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_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_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_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())
