@shopgate/pwa-common-commerce/reviews/selectors/spec.js

Commerce library for the Shopgate Connect PWA.

import _cloneDeep from "lodash/cloneDeep";
import { getProductReviews, getProductReviewsExcerpt, getReviewsTotalCount, getCurrentReviewCount, getReviewsFetchingState, getProductReviewCount, getUserReviewForProduct, getDefaultAuthorName } from "./index";
import { REVIEW_PREVIEW_COUNT } from "../constants";
import { emptyState, finalState, testReviews } from "./mock";
describe('Reviews selectors', () => {
  const propsProductId = {
    productId: '9209597131'
  };
  const propsEmpty = {
    productId: null
  };
  describe('getProductReviews', () => {
    it('should return reviews when reviews are available', () => {
      const reviews = getProductReviews(finalState, propsProductId);
      expect(reviews).toEqual(testReviews);
    });
    it('should return empty array when state has no reviews for current product', () => {
      const state = _cloneDeep(finalState);
      const reviews = getProductReviews(state, propsEmpty);
      expect(reviews).toEqual([]);
    });
    it('should return empty array when state is empty', () => {
      const reviews = getProductReviews(emptyState, propsProductId);
      expect(reviews).toEqual([]);
    });
  });
  describe('getProductReviewsExcerpt', () => {
    it('should return product reviews when reviews are available', () => {
      const reviews = getProductReviewsExcerpt(finalState, propsProductId);
      expect(reviews).toEqual(testReviews.slice(0, REVIEW_PREVIEW_COUNT));
    });
    it('should return null when state has no reviews for current product', () => {
      const state = _cloneDeep(finalState);
      const reviews = getProductReviewsExcerpt(state, propsEmpty);
      expect(reviews).toBe(null);
    });
    it('should return null when state has no reviews for current product', () => {
      const reviews = getProductReviewsExcerpt(emptyState, propsProductId);
      expect(reviews).toBe(null);
    });
  });
  describe('getReviewsTotalCount', () => {
    it('should return null when no reviews are available', () => {
      const totalCount = getReviewsTotalCount(emptyState, propsProductId);
      expect(totalCount).toBe(null);
    });
    it('should return number when reviews are available', () => {
      const totalCount = getReviewsTotalCount(finalState, propsProductId);
      expect(totalCount).toBeGreaterThan(1);
    });
  });
  describe('getCurrentReviewCount', () => {
    it('should return null when no reviews are available', () => {
      const totalCount = getCurrentReviewCount(emptyState, propsProductId);
      expect(totalCount).toBe(null);
    });
    it('should return number when reviews are available', () => {
      const totalCount = getCurrentReviewCount(finalState, propsProductId);
      expect(totalCount).toBeGreaterThan(1);
    });
  });
  describe('getReviewsFetchingState', () => {
    it('should return fetching state', () => {
      const result = getReviewsFetchingState(finalState, propsProductId);
      expect(result).toEqual(false);
    });
  });
  describe('getProductReviewCount', () => {
    it('should return review count', () => {
      const result = getProductReviewCount(finalState, propsProductId);
      expect(result).toBe(finalState.reviews.reviewsByProductId[9209597131].totalReviewCount);
    });
    it('should return null when there is no reviews', () => {
      const result = getProductReviewCount(emptyState, propsProductId);
      expect(result).toBe(null);
    });
  });
  describe('getUserReviewForProduct', () => {
    it('should return user review', () => {
      const result = getUserReviewForProduct(finalState, propsProductId);
      expect(result).toEqual({
        ...finalState.reviews.reviewsById[1]
      });
    });
    it('should return empty object when no user review is available', () => {
      const result = getUserReviewForProduct(emptyState, propsProductId);
      expect(result).toEqual({});
    });
  });
  describe('getDefaultAuthorName', () => {
    it('should return author name when user is logged in', () => {
      const result = getDefaultAuthorName(finalState, propsProductId);
      expect(result).toBe('Foo Bar');
    });
    it('should return empty string, when user it not logged in', () => {
      const result = getDefaultAuthorName(emptyState, propsProductId);
      expect(result).toBe('');
    });
  });
});