def test_pip_downloads_nothing_when_no_requirements_are_given(
pip: Pip, download_dir, current_platform
):
pip.download_sources(
requirements=RequirementSet(current_platform), target_directory=download_dir
)
assert not list_files(download_dir)
def test_pip_wheel_does_not_build_wheels_if_requirements_are_empty(
pip: Pip, wheels_dir, download_dir, current_platform
):
pip.build_wheels(
requirements=RequirementSet(current_platform),
target_directory=wheels_dir,
source_directories=download_dir,
)
assert not list_files(wheels_dir)
def test_pip_downloads_sources_to_target_directory(
pip: Pip,
project_dir: str,
current_platform: TargetPlatform,
requirement_parser: RequirementParser,
):
download_path = os.path.join(project_dir, "download")
requirements = RequirementSet(current_platform)
requirements.add(requirement_parser.parse("six"))
pip.download_sources(requirements=requirements, target_directory=download_path)
assert list_files(download_path)
def test_install_six_yields_non_empty_freeze_output(pip: Pip, project_dir,
download_dir,
current_platform,
requirement_parser):
lib_dir = os.path.join(project_dir, "lib")
requirements = RequirementSet(current_platform)
requirements.add(requirement_parser.parse("six"))
pip.download_sources(requirements, download_dir)
pip.install(requirements,
source_directories=[download_dir],
target_directory=lib_dir)
assert pip.freeze([lib_dir])
def test_install_to_target_directory_does_not_install_to_default_directory(
pip: Pip, project_dir, download_dir, current_platform,
requirement_parser):
requirements = RequirementSet(current_platform)
requirements.add(requirement_parser.parse("six"))
target_directory = os.path.join(project_dir, "target-directory")
os.makedirs(target_directory)
pip.download_sources(requirements, download_dir)
assert not os.listdir(target_directory)
pip.install(
requirements,
source_directories=[download_dir],
target_directory=target_directory,
)
assert os.listdir(target_directory)
def test_freeze_respects_additional_python_path(
pip: Pip,
project_dir: str,
current_platform: TargetPlatform,
requirement_parser: RequirementParser,
):
prefix = os.path.join(project_dir, "custom-prefix")
download_dir = os.path.join(project_dir, "download")
requirements = RequirementSet(current_platform)
requirements.add(requirement_parser.parse("six"))
pip.download_sources(requirements, download_dir)
pip.install(requirements,
target_directory=prefix,
source_directories=[download_dir])
freeze_without_six = pip.freeze([])
freeze_with_six = pip.freeze(python_path=[prefix])
assert len(freeze_without_six) < len(freeze_with_six)
def test_freeze_on_empty_environment_yields_empty_file(pip: Pip):
frozen_requirements = pip.freeze([])
assert not frozen_requirements.strip()
def test_install_does_not_install_anything_with_empty_requirements(
pip: Pip, project_dir, current_platform):
target_directory = os.path.join(project_dir, "target_dir")
os.makedirs(target_directory)
pip.install(RequirementSet(current_platform), [], target_directory)
assert not os.listdir(target_directory)