simple-icons/tests/index.test.js

const { icons } = require('../_data/simple-icons.json');
const simpleIcons = require('../index.js');
const { titleToSlug } = require("../scripts/utils.js");

icons.forEach(icon => {
  const name = icon.slug || icon.title;
  const subject = simpleIcons[name];

  test(`${icon.title} has a "title"`, () => {
    expect(typeof subject.title).toBe('string');
  });

  test(`${icon.title} has a "hex" value`, () => {
    expect(typeof subject.hex).toBe('string');
    expect(subject.hex).toHaveLength(6);
  });

  test(`${icon.title} has a "source"`, () => {
    expect(typeof subject.source).toBe('string');
  });

  test(`${icon.title} has an "svg"`, () => {
    expect(typeof subject.svg).toBe('string');
  });

  test(`${icon.title} has a "path"`, () => {
    expect(typeof subject.path).toBe('string');
    expect(subject.path).toMatch(/^[MmZzLlHhVvCcSsQqTtAaEe0-9-,.\s]+$/g);
  });

  test(`${icon.title} has a "slug"`, () => {
    expect(typeof subject.slug).toBe('string');
  });

  // NOTE: Icons with custom slugs have a custom slug because their title is
  // already taken, so they should not be findable by their title.
  if (icon.slug === undefined) {
    test(`${icon.title} can be found by it's title`, () => {
      const found = simpleIcons.get(icon.title);
      expect(found).toBeDefined();
      expect(found.title).toEqual(icon.title);
      expect(found.hex).toEqual(icon.hex);
      expect(found.source).toEqual(icon.source);
    });
  }

  test(`${icon.title} can be found by it's slug`, () => {
    const name = icon.slug || titleToSlug(icon.title);
    const found = simpleIcons.get(name);
    expect(found).toBeDefined();
    expect(found.title).toEqual(icon.title);
    expect(found.hex).toEqual(icon.hex);
    expect(found.source).toEqual(icon.source);
  });
});

test(`Iterating over simpleIcons only exposes icons`, () => {
  const iconArray = Object.values(simpleIcons);
  for (let icon of iconArray) {
    expect(icon).toBeDefined();
    expect(typeof icon).toBe('object');
  }
});