1 files changed, 73 insertions, 0 deletions
diff --git a/actioncable/test/subscription_adapter/base_test.rb b/actioncable/test/subscription_adapter/base_test.rb
new file mode 100644
index 0000000000..256dce673f
--- /dev/null
+++ b/actioncable/test/subscription_adapter/base_test.rb
@@ -0,0 +1,73 @@
+require 'test_helper'
+require 'stubs/test_server'
+
+class ActionCable::SubscriptionAdapter::BaseTest < ActionCable::TestCase
+  ## TEST THAT ERRORS ARE RETURNED FOR INHERITORS THAT DON'T OVERRIDE METHODS
+
+  class BrokenAdapter < ActionCable::SubscriptionAdapter::Base
+  end
+
+  setup do
+    @server = TestServer.new
+    @server.config.subscription_adapter = BrokenAdapter
+    @server.config.allowed_request_origins = %w( http://rubyonrails.com )
+  end
+
+  test "#broadcast returns NotImplementedError by default" do
+    assert_raises NotImplementedError do
+      BrokenAdapter.new(@server).broadcast('channel', 'payload')
+    end
+  end
+
+  test "#subscribe returns NotImplementedError by default" do
+    callback = lambda { puts 'callback' }
+    success_callback = lambda { puts 'success' }
+
+    assert_raises NotImplementedError do
+      BrokenAdapter.new(@server).subscribe('channel', callback, success_callback)
+    end
+  end
+
+  test "#unsubscribe returns NotImplementedError by default" do
+    callback = lambda { puts 'callback' }
+
+    assert_raises NotImplementedError do
+      BrokenAdapter.new(@server).unsubscribe('channel', callback)
+    end
+  end
+
+  # TEST METHODS THAT ARE REQUIRED OF THE ADAPTER'S BACKEND STORAGE OBJECT
+
+  test "#broadcast is implemented" do
+    broadcast = SuccessAdapter.new(@server).broadcast('channel', 'payload')
+
+    assert_respond_to(SuccessAdapter.new(@server), :broadcast)
+
+    assert_nothing_raised do
+      broadcast
+    end
+  end
+
+  test "#subscribe is implemented" do
+    callback = lambda { puts 'callback' }
+    success_callback = lambda { puts 'success' }
+    subscribe = SuccessAdapter.new(@server).subscribe('channel', callback, success_callback)
+
+    assert_respond_to(SuccessAdapter.new(@server), :subscribe)
+
+    assert_nothing_raised do
+      subscribe
+    end
+  end
+
+  test "#unsubscribe is implemented" do
+    callback = lambda { puts 'callback' }
+    unsubscribe = SuccessAdapter.new(@server).unsubscribe('channel', callback)
+
+    assert_respond_to(SuccessAdapter.new(@server), :unsubscribe)
+
+    assert_nothing_raised do
+      unsubscribe
+    end
+  end
+end