chai-spies-augment/lib/spy-args/spy-args.js

Additions to chai-spies, adding utilities to inspect args and check if a spy was called with a partial object

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

exports.default = function () {
  var originalSpy = _chai2.default.spy;
  _chai2.default.spy = function (name, fn) {
    var spy = originalSpy(name, fn);

    /**
     * Returns array of arguments from spy's most recent call
     */
    spy.args = function () {
      var calls = this.__spy.calls;
      if (calls.length > 0) {
        return this.argsFor(calls.length - 1);
      } else {
        throw new Error('ERROR::spy.args: Spy has not been called');
      }
    };

    /**
     * Returns array of arguments from specified call on spy
     * @param callIdx {number}
     */
    spy.argsFor = function (callIdx) {
      var calls = this.__spy.calls;
      if (calls[callIdx]) {
        return calls[callIdx];
      } else {
        throw new Error('ERROR::spy.argsFor: Invalid call index for spy');
      }
    };

    return spy;
  };

  // Add all the property functions back on to chai.spy object
  // Code above will have removed things like chai.spy.on, chai.spy.sandbox, etc.
  for (var key in originalSpy) {
    _chai2.default.spy[key] = originalSpy[key];
  }
};

var _chai = require('chai');

var _chai2 = _interopRequireDefault(_chai);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }