@commercetools-frontend/sdk/test-utils/dist/commercetools-frontend-sdk-test-utils.cjs.dev.js

Tools for declarative fetching

'use strict';

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

var _JSON$stringify = require('@babel/runtime-corejs3/core-js-stable/json/stringify');
var _Array$isArray = require('@babel/runtime-corejs3/core-js-stable/array/is-array');
var _findIndexInstanceProperty = require('@babel/runtime-corejs3/core-js-stable/instance/find-index');
var _concatInstanceProperty = require('@babel/runtime-corejs3/core-js-stable/instance/concat');
var _spliceInstanceProperty = require('@babel/runtime-corejs3/core-js-stable/instance/splice');
var _Promise = require('@babel/runtime-corejs3/core-js-stable/promise');
var fastEquals = require('fast-equals');
var uuid = require('uuid');

function _interopDefault (e) { return e && e.__esModule ? e : { 'default': e }; }

var _JSON$stringify__default = /*#__PURE__*/_interopDefault(_JSON$stringify);
var _Array$isArray__default = /*#__PURE__*/_interopDefault(_Array$isArray);
var _findIndexInstanceProperty__default = /*#__PURE__*/_interopDefault(_findIndexInstanceProperty);
var _concatInstanceProperty__default = /*#__PURE__*/_interopDefault(_concatInstanceProperty);
var _spliceInstanceProperty__default = /*#__PURE__*/_interopDefault(_spliceInstanceProperty);
var _Promise__default = /*#__PURE__*/_interopDefault(_Promise);

/**
 * START -->
 * Remove once `@commercetools/sdk-client` exposes proper types.
 */

/* <-- END */

const serialize = data => {
  const undefinedPlaceholder = uuid.v4();
  const placeholderRegexp = new RegExp("\"".concat(undefinedPlaceholder, "\""), 'g');
  const mapUndefinedValues = (_k, v) => v === undefined ? undefinedPlaceholder : v;
  const withPlaceholders = _JSON$stringify__default["default"](data, mapUndefinedValues, 2);
  return withPlaceholders.replace(placeholderRegexp, 'undefined');
};
const throwIfNoMocksArePassed = mocks => {
  if (!mocks || !_Array$isArray__default["default"](mocks) || mocks.length === 0) {
    throw new Error('Missing or invalid argument for `mocks`. Expected an array of mocked actions.');
  }
};
const isSdkAction = action => action.type === 'SDK';
const isSdkMockSuccess = mock => mock.response !== undefined;
const createTestMiddleware = mocks => {
  throwIfNoMocksArePassed(mocks);

  // We clone the mocks so we can keep the user-provided mocks around for
  // the debugging message. The mocksStack gets mutated, while mocks
  // should never be mutated.
  const mocksStack = [...mocks];
  return () => next => action => {
    var _context;
    if (!isSdkAction(action)) {
      return next(action);
    }
    const index = _findIndexInstanceProperty__default["default"](mocksStack).call(mocksStack, item => fastEquals.deepEqual(item.action, action));
    if (index === -1) throw new Error(_concatInstanceProperty__default["default"](_context = "Could not find any more mocks for action ".concat(serialize(action), " in ")).call(_context, serialize(mocks)));
    const mock = mocksStack[index];

    // Mocks should only be used once, so we remove it from the stack.
    _spliceInstanceProperty__default["default"](mocksStack).call(mocksStack, index, 1);
    return isSdkMockSuccess(mock) ? _Promise__default["default"].resolve(mock.response) : _Promise__default["default"].reject(mock.error);
  };
};

exports.createTestMiddleware = createTestMiddleware;