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import pytest
from pytest_subprocess.utils import Any
from pytest_subprocess.utils import Command
def check_match(command_instance, command):
assert command_instance == command
assert command_instance == tuple(command)
assert command_instance == " ".join(command)
return True
def check_not_match(command_instance, command):
assert command_instance != command
assert command_instance != tuple(command)
assert command_instance != " ".join(command)
return True
@pytest.mark.parametrize("command", ("whoami", ["whoami"]))
def test_simple_command(command):
command = Command(command)
assert check_match(command, ["whoami"])
@pytest.mark.parametrize("command", ("test command", ("test", "command")))
def test_more_complex_command(command):
command = Command(command)
assert check_match(command, ["test", "command"])
assert check_not_match(command, ["other", "command"])
def test_simple_wildcards():
command = Command([Any()])
assert check_match(command, ["test"])
assert check_match(command, ["not_test"])
assert check_match(command, ["something", "a", "bit", "longer"])
assert check_match(command, ["basically", "everything", "will", "match"])
command = Command(["test", Any()])
assert check_match(command, ["test", "something"])
assert check_match(command, ["test", "something_else"])
assert check_not_match(command, ["something", "test"])
assert check_match(command, ["test"])
command = Command([Any(), "test"])
assert check_match(command, ["something", "test"])
assert check_match(command, ["something_else", "test"])
assert check_match(command, ["test"])
assert check_not_match(command, ["test", "something"])
command = Command(["test", Any(), "other_test"])
assert check_match(command, ["test", "something", "other_test"])
assert check_match(command, ["test", "something_else", "other_test"])
assert check_match(command, ["test", "other_test"])
assert check_not_match(command, ["test", "something_else"])
def test_more_complex_wildcards():
command = Command(["test", Any()])
assert check_match(command, ["test", "with", "more", "arguments"])
command = Command(["test", Any(), "end"])
assert check_match(command, ["test", "blah", "end"])
assert check_match(command, ["test", "with", "more", "arguments", "end"])
assert check_not_match(
command, ["test", "with", "more", "arguments", "invalid_end"]
)
def test_any_max():
command = Command([Any(max=1)])
assert check_match(command, ["test"])
assert check_match(command, ["other_test"])
assert check_not_match(command, ["two", "arguments"])
assert check_not_match(command, ["th", "ree", "arguments"])
command = Command(["test", Any(max=3)])
assert check_match(command, ["test", "max", "3", "args"])
assert check_match(command, ["test", "can_be", "less"])
assert check_match(command, ["test"])
assert check_not_match(command, ["wrong", "first", "argument"])
assert check_not_match(command, ["test", "more", "than", "3", "args"])
command = Command(["test", Any(max=2), "end"])
assert check_match(command, ["test", "two", "args", "end"])
assert check_match(command, ["test", "one_arg", "end"])
assert check_not_match(command, ["test", "oops", "three", "args", "end"])
assert check_not_match(command, ["test", "two", "args", "wrong_end"])
command = Command(["test", Any(max=1), "middle", Any(max=2), "end"])
assert check_match(
command, ["test", "one_argument", "middle", "two", "args", "end"]
)
assert check_match(command, ["test", "middle", "one_arg", "end"])
assert check_not_match(
command, ["test", "two", "args", "middle", "two", "args", "end"]
)
def test_any_min():
command = Command([Any(min=2)])
assert check_match(command, ["any", "two"])
assert check_match(command, ["or", "even", "three"])
assert check_not_match(command, ["but_not_one"])
command = Command(["test", Any(min=1), "end"])
assert check_match(command, ["test", "with", "more", "arguments", "end"])
assert check_match(command, ["test", "only_one", "end"])
assert check_not_match(command, ["only_one", "end"])
assert check_not_match(command, ["test", "only_one"])
assert check_not_match(command, ["test", "end"])
command = Command(["test", Any(min=1), "middle", Any(min=2), "end"])
assert check_match(
command, ["test", "one_argument", "middle", "two", "args", "end"]
)
assert check_not_match(command, ["test", "middle", "two", "args", "end"])
assert check_not_match(
command, ["test", "one_argument", "middle", "one_argument", "end"]
)
def test_min_max_combined():
command = Command([Any(min=2, max=4)])
assert check_match(command, ["just", "two"])
assert check_match(command, ["now", "three", "arguments"])
assert check_match(command, ["up", "to", "even", "four"])
assert check_not_match(command, ["single_argument"])
assert check_not_match(command, ["five", "is", "little", "too", "many"])
command = Command(["start", Any(min=1, max=1), "end"])
assert check_match(command, ["start", "anything", "end"])
assert check_not_match(command, ["start", "end"])
assert check_not_match(command, ["start", "too", "many", "end"])
def test_invalid_instantiation():
with pytest.raises(AttributeError, match="min cannot be greater than max"):
Any(min=3, max=2)
with pytest.raises(
AttributeError, match=r"Cannot use `Any\(\)` one after another."
):
Command([Any(), Any()])
with pytest.raises(
TypeError, match="Command can be only of type string, list or tuple."
):
Command(dict(command="ls"))
def test_str_conversions():
no_arguments = Any()
assert str(no_arguments) == "Any (min=None, max=None)"
min_max = Any(min=1, max=3)
assert str(min_max) == "Any (min=1, max=3)"
simple_command = Command(["ls", "-lah"])
assert str(simple_command) == "('ls', '-lah')"
command_with_any = Command(["ls", Any()])
assert str(command_with_any) == "('ls', Any (min=None, max=None))"
def test_command_iter():
"""Make sure Command supports iteration"""
command = Command(["a", "a", "a"])
assert all(elem == "a" for elem in command)
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