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包含的模块

常量

CHANNEL_IDENTIFIER = "test_stub"
 

属性

[R] connection
[R] subscription

实例公共方法

assert_broadcast_on(stream_or_object, *args)

# File actioncable/lib/action_cable/channel/test_case.rb, line 282
def assert_broadcast_on(stream_or_object, *args)
  super(broadcasting_for(stream_or_object), *args)
end

assert_broadcasts(stream_or_object, *args)

增强 TestHelper 断言以处理非字符串广播

# File actioncable/lib/action_cable/channel/test_case.rb, line 278
def assert_broadcasts(stream_or_object, *args)
  super(broadcasting_for(stream_or_object), *args)
end

assert_has_no_stream(stream)

断言指定的流尚未启动。

def test_assert_no_started_stream
  subscribe
  assert_has_no_stream 'messages'
end
# File actioncable/lib/action_cable/channel/test_case.rb, line 326
def assert_has_no_stream(stream)
  assert subscription.streams.exclude?(stream), "Stream #{stream} has been started"
end

assert_has_no_stream_for(object)

断言指定模型的流尚未启动。

def test_assert_no_started_stream_for
  subscribe id: 41
  assert_has_no_stream_for User.find(42)
end
# File actioncable/lib/action_cable/channel/test_case.rb, line 337
def assert_has_no_stream_for(object)
  assert_has_no_stream(broadcasting_for(object))
end

assert_has_stream(stream)

断言指定的流已启动。

def test_assert_started_stream
  subscribe
  assert_has_stream 'messages'
end
# File actioncable/lib/action_cable/channel/test_case.rb, line 304
def assert_has_stream(stream)
  assert subscription.streams.include?(stream), "Stream #{stream} has not been started"
end

assert_has_stream_for(object)

断言指定模型的流已启动。

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 315
def assert_has_stream_for(object)
  assert_has_stream(broadcasting_for(object))
end

assert_no_streams()

断言没有流启动。

def test_assert_no_started_stream
  subscribe
  assert_no_streams
end
# File actioncable/lib/action_cable/channel/test_case.rb, line 293
def assert_no_streams
  assert subscription.streams.empty?, "No streams started was expected, but #{subscription.streams.count} found"
end

perform(action, data = {})

在频道上执行操作。

注意:必须已订阅。

# File actioncable/lib/action_cable/channel/test_case.rb, line 266
def perform(action, data = {})
  check_subscribed!
  subscription.perform_action(data.stringify_keys.merge("action" => action.to_s))
end

stub_connection(identifiers = {})

使用指定的标识符设置测试连接

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 243
def stub_connection(identifiers = {})
  @connection = ConnectionStub.new(identifiers)
end

subscribe(params = {})

订阅正在测试的频道。可以选择传递订阅参数作为 Hash.

# File actioncable/lib/action_cable/channel/test_case.rb, line 249
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

transmissions()

返回发送到通道的消息

# File actioncable/lib/action_cable/channel/test_case.rb, line 272
def transmissions
  # Return only directly sent message (via #transmit)
  connection.transmissions.filter_map { |data| data["message"] }
end

unsubscribe()

取消订阅正在测试的订阅。

# File actioncable/lib/action_cable/channel/test_case.rb, line 258
def unsubscribe
  check_subscribed!
  subscription.unsubscribe_from_channel
end