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"""Testing built_ins.Aliases"""
import inspect
import os
import sys
import pytest
from xonsh.aliases import Aliases, ExecAlias
def cd(args, stdin=None, **kwargs):
return args
def make_aliases():
ales = Aliases(
{"o": ["omg", "lala"]},
color_ls=["ls", "--color=true"],
ls="ls '- -'",
cd=cd,
indirect_cd="cd ..",
)
return ales
def test_imports(xession):
ales = make_aliases()
expected = {
"o": ["omg", "lala"],
"ls": ["ls", "- -"],
"color_ls": ["ls", "--color=true"],
"cd": cd,
"indirect_cd": ["cd", ".."],
}
raw = ales._raw
assert raw == expected
def test_eval_normal(xession):
ales = make_aliases()
assert ales.get("o") == ["omg", "lala"]
def test_eval_self_reference(xession):
ales = make_aliases()
assert ales.get("ls") == ["ls", "- -"]
def test_eval_recursive(xession):
ales = make_aliases()
assert ales.get("color_ls") == ["ls", "- -", "--color=true"]
def test_eval_recursive_callable_partial(xonsh_execer, xession):
ales = make_aliases()
xession.env["HOME"] = os.path.expanduser("~")
assert ales.get("indirect_cd")(["arg2", "arg3"]) == ["..", "arg2", "arg3"]
def _return_to_sender_all(args, stdin, stdout, stderr, spec, stack):
return (
args,
{
"stdin": stdin,
"stdout": stdout,
"stderr": stderr,
"spec": spec,
"stack": stack,
},
)
def test_recursive_callable_partial_all(xession):
ales = Aliases({"rtn": _return_to_sender_all, "rtn-recurse": ["rtn", "arg1"]})
alias = ales.get("rtn-recurse")
assert callable(alias)
args, obs = alias(["arg2"], stdin="a", stdout="b", stderr="c", spec="d", stack="e")
assert args == ["arg1", "arg2"]
assert len(obs) == 5
exp = {"stdin": "a", "stdout": "b", "stderr": "c", "spec": "d", "stack": "e"}
assert obs == exp
def _return_to_sender_handles(args, stdin, stdout, stderr):
return args, {"stdin": stdin, "stdout": stdout, "stderr": stderr}
def test_recursive_callable_partial_handles(xession):
ales = Aliases({"rtn": _return_to_sender_handles, "rtn-recurse": ["rtn", "arg1"]})
alias = ales.get("rtn-recurse")
assert callable(alias)
args, obs = alias(["arg2"], stdin="a", stdout="b", stderr="c")
assert args == ["arg1", "arg2"]
assert len(obs) == 3
exp = {"stdin": "a", "stdout": "b", "stderr": "c"}
assert obs == exp
def _return_to_sender_none():
return "wakka", {}
def test_recursive_callable_partial_none(xession):
ales = Aliases({"rtn": _return_to_sender_none, "rtn-recurse": ["rtn"]})
alias = ales.get("rtn-recurse")
assert callable(alias)
args, obs = alias()
assert args == "wakka"
assert len(obs) == 0
@pytest.mark.parametrize(
"alias",
[
"echo 'hi' and echo 'there'",
"echo 'hi' or echo 'there'",
"echo 'hi' && echo 'there'",
"echo 'hi' || echo 'there'",
"echo 'hi'; echo 'there'",
],
)
def test_subprocess_logical_operators(xession, alias):
ales = make_aliases()
ales["echocat"] = alias
assert isinstance(ales["echocat"], ExecAlias)
@pytest.mark.parametrize(
"alias",
[
"echo 'hi' | grep h",
"echo 'hi' > file",
"cat < file",
"COMMAND1 e>o < input.txt | COMMAND2 > output.txt e>> errors.txt",
"echo 'h|i' | grep h",
"echo 'h|i << x > 3' | grep x",
],
)
def test_subprocess_io_operators(xession, alias):
ales = make_aliases()
ales["echocat"] = alias
assert isinstance(ales["echocat"], ExecAlias)
@pytest.mark.parametrize(
"alias",
[
{"echocat": "ls"},
],
)
def test_dict_merging(xession, alias):
ales = make_aliases()
assert (ales | alias)["echocat"] == ["ls"]
assert (alias | ales)["echocat"] == ["ls"]
assert "echocat" not in ales
@pytest.mark.parametrize(
"alias",
[
{"echocat": "echo Why do people still use python2.7?"},
{"echocat": "echo Why?"},
],
)
def test_dict_merging_assignment(xession, alias):
ales = make_aliases()
ales |= alias
assert "echocat" in ales
assert " ".join(ales["echocat"]) == alias["echocat"]
ales = make_aliases()
alias |= ales
assert "o" in alias
assert alias["o"] == ales["o"]
def test_exec_alias_args(xession):
stack = inspect.stack()
try:
ExecAlias("myargs = $args")(["arg0"], stack=stack)
ExecAlias("myarg0 = $arg0")(["arg0"], stack=stack)
except KeyError:
assert False # noqa
assert stack[0][0].f_locals["myargs"] == ["arg0"]
assert stack[0][0].f_locals["myarg0"] == "arg0"
@pytest.mark.parametrize(
"exp_rtn",
[0, 1, 2],
)
def test_exec_alias_return_value(exp_rtn, xonsh_session, monkeypatch):
monkeypatch.setitem(xonsh_session.env, "RAISE_SUBPROC_ERROR", False)
stack = inspect.stack()
rtn = ExecAlias(f"{sys.executable} -c 'exit({exp_rtn})'")([], stack=stack)
assert rtn == exp_rtn
def test_register_decorator(xession):
aliases = Aliases()
@aliases.register
def debug():
...
@aliases.register("name")
def with_options():
...
@aliases.register
def _private():
...
assert set(aliases) == {"debug", "name", "private"}
|
