def test_rollback_after_commit(project, caplog):
caplog.set_level(logging.ERROR, logger="pdm.termui")
req = parse_requirement("demo")
candidate = Candidate(
req,
project.environment,
link=Link(
"http://fixtures.test/artifacts/demo-0.0.1-py2.py3-none-any.whl"),
)
installer = InstallManager(project.environment)
lib_path = project.environment.get_paths()["purelib"]
installer.install(candidate)
lib_file = os.path.join(lib_path, "demo.py")
assert os.path.exists(lib_file)
remove_paths = installer.get_paths_to_remove(
project.environment.get_working_set()["demo"])
remove_paths.remove()
remove_paths.commit()
assert not os.path.exists(lib_file)
caplog.clear()
remove_paths.rollback()
assert not os.path.exists(lib_file)
assert any(record.message == "Can't rollback, not uninstalled yet"
for record in caplog.records)
def test_uninstall_commit_rollback(project):
req = parse_requirement("demo")
candidate = Candidate(
req,
link=Link(
"http://fixtures.test/artifacts/demo-0.0.1-py2.py3-none-any.whl"),
)
installer = InstallManager(project.environment)
lib_path = project.environment.get_paths()["purelib"]
installer.install(candidate)
lib_file = os.path.join(lib_path, "demo.py")
assert os.path.exists(lib_file)
remove_paths = installer.get_paths_to_remove(
project.environment.get_working_set()["demo"])
remove_paths.remove()
assert not os.path.exists(lib_file)
remove_paths.rollback()
assert os.path.exists(lib_file)