data-provider-temporary
Version:
Library that helps with server-to-client synchronization of data
682 lines (512 loc) • 24.8 kB
JavaScript
;var _from = require('babel-runtime/core-js/array/from');var _from2 = _interopRequireDefault(_from);var _isNan = require('babel-runtime/core-js/number/is-nan');var _isNan2 = _interopRequireDefault(_isNan);var _keys = require('babel-runtime/core-js/object/keys');var _keys2 = _interopRequireDefault(_keys);var _getIterator2 = require('babel-runtime/core-js/get-iterator');var _getIterator3 = _interopRequireDefault(_getIterator2);var _typeof2 = require('babel-runtime/helpers/typeof');var _typeof3 = _interopRequireDefault(_typeof2);var _iterator2 = require('babel-runtime/core-js/symbol/iterator');var _iterator3 = _interopRequireDefault(_iterator2);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
var diff = require('jest-diff'); /**
* Copyright (c) 2014, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/var _require = require('jest-regex-util'),escapeStrForRegex = _require.escapeStrForRegex;var _require2 =
require('jest-matcher-utils'),EXPECTED_COLOR = _require2.EXPECTED_COLOR,RECEIVED_COLOR = _require2.RECEIVED_COLOR,ensureNoExpected = _require2.ensureNoExpected,ensureNumbers = _require2.ensureNumbers,getType = _require2.getType,matcherHint = _require2.matcherHint,printReceived = _require2.printReceived,printExpected = _require2.printExpected,printWithType = _require2.printWithType;var _require3 =
require('./utils'),getObjectSubset = _require3.getObjectSubset,getPath = _require3.getPath,hasOwnProperty = _require3.hasOwnProperty;var _require4 =
require('./jasmine-utils'),equals = _require4.equals;
var IteratorSymbol = _iterator3.default;
var hasIterator = function hasIterator(object) {return !!(object != null && object[IteratorSymbol]);};
var iterableEquality = function iterableEquality(a, b) {
if (
(typeof a === 'undefined' ? 'undefined' : (0, _typeof3.default)(a)) !== 'object' ||
(typeof b === 'undefined' ? 'undefined' : (0, _typeof3.default)(b)) !== 'object' ||
Array.isArray(a) ||
Array.isArray(b) ||
!hasIterator(a) ||
!hasIterator(b))
{
return undefined;
}
if (a.constructor !== b.constructor) {
return false;
}
var bIterator = b[IteratorSymbol]();var _iteratorNormalCompletion = true;var _didIteratorError = false;var _iteratorError = undefined;try {
for (var _iterator = (0, _getIterator3.default)(a), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {var aValue = _step.value;
var nextB = bIterator.next();
if (nextB.done || !equals(aValue, nextB.value, [iterableEquality])) {
return false;
}
}} catch (err) {_didIteratorError = true;_iteratorError = err;} finally {try {if (!_iteratorNormalCompletion && _iterator.return) {_iterator.return();}} finally {if (_didIteratorError) {throw _iteratorError;}}}
if (!bIterator.next().done) {
return false;
}
return true;
};
var isObjectWithKeys = function isObjectWithKeys(a) {return (
a !== null &&
(typeof a === 'undefined' ? 'undefined' : (0, _typeof3.default)(a)) === 'object' &&
!(a instanceof Array) &&
!(a instanceof Date));};
var subsetEquality = function subsetEquality(object, subset) {
if (!isObjectWithKeys(object) || !isObjectWithKeys(subset)) {
return undefined;
}
return (0, _keys2.default)(subset).every(
function (key) {return (
hasOwnProperty(object, key) &&
equals(object[key], subset[key], [iterableEquality, subsetEquality]));});
};
var matchers = {
toBe: function toBe(received, expected) {var _this = this;
var pass = received === expected;
var message = pass ?
