graveyard.test.ts

import moment from "moment";
import slugify from "slugify";

import data from "./graveyard.json";

slugify.extend({
  "+": "plus",
  "@": "at",
});

describe("graveyard", () => {
  it("objects should be valid", () => {
    data.forEach((product) => {
      // All data is present for each product
      expect(product.dateClose).not.toBeNull();
      expect(product.dateOpen).not.toBeNull();
      expect(product.description).not.toBeNull();
      expect(product.link).not.toBeNull();
      expect(product.name).not.toBeNull();
      expect(product.type).not.toBeNull();

      // Check `dateClose` format
      // Format: YYYY-MM-DD
      expect(product.dateClose.split("-")).toHaveLength(3);
      // Format Year: YYYY
      expect(product.dateClose.split("-")[0]).toHaveLength(4);
      // Format Month: MM
      expect(product.dateClose.split("-")[1]).toHaveLength(2);
      // Format Day: DD
      expect(product.dateClose.split("-")[2]).toHaveLength(2);

      // Check `dateOpen` format
      // Format: YYYY-MM-DD
      expect(product.dateOpen.split("-")).toHaveLength(3);
      // Format Year: YYYY
      expect(product.dateOpen.split("-")[0]).toHaveLength(4);
      // Format Month: MM
      expect(product.dateOpen.split("-")[1]).toHaveLength(2);
      // Format Day: DD
      expect(product.dateOpen.split("-")[2]).toHaveLength(2);

      // Dates are Chronologically Correct
      const dateClose = moment(product.dateClose);
      const dateOpen = moment(product.dateOpen);
      expect(dateClose.isValid()).toBe(true);
      expect(dateOpen.isValid()).toBe(true);
      expect(dateClose.isAfter(dateOpen)).toBe(true);
    });
  });
  it("names are unique", () => {
    // Slug for each name
    const slugs = data.map((item: Record<string, string>) =>
      slugify(item.name, { lower: true })
    );

    // Create a set (removes any duplicate slugs)
    const slugSet = new Set(slugs);

    // Both the data and items arr should have the same length
    expect(slugSet.size).toBe(data.length);
  });
});