def test_lyth_ellipsis():
"""
Start the main function, activates the console and hopes that let statement
does not lead to an exception.
"""
with unittest.mock.patch.object(builtins, 'input', send_let):
with unittest.mock.patch('sys.stdout', new_callable=StringIO):
assert main(["test.py", "-c", "cycle=2"]) == 0
def test_idle():
"""
Testing an idle console.
"""
from lyth.__main__ import main
with unittest.mock.patch.object(builtins, 'input', _delayed_interrupt):
with unittest.mock.patch('sys.stdout', new_callable=StringIO):
assert main([]) == 0
assert "Goodbye.\n" in sys.stdout.getvalue()
def test_main(inputs, returns):
"""
Start the main function, activates the console and waits
"""
with unittest.mock.patch.object(builtins, 'input', lambda x: inputs):
with unittest.mock.patch('sys.stdout', new_callable=StringIO):
assert main(["test.py", "-c", "cycle=2"]) == returns
result = sys.stdout.getvalue()
assert "Goodbye.\n" in result
assert "3\n" in result
def test_lyth_syntax_error(inputs, returns):
"""
Start the main function, activates the console and waits
"""
error = f"Invalid character at '<stdin>', line 0:\n\t1 ; 2\n\t ^"
with unittest.mock.patch.object(builtins, 'input', lambda x: inputs):
with unittest.mock.patch('sys.stdout', new_callable=StringIO):
assert main(["test.py", "-c", "cycle=2"]) == returns
result = sys.stdout.getvalue()
assert error in result
def test__main__():
"""
Start the main function, activates the console and waits
"""
from lyth.__main__ import main
with unittest.mock.patch.object(
builtins, 'input', lambda x:
(_ for _ in ()).throw(KeyboardInterrupt())):
with unittest.mock.patch('sys.stdout', new_callable=StringIO):
assert main(["test.py", "-c", "cycle=2"]) == 0
assert "Keyboard interrupt" in sys.stdout.getvalue()
assert "Goodbye.\n" in sys.stdout.getvalue()
def test_exception():
"""
Start the main function, activates the console and send ctrl-c to it
"""
from lyth.__main__ import main
with unittest.mock.patch.object(
builtins, 'input', lambda x:
(_ for _ in ()).throw(Exception("exception from test"))):
with unittest.mock.patch('sys.stdout', new_callable=StringIO):
with unittest.mock.patch('sys.stderr', new_callable=StringIO):
assert main(["test.py", "-c", "cycle=2"]) == 1
assert "Exception: exception from test" in sys.stderr.getvalue(
)
assert "Goodbye.\n" in sys.stdout.getvalue()
"""
Entrypoint module, in case you use `python -mlyth`.
Why does this file exist, and why __main__? For more info, read:
- https://www.python.org/dev/peps/pep-0338/
- https://docs.python.org/2/using/cmdline.html#cmdoption-m
- https://docs.python.org/3/using/cmdline.html#cmdoption-m
"""
import sys
from lyth.cli import main
if __name__ == "__main__":
# You are outside of coverage. Do not put code here.
sys.exit(main())