function () {return (
matcherHint('.not.toBe') +
'\n\n' + 'Expected value to not be (using ===):\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(received)));} :
function () {
var diffString = diff(expected, received, {
expand: _this.expand });
return (
matcherHint('.toBe') +
'\n\n' + 'Expected value to be (using ===):\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(received)) + (
diffString ? '\n\nDifference:\n\n' + diffString : ''));
};
// Passing the the actual and expected objects so that a custom reporter
// could access them, for example in order to display a custom visual diff,
// or create a different error message
return { actual: received, expected: expected, message: message, name: 'toBe', pass: pass };
},
toBeCloseTo: function toBeCloseTo(actual, expected) {var precision = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 2;
ensureNumbers(actual, expected, '.toBeCloseTo');
var pass = Math.abs(expected - actual) < Math.pow(10, -precision) / 2;
var message = pass ?
function () {return (
matcherHint('.not.toBeCloseTo', 'received', 'expected, precision') +
'\n\n' + ('Expected value not to be close to (with ' +
printExpected(precision) + '-digit precision):\n') + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeCloseTo', 'received', 'expected, precision') +
'\n\n' + ('Expected value to be close to (with ' +
printExpected(precision) + '-digit precision):\n') + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeDefined: function toBeDefined(actual, expected) {
ensureNoExpected(expected, '.toBeDefined');
var pass = actual !== void 0;
var message = pass ?
function () {return (
matcherHint('.not.toBeDefined', 'received', '') +
'\n\n' + 'Expected value not to be defined, instead received\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeDefined', 'received', '') +
'\n\n' + 'Expected value to be defined, instead received\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeFalsy: function toBeFalsy(actual, expected) {
ensureNoExpected(expected, '.toBeFalsy');
var pass = !actual;
var message = pass ?
function () {return (
matcherHint('.not.toBeFalsy', 'received', '') +
'\n\n' + 'Expected value not to be falsy, instead received\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeFalsy', 'received', '') +
'\n\n' + 'Expected value to be falsy, instead received\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeGreaterThan: function toBeGreaterThan(actual, expected) {
ensureNumbers(actual, expected, '.toBeGreaterThan');
var pass = actual > expected;
var message = pass ?
function () {return (
matcherHint('.not.toBeGreaterThan') +
'\n\n' + 'Expected value not to be greater than:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeGreaterThan') +
'\n\n' + 'Expected value to be greater than:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeGreaterThanOrEqual: function toBeGreaterThanOrEqual(actual, expected) {
ensureNumbers(actual, expected, '.toBeGreaterThanOrEqual');
var pass = actual >= expected;
var message = pass ?
function () {return (
matcherHint('.not.toBeGreaterThanOrEqual') +
'\n\n' + 'Expected value not to be greater than or equal:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeGreaterThanOrEqual') +
'\n\n' + 'Expected value to be greater than or equal:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeInstanceOf: function toBeInstanceOf(received, constructor) {
var constType = getType(constructor);
if (constType !== 'function') {
throw new Error(
matcherHint('[.not].toBeInstanceOf', 'value', 'constructor') + '\n\n' + 'Expected constructor to be a function. Instead got:\n' + (' ' +
printExpected(constType)));
}
var pass = received instanceof constructor;
var message = pass ?
function () {return (
matcherHint('.not.toBeInstanceOf', 'value', 'constructor') +
'\n\n' + 'Expected value not to be an instance of:\n' + (' ' +
printExpected(constructor.name || constructor) + '\n') + 'Received:\n' + (' ' +
printReceived(received) + '\n'));} :
function () {return (
matcherHint('.toBeInstanceOf', 'value', 'constructor') +
'\n\n' + 'Expected value to be an instance of:\n' + (' ' +
printExpected(constructor.name || constructor) + '\n') + 'Received:\n' + (' ' +
printReceived(received) + '\n') + 'Constructor:\n' + (' ' +
printReceived(received.constructor && received.constructor.name)));};
return { message: message, pass: pass };
},
toBeLessThan: function toBeLessThan(actual, expected) {
ensureNumbers(actual, expected, '.toBeLessThan');
var pass = actual < expected;
var message = pass ?
function () {return (
matcherHint('.not.toBeLessThan') +
'\n\n' + 'Expected value not to be less than:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeLessThan') +
'\n\n' + 'Expected value to be less than:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeLessThanOrEqual: function toBeLessThanOrEqual(actual, expected) {
ensureNumbers(actual, expected, '.toBeLessThanOrEqual');
var pass = actual <= expected;
var message = pass ?
