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import unittest
from mopidy_mpd import exceptions, protocol
class TestConverts(unittest.TestCase):
def test_integer(self):
assert 123 == protocol.INT("123")
assert (-123) == protocol.INT("-123")
assert 123 == protocol.INT("+123")
self.assertRaises(ValueError, protocol.INT, "3.14")
self.assertRaises(ValueError, protocol.INT, "")
self.assertRaises(ValueError, protocol.INT, "abc")
self.assertRaises(ValueError, protocol.INT, "12 34")
def test_unsigned_integer(self):
assert 123 == protocol.UINT("123")
self.assertRaises(ValueError, protocol.UINT, "-123")
self.assertRaises(ValueError, protocol.UINT, "+123")
self.assertRaises(ValueError, protocol.UINT, "3.14")
self.assertRaises(ValueError, protocol.UINT, "")
self.assertRaises(ValueError, protocol.UINT, "abc")
self.assertRaises(ValueError, protocol.UINT, "12 34")
def test_boolean(self):
assert protocol.BOOL("1") is True
assert protocol.BOOL("0") is False
self.assertRaises(ValueError, protocol.BOOL, "3.14")
self.assertRaises(ValueError, protocol.BOOL, "")
self.assertRaises(ValueError, protocol.BOOL, "true")
self.assertRaises(ValueError, protocol.BOOL, "false")
self.assertRaises(ValueError, protocol.BOOL, "abc")
self.assertRaises(ValueError, protocol.BOOL, "12 34")
def test_range(self):
assert slice(1, 2) == protocol.RANGE("1")
assert slice(0, 1) == protocol.RANGE("0")
assert slice(0, None) == protocol.RANGE("0:")
assert slice(1, 3) == protocol.RANGE("1:3")
self.assertRaises(ValueError, protocol.RANGE, "3.14")
self.assertRaises(ValueError, protocol.RANGE, "1:abc")
self.assertRaises(ValueError, protocol.RANGE, "abc:1")
self.assertRaises(ValueError, protocol.RANGE, "2:1")
self.assertRaises(ValueError, protocol.RANGE, "-1:2")
self.assertRaises(ValueError, protocol.RANGE, "1 : 2")
self.assertRaises(ValueError, protocol.RANGE, "")
self.assertRaises(ValueError, protocol.RANGE, "true")
self.assertRaises(ValueError, protocol.RANGE, "false")
self.assertRaises(ValueError, protocol.RANGE, "abc")
self.assertRaises(ValueError, protocol.RANGE, "12 34")
class TestCommands(unittest.TestCase):
def setUp(self): # noqa: N802
self.commands = protocol.Commands()
def test_add_as_a_decorator(self):
@self.commands.add("test")
def test(context):
pass
def test_register_second_command_to_same_name_fails(self):
def func(context):
pass
self.commands.add("foo")(func)
with self.assertRaises(ValueError):
self.commands.add("foo")(func)
def test_function_only_takes_context_succeeds(self):
sentinel = object()
self.commands.add("bar")(lambda context: sentinel)
assert sentinel == self.commands.call(["bar"])
def test_function_has_required_arg_succeeds(self):
sentinel = object()
self.commands.add("bar")(lambda context, required: sentinel)
assert sentinel == self.commands.call(["bar", "arg"])
def test_function_has_optional_args_succeeds(self):
sentinel = object()
self.commands.add("bar")(lambda context, optional=None: sentinel)
assert sentinel == self.commands.call(["bar"])
assert sentinel == self.commands.call(["bar", "arg"])
def test_function_has_required_and_optional_args_succeeds(self):
sentinel = object()
def func(context, required, optional=None):
return sentinel
self.commands.add("bar")(func)
assert sentinel == self.commands.call(["bar", "arg"])
assert sentinel == self.commands.call(["bar", "arg", "arg"])
def test_function_has_varargs_succeeds(self):
sentinel, args = object(), []
self.commands.add("bar")(lambda context, *args: sentinel)
for _ in range(10):
assert sentinel == self.commands.call((["bar"] + args))
args.append("test")
def test_function_has_only_varags_succeeds(self):
sentinel = object()
self.commands.add("baz")(lambda *args: sentinel)
assert sentinel == self.commands.call(["baz"])
def test_function_has_no_arguments_fails(self):
with self.assertRaises(TypeError):
self.commands.add("test")(lambda: True)
def test_function_has_required_and_varargs_fails(self):
with self.assertRaises(TypeError):
def func(context, required, *args):
pass
self.commands.add("test")(func)
def test_function_has_optional_and_varargs_fails(self):
with self.assertRaises(TypeError):
def func(context, optional=None, *args):
pass
self.commands.add("test")(func)
