added specs for CustomWizard::RealtimeValidationsController

spec/requests/custom_wizard/realtime_validations_spec.rb

@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+describe CustomWizard::RealtimeValidationsController do
+
+  fab!(:validation_type) { "test_stub" }
+  fab!(:validation_type_stub) {
+    {
+      types: [:text],
+      component: "similar-topics-validator",
+      backend: true,
+      required_params: []
+    }
+  }
+
+  before(:all) do
+    sign_in(Fabricate(:user))
+    CustomWizard::RealtimeValidation.types = { test_stub: validation_type_stub }
+
+    class CustomWizard::RealtimeValidation::TestStub
+      attr_accessor :user
+
+      def initialize(user)
+        @user = user
+      end
+
+      def perform(params)
+        result = CustomWizard::RealtimeValidation::Result.new(:test_stub)
+        result.items = ["hello", "world"]
+        result
+      end
+    end
+
+    class ::CustomWizard::RealtimeValidation::TestStubSerializer < ApplicationSerializer
+      attributes :item
+
+      def item
+        object
+      end
+    end
+  end
+
+  it "gives the correct response for a given type" do
+    get '/realtime-validations.json', params: { type: validation_type }
+
+    expect(response.status).to eq(200)
+    expected_response = [
+      { "item" => "hello" },
+      { "item" => "world" }
+    ]
+    expect(JSON.parse(response.body)).to eq(expected_response)
+  end
+
+  it "gives 400 error when no type is passed" do
+    get '/realtime-validations.json'
+
+    expect(response.status).to eq(400)
+  end
+
+  it "gives 500 response code when a non existant type is passed" do
+    get '/realtime-validations.json', params: { type: "random_type" }
+
+    expect(response.status).to eq(500)
+  end
+end