mocha-patch.js

/**
* @license Angular v9.1.0-next.4+61.sha-e552591.with-local-changes
* (c) 2010-2020 Google LLC. https://angular.io/
* License: MIT
*/
(function (factory) {
    typeof define === 'function' && define.amd ? define(factory) :
        factory();
}((function () {
    'use strict';
    /**
     * @license
     * Copyright Google Inc. All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    Zone.__load_patch('mocha', function (global, Zone) {
        var Mocha = global.Mocha;
        if (typeof Mocha === 'undefined') {
            // return if Mocha is not available, because now zone-testing
            // will load mocha patch with jasmine/jest patch
            return;
        }
        if (typeof Zone === 'undefined') {
            throw new Error('Missing Zone.js');
        }
        var ProxyZoneSpec = Zone['ProxyZoneSpec'];
        var SyncTestZoneSpec = Zone['SyncTestZoneSpec'];
        if (!ProxyZoneSpec) {
            throw new Error('Missing ProxyZoneSpec');
        }
        if (Mocha['__zone_patch__']) {
            throw new Error('"Mocha" has already been patched with "Zone".');
        }
        Mocha['__zone_patch__'] = true;
        var rootZone = Zone.current;
        var syncZone = rootZone.fork(new SyncTestZoneSpec('Mocha.describe'));
        var testZone = null;
        var suiteZone = rootZone.fork(new ProxyZoneSpec());
        var mochaOriginal = {
            after: Mocha.after,
            afterEach: Mocha.afterEach,
            before: Mocha.before,
            beforeEach: Mocha.beforeEach,
            describe: Mocha.describe,
            it: Mocha.it
        };
        function modifyArguments(args, syncTest, asyncTest) {
            var _loop_1 = function (i) {
                var arg = args[i];
                if (typeof arg === 'function') {
                    // The `done` callback is only passed through if the function expects at
                    // least one argument.
                    // Note we have to make a function with correct number of arguments,
                    // otherwise mocha will
                    // think that all functions are sync or async.
                    args[i] = (arg.length === 0) ? syncTest(arg) : asyncTest(arg);
                    // Mocha uses toString to view the test body in the result list, make sure we return the
                    // correct function body
                    args[i].toString = function () { return arg.toString(); };
                }
            };
            for (var i = 0; i < args.length; i++) {
                _loop_1(i);
            }
            return args;
        }
        function wrapDescribeInZone(args) {
            var syncTest = function (fn) {
                return function () { return syncZone.run(fn, this, arguments); };
            };
            return modifyArguments(args, syncTest);
        }
        function wrapTestInZone(args) {
            var asyncTest = function (fn) {
                return function (done) { return testZone.run(fn, this, [done]); };
            };
            var syncTest = function (fn) {
                return function () { return testZone.run(fn, this); };
            };
            return modifyArguments(args, syncTest, asyncTest);
        }
        function wrapSuiteInZone(args) {
            var asyncTest = function (fn) {
                return function (done) { return suiteZone.run(fn, this, [done]); };
            };
            var syncTest = function (fn) {
                return function () { return suiteZone.run(fn, this); };
            };
            return modifyArguments(args, syncTest, asyncTest);
        }
        global.describe = global.suite = Mocha.describe = function () {
            return mochaOriginal.describe.apply(this, wrapDescribeInZone(arguments));
        };
        global.xdescribe = global.suite.skip = Mocha.describe.skip = function () {
            return mochaOriginal.describe.skip.apply(this, wrapDescribeInZone(arguments));
        };
        global.describe.only = global.suite.only = Mocha.describe.only = function () {
            return mochaOriginal.describe.only.apply(this, wrapDescribeInZone(arguments));
        };
        global.it = global.specify = global.test =
            Mocha.it = function () { return mochaOriginal.it.apply(this, wrapTestInZone(arguments)); };
        global.xit = global.xspecify = Mocha.it.skip = function () {
            return mochaOriginal.it.skip.apply(this, wrapTestInZone(arguments));
        };
        global.it.only = global.test.only = Mocha.it.only = function () {
            return mochaOriginal.it.only.apply(this, wrapTestInZone(arguments));
        };
        global.after = global.suiteTeardown = Mocha.after = function () {
            return mochaOriginal.after.apply(this, wrapSuiteInZone(arguments));
        };
        global.afterEach = global.teardown = Mocha.afterEach = function () {
            return mochaOriginal.afterEach.apply(this, wrapTestInZone(arguments));
        };
        global.before = global.suiteSetup = Mocha.before = function () {
            return mochaOriginal.before.apply(this, wrapSuiteInZone(arguments));
        };
        global.beforeEach = global.setup = Mocha.beforeEach = function () {
            return mochaOriginal.beforeEach.apply(this, wrapTestInZone(arguments));
        };
        (function (originalRunTest, originalRun) {
            Mocha.Runner.prototype.runTest = function (fn) {
                var _this = this;
                Zone.current.scheduleMicroTask('mocha.forceTask', function () { originalRunTest.call(_this, fn); });
            };
            Mocha.Runner.prototype.run = function (fn) {
                this.on('test', function (e) { testZone = rootZone.fork(new ProxyZoneSpec()); });
                this.on('fail', function (test, err) {
                    var proxyZoneSpec = testZone && testZone.get('ProxyZoneSpec');
                    if (proxyZoneSpec && err) {
                        try {
                            // try catch here in case err.message is not writable
                            err.message += proxyZoneSpec.getAndClearPendingTasksInfo();
                        }
                        catch (error) {
                        }
                    }
                });
                return originalRun.call(this, fn);
            };
        })(Mocha.Runner.prototype.runTest, Mocha.Runner.prototype.run);
    });
})));