Namespace

Module

Methods

Included Modules

Constants

CHANNEL_IDENTIFIER = "test_stub"

Attributes

[R] connection
[R] subscription

Instance Public methods

assert_broadcast_on(stream_or_object, *args)

📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 278
        def assert_broadcast_on(stream_or_object, *args)
          super(broadcasting_for(stream_or_object), *args)
        end
🔎 See on GitHub

assert_broadcasts(stream_or_object, *args)

Enhance TestHelper assertions to handle non-String broadcastings

📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 274
        def assert_broadcasts(stream_or_object, *args)
          super(broadcasting_for(stream_or_object), *args)
        end
🔎 See on GitHub

assert_has_stream(stream)

Asserts that the specified stream has been started.

def test_assert_started_stream
  subscribe
  assert_has_stream 'messages'
end
📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 300
        def assert_has_stream(stream)
          assert subscription.streams.include?(stream), "Stream #{stream} has not been started"
        end
🔎 See on GitHub

assert_has_stream_for(object)

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
📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 311
        def assert_has_stream_for(object)
          assert_has_stream(broadcasting_for(object))
        end
🔎 See on GitHub

assert_no_streams()

Asserts that no streams have been started.

def test_assert_no_started_stream
  subscribe
  assert_no_streams
end
📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 289
        def assert_no_streams
          assert subscription.streams.empty?, "No streams started was expected, but #{subscription.streams.count} found"
        end
🔎 See on GitHub

perform(action, data = {})

Perform action on a channel.

NOTE: Must be subscribed.

📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 261
        def perform(action, data = {})
          check_subscribed!
          subscription.perform_action(data.stringify_keys.merge("action" => action.to_s))
        end
🔎 See on GitHub

stub_connection(identifiers = {})

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')
📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 239
        def stub_connection(identifiers = {})
          @connection = ConnectionStub.new(identifiers)
        end
🔎 See on GitHub

subscribe(params = {})

Subscribe to the channel under test. Optionally pass subscription parameters as a Hash.

📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 244
        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
🔎 See on GitHub

transmissions()

Returns messages transmitted into channel

📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 267
        def transmissions
          # Return only directly sent message (via #transmit)
          connection.transmissions.filter_map { |data| data["message"] }
        end
🔎 See on GitHub

unsubscribe()

Unsubscribe the subscription under test.

📝 Source code 
# File actioncable/lib/action_cable/channel/test_case.rb, line 253
        def unsubscribe
          check_subscribed!
          subscription.unsubscribe_from_channel
        end
🔎 See on GitHub