disabled-cache-navigation.js | Explore in Territory

(async function(/** @type {import('test_runner').TestRunner} */ testRunner) {
  const {dp} = await testRunner.startBlank(
      `Tests that browser-initiated navigation honors Network.setCacheDisabled\n`);

  async function navigateAndGetResponse() {
    dp.Page.navigate({url: testRunner.url('resources/cached.php')});
    const responseReceivedExtraInfoEvents = [];
    dp.Network.onResponseReceivedExtraInfo(event => {
      responseReceivedExtraInfoEvents.push(event);
    });
    const [responseReceived] = await Promise.all([
      dp.Network.onceResponseReceived(),
      dp.Network.onceLoadingFinished()]
    );
    const response = responseReceived.params;
    if (response.hasExtraInfo && responseReceivedExtraInfoEvents.length > 1) {
      testRunner.fail(`More than one ResponseReceivedExtraInfo events received.`);
    }
    if (response.hasExtraInfo && !responseReceivedExtraInfoEvents.length) {
      await dp.Network.onceResponseReceivedExtraInfo();
    }
    const [responseReceivedExtraInfo] = responseReceivedExtraInfoEvents;
    const content = (await dp.Network.getResponseBody({requestId: response.requestId})).result.body;
    if (typeof content != 'string' || !content.startsWith('<html>'))
      testRunner.fail(`Invalid response: ${content}`);
    return {
      status: response.response.status,
      extraInfoStatus: responseReceivedExtraInfo?.params.statusCode,
      content: content
    };
  }
  await dp.Page.enable();
  await dp.Network.enable();
  const response = await navigateAndGetResponse();
  testRunner.log(`Original navigation, should not be cached:`);
  testRunner.log(`  responseReceived status: ${response.status}`);
  testRunner.log(`  responseReceivedExtraInfo status: ${response.extraInfoStatus}\n`);

  const response2 = await navigateAndGetResponse();
  testRunner.log(`Second navigation, should be cached:`);
  testRunner.log(`  responseReceived status: ${response2.status}`);
  testRunner.log(`  responseReceivedExtraInfo status: ${response2.extraInfoStatus}`);
  testRunner.log(`  cached: ${response.content === response2.content}\n`);

  await dp.Network.setCacheDisabled({cacheDisabled: true});
  const response3 = await navigateAndGetResponse();

  testRunner.log(`Navigation with cache disabled:`);
  testRunner.log(`  responseReceived status: ${response3.status}`);
  testRunner.log(`  responseReceivedExtraInfo status: ${response3.extraInfoStatus}`);
  testRunner.log(`  cached: ${response3.content === response2.content}`);
  testRunner.completeTest();
})
chromium/third_party/blink/web_tests/http/tests/inspector-protocol/network/disabled-cache-navigation.js
