react-element-to-jsx-string/src/formatter/formatComplexDataStructure.spec.js at d7d2eb92446d5f2ed565eadd55d5607098a772b5 · algolia/react-element-to-jsx-string · GitHub

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/* @flow */

import React from 'react';
import formatComplexDataStructure from './formatComplexDataStructure';

jest.mock('./formatReactElementNode.js', () => node =>
  `<${node.displayName} />`
);

const createFakeReactElement = (tagName = 'Foo') =>
  React.createElement(tagName, {}, null);
const options = { tabStop: 2 };

describe('formatComplexDataStructure', () => {
  it('should format an object', () => {
    const fixture = { a: 1, b: { c: 'ccc' } };

    expect(
      formatComplexDataStructure(fixture, 'foo', false, 0, options)
    ).toEqual(
      `{
    a: 1,
    b: {
      c: 'ccc'
    }
  }`
    );
  });

  it('should format inline an object', () => {
    const fixture = { a: 1, b: { c: 'ccc' } };

    expect(
      formatComplexDataStructure(fixture, 'foo', true, 0, options)
    ).toEqual("{a: 1, b: {c: 'ccc'}}");
  });

  it('should format an empty object', () => {
    expect(formatComplexDataStructure({}, 'foo', false, 0, options)).toEqual(
      '{}'
    );
  });

  it('should order the object keys', () => {
    const fixture = { b: { d: 'ddd', c: 'ccc' }, a: 1 };

    expect(
      formatComplexDataStructure(fixture, 'foo', false, 0, options)
    ).toEqual(
      `{
    a: 1,
    b: {
      c: 'ccc',
      d: 'ddd'
    }
  }`
    );
  });

  it('should format an array', () => {
    const fixture = [1, '2', true, false, null];

    expect(
      formatComplexDataStructure(fixture, 'foo', false, 0, options)
    ).toEqual(
      `[
    1,
    '2',
    true,
    false,
    null
  ]`
    );
  });

  it('should format inline an array ', () => {
    const fixture = [1, '2', true, false, null];

    expect(
      formatComplexDataStructure(fixture, 'foo', true, 0, options)
    ).toEqual("[1, '2', true, false, null]");
  });

  it('should format an object that contains a react element', () => {
    const fixture = { a: createFakeReactElement('BarBar') };

    expect(
      formatComplexDataStructure(fixture, 'foo', false, 0, options)
    ).toEqual(
      `{
    a: <BarBar />
  }`
    );
  });

  it('should format an empty array', () => {
    expect(formatComplexDataStructure([], 'foo', false, 0, options)).toEqual(
      '[]'
    );
  });

  it('should format an object that contains a date', () => {
    const fixture = { a: new Date('2017-11-13T00:00:00.000Z') };

    expect(
      formatComplexDataStructure(fixture, 'foo', true, 0, options)
    ).toEqual(`{a: new Date('2017-11-13T00:00:00.000Z')}`);
  });

  it('should format an object that contains a regexp', () => {
    const fixture = { a: /test/g };

    expect(
      formatComplexDataStructure(fixture, 'foo', true, 0, options)
    ).toEqual(`{a: /test/g}`);
  });

  it('should replace a function with noRefCheck', () => {
    const fixture = {
      a: function hello() {
        return 1;
      },
    };

    expect(
      formatComplexDataStructure(fixture, 'foo', true, 0, options)
    ).toEqual('{a: function noRefCheck() {}}');
  });

  it('should format a function', () => {
    const fixture = {
      a: function hello() {
        return 1;
      },
    };

    expect(
      formatComplexDataStructure(fixture, 'foo', true, 0, {
        ...options,
        showFunctions: true,
      })
    ).toEqual('{a: function hello() {return 1;}}');
  });

  it('should use the functionValue option', () => {
    const fixture = {
      a: function hello() {
        return 1;
      },
    };

    expect(
      formatComplexDataStructure(fixture, 'foo', true, 0, {
        ...options,
        functionValue: () => '<Test />',
      })
    ).toEqual('{a: <Test />}');
  });
});