pad_spa/node_modules/jest-jasmine2/build/assert_support.js

'use strict';

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

var _jestMatcherUtils = require('jest-matcher-utils');

var _chalk = require('chalk');

var _chalk2 = _interopRequireDefault(_chalk);

var _jestDiff = require('jest-diff');

var _jestDiff2 = _interopRequireDefault(_jestDiff);

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

/**
 * Copyright (c) 2017-present, Facebook, Inc. All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 *
 */

const assertOperatorsMap = {
  '!=': 'notEqual',
  '!==': 'notStrictEqual',
  '==': 'equal',
  '===': 'strictEqual'
};

const humanReadableOperators = {
  deepEqual: 'to deeply equal',
  deepStrictEqual: 'to deeply and strictly equal',
  equal: 'to be equal',
  notDeepEqual: 'not to deeply equal',
  notDeepStrictEqual: 'not to deeply and strictly equal',
  notEqual: 'to not be equal',
  notStrictEqual: 'not be strictly equal',
  strictEqual: 'to strictly be equal'
};

const getOperatorName = (operator, stack) => {
  if (typeof operator === 'string') {
    return assertOperatorsMap[operator] || operator;
  }
  if (stack.match('.doesNotThrow')) {
    return 'doesNotThrow';
  }
  if (stack.match('.throws')) {
    return 'throws';
  }
  return '';
};

const operatorMessage = operator => {
  const niceOperatorName = getOperatorName(operator, '');
  // $FlowFixMe: we default to the operator itself, so holes in the map doesn't matter
  const humanReadableOperator = humanReadableOperators[niceOperatorName];

  return typeof operator === 'string'
    ? `${humanReadableOperator || niceOperatorName} to:\n`
    : '';
};

const assertThrowingMatcherHint = operatorName =>
  _chalk2.default.dim('assert') +
  _chalk2.default.dim('.' + operatorName + '(') +
  _chalk2.default.red('function') +
  _chalk2.default.dim(')');

const assertMatcherHint = (operator, operatorName) => {
  let message =
    _chalk2.default.dim('assert') +
    _chalk2.default.dim('.' + operatorName + '(') +
    _chalk2.default.red('received') +
    _chalk2.default.dim(', ') +
    _chalk2.default.green('expected') +
    _chalk2.default.dim(')');

  if (operator === '==') {
    message +=
      ' or ' +
      _chalk2.default.dim('assert') +
      _chalk2.default.dim('(') +
      _chalk2.default.red('received') +
      _chalk2.default.dim(') ');
  }

  return message;
};

function assertionErrorMessage(error, options) {
  const expected = error.expected,
    actual = error.actual,
    generatedMessage = error.generatedMessage,
    message = error.message,
    operator = error.operator,
    stack = error.stack;

  const diffString = (0, _jestDiff2.default)(expected, actual, options);
  const hasCustomMessage = !generatedMessage;
  const operatorName = getOperatorName(operator, stack);
  const trimmedStack = stack
    .replace(message, '')
    .replace(/AssertionError(.*)/g, '');

  if (operatorName === 'doesNotThrow') {
    return (
      assertThrowingMatcherHint(operatorName) +
      '\n\n' +
      _chalk2.default.reset(`Expected the function not to throw an error.\n`) +
      _chalk2.default.reset(`Instead, it threw:\n`) +
      `  ${(0, _jestMatcherUtils.printReceived)(actual)}` +
      _chalk2.default.reset(
        hasCustomMessage ? '\n\nMessage:\n  ' + message : ''
      ) +
      trimmedStack
    );
  }

  if (operatorName === 'throws') {
    return (
      assertThrowingMatcherHint(operatorName) +
      '\n\n' +
      _chalk2.default.reset(`Expected the function to throw an error.\n`) +
      _chalk2.default.reset(`But it didn't throw anything.`) +
      _chalk2.default.reset(
        hasCustomMessage ? '\n\nMessage:\n  ' + message : ''
      ) +
      trimmedStack
    );
  }

  return (
    assertMatcherHint(operator, operatorName) +
    '\n\n' +
    _chalk2.default.reset(`Expected value ${operatorMessage(operator)}`) +
    `  ${(0, _jestMatcherUtils.printExpected)(expected)}\n` +
    _chalk2.default.reset(`Received:\n`) +
    `  ${(0, _jestMatcherUtils.printReceived)(actual)}` +
    _chalk2.default.reset(
      hasCustomMessage ? '\n\nMessage:\n  ' + message : ''
    ) +
    (diffString ? `\n\nDifference:\n\n${diffString}` : '') +
    trimmedStack
  );
}

exports.default = assertionErrorMessage;