Add tests for Notifiable#notification_action_cable_api_allowed?

spec/concerns/models/notifiable_spec.rb

@@ -474,6 +474,70 @@ def custom_notification_action_cable_allowed?(target, key)
       end
     end
 
+    describe "#notification_action_cable_api_allowed?" do
+      context "without any configuration" do
+        it "returns ActivityNotification.config.action_cable_api_enabled" do
+          expect(test_instance.notification_action_cable_api_allowed?(test_target, 'dummy_key'))
+            .to eq(ActivityNotification.config.action_cable_api_enabled)
+        end
+
+        it "returns false as default" do
+          expect(test_instance.notification_action_cable_api_allowed?(test_target, 'dummy_key')).to be_falsey
+        end
+      end
+
+      context "configured with overridden method" do
+        it "returns specified value" do
+          module AdditionalMethods
+            def notification_action_cable_api_allowed_for_users?(target, key)
+              true
+            end
+          end
+          test_instance.extend(AdditionalMethods)
+          expect(test_instance.notification_action_cable_api_allowed?(test_target, 'dummy_key')).to eq(true)
+        end
+      end
+
+      context "configured with a field" do
+        it "returns specified value" do
+          described_class._notification_action_cable_api_allowed[:users] = true
+          expect(test_instance.notification_action_cable_api_allowed?(test_target, 'dummy_key')).to eq(true)
+        end
+
+        it "returns specified symbol without arguments" do
+          module AdditionalMethods
+            def custom_notification_action_cable_api_allowed?
+              true
+            end
+          end
+          test_instance.extend(AdditionalMethods)
+          described_class._notification_action_cable_api_allowed[:users] = :custom_notification_action_cable_api_allowed?
+          expect(test_instance.notification_action_cable_api_allowed?(test_target, 'dummy_key')).to eq(true)
+        end
+
+        it "returns specified symbol with target and key arguments" do
+          module AdditionalMethods
+            def custom_notification_action_cable_api_allowed?(target, key)
+              true
+            end
+          end
+          test_instance.extend(AdditionalMethods)
+          described_class._notification_action_cable_api_allowed[:users] = :custom_notification_action_cable_api_allowed?
+          expect(test_instance.notification_action_cable_api_allowed?(test_target, 'dummy_key')).to eq(true)
+        end
+
+        it "returns specified lambda with single notifiable argument" do
+          described_class._notification_action_cable_api_allowed[:users] = ->(notifiable){ true }
+          expect(test_instance.notification_action_cable_api_allowed?(test_target, 'dummy_key')).to eq(true)
+        end
+
+        it "returns specified lambda with notifiable, target and key arguments" do
+          described_class._notification_action_cable_api_allowed[:users] = ->(notifiable, target, key){ true }
+          expect(test_instance.notification_action_cable_api_allowed?(test_target, 'dummy_key')).to eq(true)
+        end
+      end
+    end
+
     describe "#notifiable_path" do
       context "without any configuration" do
         it "raises NotImplementedError" do