1 files changed, 102 insertions, 0 deletions
diff --git a/test/channel/base_test.rb b/test/channel/base_test.rb
new file mode 100644
index 0000000000..e525631642
--- /dev/null
+++ b/test/channel/base_test.rb
@@ -0,0 +1,102 @@
+require 'test_helper'
+require 'stubs/test_connection'
+
+class ActionCable::Channel::BaseTest < ActiveSupport::TestCase
+  Room = Struct.new(:id)
+
+  class ChatChannel < ActionCable::Channel::Base
+    attr_reader :room, :last_action
+    on_subscribe :toggle_subscribed
+    on_unsubscribe :toggle_subscribed
+
+    def subscribed
+      @room = Room.new params[:id]
+      @actions = []
+    end
+
+    def unsubscribed
+      @room = nil
+    end
+
+    def toggle_subscribed
+      @subscribed = !@subscribed
+    end
+
+    def leave
+      @last_action = [ :leave ]
+    end
+
+    def speak(data)
+      @last_action = [ :speak, data ]
+    end
+
+    def subscribed?
+      @subscribed
+    end
+
+    def get_latest
+      transmit data: 'latest'
+    end
+
+    private
+      def rm_rf
+        @last_action = [ :rm_rf ]
+      end
+  end
+
+  setup do
+    @user = User.new "lifo"
+    @connection = TestConnection.new(@user)
+    @channel = ChatChannel.new @connection, "{id: 1}", { id: 1 }
+  end
+
+  test "should subscribe to a channel on initialize" do
+    assert_equal 1, @channel.room.id
+  end
+
+  test "on subscribe callbacks" do
+    assert @channel.subscribed
+  end
+
+  test "channel params" do
+    assert_equal({ id: 1 }, @channel.params)
+  end
+
+  test "unsubscribing from a channel" do
+    assert @channel.room
+    assert @channel.subscribed?
+
+    @channel.unsubscribe_from_channel
+
+    assert ! @channel.room
+    assert ! @channel.subscribed?
+  end
+
+  test "connection identifiers" do
+    assert_equal @user.name, @channel.current_user.name
+  end
+
+  test "callable action without any argument" do
+    @channel.perform_action 'action' => :leave
+    assert_equal [ :leave ], @channel.last_action
+  end
+
+  test "callable action with arguments" do
+    data = { 'action' => :speak, 'content' => "Hello World" }
+
+    @channel.perform_action data
+    assert_equal [ :speak, data ], @channel.last_action
+  end
+
+  test "try calling a private method" do
+    @channel.perform_action 'action' => :rm_rf
+    assert_nil @channel.last_action
+  end
+
+  test "transmitting data" do
+    @channel.perform_action 'action' => :get_latest
+
+    expected = ActiveSupport::JSON.encode "identifier" => "{id: 1}", "message" => { "data" => "latest" }
+    assert_equal expected, @connection.last_transmission
+  end
+end