1 files changed, 58 insertions, 0 deletions
diff --git a/actioncable/test/server/broadcasting_test.rb b/actioncable/test/server/broadcasting_test.rb
new file mode 100644
index 0000000000..860e79b821
--- /dev/null
+++ b/actioncable/test/server/broadcasting_test.rb
@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+require "test_helper"
+require "stubs/test_server"
+
+class BroadcastingTest < ActionCable::TestCase
+  test "fetching a broadcaster converts the broadcasting queue to a string" do
+    broadcasting = :test_queue
+    server = TestServer.new
+    broadcaster = server.broadcaster_for(broadcasting)
+
+    assert_equal "test_queue", broadcaster.broadcasting
+  end
+
+  test "broadcast generates notification" do
+    server = TestServer.new
+
+    events = []
+    ActiveSupport::Notifications.subscribe "broadcast.action_cable" do |*args|
+      events << ActiveSupport::Notifications::Event.new(*args)
+    end
+
+    broadcasting = "test_queue"
+    message = { body: "test message" }
+    server.broadcast(broadcasting, message)
+
+    assert_equal 1, events.length
+    assert_equal "broadcast.action_cable", events[0].name
+    assert_equal broadcasting, events[0].payload[:broadcasting]
+    assert_equal message, events[0].payload[:message]
+    assert_equal ActiveSupport::JSON, events[0].payload[:coder]
+  ensure
+    ActiveSupport::Notifications.unsubscribe "broadcast.action_cable"
+  end
+
+  test "broadcaster from broadcaster_for generates notification" do
+    server = TestServer.new
+
+    events = []
+    ActiveSupport::Notifications.subscribe "broadcast.action_cable" do |*args|
+      events << ActiveSupport::Notifications::Event.new(*args)
+    end
+
+    broadcasting = "test_queue"
+    message = { body: "test message" }
+
+    broadcaster = server.broadcaster_for(broadcasting)
+    broadcaster.broadcast(message)
+
+    assert_equal 1, events.length
+    assert_equal "broadcast.action_cable", events[0].name
+    assert_equal broadcasting, events[0].payload[:broadcasting]
+    assert_equal message, events[0].payload[:message]
+    assert_equal ActiveSupport::JSON, events[0].payload[:coder]
+  ensure
+    ActiveSupport::Notifications.unsubscribe "broadcast.action_cable"
+  end
+end