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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)

来源：显示 | 在 GitHub 上 

# 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

assert_broadcasts(stream_or_object, *args)

增强 TestHelper 断言以处理非字符串广播

来源：显示 | 在 GitHub 上 

# 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

assert_has_stream(stream)

断言已启动指定流。

def test_assert_started_stream
  subscribe
  assert_has_stream 'messages'
end

来源：显示 | 在 GitHub 上 

# 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

assert_has_stream_for(object)

断言模型的指定流已启动。

def test_assert_started_stream_for
  subscribe id: 42
  assert_has_stream_for User.find(42)
end

来源：显示 | 在 GitHub 上 

# File actioncable/lib/action_cable/channel/test_case.rb, line 311
def assert_has_stream_for(object)
  assert_has_stream(broadcasting_for(object))
end

assert_no_streams()

断言没有启动任何流。

def test_assert_no_started_stream
  subscribe
  assert_no_streams
end

来源：显示 | 在 GitHub 上 

# 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

perform(action, data = {})

在频道上执行操作。

注意：必须订阅。

来源：显示 | 在 GitHub 上 

# 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

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')

来源：显示 | 在 GitHub 上 

# File actioncable/lib/action_cable/channel/test_case.rb, line 239
def stub_connection(identifiers = {})
  @connection = ConnectionStub.new(identifiers)
end

subscribe(params = {})

订阅正在测试的频道。可以选择将订阅参数作为 Hash 传递。

来源：显示 | 在 GitHub 上 

# 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

transmissions()

返回传输到频道中的消息

来源：显示 | 在 GitHub 上 

# 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

取消订阅()

取消正在测试的订阅。

来源：显示 | 在 GitHub 上 

# File actioncable/lib/action_cable/channel/test_case.rb, line 253
def unsubscribe
  check_subscribed!
  subscription.unsubscribe_from_channel
end