hunk.code_window:     target?: Target,
       scheduler: experimental.jobs.Scheduler,
       logger: logging.LoggerApi,
       workspaceRoot: string | Promise<string>,
       currentDirectory: string | Promise<string>,
     },
   ): Promise<BuilderRun> {
     const childLoggerName = options.target ? `{${targetStringFromTarget(options.target)}}` : name;
     const logger = options.logger.createChild(childLoggerName);
     const job = options.scheduler.schedule<{}, BuilderInput, BuilderOutput>(name, {});
  
hunk.labels: keep keep keep keep add keep keep keep keep keep
hunk.after_edit:     analytics?: Analytics,
  
hunk.file_path: packages/angular_devkit/architect/src/schedule-by-name.ts
hunk.type: add
file: /**
   * @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
   */
  
  import { Architect } from '@angular-devkit/architect/src/index2';
  import { debounceTime, take, tap } from 'rxjs/operators';
  import { createArchitect, host } from '../utils';
  
  
  describe('Browser Builder poll', () => {
    const target = { project: 'app', target: 'build' };
    let architect: Architect;
  
    beforeEach(async () => {
      await host.initialize().toPromise();
      architect = (await createArchitect(host.root())).architect;
    });
    afterEach(async () => host.restore().toPromise());
  
    it('works', async () => {
      const overrides = { watch: true, poll: 10000 };
      const intervals: number[] = [];
      let startTime: number | undefined;
  
      const run = await architect.scheduleTarget(target, overrides);
      await run.output.pipe(
        // Debounce 1s, otherwise changes are too close together and polling doesn't work.
        debounceTime(1000),
        tap((buildEvent) => {
          expect(buildEvent.success).toBe(true);
          if (startTime != undefined) {
            intervals.push(Date.now() - startTime - 1000);
          }
          startTime = Date.now();
          host.appendToFile('src/main.ts', 'console.log(1);');
        }),
        take(4),
      ).toPromise();
  
      intervals.sort();
      const median = intervals[Math.trunc(intervals.length / 2)];
      expect(median).toBeGreaterThan(3000);
      expect(median).toBeLessThan(12000);
    });
  });
  