90 lines
3.4 KiB
TypeScript
90 lines
3.4 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {beforeEach, ddescribe, describe, expect, iit, inject, it, xdescribe, xit,} from '@angular/core/testing/testing_internal';
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import {BaseException, WrappedException, ExceptionHandler} from '../src/exceptions';
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class _CustomException {
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context = 'some context';
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toString(): string { return 'custom'; }
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}
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export function main() {
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describe('ExceptionHandler', () => {
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it('should output exception', () => {
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var e = ExceptionHandler.exceptionToString(new BaseException('message!'));
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expect(e).toContain('message!');
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});
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it('should output stackTrace', () => {
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var e = ExceptionHandler.exceptionToString(new BaseException('message!'), 'stack!');
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expect(e).toContain('stack!');
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});
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it('should join a long stackTrace', () => {
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var e =
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ExceptionHandler.exceptionToString(new BaseException('message!'), ['stack1', 'stack2']);
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expect(e).toContain('stack1');
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expect(e).toContain('stack2');
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});
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it('should output reason when present', () => {
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var e = ExceptionHandler.exceptionToString(new BaseException('message!'), null, 'reason!');
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expect(e).toContain('reason!');
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});
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describe('context', () => {
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it('should print context', () => {
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var e = ExceptionHandler.exceptionToString(
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new WrappedException('message!', null, null, 'context!'));
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expect(e).toContain('context!');
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});
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it('should print nested context', () => {
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var original = new WrappedException('message!', null, null, 'context!');
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var e = ExceptionHandler.exceptionToString(new WrappedException('message', original));
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expect(e).toContain('context!');
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});
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it('should not print context when the passed-in exception is not a BaseException', () => {
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var e = ExceptionHandler.exceptionToString(new _CustomException());
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expect(e).not.toContain('context');
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});
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});
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describe('original exception', () => {
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it('should print original exception message if available (original is BaseException)', () => {
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var realOriginal = new BaseException('inner');
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var original = new WrappedException('wrapped', realOriginal);
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var e =
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ExceptionHandler.exceptionToString(new WrappedException('wrappedwrapped', original));
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expect(e).toContain('inner');
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});
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it('should print original exception message if available (original is not BaseException)',
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() => {
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var realOriginal = new _CustomException();
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var original = new WrappedException('wrapped', realOriginal);
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var e =
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ExceptionHandler.exceptionToString(new WrappedException('wrappedwrapped', original));
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expect(e).toContain('custom');
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});
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});
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describe('original stack', () => {
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it('should print original stack if available', () => {
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var realOriginal = new BaseException('inner');
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var original = new WrappedException('wrapped', realOriginal, 'originalStack');
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var e = ExceptionHandler.exceptionToString(
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new WrappedException('wrappedwrapped', original, 'wrappedStack'));
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expect(e).toContain('originalStack');
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});
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});
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});
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}
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