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Test Info: Warnings
- This test has a WPT meta file that expects 80 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /fetch/content-type/response.window.html - WPT Dashboard Interop Dashboard
promise_test(() => {
return fetch("resources/content-types.json").then(res => res.json()).then(runTests);
}, "Loading JSON…");
function runTests(tests) {
tests.forEach(testUnit => {
runFrameTest(testUnit, false);
runFrameTest(testUnit, true);
runFetchTest(testUnit, false);
runFetchTest(testUnit, true);
runRequestResponseTest(testUnit, "Request");
runRequestResponseTest(testUnit, "Response");
});
}
function runFrameTest(testUnit, singleHeader) {
// Note: window.js is always UTF-8
const encoding = testUnit.encoding !== null ? testUnit.encoding : "UTF-8";
async_test(t => {
const frame = document.body.appendChild(document.createElement("iframe"));
t.add_cleanup(() => frame.remove());
frame.src = getURL(testUnit.contentType, singleHeader);
frame.onload = t.step_func_done(() => {
// Edge requires toUpperCase()
const doc = frame.contentDocument;
assert_equals(doc.characterSet.toUpperCase(), encoding.toUpperCase());
if (testUnit.documentContentType === "text/plain") {
assert_equals(doc.body.textContent, "<b>hi</b>\n");
} else if (testUnit.documentContentType === "text/html") {
assert_equals(doc.body.firstChild.localName, "b");
assert_equals(doc.body.firstChild.textContent, "hi");
}
assert_equals(doc.contentType, testUnit.documentContentType);
});
}, getDesc("<iframe>", testUnit.contentType, singleHeader));
}
function getDesc(type, input, singleHeader) {
return type + ": " + (singleHeader ? "combined" : "separate") + " response Content-Type: " + input.join(" ");
}
function getURL(input, singleHeader) {
// Edge does not support URLSearchParams
let url = "resources/content-type.py?"
if (singleHeader) {
url += "single_header&"
}
input.forEach(val => {
url += "value=" + encodeURIComponent(val) + "&";
});
return url;
}
function runFetchTest(testUnit, singleHeader) {
promise_test(async t => {
const blob = await (await fetch(getURL(testUnit.contentType, singleHeader))).blob();
assert_equals(blob.type, testUnit.mimeType);
}, getDesc("fetch()", testUnit.contentType, singleHeader));
}
function runRequestResponseTest(testUnit, stringConstructor) {
promise_test(async t => {
// Cannot give Response a body as that will set Content-Type, but Request needs a URL
const constructorArgument = stringConstructor === "Request" ? "about:blank" : undefined;
const r = new self[stringConstructor](constructorArgument);
testUnit.contentType.forEach(val => {
r.headers.append("Content-Type", val);
});
const blob = await r.blob();
assert_equals(blob.type, testUnit.mimeType);
}, getDesc(stringConstructor, testUnit.contentType, true));
}