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import io
import sys
from contextlib import contextmanager
from unittest.mock import Mock, patch, call
import pytest
from aioconsole import InteractiveEventLoop, apython, rlwrap, compat
startupfile = """
def hehe():
return 42
foo = 1
# Imports work
import math
r = math.cos(0)
# Exec works and is visible from the interpreter
s = 'from pprint import pprint'
exec(s)
"""
@contextmanager
def mock_module(name):
try:
module = sys.modules.get(name)
sys.modules[name] = Mock()
yield sys.modules[name]
finally:
if module is None:
del sys.modules[name]
else:
sys.modules[name] = module
@pytest.fixture(params=["linux", "darwin", "win32"])
def platform(request):
with patch("aioconsole.compat.platform", new=request.param):
yield request.param
@pytest.fixture
def mock_readline(platform):
with mock_module("readline"):
with patch("aioconsole.rlwrap.ctypes") as m_ctypes:
if platform == "darwin":
stdin = "__stdinp"
stderr = "__stderrp"
else:
stdin = "stdin"
stderr = "stderr"
def readline(fin, ferr, prompt):
sys.stderr.write(prompt.decode())
return sys.stdin.readline().encode()
api = m_ctypes.pythonapi
call_readline = api.PyOS_Readline
call_readline.side_effect = readline
if platform == "darwin":
with patch("aioconsole.rlwrap.fcntl", create=True):
yield call_readline
else:
yield call_readline
if call_readline.called:
m_ctypes.c_void_p.in_dll.assert_has_calls(
[call(api, stdin), call(api, stderr)]
)
@pytest.fixture(params=["readline", "no-readline"])
def use_readline(request, mock_readline, platform):
if request.param == "readline":
# Readline tests hang on windows for some reason
if sys.platform == "win32":
pytest.xfail()
return []
return ["--no-readline"]
def test_input_with_stderr_prompt(mock_readline):
with patch("sys.stdin", new=io.StringIO("test\n")):
assert rlwrap.input(use_stderr=True) == "test"
def test_basic_apython_usage(capfd, use_readline):
with patch("sys.stdin", new=io.StringIO("1+1\n")):
with pytest.raises(SystemExit):
apython.run_apython(["--banner=test"] + use_readline)
out, err = capfd.readouterr()
assert out == ""
assert err == "test\n>>> 2\n>>> \n"
def test_missing_readline(capfd, use_readline):
sys.modules["readline"] = None
with patch("sys.stdin", new=io.StringIO("1+1\n")):
with pytest.raises(SystemExit):
apython.run_apython(["--banner=test"] + use_readline)
out, err = capfd.readouterr()
assert out == ""
assert err == "test\n>>> 2\n>>> \n"
def test_interactive_hook_error(capfd, use_readline, platform):
sys.modules["readline"].parse_and_bind.side_effect = ZeroDivisionError()
with patch("sys.stdin", new=io.StringIO("1+1\n")):
with pytest.raises(SystemExit):
with pytest.warns(UserWarning):
apython.run_apython(["--banner=test"] + use_readline)
out, err = capfd.readouterr()
assert out == ""
assert err == "test\n>>> 2\n>>> \n"
def test_basic_apython_usage_with_sys_argv(capfd, use_readline):
with patch("sys.argv", new=["path.py", "--banner=test"] + use_readline):
with patch("sys.stdin", new=io.StringIO("1+1\n")):
with pytest.raises(SystemExit):
apython.run_apython()
out, err = capfd.readouterr()
assert out == ""
assert err == "test\n>>> 2\n>>> \n"
def test_apython_with_prompt_control(capfd):
with patch("sys.stdin", new=io.StringIO("1+1\n")):
with pytest.raises(SystemExit):
apython.run_apython(
["--banner=test", "--prompt-control=▲", "--no-readline"]
)
out, err = capfd.readouterr()
assert out == ""
assert err == "test\n▲>>> ▲2\n▲>>> ▲\n"
def test_apython_with_prompt_control_and_ainput(capfd):
input_string = "await ainput()\nhello\n"
with patch("sys.stdin", new=io.StringIO(input_string)):
with pytest.raises(SystemExit):
apython.run_apython(
["--no-readline", "--banner=test", "--prompt-control=▲"]
)
out, err = capfd.readouterr()
assert out == ""
assert err == "test\n▲>>> ▲▲▲'hello'\n▲>>> ▲\n"
def test_apython_with_ainput(capfd, use_readline):
input_string = "await ainput()\nhello\n"
with patch("sys.stdin", new=io.StringIO(input_string)):
with pytest.raises(SystemExit):
apython.run_apython(["--banner=test"] + use_readline)
out, err = capfd.readouterr()
assert out == ""
assert err == "test\n>>> 'hello'\n>>> \n"
def test_apython_with_stdout_logs(capfd, use_readline):
with patch(
"sys.stdin", new=io.StringIO('import sys; sys.stdout.write("logging") or 7\n')
):
with pytest.raises(SystemExit):
apython.run_apython(["--banner=test"] + use_readline)
out, err = capfd.readouterr()
assert out == "logging"
assert err == "test\n>>> 7\n>>> \n"
def test_apython_server(capfd):
def run_forever(self, orig=InteractiveEventLoop.run_forever):
if self.console_server is not None:
self.call_later(0, self.stop)
return orig(self)
with patch("aioconsole.InteractiveEventLoop.run_forever", run_forever):
with pytest.raises(SystemExit):
apython.run_apython(["--serve=:0"])
out, err = capfd.readouterr()
assert out.startswith("The console is being served on")
assert err == ""
@pytest.mark.skipif(
compat.platform == "win32", reason="apython does not run in a subprocess on windows"
)
def test_apython_non_existing_file(capfd):
with pytest.raises(SystemExit):
apython.run_apython(["idontexist.py"])
out, err = capfd.readouterr()
assert out == ""
assert "No such file or directory" in err
assert "idontexist.py" in err
@pytest.mark.skipif(
compat.platform == "win32", reason="apython does not run in a subprocess on windows"
)
def test_apython_non_existing_module(capfd):
with pytest.raises(SystemExit):
apython.run_apython(["-m", "idontexist"])
out, err = capfd.readouterr()
assert out == ""
assert "No module named idontexist" in err
def test_apython_pythonstartup(capfd, use_readline, monkeypatch, tmpdir):
python_startup = tmpdir / "python_startup.py"
monkeypatch.setenv("PYTHONSTARTUP", str(python_startup))
python_startup.write(startupfile)
test_vectors = (
("print(foo)\n", "", ">>> 1\n"),
("print(hehe())\n", "", ">>> 42\n"),
("print(r)\n", "", ">>> 1.0\n"),
("pprint({1:2})\n", "{1: 2}\n", ">>> >>> \n"),
)
inputstr = "".join([tv[0] for tv in test_vectors])
outstr = "".join([tv[1] for tv in test_vectors])
errstr = "test\n" + "".join([tv[2] for tv in test_vectors])
with patch("sys.stdin", new=io.StringIO(inputstr)):
with pytest.raises(SystemExit):
apython.run_apython(["--banner=test"] + use_readline)
out, err = capfd.readouterr()
assert out == outstr
assert err == errstr
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