335 lines
13 KiB
Python
335 lines
13 KiB
Python
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import print_function
|
|
|
|
import argparse
|
|
import distutils.spawn
|
|
import os
|
|
import sys
|
|
|
|
import py
|
|
|
|
import pytest
|
|
from _pytest.config import argparsing as parseopt
|
|
from _pytest.config.exceptions import UsageError
|
|
|
|
|
|
@pytest.fixture
|
|
def parser():
|
|
return parseopt.Parser()
|
|
|
|
|
|
class TestParser(object):
|
|
def test_no_help_by_default(self):
|
|
parser = parseopt.Parser(usage="xyz")
|
|
pytest.raises(UsageError, lambda: parser.parse(["-h"]))
|
|
|
|
def test_custom_prog(self, parser):
|
|
"""Custom prog can be set for `argparse.ArgumentParser`."""
|
|
assert parser._getparser().prog == os.path.basename(sys.argv[0])
|
|
parser.prog = "custom-prog"
|
|
assert parser._getparser().prog == "custom-prog"
|
|
|
|
def test_argument(self):
|
|
with pytest.raises(parseopt.ArgumentError):
|
|
# need a short or long option
|
|
argument = parseopt.Argument()
|
|
argument = parseopt.Argument("-t")
|
|
assert argument._short_opts == ["-t"]
|
|
assert argument._long_opts == []
|
|
assert argument.dest == "t"
|
|
argument = parseopt.Argument("-t", "--test")
|
|
assert argument._short_opts == ["-t"]
|
|
assert argument._long_opts == ["--test"]
|
|
assert argument.dest == "test"
|
|
argument = parseopt.Argument("-t", "--test", dest="abc")
|
|
assert argument.dest == "abc"
|
|
assert str(argument) == (
|
|
"Argument(_short_opts: ['-t'], _long_opts: ['--test'], dest: 'abc')"
|
|
)
|
|
|
|
def test_argument_type(self):
|
|
argument = parseopt.Argument("-t", dest="abc", type=int)
|
|
assert argument.type is int
|
|
argument = parseopt.Argument("-t", dest="abc", type=str)
|
|
assert argument.type is str
|
|
argument = parseopt.Argument("-t", dest="abc", type=float)
|
|
assert argument.type is float
|
|
with pytest.warns(DeprecationWarning):
|
|
with pytest.raises(KeyError):
|
|
argument = parseopt.Argument("-t", dest="abc", type="choice")
|
|
argument = parseopt.Argument(
|
|
"-t", dest="abc", type=str, choices=["red", "blue"]
|
|
)
|
|
assert argument.type is str
|
|
|
|
def test_argument_processopt(self):
|
|
argument = parseopt.Argument("-t", type=int)
|
|
argument.default = 42
|
|
argument.dest = "abc"
|
|
res = argument.attrs()
|
|
assert res["default"] == 42
|
|
assert res["dest"] == "abc"
|
|
|
|
def test_group_add_and_get(self, parser):
|
|
group = parser.getgroup("hello", description="desc")
|
|
assert group.name == "hello"
|
|
assert group.description == "desc"
|
|
|
|
def test_getgroup_simple(self, parser):
|
|
group = parser.getgroup("hello", description="desc")
|
|
assert group.name == "hello"
|
|
assert group.description == "desc"
|
|
group2 = parser.getgroup("hello")
|
|
assert group2 is group
|
|
|
|
def test_group_ordering(self, parser):
|
|
parser.getgroup("1")
|
|
parser.getgroup("2")
|
|
parser.getgroup("3", after="1")
|
|
groups = parser._groups
|
|
groups_names = [x.name for x in groups]
|
|
assert groups_names == list("132")
|
|
|
|
def test_group_addoption(self):
|
|
group = parseopt.OptionGroup("hello")
|
|
group.addoption("--option1", action="store_true")
|
|
assert len(group.options) == 1
|
|
assert isinstance(group.options[0], parseopt.Argument)
|
|
|
|
def test_group_addoption_conflict(self):
|
|
group = parseopt.OptionGroup("hello again")
|
|
group.addoption("--option1", "--option-1", action="store_true")
|
|
with pytest.raises(ValueError) as err:
|
|
group.addoption("--option1", "--option-one", action="store_true")
|
|
assert str({"--option1"}) in str(err.value)
|
|
|
|
def test_group_shortopt_lowercase(self, parser):
|
|
group = parser.getgroup("hello")
