angular-cn/packages/zone.js/test/common/promise-disable-wrap-uncaug...

80 lines
2.4 KiB
TypeScript

/**
* @license
* Copyright Google LLC 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
*/
class TestRejection {
prop1?: string;
prop2?: string;
}
describe('disable wrap uncaught promise rejection', () => {
it('should notify Zone.onHandleError if promise is uncaught', (done) => {
let promiseError: Error|null = null;
let zone: Zone|null = null;
let task: Task|null = null;
let error: Error|null = null;
Zone.current
.fork({
name: 'promise-error',
onHandleError: (delegate: ZoneDelegate, current: Zone, target: Zone, error: any):
boolean => {
promiseError = error;
delegate.handleError(target, error);
return false;
}
})
.run(() => {
zone = Zone.current;
task = Zone.currentTask;
error = new Error('rejectedErrorShouldBeHandled');
try {
// throw so that the stack trace is captured
throw error;
} catch (e) {
}
Promise.reject(error);
expect(promiseError).toBe(null);
});
setTimeout((): any => null);
setTimeout(() => {
expect(promiseError).toBe(error);
expect((promiseError as any)['rejection']).toBe(error);
expect((promiseError as any)['zone']).toBe(zone);
expect((promiseError as any)['task']).toBe(task);
done();
});
});
it('should print original information when a non-Error object is used for rejection', (done) => {
let promiseError: Error|null = null;
let rejectObj: TestRejection;
Zone.current
.fork({
name: 'promise-error',
onHandleError: (delegate: ZoneDelegate, current: Zone, target: Zone, error: any):
boolean => {
promiseError = error;
delegate.handleError(target, error);
return false;
}
})
.run(() => {
rejectObj = new TestRejection();
rejectObj.prop1 = 'value1';
rejectObj.prop2 = 'value2';
(rejectObj as any).message = 'rejectMessage';
Promise.reject(rejectObj);
expect(promiseError).toBe(null);
});
setTimeout((): any => null);
setTimeout(() => {
expect(promiseError).toEqual(rejectObj as any);
done();
});
});
});