graphql-query-test-mock/lib/utils.js

Mock queries to your GraphQL backend in your Jest tests.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getQueryMockID = getQueryMockID;
exports.getVariables = getVariables;
exports.createMockGraphQLRecord = createMockGraphQLRecord;

var _objectHash = _interopRequireDefault(require("object-hash"));

var _defaults = require("./defaults");

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

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function getQueryMockID(queryName, variables, ignoreThesePropertiesInVariables) {
  const processedVariables = getVariables(variables, ignoreThesePropertiesInVariables);
  return `${queryName}__${_objectHash.default.sha1(processedVariables)}`;
}

function getVariables(variables, ignoreThesePropertiesInVariables) {
  const vars = _objectSpread({}, variables);

  ignoreThesePropertiesInVariables.forEach(propName => {
    delete vars[propName];
  });
  return vars;
}

function createMockGraphQLRecord(config, resolveQueryPromise) {
  const queryMockConfig = _objectSpread({
    variables: {}
  }, _defaults.DEFAULT_CONFIG, {}, config);

  let ignoreThesePropertiesInVariables = queryMockConfig.ignoreThesePropertiesInVariables || [];

  if (!queryMockConfig.matchOnVariables && !queryMockConfig.matchVariables) {
    ignoreThesePropertiesInVariables = Object.keys(queryMockConfig.variables || {});
  }

  return {
    id: getQueryMockID(queryMockConfig.name, queryMockConfig.variables, ignoreThesePropertiesInVariables),
    queryMockConfig: _objectSpread({}, queryMockConfig, {
      ignoreThesePropertiesInVariables
    }),
    resolveQueryPromise
  };
}