def test_run_stdin(pytester: Pytester) -> None:
with pytest.raises(pytester.TimeoutExpired):
pytester.run(
sys.executable,
"-c",
"import sys, time; time.sleep(1); print(sys.stdin.read())",
stdin=subprocess.PIPE,
timeout=0.1,
)
with pytest.raises(pytester.TimeoutExpired):
result = pytester.run(
sys.executable,
"-c",
"import sys, time; time.sleep(1); print(sys.stdin.read())",
stdin=b"input\n2ndline",
timeout=0.1,
)
result = pytester.run(
sys.executable,
"-c",
"import sys; print(sys.stdin.read())",
stdin=b"input\n2ndline",
)
assert result.stdout.lines == ["input", "2ndline"]
assert result.stderr.str() == ""
assert result.ret == 0
def test_argcomplete(pytester: Pytester, monkeypatch: MonkeyPatch) -> None:
try:
bash_version = subprocess.run(
["bash", "--version"],
stdout=subprocess.PIPE,
stderr=subprocess.DEVNULL,
check=True,
text=True,
).stdout
except (OSError, subprocess.CalledProcessError):
pytest.skip("bash is not available")
if "GNU bash" not in bash_version:
# See #7518.
pytest.skip("not a real bash")
script = str(pytester.path.joinpath("test_argcomplete"))
with open(str(script), "w") as fp:
# redirect output from argcomplete to stdin and stderr is not trivial
# http://stackoverflow.com/q/12589419/1307905
# so we use bash
fp.write(
'COMP_WORDBREAKS="$COMP_WORDBREAKS" {} -m pytest 8>&1 9>&2'.format(
shlex.quote(sys.executable)
)
)
# alternative would be extended Pytester.{run(),_run(),popen()} to be able
# to handle a keyword argument env that replaces os.environ in popen or
# extends the copy, advantage: could not forget to restore
monkeypatch.setenv("_ARGCOMPLETE", "1")
monkeypatch.setenv("_ARGCOMPLETE_IFS", "\x0b")
monkeypatch.setenv("COMP_WORDBREAKS", " \\t\\n\"\\'><=;|&(:")
arg = "--fu"
monkeypatch.setenv("COMP_LINE", "pytest " + arg)
monkeypatch.setenv("COMP_POINT", str(len("pytest " + arg)))
result = pytester.run("bash", str(script), arg)
if result.ret == 255:
# argcomplete not found
pytest.skip("argcomplete not available")
elif not result.stdout.str():
pytest.skip(
"bash provided no output on stdout, argcomplete not available? (stderr={!r})".format(
result.stderr.str()
)
)
else:
result.stdout.fnmatch_lines(["--funcargs", "--fulltrace"])
os.mkdir("test_argcomplete.d")
arg = "test_argc"
monkeypatch.setenv("COMP_LINE", "pytest " + arg)
monkeypatch.setenv("COMP_POINT", str(len("pytest " + arg)))
result = pytester.run("bash", str(script), arg)
result.stdout.fnmatch_lines(["test_argcomplete", "test_argcomplete.d/"])
def test_already_initialized(faulthandler_timeout: int,
pytester: Pytester) -> None:
"""Test for faulthandler being initialized earlier than pytest (#6575)."""
pytester.makepyfile("""
def test():
import faulthandler
assert faulthandler.is_enabled()
""")
result = pytester.run(
sys.executable,
"-X",
"faulthandler",
"-mpytest",
pytester.path,
"-o",
f"faulthandler_timeout={faulthandler_timeout}",
)
# ensure warning is emitted if faulthandler_timeout is configured
warning_line = "*faulthandler.py*faulthandler module enabled before*"
if faulthandler_timeout > 0:
result.stdout.fnmatch_lines(warning_line)
else:
result.stdout.no_fnmatch_line(warning_line)
result.stdout.fnmatch_lines("*1 passed*")
assert result.ret == 0
def test_crash_during_shutdown_not_captured(pytester: Pytester) -> None:
"""
Check that pytest leaves faulthandler disabled if it was not enabled during configure.
This prevents us from seeing crashes during interpreter shutdown (see #8260).
"""
setup_crashing_test(pytester)
args = (sys.executable, "-mpytest")
result = pytester.run(*args)
result.stderr.no_fnmatch_line("*Fatal Python error*")
assert result.ret != 0
def test_crash_during_shutdown_captured(pytester: Pytester) -> None:
"""
Re-enable faulthandler if pytest encountered it enabled during configure.
We should be able to then see crashes during interpreter shutdown.
"""
setup_crashing_test(pytester)
args = (sys.executable, "-Xfaulthandler", "-mpytest")
result = pytester.run(*args)
result.stderr.fnmatch_lines(["*Fatal Python error*"])
assert result.ret != 0
def test_show_fixture_action_with_bytes(pytester: Pytester) -> None:
# Issue 7126, BytesWarning when using --setup-show with bytes parameter
test_file = pytester.makepyfile("""
import pytest
@pytest.mark.parametrize('data', [b'Hello World'])
def test_data(data):
pass
""")
result = pytester.run(sys.executable, "-bb", "-m", "pytest",
"--setup-show", str(test_file))
assert result.ret == 0
def test_already_initialized_crash(pytester: Pytester) -> None:
"""Even if faulthandler is already initialized, we still dump tracebacks on crashes (#8258)."""
pytester.makepyfile("""
def test():
import faulthandler
faulthandler._sigabrt()
""")
result = pytester.run(
sys.executable,
"-X",
"faulthandler",
"-mpytest",
pytester.path,
)
result.stderr.fnmatch_lines(["*Fatal Python error*"])
assert result.ret != 0
def test_python_pytest_package(self, pytester: Pytester) -> None:
p1 = pytester.makepyfile("def test_pass(): pass")
res = pytester.run(sys.executable, "-m", "pytest", str(p1))
assert res.ret == 0
res.stdout.fnmatch_lines(["*1 passed*"])
def test_python_minus_m_invocation_fail(self, pytester: Pytester) -> None:
p1 = pytester.makepyfile("def test_fail(): 0/0")
res = pytester.run(sys.executable, "-m", "pytest", str(p1))
assert res.ret == 1