function () {return (
matcherHint('.not.toBeLessThanOrEqual') +
'\n\n' + 'Expected value not to be less than or equal:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeLessThanOrEqual') +
'\n\n' + 'Expected value to be less than or equal:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeNaN: function toBeNaN(actual, expected) {
ensureNoExpected(expected, '.toBeNaN');
var pass = (0, _isNan2.default)(actual);
var message = pass ?
function () {return (
matcherHint('.not.toBeNaN', 'received', '') +
'\n\n' + 'Expected value not to be NaN, instead received\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeNaN', 'received', '') +
'\n\n' + 'Expected value to be NaN, instead received\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeNull: function toBeNull(actual, expected) {
ensureNoExpected(expected, '.toBeNull');
var pass = actual === null;
var message = pass ?
function () {return (
matcherHint('.not.toBeNull', 'received', '') +
'\n\n' + 'Expected value not to be null, instead received\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeNull', 'received', '') +
'\n\n' + 'Expected value to be null, instead received\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeTruthy: function toBeTruthy(actual, expected) {
ensureNoExpected(expected, '.toBeTruthy');
var pass = !!actual;
var message = pass ?
function () {return (
matcherHint('.not.toBeTruthy', 'received', '') +
'\n\n' + 'Expected value not to be truthy, instead received\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeTruthy', 'received', '') +
'\n\n' + 'Expected value to be truthy, instead received\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toBeUndefined: function toBeUndefined(actual, expected) {
ensureNoExpected(expected, '.toBeUndefined');
var pass = actual === void 0;
var message = pass ?
function () {return (
matcherHint('.not.toBeUndefined', 'received', '') +
'\n\n' + 'Expected value not to be undefined, instead received\n' + (' ' +
printReceived(actual)));} :
function () {return (
matcherHint('.toBeUndefined', 'received', '') +
'\n\n' + 'Expected value to be undefined, instead received\n' + (' ' +
printReceived(actual)));};
return { message: message, pass: pass };
},
toContain: function toContain(collection, value) {
var collectionType = getType(collection);
var converted = null;
if (Array.isArray(collection) || typeof collection === 'string') {
// strings have `indexOf` so we don't need to convert
// arrays have `indexOf` and we don't want to make a copy
converted = collection;
} else {
try {
converted = (0, _from2.default)(collection);
} catch (e) {
throw new Error(
matcherHint('[.not].toContainEqual', 'collection', 'value') +
'\n\n' + ('Expected ' +
RECEIVED_COLOR('collection') + ' to be an array-like structure.\n') +
printWithType('Received', collection, printReceived));
}
}
// At this point, we're either a string or an Array,
// which was converted from an array-like structure.
var pass = converted.indexOf(value) != -1;
var message = pass ?
function () {return (
matcherHint('.not.toContain', collectionType, 'value') +
'\n\n' + ('Expected ' +
collectionType + ':\n') + (' ' +
printReceived(collection) + '\n') + 'Not to contain value:\n' + (' ' +
printExpected(value) + '\n'));} :
function () {return (
matcherHint('.toContain', collectionType, 'value') +
'\n\n' + ('Expected ' +
collectionType + ':\n') + (' ' +
printReceived(collection) + '\n') + 'To contain value:\n' + (' ' +
printExpected(value)));};
return { message: message, pass: pass };
},
toContainEqual: function toContainEqual(collection, value) {
var collectionType = getType(collection);
var converted = null;
if (Array.isArray(collection)) {
converted = collection;
} else {
try {
converted = (0, _from2.default)(collection);
} catch (e) {
throw new Error(
matcherHint('[.not].toContainEqual', 'collection', 'value') +
'\n\n' + ('Expected ' +
RECEIVED_COLOR('collection') + ' to be an array-like structure.\n') +
printWithType('Received', collection, printReceived));
}
}
var pass =
converted.findIndex(function (item) {return equals(item, value, [iterableEquality]);}) !==
-1;
var message = pass ?
