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"""Tests the xonsh lexer."""
import os
import pytest
from xonsh.pytest.tools import ON_WINDOWS, skip_if_on_unix, skip_if_on_windows
@pytest.fixture
def check_eval(xonsh_execer, xonsh_session, monkeypatch):
def factory(input):
env = {
"AUTO_CD": False,
"XONSH_ENCODING": "utf-8",
"XONSH_ENCODING_ERRORS": "strict",
"PATH": [],
}
for key, val in env.items():
monkeypatch.setitem(xonsh_session.env, key, val)
if ON_WINDOWS:
monkeypatch.setitem(
xonsh_session.env, "PATHEXT", [".COM", ".EXE", ".BAT", ".CMD"]
)
xonsh_execer.eval(input)
return True
return factory
@skip_if_on_unix
def test_win_ipconfig(check_eval):
assert check_eval(os.environ["SYSTEMROOT"] + "\\System32\\ipconfig.exe /all")
@skip_if_on_unix
def test_ipconfig(check_eval):
assert check_eval("ipconfig /all")
@skip_if_on_windows
def test_bin_ls(check_eval):
assert check_eval("/bin/ls -l")
def test_ls_dashl(xonsh_execer_parse):
assert xonsh_execer_parse("ls -l")
def test_which_ls(xonsh_execer_parse):
assert xonsh_execer_parse("which ls")
def test_echo_hello(xonsh_execer_parse):
assert xonsh_execer_parse("echo hello")
def test_echo_star_with_semi(xonsh_execer_parse):
assert xonsh_execer_parse("echo * spam ; ![echo eggs]\n")
def test_simple_func(xonsh_execer_parse):
code = "def prompt():\n" " return '{user}'.format(user='me')\n"
assert xonsh_execer_parse(code)
def test_lookup_alias(xonsh_execer_parse):
code = "def foo(a, s=None):\n" ' return "bar"\n' "@(foo)\n"
assert xonsh_execer_parse(code)
def test_lookup_anon_alias(xonsh_execer_parse):
code = 'echo "hi" | @(lambda a, s=None: a[0]) foo bar baz\n'
assert xonsh_execer_parse(code)
def test_simple_func_broken(xonsh_execer_parse):
code = "def prompt():\n" " return '{user}'.format(\n" " user='me')\n"
assert xonsh_execer_parse(code)
def test_bad_indent(xonsh_execer_parse):
code = "if True:\n" "x = 1\n"
with pytest.raises(SyntaxError):
xonsh_execer_parse(code)
def test_comment_colon_ending(xonsh_execer_parse):
code = "# this is a comment:\necho hello"
assert xonsh_execer_parse(code)
def test_good_rhs_subproc():
# nonsense but parsable
code = "str().split() | ![grep exit]\n"
assert code
def test_bad_rhs_subproc(xonsh_execer_parse):
# nonsense but unparsable
code = "str().split() | grep exit\n"
with pytest.raises(SyntaxError):
xonsh_execer_parse(code)
def test_indent_with_empty_line(xonsh_execer_parse):
code = "if True:\n" "\n" " some_command for_sub_process_mode\n"
assert xonsh_execer_parse(code)
def test_command_in_func(xonsh_execer_parse):
code = "def f():\n" " echo hello\n"
assert xonsh_execer_parse(code)
def test_command_in_func_with_comment(xonsh_execer_parse):
code = "def f():\n" " echo hello # comment\n"
assert xonsh_execer_parse(code)
def test_pyeval_redirect(xonsh_execer_parse):
code = 'echo @("foo") > bar\n'
assert xonsh_execer_parse(code)
def test_pyeval_multiline_str(xonsh_execer_parse):
code = 'echo @("""hello\nmom""")\n'
assert xonsh_execer_parse(code)
def test_echo_comma(xonsh_execer_parse):
code = "echo ,\n"
assert xonsh_execer_parse(code)
def test_echo_comma_val(xonsh_execer_parse):
code = "echo ,1\n"
assert xonsh_execer_parse(code)
def test_echo_comma_2val(xonsh_execer_parse):
code = "echo 1,2\n"
assert xonsh_execer_parse(code)
def test_echo_line_cont(xonsh_execer_parse):
code = 'echo "1 \\\n2"\n'
assert xonsh_execer_parse(code)
@pytest.mark.parametrize(
"code",
[
"echo a and \\\necho b\n",
"echo a \\\n or echo b\n",
"echo a \\\n or echo b and \\\n echo c\n",
"if True:\\\n echo a \\\n b\n",
],
)
def test_two_echo_line_cont(code, xonsh_execer_parse):
assert xonsh_execer_parse(code)
def test_eval_eol(check_eval):
assert check_eval("0") and check_eval("0\n")
def test_annotated_assign(xonsh_execer_exec):
# issue #3959 - didn't work because of `CtxAwareTransformer`
assert xonsh_execer_exec("x : int = 42")
def test_exec_eol(xonsh_execer_exec):
locs = dict()
assert xonsh_execer_exec("a=0", locs=locs) and xonsh_execer_exec("a=0\n", locs=locs)
def test_exec_print(capsys, xonsh_execer_exec):
ls = {"nested": "some long list"}
xonsh_execer_exec("print(ls)", locs=dict(ls=ls))
out, err = capsys.readouterr()
assert out.strip() == repr(ls)
def test_exec_function_scope(xonsh_execer_exec):
# issue 4363
assert xonsh_execer_exec("x = 0; (lambda: x)()")
assert xonsh_execer_exec("x = 0; [x for _ in [0]]")
def test_exec_scope_reuse(xonsh_execer_exec):
# Scopes should not be reused between execs.
# A first-pass incorrect solution to issue 4363 made this mistake.
assert xonsh_execer_exec("x = 0")
with pytest.raises(NameError):
xonsh_execer_exec("print(x)")
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