mocha-aura Apex & Callbacks

apexCallTest.js

const { apexCallFactory, apexErrorResult, apexSuccessResult, componentFactory } = require('mocha-aura/aura')

const helper = require('path/to/aura/helper')

describe('Apex Call Test', () => {
  it('should set component v.object to Apex result', apexTest(false));
  it('should set v.error if Apex call failed', apexTest(true));
})


function apexTest(isError) {
  return () => {
    const result = {items: []}
    // Create apexCallFactory with error or success result depending on test parameter
    const confirmOrder = apexCallFactory(isError ? apexErrorResult('err_msg')
      : apexSuccessResult(result)
    )
    
    // Create aura component, set v.confirmOrder to Apex call object and v.object to null
    const component = componentFactory({confirmOrder, object: null });

    // Call real helper code with our mock component
    helper.loadApexData(component);

    if (isError) {
      // In case of error helper method should set v.error value
      expect(component.get('v.error')).to.equal('err_msg');
      return;
    }
    // In case of success helper method should set v.object to a return value
    expect(component.get('v.object')).to.equal(result);
  }
}