redux-form/src/__tests__/removeField.spec.js

A higher order component decorator for forms using Redux and React

import expect from 'expect';
import removeField from '../removeField';

describe('removeField', () => {
  it('should have no effect if simple field does not exist', () => {
    expect(removeField({foo: 'bar'}, 'baz'))
      .toEqual({foo: 'bar'});
  });

  it('should not return same instance', () => {
    const fields = {foo: 'bar'};
    expect(removeField(fields, 'foo'))
      .toNotBe(fields);
  });

  it('should remove a simple field', () => {
    expect(removeField({foo: 'bar', dog: 42}, 'dog'))
      .toEqual({foo: 'bar'});
  });

  it('should remove a nested field', () => {
    expect(removeField({foo: {rat: 'bar'}, dog: 42}, 'foo.rat'))
      .toEqual({dog: 42});
  });

  it('should remove a nested field from root', () => {
    expect(removeField({foo: {rat: 'bar'}, dog: 42}, 'foo'))
      .toEqual({dog: 42});
  });

  it('should remove an array field', () => {
    expect(removeField({foo: [{rat: 'bar'}], dog: 42}, 'foo[].rat'))
      .toEqual({dog: 42});
  });

  it('should remove a deep field', () => {
    expect(removeField({foo: [{rat: {pig: 'bar'}}], dog: 42}, 'foo[].rat.pig'))
      .toEqual({dog: 42});
  });

  it('should remove an array field from root', () => {
    expect(removeField({foo: [{rat: 'bar'}], dog: 42}, 'foo'))
      .toEqual({dog: 42});
  });
});