def test_function_hash_keywordargs_fails(self):
with self.assertRaises(TypeError):
self.commands.add("test")(lambda context, **kwargs: True)
def test_call_chooses_correct_handler(self):
sentinel1, sentinel2, sentinel3 = object(), object(), object()
self.commands.add("foo")(lambda context: sentinel1)
self.commands.add("bar")(lambda context: sentinel2)
self.commands.add("baz")(lambda context: sentinel3)
assert sentinel1 == self.commands.call(["foo"])
assert sentinel2 == self.commands.call(["bar"])
assert sentinel3 == self.commands.call(["baz"])
def test_call_with_nonexistent_handler(self):
with self.assertRaises(exceptions.MpdUnknownCommand):
self.commands.call(["bar"])
def test_call_passes_context(self):
sentinel = object()
self.commands.add("foo")(lambda context: context)
assert sentinel == self.commands.call(["foo"], context=sentinel)
def test_call_without_args_fails(self):
with self.assertRaises(exceptions.MpdNoCommand):
self.commands.call([])
def test_call_passes_required_argument(self):
self.commands.add("foo")(lambda context, required: required)
assert "test123" == self.commands.call(["foo", "test123"])
def test_call_passes_optional_argument(self):
sentinel = object()
self.commands.add("foo")(lambda context, optional=sentinel: optional)
assert sentinel == self.commands.call(["foo"])
assert "test" == self.commands.call(["foo", "test"])
def test_call_passes_required_and_optional_argument(self):
def func(context, required, optional=None):
return (required, optional)
self.commands.add("foo")(func)
assert ("arg", None) == self.commands.call(["foo", "arg"])
assert ("arg", "kwarg") == self.commands.call(["foo", "arg", "kwarg"])
def test_call_passes_varargs(self):
self.commands.add("foo")(lambda context, *args: args)
def test_call_incorrect_args(self):
self.commands.add("foo")(lambda context: context)
with self.assertRaises(exceptions.MpdArgError):
self.commands.call(["foo", "bar"])
self.commands.add("bar")(lambda context, required: context)
with self.assertRaises(exceptions.MpdArgError):
self.commands.call(["bar", "bar", "baz"])
self.commands.add("baz")(lambda context, optional=None: context)
with self.assertRaises(exceptions.MpdArgError):
self.commands.call(["baz", "bar", "baz"])
def test_validator_gets_applied_to_required_arg(self):
sentinel = object()
def func(context, required):
return required
self.commands.add("test", required=lambda v: sentinel)(func)
assert sentinel == self.commands.call(["test", "foo"])
def test_validator_gets_applied_to_optional_arg(self):
sentinel = object()
def func(context, optional=None):
return optional
self.commands.add("foo", optional=lambda v: sentinel)(func)
assert sentinel == self.commands.call(["foo", "123"])
def test_validator_skips_optional_default(self):
sentinel = object()
def func(context, optional=sentinel):
return optional
self.commands.add("foo", optional=lambda v: None)(func)
assert sentinel == self.commands.call(["foo"])
def test_validator_applied_to_non_existent_arg_fails(self):
self.commands.add("foo")(lambda context, arg: arg)
with self.assertRaises(TypeError):
def func(context, wrong_arg):
return wrong_arg
self.commands.add("bar", arg=lambda v: v)(func)
def test_validator_called_context_fails(self):
return # TODO: how to handle this
with self.assertRaises(TypeError):
def func(context):
pass
self.commands.add("bar", context=lambda v: v)(func)
def test_validator_value_error_is_converted(self):
def validdate(value):
raise ValueError
def func(context, arg):
pass
self.commands.add("bar", arg=validdate)(func)
with self.assertRaises(exceptions.MpdArgError):
self.commands.call(["bar", "test"])
def test_auth_required_gets_stored(self):
def func1(context):
pass
def func2(context):
pass
self.commands.add("foo")(func1)
self.commands.add("bar", auth_required=False)(func2)
assert self.commands.handlers["foo"].auth_required
assert not self.commands.handlers["bar"].auth_required
def test_list_command_gets_stored(self):
def func1(context):
pass
def func2(context):
pass
self.commands.add("foo")(func1)
self.commands.add("bar", list_command=False)(func2)
assert self.commands.handlers["foo"].list_command
assert not self.commands.handlers["bar"].list_command
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