219 lines
9.5 KiB
JavaScript
219 lines
9.5 KiB
JavaScript
'use strict';Object.defineProperty(exports, "__esModule", { value: true });exports.default =
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SpyRegistry;var _call_tracker = require('./call_tracker');var _call_tracker2 = _interopRequireDefault(_call_tracker);var _create_spy = require('./create_spy');var _create_spy2 = _interopRequireDefault(_create_spy);var _spy_strategy = require('./spy_strategy');var _spy_strategy2 = _interopRequireDefault(_spy_strategy);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}const formatErrorMsg = (domain, usage) => {const usageDefinition = usage ? '\nUsage: ' + usage : '';return msg => domain + ' : ' + msg + usageDefinition;}; /**
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* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/ // This file is a heavily modified fork of Jasmine. Original license:
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/*
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Copyright (c) 2008-2016 Pivotal Labs
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/function isSpy(putativeSpy) {if (!putativeSpy) {return false;}return putativeSpy.and instanceof _spy_strategy2.default && putativeSpy.calls instanceof _call_tracker2.default;}const getErrorMsg = formatErrorMsg('<spyOn>', 'spyOn(<object>, <methodName>)');function SpyRegistry(options) {options = options || {};const currentSpies = options.currentSpies || function () {return [];};this.allowRespy = function (allow) {this.respy = allow;};this.spyOn = function (obj, methodName, accessType) {if (accessType) {return this._spyOnProperty(obj, methodName, accessType);}if (obj === void 0) {throw new Error(getErrorMsg('could not find an object to spy upon for ' + methodName + '()'));}if (methodName === void 0) {throw new Error(getErrorMsg('No method name supplied'));}
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if (obj[methodName] === void 0) {
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throw new Error(getErrorMsg(methodName + '() method does not exist'));
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}
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if (obj[methodName] && isSpy(obj[methodName])) {
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if (this.respy) {
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return obj[methodName];
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} else {
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throw new Error(
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getErrorMsg(methodName + ' has already been spied upon'));
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}
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}
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let descriptor;
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try {
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descriptor = Object.getOwnPropertyDescriptor(obj, methodName);
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} catch (e) {
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// IE 8 doesn't support `definePropery` on non-DOM nodes
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}
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if (descriptor && !(descriptor.writable || descriptor.set)) {
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throw new Error(
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getErrorMsg(methodName + ' is not declared writable or has no setter'));
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}
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const originalMethod = obj[methodName];
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const spiedMethod = (0, _create_spy2.default)(methodName, originalMethod);
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let restoreStrategy;
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if (Object.prototype.hasOwnProperty.call(obj, methodName)) {
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restoreStrategy = function () {
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obj[methodName] = originalMethod;
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};
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} else {
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restoreStrategy = function () {
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if (!delete obj[methodName]) {
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obj[methodName] = originalMethod;
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}
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};
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}
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currentSpies().push({
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restoreObjectToOriginalState: restoreStrategy });
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obj[methodName] = spiedMethod;
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return spiedMethod;
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};
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this._spyOnProperty = function (obj, propertyName) {let accessType = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'get';
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if (!obj) {
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throw new Error(
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getErrorMsg('could not find an object to spy upon for ' + propertyName));
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}
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if (!propertyName) {
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throw new Error(getErrorMsg('No property name supplied'));
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}
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let descriptor;
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try {
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descriptor = Object.getOwnPropertyDescriptor(obj, propertyName);
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} catch (e) {
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// IE 8 doesn't support `definePropery` on non-DOM nodes
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}
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if (!descriptor) {
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throw new Error(getErrorMsg(propertyName + ' property does not exist'));
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}
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if (!descriptor.configurable) {
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throw new Error(
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getErrorMsg(propertyName + ' is not declared configurable'));
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}
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if (!descriptor[accessType]) {
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throw new Error(
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getErrorMsg(
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'Property ' +
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propertyName +
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' does not have access type ' +
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accessType));
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}
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if (obj[propertyName] && isSpy(obj[propertyName])) {
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if (this.respy) {
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return obj[propertyName];
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} else {
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throw new Error(
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getErrorMsg(propertyName + ' has already been spied upon'));
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}
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}
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const originalDescriptor = descriptor;
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const spiedProperty = (0, _create_spy2.default)(propertyName, descriptor[accessType]);
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let restoreStrategy;
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if (Object.prototype.hasOwnProperty.call(obj, propertyName)) {
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restoreStrategy = function () {
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Object.defineProperty(obj, propertyName, originalDescriptor);
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};
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} else {
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restoreStrategy = function () {
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delete obj[propertyName];
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};
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}
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currentSpies().push({
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restoreObjectToOriginalState: restoreStrategy });
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const spiedDescriptor = Object.assign({}, descriptor, {
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[accessType]: spiedProperty });
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Object.defineProperty(obj, propertyName, spiedDescriptor);
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return spiedProperty;
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};
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this.clearSpies = function () {
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const spies = currentSpies();
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for (let i = spies.length - 1; i >= 0; i--) {
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const spyEntry = spies[i];
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spyEntry.restoreObjectToOriginalState();
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}
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};
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} |