| <!DOCTYPE html> |
| <title>Subresource loading using relative URLs in the 'resources' attribute</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> |
| |
| <body> |
| <link |
| rel="webbundle" |
| href="../resources/wbn/static-element.wbn" |
| resources="/web-bundle/resources/wbn/static-element/resources/script.js"/> |
| <script id="script" src="/web-bundle/resources/wbn/static-element/resources/script.js"></script> |
| |
| <script> |
| const onLoadPromise = new Promise((resolve) => { |
| window.addEventListener('load', resolve, false); |
| }); |
| |
| /* |
| This test tries to load 'script.js' subresource from a static-element.wbn, using |
| a relative URL instead of an absolute one with a <link> and <script> elements |
| directly in the document (they are used only for this test). |
| */ |
| promise_test(async () => { |
| await onLoadPromise; |
| |
| assert_equals(resources_script_result, 'loaded from webbundle'); |
| }, "A subresource script.js should be loaded from WebBundle using the relative URL."); |
| |
| // Simple load of a root.js subresource from subresource.wbn using a relative URL. |
| promise_test(async () => { |
| const link = document.createElement("link"); |
| const resource_url = '/web-bundle/resources/wbn/root.js'; |
| link.rel = "webbundle"; |
| link.href = "../resources/wbn/subresource.wbn"; |
| link.resources.add(resource_url); |
| document.body.appendChild(link); |
| |
| const response = await fetch(resource_url); |
| assert_true(response.ok); |
| const root = await response.text(); |
| assert_equals(root, "export * from './submodule.js';\n"); |
| }, "Subresources with relative URLs should be loaded from the WebBundle."); |
| |
| // Simple load of a root.js subresource from subresource.wbn using an |
| // incorrect relative URL leading to a failed fetch. |
| promise_test(async () => { |
| const link = document.createElement("link"); |
| const resource_url = 'web-bundle/resources/wbn/root.js'; |
| link.rel = "webbundle"; |
| link.href = "../resources/wbn/subresource.wbn"; |
| link.resources.add(resource_url); |
| document.body.appendChild(link); |
| |
| const response = await fetch(resource_url); |
| assert_false(response.ok); |
| }, "Wrong relative URL should result in a failed fetch."); |
| </script> |
| </body> |
