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"""
Tests for command pipelines.
"""
import os
import pytest
from xonsh.platform import ON_WINDOWS
from xonsh.procs.pipelines import CommandPipeline
from xonsh.pytest.tools import skip_if_on_unix, skip_if_on_windows
@pytest.fixture(autouse=True)
def patched_events(monkeypatch, xonsh_events, xonsh_session):
from xonsh.jobs import get_tasks
get_tasks().clear()
# needed for ci tests
monkeypatch.setitem(
xonsh_session.env, "RAISE_SUBPROC_ERROR", False
) # for the failing `grep` commands
monkeypatch.setitem(
xonsh_session.env, "XONSH_CAPTURE_ALWAYS", True
) # capture output of ![]
if ON_WINDOWS:
monkeypatch.setattr(
xonsh_session.commands_cache,
"aliases",
{
"echo": "cmd /c echo".split(),
"grep": "cmd /c findstr".split(),
},
raising=False,
)
@pytest.mark.parametrize(
"cmdline, stdout, stderr",
(
("!(echo hi)", "hi\n", ""),
("!(echo hi o>e)", "", "hi\n"),
pytest.param(
"![echo hi]",
"hi\n",
"",
marks=pytest.mark.xfail(
ON_WINDOWS,
reason="ConsoleParallelReader doesn't work without a real console",
),
),
pytest.param(
"![echo hi o>e]",
"",
"hi\n",
marks=pytest.mark.xfail(
ON_WINDOWS, reason="stderr isn't captured in ![] on windows"
),
),
pytest.param(
r"!(echo 'hi\nho')", "hi\nho\n", "", marks=skip_if_on_windows
), # won't work with cmd
# for some reason cmd's echo adds an extra space:
pytest.param(
r"!(cmd /c 'echo hi && echo ho')", "hi \nho\n", "", marks=skip_if_on_unix
),
("!(echo hi | grep h)", "hi\n", ""),
("!(echo hi | grep x)", "", ""),
),
)
def test_command_pipeline_capture(cmdline, stdout, stderr, xonsh_execer):
pipeline: CommandPipeline = xonsh_execer.eval(cmdline)
assert pipeline.out == stdout
assert pipeline.err == (stderr or None)
assert pipeline.raw_out == stdout.replace("\n", os.linesep).encode()
assert pipeline.raw_err == stderr.replace("\n", os.linesep).encode()
@pytest.mark.parametrize(
"cmdline, output",
(
("echo hi", "hi\n"),
("echo hi | grep h", "hi\n"),
("echo hi | grep x", ""),
pytest.param("echo -n hi", "hi", marks=skip_if_on_windows),
),
)
def test_simple_capture(cmdline, output, xonsh_execer):
assert xonsh_execer.eval(f"$({cmdline})") == output
def test_raw_substitution(xonsh_execer):
assert xonsh_execer.eval("$(echo @(b'bytes!'))") == "bytes!\n"
@pytest.mark.parametrize(
"cmdline, result",
(
("bool(!(echo 1))", True),
("bool(!(nocommand))", False),
("int(!(echo 1))", 0),
("int(!(nocommand))", 1),
("hash(!(echo 1))", 0),
("hash(!(nocommand))", 1),
("str(!(echo 1))", "1\n"),
("str(!(nocommand))", ""),
("!(echo 1) == 0", True),
("!(nocommand) == 1", True),
pytest.param("!(echo -n str) == 'str'", True, marks=skip_if_on_windows),
("!(nocommand) == ''", True),
),
)
def test_casting(cmdline, result, xonsh_execer):
assert xonsh_execer.eval(f"{cmdline}") == result
@skip_if_on_windows
def test_background_pgid(xonsh_session, monkeypatch):
monkeypatch.setitem(xonsh_session.env, "XONSH_INTERACTIVE", True)
pipeline = xonsh_session.execer.eval("![echo hi &]")
assert pipeline.term_pgid is not None
|
