hls.js/tests/unit/utils/error-helper.js

import { shouldRetry } from '../../../src/utils/error-helper';

describe('ErrorHelper', function () {
  it('shouldRetry', function () {
    const retryConfig = {
      maxNumRetry: 3,
    };
    expect(
      shouldRetry(retryConfig, 3, false, {
        url: '',
        data: undefined,
        code: 502,
      }),
    ).to.be.false;
    expect(
      shouldRetry(null, 3, false, {
        url: '',
        data: undefined,
        code: 502,
      }),
    ).to.be.false;
    expect(
      shouldRetry(retryConfig, 2, false, {
        url: '',
        data: undefined,
        code: 502,
      }),
    ).to.be.true;
    expect(
      shouldRetry(retryConfig, 2, false, {
        url: '',
        data: undefined,
        code: 404,
      }),
    ).to.be.false;

    retryConfig.shouldRetry = (
      _retryConfig,
      _retryCount,
      _isTimeout,
      loaderResponse,
      retry,
    ) => {
      if (!retry && loaderResponse?.code === 404) {
        return true;
      }

      return false;
    };
    expect(
      shouldRetry(
        retryConfig,
        5,
        false,
        {
          url: '',
          data: undefined,
          code: 404,
        },
        false,
      ),
    ).to.be.true;

    retryConfig.shouldRetry = (retryConfig, retryCount) => {
      return retryConfig.maxNumRetry <= retryCount;
    };
    expect(
      shouldRetry(
        retryConfig,
        2,
        false,
        {
          url: '',
          data: undefined,
          code: 502,
        },
        true,
      ),
    ).to.be.false;
  });
});