| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Request consume empty bodies</title> |
| <meta name="help" href="https://fetch.spec.whatwg.org/#request"> |
| <meta name="help" href="https://fetch.spec.whatwg.org/#body-mixin"> |
| <meta name="author" title="Canon Research France" href="https://www.crf.canon.fr"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| function checkBodyText(request) { |
| return request.text().then(function(bodyAsText) { |
| assert_equals(bodyAsText, "", "Resolved value should be empty"); |
| assert_false(request.bodyUsed); |
| }); |
| } |
| |
| function checkBodyBlob(request) { |
| return request.blob().then(function(bodyAsBlob) { |
| var promise = new Promise(function(resolve, reject) { |
| var reader = new FileReader(); |
| reader.onload = function(evt) { |
| resolve(reader.result) |
| }; |
| reader.onerror = function() { |
| reject("Blob's reader failed"); |
| }; |
| reader.readAsText(bodyAsBlob); |
| }); |
| return promise.then(function(body) { |
| assert_equals(body, "", "Resolved value should be empty"); |
| assert_false(request.bodyUsed); |
| }); |
| }); |
| } |
| |
| function checkBodyArrayBuffer(request) { |
| return request.arrayBuffer().then(function(bodyAsArrayBuffer) { |
| assert_equals(bodyAsArrayBuffer.byteLength, 0, "Resolved value should be empty"); |
| assert_false(request.bodyUsed); |
| }); |
| } |
| |
| function checkBodyJSON(request) { |
| return request.json().then( |
| function(bodyAsJSON) { |
| assert_unreached("JSON parsing should fail"); |
| }, |
| function() { |
| assert_false(request.bodyUsed); |
| }); |
| } |
| |
| function checkBodyFormData(request) { |
| return request.formData().then(function(bodyAsFormData) { |
| assert_true(bodyAsFormData instanceof FormData, "Should receive a FormData"); |
| assert_false(request.bodyUsed); |
| }); |
| } |
| |
| function checkRequestWithNoBody(bodyType, checkFunction) { |
| promise_test(function(test) { |
| var request = new Request("", {"method": "POST"}); |
| assert_false(request.bodyUsed); |
| return checkFunction(request); |
| }, "Consume request's body as " + bodyType); |
| } |
| |
| var formData = new FormData(); |
| checkRequestWithNoBody("text", checkBodyText); |
| checkRequestWithNoBody("blob", checkBodyBlob); |
| checkRequestWithNoBody("arrayBuffer", checkBodyArrayBuffer); |
| checkRequestWithNoBody("json", checkBodyJSON); |
| checkRequestWithNoBody("formData", checkBodyFormData); |
| |
| function checkRequestWithEmptyBody(bodyType, body, asText) { |
| promise_test(function(test) { |
| var request = new Request("", {"method": "POST", "body": body}); |
| assert_false(request.bodyUsed, "bodyUsed is false at init"); |
| if (asText) { |
| return request.text().then(function(bodyAsString) { |
| assert_equals(bodyAsString.length, 0, "Resolved value should be empty"); |
| assert_true(request.bodyUsed, "bodyUsed is true after being consumed"); |
| }); |
| } |
| return request.arrayBuffer().then(function(bodyAsArrayBuffer) { |
| assert_equals(bodyAsArrayBuffer.byteLength, 0, "Resolved value should be empty"); |
| assert_true(request.bodyUsed, "bodyUsed is true after being consumed"); |
| }); |
| }, "Consume empty " + bodyType + " request body as " + (asText ? "text" : "arrayBuffer")); |
| } |
| |
| // FIXME: Add BufferSource, FormData and URLSearchParams. |
| checkRequestWithEmptyBody("blob", new Blob([], { "type" : "text/plain" }), false); |
| checkRequestWithEmptyBody("text", "", false); |
| checkRequestWithEmptyBody("blob", new Blob([], { "type" : "text/plain" }), true); |
| checkRequestWithEmptyBody("text", "", true); |
| checkRequestWithEmptyBody("URLSearchParams", new URLSearchParams(""), true); |
| // FIXME: This test assumes that the empty string be returned but it is not clear whether that is right. See https://github.com/w3c/web-platform-tests/pull/3950. |
| checkRequestWithEmptyBody("FormData", new FormData(), true); |
| checkRequestWithEmptyBody("ArrayBuffer", new ArrayBuffer(), true); |
| </script> |
| </body> |
| </html> |
