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# pyOCD debugger
# Copyright (c) 2019 Arm Limited
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import pytest
import six
from enum import Enum
from pyocd.utility.notification import (Notification, Notifier)
# Test both int and string events.
EVENT_A = 1
EVENT_B = "foo"
class Subscriber(object):
def __init__(self):
self.was_called = False
self.last_note = None
def cb(self, note):
self.was_called = True
self.last_note = note
@pytest.fixture
def notifier():
return Notifier()
@pytest.fixture
def subscriber():
return Subscriber()
class TestNotification(object):
def test_basic_sub_and_send_a(self, notifier, subscriber):
notifier.subscribe(subscriber.cb, EVENT_A)
notifier.notify(EVENT_A, self)
assert subscriber.was_called
assert subscriber.last_note.event == EVENT_A
assert subscriber.last_note.source == self
assert subscriber.last_note.data == None
def test_basic_sub_and_send_b(self, notifier, subscriber):
notifier.subscribe(subscriber.cb, EVENT_B)
notifier.notify(EVENT_B, self)
assert subscriber.was_called
assert subscriber.last_note.event == EVENT_B
assert subscriber.last_note.source == self
assert subscriber.last_note.data == None
def test_unsub(self, notifier, subscriber):
notifier.subscribe(subscriber.cb, EVENT_A)
notifier.unsubscribe(subscriber.cb)
notifier.notify(EVENT_A, self)
assert not subscriber.was_called
def test_unsub2(self, notifier, subscriber):
notifier.subscribe(subscriber.cb, EVENT_A)
notifier.unsubscribe(subscriber.cb, events=[EVENT_B])
notifier.notify(EVENT_A, self)
assert subscriber.was_called
def test_multiple_sub(self, notifier, subscriber):
notifier.subscribe(subscriber.cb, (EVENT_A, EVENT_B))
notifier.notify(EVENT_A, self)
assert subscriber.was_called
assert subscriber.last_note.event == EVENT_A
assert subscriber.last_note.source == self
assert subscriber.last_note.data == None
notifier.notify(EVENT_B, self)
assert subscriber.was_called
assert subscriber.last_note.event == EVENT_B
assert subscriber.last_note.source == self
assert subscriber.last_note.data == None
def test_diff_sub(self, notifier, subscriber):
s2 = Subscriber()
notifier.subscribe(subscriber.cb, EVENT_A)
notifier.subscribe(s2.cb, EVENT_B)
notifier.notify(EVENT_B, self)
assert not subscriber.was_called
assert s2.was_called
assert s2.last_note.event == EVENT_B
def test_src_sub(self, notifier, subscriber):
notifier.subscribe(subscriber.cb, EVENT_A, source=self)
notifier.notify(EVENT_A, self)
assert subscriber.was_called
assert subscriber.last_note.event == EVENT_A
assert subscriber.last_note.source == self
assert subscriber.last_note.data == None
def test_src_sub2(self, notifier, subscriber):
notifier.subscribe(subscriber.cb, EVENT_A, source=self)
notifier.notify(EVENT_A, notifier)
assert not subscriber.was_called
def test_unsub_src(self, notifier, subscriber):
notifier.subscribe(subscriber.cb, EVENT_A, source=self)
notifier.unsubscribe(subscriber.cb)
notifier.notify(EVENT_A, self)
assert not subscriber.was_called
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