function () {return (
matcherHint('.not.toContainEqual', collectionType, 'value') +
'\n\n' + ('Expected ' +
collectionType + ':\n') + (' ' +
printReceived(collection) + '\n') + 'Not to contain a value equal to:\n' + (' ' +
printExpected(value) + '\n'));} :
function () {return (
matcherHint('.toContainEqual', collectionType, 'value') +
'\n\n' + ('Expected ' +
collectionType + ':\n') + (' ' +
printReceived(collection) + '\n') + 'To contain a value equal to:\n' + (' ' +
printExpected(value)));};
return { message: message, pass: pass };
},
toEqual: function toEqual(received, expected) {var _this2 = this;
var pass = equals(received, expected, [iterableEquality]);
var message = pass ?
function () {return (
matcherHint('.not.toEqual') +
'\n\n' + 'Expected value to not equal:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(received)));} :
function () {
var diffString = diff(expected, received, {
expand: _this2.expand });
return (
matcherHint('.toEqual') +
'\n\n' + 'Expected value to equal:\n' + (' ' +
printExpected(expected) + '\n') + 'Received:\n' + (' ' +
printReceived(received)) + (
diffString ? '\n\nDifference:\n\n' + diffString : ''));
};
// Passing the the actual and expected objects so that a custom reporter
// could access them, for example in order to display a custom visual diff,
// or create a different error message
return { actual: received, expected: expected, message: message, name: 'toEqual', pass: pass };
},
toHaveLength: function toHaveLength(received, length) {
if (
typeof received !== 'string' && (
!received || typeof received.length !== 'number'))
{
throw new Error(
matcherHint('[.not].toHaveLength', 'received', 'length') +
'\n\n' + 'Expected value to have a \'length\' property that is a number. ' + 'Received:\n' + (' ' +
printReceived(received) + '\n') + (
received ? 'received.length:\n ' +
printReceived(received.length) :
''));
}
var pass = received.length === length;
var message = pass ?
function () {return (
matcherHint('.not.toHaveLength', 'received', 'length') +
'\n\n' + 'Expected value to not have length:\n' + (' ' +
printExpected(length) + '\n') + 'Received:\n' + (' ' +
printReceived(received) + '\n') + 'received.length:\n' + (' ' +
printReceived(received.length)));} :
function () {return (
matcherHint('.toHaveLength', 'received', 'length') +
'\n\n' + 'Expected value to have length:\n' + (' ' +
printExpected(length) + '\n') + 'Received:\n' + (' ' +
printReceived(received) + '\n') + 'received.length:\n' + (' ' +
printReceived(received.length)));};
return { message: message, pass: pass };
},
toHaveProperty: function toHaveProperty(object, keyPath, value) {
var valuePassed = arguments.length === 3;
if (!object && typeof object !== 'string' && typeof object !== 'number') {
throw new Error(
matcherHint('[.not].toHaveProperty', 'object', 'path', {
secondArgument: valuePassed ? 'value' : null }) +
'\n\n' + ('Expected ' +
RECEIVED_COLOR('object') + ' to be an object. Received:\n') + (' ' +
getType(object) + ': ' + printReceived(object)));
}
if (getType(keyPath) !== 'string') {
throw new Error(
matcherHint('[.not].toHaveProperty', 'object', 'path', {
secondArgument: valuePassed ? 'value' : null }) +
'\n\n' + ('Expected ' +
EXPECTED_COLOR('path') + ' to be a string. Received:\n') + (' ' +
getType(keyPath) + ': ' + printReceived(keyPath)));
}
var result = getPath(object, keyPath);var
lastTraversedObject = result.lastTraversedObject,hasEndProp = result.hasEndProp;
var diffString = void 0;
if (valuePassed && hasOwnProperty(result, 'value')) {
diffString = diff(value, result.value, {
expand: this.expand });
}
var pass = valuePassed ?
equals(result.value, value, [iterableEquality]) :
hasEndProp;
if (hasOwnProperty(result, 'value')) {
// we don't diff numbers. So instead we'll show the object that contains the resulting value.
