| <!DOCTYPE html> |
| <html> |
| |
| <head> |
| <meta charset="utf-8"> |
| <title>contentEncoding in resource timing</title> |
| <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> |
| <link rel="help" href="https://www.w3.org/TR/resource-timing-2/#sec-performanceresourcetiming" /> |
| <script src="/common/get-host-info.sub.js"></script> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/entry-invariants.js"></script> |
| <script src="resources/resource-loaders.js"></script> |
| <script> |
| |
| const { ORIGIN, REMOTE_ORIGIN } = get_host_info(); |
| |
| const run_same_origin_test = (path, contentEncoding) => { |
| const url = new URL(path, ORIGIN); |
| attribute_test( |
| fetch, url, |
| entry => { |
| assert_equals(entry.contentEncoding, contentEncoding, |
| `run_same_origin_test failed, unexpected contentEncoding value.`); |
| }); |
| } |
| |
| run_same_origin_test("/resource-timing/resources/compressed-data.py?content_encoding=dcb", "dcb"); |
| run_same_origin_test("/resource-timing/resources/compressed-data.py?content_encoding=dcz", "dcz"); |
| run_same_origin_test("/resource-timing/resources/gzip_xml.py", "gzip"); |
| run_same_origin_test("/resource-timing/resources/foo.text.br", "br"); |
| run_same_origin_test("/resource-timing/resources/foo.text.gz", "gzip"); |
| run_same_origin_test("/resource-timing/resources/foo.text.zst", "zstd"); |
| run_same_origin_test("/resource-timing/resources/compressed-js.py?content_encoding=deflate", "deflate"); |
| run_same_origin_test("/resource-timing/resources/compressed-js.py?content_encoding=gzip", "gzip"); |
| // Unrecognized content encoding value should be transformed to "@unknown". |
| run_same_origin_test("/resource-timing/resources/compressed-js.py?content_encoding=unrecognizedname", "@unknown"); |
| // "identity" is not allowed in response header and should be transformed to "@unknown". |
| run_same_origin_test("/resource-timing/resources/compressed-js.py?content_encoding=identity", "@unknown"); |
| // Mult-encodinging and formatting tests. |
| run_same_origin_test("/resource-timing/resources/content-encoding-headers.py?content_encoding=gzip, deflate,Apple", "multiple"); |
| run_same_origin_test("/resource-timing/resources/content-encoding-headers.py?content_encoding=gzip, ", "multiple"); |
| run_same_origin_test("/resource-timing/resources/content-encoding-headers.py?content_encoding=gZip ", "gzip"); |
| // Empty value test. |
| run_same_origin_test("/resource-timing/resources/content-encoding-headers.py?content_encoding=", ""); |
| |
| const run_cross_origin_test = (path) => { |
| const url = new URL(path, REMOTE_ORIGIN); |
| attribute_test( |
| load.xhr_async, url, |
| entry => { |
| assert_equals(entry.contentEncoding, "", |
| `run_cross_origin_test failed, contentEncoding should be empty.`); |
| }); |
| } |
| |
| run_cross_origin_test("/resource-timing/resources/compressed-data.py?content_encoding=dcb"); |
| run_cross_origin_test("/resource-timing/resources/gzip_xml.py"); |
| run_cross_origin_test("/resource-timing/resources/compressed-data.py?content_encoding=dcz"); |
| run_cross_origin_test("/resource-timing/resources/foo.text.br"); |
| run_cross_origin_test("/resource-timing/resources/foo.text.gz"); |
| run_cross_origin_test("/resource-timing/resources/foo.text.zst"); |
| run_cross_origin_test("/resource-timing/resources/compressed-js.py?content_encoding=deflate"); |
| run_cross_origin_test("/resource-timing/resources/compressed-js.py?content_encoding=gzip"); |
| |
| const run_cross_origin_allowed_test = (path, contentEncoding) => { |
| const url = new URL(path, REMOTE_ORIGIN); |
| url.searchParams.set("allow_origin", ORIGIN); |
| attribute_test( |
| load.xhr_async, url, |
| entry => { |
| assert_equals(entry.contentEncoding, contentEncoding, |
| `run_cross_origin_allowed_test failed, unexpected contentEncoding value.`); |
| }); |
| } |
| |
| run_cross_origin_allowed_test("/resource-timing/resources/compressed-data.py?content_encoding=dcb", "dcb"); |
| run_cross_origin_allowed_test("/resource-timing/resources/compressed-data.py?content_encoding=dcz", "dcz"); |
| run_cross_origin_allowed_test("/resource-timing/resources/gzip_xml.py", "gzip"); |
| run_cross_origin_allowed_test("/resource-timing/resources/compressed-js.py?content_encoding=deflate", "deflate"); |
| run_cross_origin_allowed_test("/resource-timing/resources/compressed-js.py?content_encoding=gzip", "gzip"); |
| |
| // Content-Encoding for iframes is empty when cross origin redirects are present. |
| const multiRedirect = new URL(`${ORIGIN}/resource-timing/resources/multi_redirect.py`); |
| multiRedirect.searchParams.append("page_origin", ORIGIN); |
| multiRedirect.searchParams.append("cross_origin", REMOTE_ORIGIN); |
| multiRedirect.searchParams.append("final_resource", "/resource-timing/resources/compressed-js.py?content_encoding=gzip"); |
| attribute_test(load.iframe, multiRedirect, (entry) => { |
| assert_equals(entry.contentEncoding, "", |
| `content-encoding should be empty for iframes having cross origin redirects`); |
| }); |
| |
| |
| // Content-Encoding for iframes is exposed for same origin redirects. |
| const redirectCORS = new URL(`${ORIGIN}/resource-timing/resources/redirect-cors.py`); |
| const dest = `${ORIGIN}/resource-timing/resources/compressed-js.py?content_encoding=gzip`; |
| redirectCORS.searchParams.append("location", dest) |
| attribute_test(load.iframe, redirectCORS, (entry) => { |
| assert_equals(entry.contentEncoding, "gzip", |
| `content-encoding should be exposed for iframes having only same origin redirects`); |
| }); |
| |
| </script> |
| </head> |
| |
| <body> |
| <h1> |
| Description</h1> |
| <p> |
| This test validates contentEncoding in resource timing.</p> |
| </body> |
| |
| </html> |
