Function getTensor

tfjs-data/src/iterators/microphone_iterator_test.ts:191–208

()

     * tensor returned from 3rd call,  timesRun:3, tensorsReturned:3.
     */
    const getTensor = async () => {
      // Clear the interval after it ran 3 times.
      if (timesRun === 3) {
        clearInterval(interval);
      } else {
        timesRun++;
        expect(tensorsReturned).toBe(0);
        const result = await microphoneIterator.next();
        tensorsReturned++;
        // When the first tensor got returned (~464ms), getTensor() function
        // should have been called 3 times (at 400ms).
        expect(timesRun).toBe(3);
        expect(result.done).toBeFalsy();
   
        const value = result.value;
        expect(value.spectrogram.shape).toEqual([10, 10, 1]);
      }
    };

    // Call iterator.next() every 200 milliseconds, stop after 3 times.
    const interval = setInterval(getTensor, 1);