reblend-testing-library/lib/__tests__/config.js

Simple and complete Reblendjs testing utilities that encourage good testing practices.

"use strict";

var _ = require("../");
describe('configuration API', () => {
  let originalConfig;
  beforeEach(() => {
    // Grab the existing configuration so we can restore
    // it at the end of the test
    (0, _.configure)(existingConfig => {
      originalConfig = existingConfig;
      // Don't change the existing config
      return {};
    });
  });
  afterEach(() => {
    (0, _.configure)(originalConfig);
  });
  describe('DTL options', () => {
    test('configure can set by a plain JS object', () => {
      const testIdAttribute = 'not-data-testid';
      (0, _.configure)({
        testIdAttribute
      });
      expect((0, _.getConfig)().testIdAttribute).toBe(testIdAttribute);
    });
    test('configure can set by a function', () => {
      // setup base option
      const baseTestIdAttribute = 'data-testid';
      (0, _.configure)({
        testIdAttribute: baseTestIdAttribute
      });
      const modifiedPrefix = 'modified-';
      (0, _.configure)(existingConfig => ({
        testIdAttribute: `${modifiedPrefix}${existingConfig.testIdAttribute}`
      }));
      expect((0, _.getConfig)().testIdAttribute).toBe(`${modifiedPrefix}${baseTestIdAttribute}`);
    });
  });
  describe('RTL options', () => {
    test('configure can set by a plain JS object', () => {
      (0, _.configure)({
        reblendStrictMode: true
      });
      expect((0, _.getConfig)().reblendStrictMode).toBe(true);
    });
    test('configure can set by a function', () => {
      (0, _.configure)(existingConfig => ({
        reblendStrictMode: !existingConfig.reblendStrictMode
      }));
      expect((0, _.getConfig)().reblendStrictMode).toBe(true);
    });
  });
  test('configure can set DTL and RTL options at once', () => {
    const testIdAttribute = 'not-data-testid';
    (0, _.configure)({
      testIdAttribute,
      reblendStrictMode: true
    });
    expect((0, _.getConfig)().testIdAttribute).toBe(testIdAttribute);
    expect((0, _.getConfig)().reblendStrictMode).toBe(true);
  });
});