<!DOCTYPE html>
<title>Subresource loading using relative URLs in the 'resources'</title>
<link
rel="help"
href="https://github.com/WICG/webpackage/blob/main/explainers/subresource-loading.md"
/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/test-helpers.js"></script>
<script>
setup(() => {
assert_true(HTMLScriptElement.supports("webbundle"));
});
</script>
<body>
<script>
let script;
function cleanUp() {
if (script) {
script.remove();
}
}
function createScriptWebBundle(resource) {
return createWebBundleElement(
"../resources/wbn/subresource.wbn",
/*resources=*/ [resource]
);
}
async function assertResourceCanBeFetched() {
const response = await fetch(`../resources/wbn/root.js`);
const text = await response.text();
assert_equals(text, "export * from './submodule.js';\n");
}
async function assertResourceNotFound() {
const response = await fetch(`../resources/wbn/root.js`);
const status = await response.status;
assert_equals(status, 404);
}
promise_test(async (t) => {
t.add_cleanup(cleanUp);
script = createScriptWebBundle("root.js");
document.body.append(script);
await assertResourceCanBeFetched();
}, "A relative URL, 'root.js', should be resolved on the bundle's URL");
promise_test(async (t) => {
t.add_cleanup(cleanUp);
script = createScriptWebBundle("./root.js");
document.body.append(script);
await assertResourceCanBeFetched();
}, "Use './root.js', starting with dot");
promise_test(async (t) => {
t.add_cleanup(cleanUp);
script = createScriptWebBundle("../wbn/root.js");
document.body.append(script);
await assertResourceCanBeFetched();
}, "Use '../wbn/root.js', starting with two dots");
promise_test(async (t) => {
t.add_cleanup(cleanUp);
script = createScriptWebBundle("/web-bundle/resources/wbn/root.js");
document.body.append(script);
await assertResourceCanBeFetched();
}, "Use '/web-bundle/resources/wbn/root.js', starting with slash");
promise_test(async (t) => {
t.add_cleanup(cleanUp);
script = createScriptWebBundle("unrelated-relative-url.js");
document.body.append(script);
await assertResourceNotFound();
}, "A resource should not be found");
</script>
</body>