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# SPDX-FileCopyrightText: 2017 Ole Martin Bjorndalen <ombdalen@gmail.com>
#
# SPDX-License-Identifier: MIT
from mido.frozen import (
FrozenMessage,
FrozenMetaMessage,
FrozenUnknownMetaMessage,
freeze_message,
is_frozen,
thaw_message,
)
from mido.messages import Message
from mido.midifiles.meta import UnknownMetaMessage
def test_hashability():
"""Test that messages are hashable."""
hash(FrozenMessage('note_on'))
# List is converted to tuple.
hash(FrozenMessage('sysex', data=[1, 2, 3]))
hash(FrozenMetaMessage('track_name', name='Some track'))
hash(FrozenUnknownMetaMessage(123, [1, 2, 3]))
def test_freeze_and_thaw():
"""Test that messages are hashable."""
assert not is_frozen(thaw_message(freeze_message(Message('note_on'))))
def test_thawed_message_is_copy():
frozen_msg = FrozenMessage('note_on')
thawed_msg = Message('note_on')
assert thaw_message(frozen_msg) == thawed_msg
def test_is_frozen():
assert is_frozen(FrozenMessage('note_on'))
assert not is_frozen(Message('note_on'))
def test_frozen_repr():
msg = FrozenMessage('note_on', channel=1, note=2, time=3)
msg_eval = eval(repr(msg)) # noqa: S307
assert isinstance(msg_eval, FrozenMessage)
assert msg == msg_eval
def test_frozen_meta_repr():
msg = FrozenMetaMessage('end_of_track', time=10)
msg_eval = eval(repr(msg)) # noqa: S307
assert isinstance(msg_eval, FrozenMetaMessage)
assert msg == msg_eval
def test_frozen_unknown_meta_repr():
msg = FrozenUnknownMetaMessage(type_byte=99, data=[1, 2], time=10)
msg_eval = eval(repr(msg)) # noqa: S307
assert isinstance(msg_eval, UnknownMetaMessage)
assert msg == msg_eval
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