// And to get that object we need to go up a level.
result.traversedPath.pop();
}
var traversedPath = result.traversedPath.join('.');
var message = pass ?
matcherHint('.not.toHaveProperty', 'object', 'path', {
secondArgument: valuePassed ? 'value' : null }) +
'\n\n' + 'Expected the object:\n' + (' ' +
printReceived(object) + '\n') + 'Not to have a nested property:\n' + (' ' +
printExpected(keyPath) + '\n') + (
valuePassed ? 'With a value of:\n ' + printExpected(value) + '\n' : '') :
matcherHint('.toHaveProperty', 'object', 'path', {
secondArgument: valuePassed ? 'value' : null }) +
'\n\n' + 'Expected the object:\n' + (' ' +
printReceived(object) + '\n') + 'To have a nested property:\n' + (' ' +
printExpected(keyPath) + '\n') + (
valuePassed ? 'With a value of:\n ' + printExpected(value) + '\n' : '') + (
traversedPath ? 'Received:\n ' +
RECEIVED_COLOR('object') + '.' + traversedPath + ': ' + printReceived(lastTraversedObject) :
'') + (
diffString ? '\nDifference:\n\n' + diffString : '');
if (pass === undefined) {
throw new Error('pass must be initialized');
}
return { message: message, pass: pass };
},
toMatch: function toMatch(received, expected) {
if (typeof received !== 'string') {
throw new Error(
matcherHint('[.not].toMatch', 'string', 'expected') +
'\n\n' + (
RECEIVED_COLOR('string') + ' value must be a string.\n') +
printWithType('Received', received, printReceived));
}
if (!(expected instanceof RegExp) && !(typeof expected === 'string')) {
throw new Error(
matcherHint('[.not].toMatch', 'string', 'expected') +
'\n\n' + (
EXPECTED_COLOR('expected') + ' value must be a string or a regular expression.\n') +
printWithType('Expected', expected, printExpected));
}
var pass = new RegExp(
typeof expected === 'string' ? escapeStrForRegex(expected) : expected).
test(received);
var message = pass ?
function () {return (
matcherHint('.not.toMatch') + '\n\nExpected value not to match:\n' + (' ' +
printExpected(expected)) + '\nReceived:\n' + (' ' +
printReceived(received)));} :
function () {return (
matcherHint('.toMatch') + '\n\nExpected value to match:\n' + (' ' +
printExpected(expected)) + '\nReceived:\n' + (' ' +
printReceived(received)));};
return { message: message, pass: pass };
},
toMatchObject: function toMatchObject(receivedObject, expectedObject) {var _this3 = this;
if ((typeof receivedObject === 'undefined' ? 'undefined' : (0, _typeof3.default)(receivedObject)) !== 'object' || receivedObject === null) {
throw new Error(
matcherHint('[.not].toMatchObject', 'object', 'expected') +
'\n\n' + (
RECEIVED_COLOR('received') + ' value must be an object.\n') +
printWithType('Received', receivedObject, printReceived));
}
if ((typeof expectedObject === 'undefined' ? 'undefined' : (0, _typeof3.default)(expectedObject)) !== 'object' || expectedObject === null) {
throw new Error(
matcherHint('[.not].toMatchObject', 'object', 'expected') +
'\n\n' + (
EXPECTED_COLOR('expected') + ' value must be an object.\n') +
printWithType('Expected', expectedObject, printExpected));
}
var pass = equals(receivedObject, expectedObject, [
iterableEquality,
subsetEquality]);
var message = pass ?
function () {return (
matcherHint('.not.toMatchObject') + '\n\nExpected value not to match object:\n' + (' ' +
printExpected(expectedObject)) + '\nReceived:\n' + (' ' +
printReceived(receivedObject)));} :
function () {
var diffString = diff(
expectedObject,
getObjectSubset(receivedObject, expectedObject),
{
expand: _this3.expand });
return (
matcherHint('.toMatchObject') + '\n\nExpected value to match object:\n' + (' ' +
printExpected(expectedObject)) + '\nReceived:\n' + (' ' +
printReceived(receivedObject)) + (
diffString ? '\nDifference:\n' + diffString : ''));
};
return { message: message, pass: pass };
} };
module.exports = matchers;