|
|
with pytest.raises(ValueError):
|
|
group.addoption("-x", action="store_true")
|
|
assert len(group.options) == 0
|
|
group._addoption("-x", action="store_true")
|
|
assert len(group.options) == 1
|
|
|
|
def test_parser_addoption(self, parser):
|
|
group = parser.getgroup("custom options")
|
|
assert len(group.options) == 0
|
|
group.addoption("--option1", action="store_true")
|
|
assert len(group.options) == 1
|
|
|
|
def test_parse(self, parser):
|
|
parser.addoption("--hello", dest="hello", action="store")
|
|
args = parser.parse(["--hello", "world"])
|
|
assert args.hello == "world"
|
|
assert not getattr(args, parseopt.FILE_OR_DIR)
|
|
|
|
def test_parse2(self, parser):
|
|
args = parser.parse([py.path.local()])
|
|
assert getattr(args, parseopt.FILE_OR_DIR)[0] == py.path.local()
|
|
|
|
def test_parse_known_args(self, parser):
|
|
parser.parse_known_args([py.path.local()])
|
|
parser.addoption("--hello", action="store_true")
|
|
ns = parser.parse_known_args(["x", "--y", "--hello", "this"])
|
|
assert ns.hello
|
|
assert ns.file_or_dir == ["x"]
|
|
|
|
def test_parse_known_and_unknown_args(self, parser):
|
|
parser.addoption("--hello", action="store_true")
|
|
ns, unknown = parser.parse_known_and_unknown_args(
|
|
["x", "--y", "--hello", "this"]
|
|
)
|
|
assert ns.hello
|
|
assert ns.file_or_dir == ["x"]
|
|
assert unknown == ["--y", "this"]
|
|
|
|
def test_parse_will_set_default(self, parser):
|
|
parser.addoption("--hello", dest="hello", default="x", action="store")
|
|
option = parser.parse([])
|
|
assert option.hello == "x"
|
|
del option.hello
|
|
parser.parse_setoption([], option)
|
|
assert option.hello == "x"
|
|
|
|
def test_parse_setoption(self, parser):
|
|
parser.addoption("--hello", dest="hello", action="store")
|
|
parser.addoption("--world", dest="world", default=42)
|
|
|
|
class A(object):
|
|
pass
|
|
|
|
option = A()
|
|
args = parser.parse_setoption(["--hello", "world"], option)
|
|
assert option.hello == "world"
|
|
assert option.world == 42
|
|
assert not args
|
|
|
|
def test_parse_special_destination(self, parser):
|
|
parser.addoption("--ultimate-answer", type=int)
|
|
args = parser.parse(["--ultimate-answer", "42"])
|
|
assert args.ultimate_answer == 42
|
|
|
|
def test_parse_split_positional_arguments(self, parser):
|
|
parser.addoption("-R", action="store_true")
|
|
parser.addoption("-S", action="store_false")
|
|
args = parser.parse(["-R", "4", "2", "-S"])
|
|
assert getattr(args, parseopt.FILE_OR_DIR) == ["4", "2"]
|
|
args = parser.parse(["-R", "-S", "4", "2", "-R"])
|
|
assert getattr(args, parseopt.FILE_OR_DIR) == ["4", "2"]
|
|
assert args.R is True
|
|
assert args.S is False
|
|
args = parser.parse(["-R", "4", "-S", "2"])
|
|
assert getattr(args, parseopt.FILE_OR_DIR) == ["4", "2"]
|
|
assert args.R is True
|
|
assert args.S is False
|
|
|
|
def test_parse_defaultgetter(self):
|
|
def defaultget(option):
|
|
if not hasattr(option, "type"):
|
|
return
|
|
if option.type is int:
|
|
option.default = 42
|
|
elif option.type is str:
|
|
option.default = "world"
|
|
|
|
parser = parseopt.Parser(processopt=defaultget)
|
|
parser.addoption("--this", dest="this", type=int, action="store")
|
|
parser.addoption("--hello", dest="hello", type=str, action="store")
|
|
parser.addoption("--no", dest="no", action="store_true")
|
|
option = parser.parse([])
|
|
assert option.hello == "world"
|
|
assert option.this == 42
|
|
assert option.no is False
|
|
|
|
def test_drop_short_helper(self):
|
|
parser = argparse.ArgumentParser(
|
|
formatter_class=parseopt.DropShorterLongHelpFormatter
|
|
)
|
|
parser.add_argument(
|
|
"-t", "--twoword", "--duo", "--two-word", "--two", help="foo"
