mozilla-central/testing/web-platform/tests/fetch/api/response/response-consume-empty.any.js (file symbol)

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Test Info: Warnings

// META: global=window,worker
// META: title=Response consume empty bodies
function checkBodyText(test, response) {
return response.text().then(function(bodyAsText) {
assert_equals(bodyAsText, "", "Resolved value should be empty");
assert_false(response.bodyUsed);
});
}
async function checkBodyBlob(test, response) {
const bodyAsBlob = await response.blob();
const body = await bodyAsBlob.text();
assert_equals(body, "", "Resolved value should be empty");
assert_false(response.bodyUsed);
}
function checkBodyArrayBuffer(test, response) {
return response.arrayBuffer().then(function(bodyAsArrayBuffer) {
assert_equals(bodyAsArrayBuffer.byteLength, 0, "Resolved value should be empty");
assert_false(response.bodyUsed);
});
}
function checkBodyJSON(test, response) {
return response.json().then(
function(bodyAsJSON) {
assert_unreached("JSON parsing should fail");
},
function() {
assert_false(response.bodyUsed);
});
}
function checkBodyFormData(test, response) {
return response.formData().then(function(bodyAsFormData) {
assert_true(bodyAsFormData instanceof FormData, "Should receive a FormData");
assert_false(response.bodyUsed);
});
}
function checkBodyFormDataError(test, response) {
return promise_rejects_js(test, TypeError, response.formData()).then(function() {
assert_false(response.bodyUsed);
});
}
function checkResponseWithNoBody(bodyType, checkFunction, headers = []) {
promise_test(function(test) {
var response = new Response(undefined, { "headers": headers });
assert_false(response.bodyUsed);
return checkFunction(test, response);
}, "Consume response's body as " + bodyType);
}
checkResponseWithNoBody("text", checkBodyText);
checkResponseWithNoBody("blob", checkBodyBlob);
checkResponseWithNoBody("arrayBuffer", checkBodyArrayBuffer);
checkResponseWithNoBody("json (error case)", checkBodyJSON);
checkResponseWithNoBody("formData with correct multipart type (error case)", checkBodyFormDataError, [["Content-Type", 'multipart/form-data; boundary="boundary"']]);
checkResponseWithNoBody("formData with correct urlencoded type", checkBodyFormData, [["Content-Type", "application/x-www-form-urlencoded;charset=UTF-8"]]);
checkResponseWithNoBody("formData without correct type (error case)", checkBodyFormDataError);
function checkResponseWithEmptyBody(bodyType, body, asText) {
promise_test(function(test) {
var response = new Response(body);
assert_false(response.bodyUsed, "bodyUsed is false at init");
if (asText) {
return response.text().then(function(bodyAsString) {
assert_equals(bodyAsString.length, 0, "Resolved value should be empty");
assert_true(response.bodyUsed, "bodyUsed is true after being consumed");
});
}
return response.arrayBuffer().then(function(bodyAsArrayBuffer) {
assert_equals(bodyAsArrayBuffer.byteLength, 0, "Resolved value should be empty");
assert_true(response.bodyUsed, "bodyUsed is true after being consumed");
});
}, "Consume empty " + bodyType + " response body as " + (asText ? "text" : "arrayBuffer"));
}
checkResponseWithEmptyBody("blob", new Blob([], { "type" : "text/plain" }), false);
checkResponseWithEmptyBody("text", "", false);
checkResponseWithEmptyBody("blob", new Blob([], { "type" : "text/plain" }), true);
checkResponseWithEmptyBody("text", "", true);
checkResponseWithEmptyBody("URLSearchParams", new URLSearchParams(""), true);
checkResponseWithEmptyBody("FormData", new FormData(), true);
checkResponseWithEmptyBody("ArrayBuffer", new ArrayBuffer(), true);