On this page
module ActionCable::Channel::TestCase::Behavior
Constants
- CHANNEL_IDENTIFIER
Public Instance Methods
# File actioncable/lib/action_cable/channel/test_case.rb, line 258
def assert_broadcast_on(stream_or_object, *args)
super(broadcasting_for(stream_or_object), *args)
end
Calls superclass method
ActionCable::TestHelper#assert_broadcast_on
# File actioncable/lib/action_cable/channel/test_case.rb, line 254
def assert_broadcasts(stream_or_object, *args)
super(broadcasting_for(stream_or_object), *args)
end
Enhance TestHelper
assertions to handle non-String broadcastings
Calls superclass method
ActionCable::TestHelper#assert_broadcasts
# File actioncable/lib/action_cable/channel/test_case.rb, line 280
def assert_has_stream(stream)
assert subscription.streams.include?(stream), "Stream #{stream} has not been started"
end
Asserts that the specified stream has been started.
def test_assert_started_stream
subscribe
assert_has_stream 'messages'
end
# File actioncable/lib/action_cable/channel/test_case.rb, line 291
def assert_has_stream_for(object)
assert_has_stream(broadcasting_for(object))
end
Asserts that the specified stream for a model has started.
def test_assert_started_stream_for
subscribe id: 42
assert_has_stream_for User.find(42)
end
# File actioncable/lib/action_cable/channel/test_case.rb, line 269
def assert_no_streams
assert subscription.streams.empty?, "No streams started was expected, but #{subscription.streams.count} found"
end
Asserts that no streams have been started.
def test_assert_no_started_stream
subscribe
assert_no_streams
end
# File actioncable/lib/action_cable/channel/test_case.rb, line 241
def perform(action, data = {})
check_subscribed!
subscription.perform_action(data.stringify_keys.merge("action" => action.to_s))
end
Perform action on a channel.
NOTE: Must be subscribed.
# File actioncable/lib/action_cable/channel/test_case.rb, line 219
def stub_connection(identifiers = {})
@connection = ConnectionStub.new(identifiers)
end
Set up test connection with the specified identifiers:
class ApplicationCable < ActionCable::Connection::Base
identified_by :user, :token
end
stub_connection(user: users[:john], token: 'my-secret-token')
# File actioncable/lib/action_cable/channel/test_case.rb, line 224
def subscribe(params = {})
@connection ||= stub_connection
@subscription = self.class.channel_class.new(connection, CHANNEL_IDENTIFIER, params.with_indifferent_access)
@subscription.singleton_class.include(ChannelStub)
@subscription.subscribe_to_channel
@subscription
end
Subscribe to the channel under test. Optionally pass subscription parameters as a Hash
.
# File actioncable/lib/action_cable/channel/test_case.rb, line 247
def transmissions
# Return only directly sent message (via #transmit)
connection.transmissions.map { |data| data["message"] }.compact
end
Returns messages transmitted into channel
# File actioncable/lib/action_cable/channel/test_case.rb, line 233
def unsubscribe
check_subscribed!
subscription.unsubscribe_from_channel
end
Unsubscribe the subscription under test.
© 2004–2020 David Heinemeier Hansson
Licensed under the MIT License.