<!DOCTYPE html>
<!--
[%provenance%]
-->
<html lang="en">
  <meta charset="utf-8">
  <title>HTTP headers on request for HTML "script" element source</title>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="/fetch/metadata/resources/helper.sub.js"></script>
  <body>
  <script>
  'use strict';

  function induceRequest(url, attributes) {
    const script = document.createElement('script');
    script.setAttribute('src', url);

    for (const [ name, value ] of Object.entries(attributes)) {
      script.setAttribute(name, value);
    }

    return new Promise((resolve, reject) => {
        script.onload = resolve;
        script.onerror = () => reject('Failed to load script');
        document.body.appendChild(script);
      })
      .then(() => script.remove());
  }
  {%- for subtest in subtests %}

  promise_test(() => {
    const key = '{{uuid()}}';
    const url = makeRequestURL(
      key, [% subtest.origins %], { mime: 'application/javascript' }
    );

    return induceRequest(url,
        [%subtest.elementAttrs | default({}) | tojson%]
      )
      .then(() => retrieve(key))
      .then((headers) => {
        {%- if subtest.expected == none %}
          assert_not_own_property(headers, '[%subtest.headerName%]');
        {%- else %}
          assert_own_property(headers, '[%subtest.headerName%]');
          assert_array_equals(headers['[%subtest.headerName%]'], ['[%subtest.expected%]']);
        {%- endif %}
        });
  }, '[%subtest.headerName%] - [%subtest.description | pad("end", ", ")%][%-subtest.elementAttrs | collection("attributes")%]');

  {%- endfor %}
  </script>
</html>
