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feat: add basic jest support (#35080)

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PR Close #35080
This commit is contained in:
JiaLiPassion
2020-02-01 00:08:40 +09:00
committed by Kara Erickson
parent f7e1c21596
commit daac33cdc8
8 changed files with 180 additions and 3 deletions
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7
packages/zone.js/lib/jasmine/jasmine.ts
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@ -9,6 +9,7 @@
/// <reference types="jasmine"/>
'use strict';
declare let jest: any;
((_global: any) => {
const __extends = function(d: any, b: any) {
for (const p in b)
@ -19,6 +20,11 @@
// Patch jasmine's describe/it/beforeEach/afterEach functions so test code always runs
// in a testZone (ProxyZone). (See: angular/zone.js#91 & angular/angular#10503)
if (!Zone) throw new Error('Missing: zone.js');
if (typeof jest !== 'undefined') {
// return if jasmine is a light implementation inside jest
// in this case, we are running inside jest not jasmine
return;
}
if (typeof jasmine == 'undefined') throw new Error('Missing: jasmine.js');
if ((jasmine as any)['__zone_patch__'])
throw new Error(`'jasmine' has already been patched with 'Zone'.`);
@ -285,7 +291,6 @@
// This is the zone which will be used for running individual tests.
// It will be a proxy zone, so that the tests function can retroactively install
// different zones.
// Example:
// - In beforeEach() do childZone = Zone.current.fork(...);
// - In it() try to do fakeAsync(). The issue is that because the beforeEach forked the
// zone outside of fakeAsync it will be able to escape the fakeAsync rules.