sends-report-on-cache-validation.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /network-error-logging/sends-report-on-cache-validation.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<html>

<head>

  <title>

    Test that NEL reports are sent for cache validation requests

  </title>

  <script src='/resources/testharness.js'></script>

  <script src='/resources/testharnessreport.js'></script>

  <script src='./support/nel.sub.js'></script>

</head>

<body>

  <script>

    nel_test(async t => {

      // Fetch a resource that can be cached, but whose response requires

      // validation.  Do this *before* fetching the NEL policy for this origin,

      // to ensure that we don't generate any report about this request.

      await fetchValidatedCachedResource();

      // Fetch the NEL policy for this origin.

      await fetchResourceWithBasicPolicy();

      // Fetch the now-cached resource again.  Because the response requires

      // validation, this will result in a network request.

      await fetchValidatedCachedResource();

      // We should receive a report about the cache validation request.

      assert_true(await reportExists({

        url: getURLForValidatedCachedResource(),

        user_agent: navigator.userAgent,

        type: "network-error",

        body: {

          method: "GET",

          sampling_fraction: 1.0,

          status_code: 304,

          phase: "application",

          type: "ok",

},

        metadata: {

          content_type: "application/reports+json",

},

      }));

});

  </script>

</body>

</html>