DigitalConsumer.FixMyGlass/src/layouts/vehicle-model/vehicle-model.spec.js

// Components
import vehicleModel from "@/layouts/vehicle-model/vehicle-model.vue";
import modelQuestion from "@/layouts/vehicle-model/model-question/model-question";

// Supporting files
import { settleAllPromises } from "@/helpers/layout-helper.js";
import { shallowMount } from "@vue/test-utils";
import { getMountOptions } from "@/helpers/unit-test-helper.js";
import { nextTick } from "vue";
import { fetchCmsContentForPage } from "@/helpers/cms-content-helper";
import { storeMutations } from "@/constants/store-mutations";
import { storeActions } from "@/constants/store-actions";
import baseMixin from "@/mixins/base-mixin.js";
import store from "@/store";

// Mock our module for promises.
jest.mock("@/helpers/layout-helper.js", () => ({
  settleAllPromises: jest.fn(),
}));

// Mock fetchCmsContentForPage
jest.mock("@/helpers/cms-content-helper", () => ({
  fetchCmsContentForPage: jest.fn(),
}));

// Mock Store
jest.mock("@/store", () => ({
  commit: jest.fn(),
  dispatch: jest.fn(),
  getters: {
    vehicle: {
      make: "Acura",
    },
  },
}));

describe("vehicle-model.vue", () => {
  test("Model question component is initized with api data", async (done) => {
    //Arange
    const modelQuestionInitialData = ["accord", "civic", "insight"];
    const { wrapper, apiPromise } = setupMocks({
      modelQuestionInitialData: modelQuestionInitialData,
    });
    //Act
    vehicleModel.beforeRouteEnter.call(
      wrapper.vm,
      { query: { fmgPage: "vehicle-model" } },
      undefined,
      (c) => c(wrapper.vm)
    );
    //Assert
    apiPromise.finally(() => {
      expect(modelQuestion.methods.initializeComponent).toHaveBeenCalledWith(
        modelQuestionInitialData
      );
      done();
    });
  });
});

describe("vehicle-model.vue", () => {
  test("BackButtonAction triggers a router.navigate change", async (done) => {
    //Arrange
    const { wrapper, apiPromise } = setupMocks({
      pageHeaderWidgetHeaderText: "Select a model to get started",
      mountOptionsMockData: {
        router: {
          navigate: jest.fn(),
        },
      },
    });
    //Act
    vehicleModel.beforeRouteEnter.call(
      wrapper.vm,
      { query: { fmgPage: "vehicle-model" } },
      undefined,
      (c) => c(wrapper.vm)
    );
    wrapper.vm.backButtonAction();
    await nextTick();
    //Assert
    apiPromise.finally(() => {
      expect(wrapper.vm.$router.navigate).toHaveBeenCalled();
      done();
    });
  });
});
describe("vehicle-model.vue", () => {
  test("Make set, arePagePrerequisitesValid should be true ", async () => {
    //Arrange
    const { wrapper } = setupMocks({});

    //Act
    vehicleModel.beforeRouteEnter.call(
      wrapper.vm,
      { query: { fmgPage: "vehicle-model" } },
      undefined,
      (c) => c(wrapper.vm)
    );

    let arePagePrerequisitesValid = wrapper.vm.arePagePrerequisitesValid();
    await nextTick();

    //Assert
    expect(arePagePrerequisitesValid).toBe(true);
  });
});

describe("vehicle-model.vue", () => {
  test("Year set, call invalidation, style, carId, category should be null", async () => {
    
    //Arrange
    const { wrapper } = setupMocks({});

    //Act
    vehicleModel.beforeRouteEnter.call(
      wrapper.vm,
      { query: { fmgPage: "vehicle-model" } },
      undefined,
      (c) => c(wrapper.vm)
    );

    wrapper.vm.resetDependentState();

    //Assert
    expect(store.commit).toBeCalledWith(storeMutations.UPDATE_STYLE, null)
    expect(store.commit).toBeCalledWith(storeMutations.UPDATE_CAR_ID, null)
    expect(store.commit).toBeCalledWith(storeMutations.UPDATE_VEHICLE_CATEGORY, null)

    expect(store.dispatch).toBeCalledWith(storeActions.RESET_DAMAGE_STATE_AND_DEPENDENCIES)
    expect(store.dispatch).toBeCalledWith(storeActions.RESET_REGISTRATION_STATE_AND_DEPENDENCIES)

  });
});

function setupMocks({
  buttonQuestionContent = {},
  modelQuestionInitialData = {},
  pageHeaderWidgetHeaderText = {},
  mountOptionsMockData = {},
}) {
  //Mock api responses
  const apiResponses = {
    cmsContent: {
      FunnelSubHeaderWidget: pageHeaderWidgetHeaderText,
      VehicleModelQuestion: buttonQuestionContent,
      VehicleBannerWidget: {
        GenericVehicleImage:
          "https://digitalconsumercms-dev.safelite.com/images/default-source/default-album/blurred-image.jpg?sfvrsn=a6ce3034_3",
      },
      FunnelHeaderWidget: {
        LogoImage:
          "https://digitalconsumercms-dev.safelite.com/images/default-source/default-album/safelite-logo.svg?sfvrsn=45e7ed06_3",
      },
    },
    modelQuestionInitialData: modelQuestionInitialData,
  };
  const apiPromise = Promise.resolve(apiResponses);

  settleAllPromises.mockImplementation(() => apiPromise);
  fetchCmsContentForPage.mockImplementation(() => Promise.resolve());

  //Mock model question methods
  modelQuestion.methods = {
    loadInitialData: jest.fn(),
    initializeComponent: jest.fn(),
  };
  const mountOptions = getMountOptions(mountOptionsMockData);
  const wrapper = shallowMount(vehicleModel, mountOptions);
  wrapper.vm.setCmsContent = baseMixin.methods.setCmsContent;

  const modelQuestionWrapper = wrapper.findComponent({ name: "modelQuestion" });
  modelQuestionWrapper.vm.initializeComponent =
    modelQuestion.methods.initializeComponent;

  return { wrapper, apiPromise };
}