|
|
).map_long_option = {"two": "two-word"}
|
|
# throws error on --deux only!
|
|
parser.add_argument(
|
|
"-d", "--deuxmots", "--deux-mots", action="store_true", help="foo"
|
|
).map_long_option = {"deux": "deux-mots"}
|
|
parser.add_argument("-s", action="store_true", help="single short")
|
|
parser.add_argument("--abc", "-a", action="store_true", help="bar")
|
|
parser.add_argument("--klm", "-k", "--kl-m", action="store_true", help="bar")
|
|
parser.add_argument(
|
|
"-P", "--pq-r", "-p", "--pqr", action="store_true", help="bar"
|
|
)
|
|
parser.add_argument(
|
|
"--zwei-wort", "--zweiwort", "--zweiwort", action="store_true", help="bar"
|
|
)
|
|
parser.add_argument(
|
|
"-x", "--exit-on-first", "--exitfirst", action="store_true", help="spam"
|
|
).map_long_option = {"exitfirst": "exit-on-first"}
|
|
parser.add_argument("files_and_dirs", nargs="*")
|
|
args = parser.parse_args(["-k", "--duo", "hallo", "--exitfirst"])
|
|
assert args.twoword == "hallo"
|
|
assert args.klm is True
|
|
assert args.zwei_wort is False
|
|
assert args.exit_on_first is True
|
|
assert args.s is False
|
|
args = parser.parse_args(["--deux-mots"])
|
|
with pytest.raises(AttributeError):
|
|
assert args.deux_mots is True
|
|
assert args.deuxmots is True
|
|
args = parser.parse_args(["file", "dir"])
|
|
assert "|".join(args.files_and_dirs) == "file|dir"
|
|
|
|
def test_drop_short_0(self, parser):
|
|
parser.addoption("--funcarg", "--func-arg", action="store_true")
|
|
parser.addoption("--abc-def", "--abc-def", action="store_true")
|
|
parser.addoption("--klm-hij", action="store_true")
|
|
args = parser.parse(["--funcarg", "--k"])
|
|
assert args.funcarg is True
|
|
assert args.abc_def is False
|
|
assert args.klm_hij is True
|
|
|
|
def test_drop_short_2(self, parser):
|
|
parser.addoption("--func-arg", "--doit", action="store_true")
|
|
args = parser.parse(["--doit"])
|
|
assert args.func_arg is True
|
|
|
|
def test_drop_short_3(self, parser):
|
|
parser.addoption("--func-arg", "--funcarg", "--doit", action="store_true")
|
|
args = parser.parse(["abcd"])
|
|
assert args.func_arg is False
|
|
assert args.file_or_dir == ["abcd"]
|
|
|
|
def test_drop_short_help0(self, parser, capsys):
|
|
parser.addoption("--func-args", "--doit", help="foo", action="store_true")
|
|
parser.parse([])
|
|
help = parser.optparser.format_help()
|
|
assert "--func-args, --doit foo" in help
|
|
|
|
# testing would be more helpful with all help generated
|
|
def test_drop_short_help1(self, parser, capsys):
|
|
group = parser.getgroup("general")
|
|
group.addoption("--doit", "--func-args", action="store_true", help="foo")
|
|
group._addoption(
|
|
"-h",
|
|
"--help",
|
|
action="store_true",
|
|
dest="help",
|
|
help="show help message and configuration info",
|
|
)
|
|
parser.parse(["-h"])
|
|
help = parser.optparser.format_help()
|
|
assert "-doit, --func-args foo" in help
|
|
|
|
def test_multiple_metavar_help(self, parser):
|
|
"""
|
|
Help text for options with a metavar tuple should display help
|
|
in the form "--preferences=value1 value2 value3" (#2004).
|
|
"""
|
|
group = parser.getgroup("general")
|
|
group.addoption(
|
|
"--preferences", metavar=("value1", "value2", "value3"), nargs=3
|
|
)
|
|
group._addoption("-h", "--help", action="store_true", dest="help")
|
|
parser.parse(["-h"])
|
|
help = parser.optparser.format_help()
|
|
assert "--preferences=value1 value2 value3" in help
|
|
|
|
|
|
def test_argcomplete(testdir, monkeypatch):
|
|
if not distutils.spawn.find_executable("bash"):
|
|
pytest.skip("bash not available")
|
|
script = str(testdir.tmpdir.join("test_argcomplete"))
|
|
pytest_bin = sys.argv[0]
|
|
if "pytest" not in os.path.basename(pytest_bin):
|
|
pytest.skip("need to be run with pytest executable, not {}".format(pytest_bin))
|
|
|
|
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" %s 8>&1 9>&2' % pytest_bin)
|
|
# alternative would be exteneded Testdir.{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 = testdir.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, argcomplete not available?")
|
|
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 = testdir.run("bash", str(script), arg)
|
|
result.stdout.fnmatch_lines(["test_argcomplete", "test_argcomplete.d/"])
|