",
source_url=Path(__file__).parent.parent.joinpath(
"fixtures/distributions/demo-0.1.0-py2.py3-none-any.whl").resolve(
).as_posix(),
)
directory_package = Package(
"simple-project",
"1.2.3",
source_type="directory",
source_url=Path(__file__).parent.parent.joinpath(
"fixtures/simple_project").resolve().as_posix(),
)
git_package = Package(
"demo",
"0.1.0",
source_type="git",
source_reference="master",
source_url="https://github.com/demo/demo.git",
develop=True,
)
return_code = executor.execute([
Install(Package("pytest", "3.5.2")),
Uninstall(Package("attrs", "17.4.0")),
Update(Package("requests", "2.18.3"), Package("requests", "2.18.4")),
Uninstall(Package("clikit", "0.2.3")).skip("Not currently installed"),
Install(file_package),
Install(directory_package),
Install(git_package),
])
expected = """
Package operations: 4 installs, 1 update, 1 removal
• Installing pytest (3.5.2)
• Removing attrs (17.4.0)
• Updating requests (2.18.3 -> 2.18.4)
• Installing demo (0.1.0 {})
• Installing simple-project (1.2.3 {})
• Installing demo (0.1.0 master)
""".format(file_package.source_url, directory_package.source_url)
expected = set(expected.splitlines())
output = set(io.fetch_output().splitlines())
assert expected == output
assert 5 == len(env.executed)
assert 0 == return_code
pip_editable_install.assert_called_once()
def test_execute_executes_a_batch_of_operations(
mocker: MockerFixture,
config: Config,
pool: Pool,
io: BufferedIO,
tmp_dir: str,
mock_file_downloads: None,
env: MockEnv,
):
pip_install = mocker.patch("poetry.installation.executor.pip_install")
config.merge({"cache-dir": tmp_dir})
executor = Executor(env, pool, config, io)
file_package = Package(
"demo",
"0.1.0",
source_type="file",
source_url=Path(__file__).parent.parent.joinpath(
"fixtures/distributions/demo-0.1.0-py2.py3-none-any.whl").resolve(
).as_posix(),
)
directory_package = Package(
"simple-project",
"1.2.3",
source_type="directory",
source_url=Path(__file__).parent.parent.joinpath(
"fixtures/simple_project").resolve().as_posix(),
)
git_package = Package(
"demo",
"0.1.0",
source_type="git",
source_reference="master",
source_url="https://github.com/demo/demo.git",
develop=True,
)
return_code = executor.execute([
Install(Package("pytest", "3.5.2")),
Uninstall(Package("attrs", "17.4.0")),
Update(Package("requests", "2.18.3"), Package("requests", "2.18.4")),
Uninstall(Package("clikit", "0.2.3")).skip("Not currently installed"),
Install(file_package),
Install(directory_package),
Install(git_package),
])
expected = f"""
Package operations: 4 installs, 1 update, 1 removal
• Installing pytest (3.5.2)
• Removing attrs (17.4.0)
• Updating requests (2.18.3 -> 2.18.4)
• Installing demo (0.1.0 {file_package.source_url})
• Installing simple-project (1.2.3 {directory_package.source_url})
• Installing demo (0.1.0 master)
"""
expected = set(expected.splitlines())
output = set(io.fetch_output().splitlines())
assert output == expected
assert len(env.executed) == 1
assert return_code == 0
assert pip_install.call_count == 5
assert pip_install.call_args.kwargs.get("upgrade", False)
assert pip_install.call_args.kwargs.get("editable", False)
