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Worth noting due to implementation of the Headers class the contents of headersMap have lowercase keys, although this matches the specification as header keys are case agnostic it does seem to not match behaviour of other implementations in other languages I have seen, would require some rewriting of Headers.ts
357 lines
8.8 KiB
TypeScript
357 lines
8.8 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import { test, assert, assertEquals } from "./test_util.ts";
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const {
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stringifyArgs
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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} = Deno as any;
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// Logic heavily copied from web-platform-tests, make
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// sure pass mostly header basic test
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// ref: https://github.com/web-platform-tests/wpt/blob/7c50c216081d6ea3c9afe553ee7b64534020a1b2/fetch/api/headers/headers-basic.html
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test(function newHeaderTest(): void {
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new Headers();
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new Headers(undefined);
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new Headers({});
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try {
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new Headers(null);
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} catch (e) {
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assertEquals(
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e.message,
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"Failed to construct 'Headers'; The provided value was not valid"
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);
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}
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});
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const headerDict = {
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name1: "value1",
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name2: "value2",
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name3: "value3",
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name4: undefined,
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"Content-Type": "value4"
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};
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const headerSeq = [];
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for (const name in headerDict) {
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headerSeq.push([name, headerDict[name]]);
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}
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test(function newHeaderWithSequence(): void {
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const headers = new Headers(headerSeq);
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for (const name in headerDict) {
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assertEquals(headers.get(name), String(headerDict[name]));
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}
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assertEquals(headers.get("length"), null);
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});
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test(function newHeaderWithRecord(): void {
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const headers = new Headers(headerDict);
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for (const name in headerDict) {
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assertEquals(headers.get(name), String(headerDict[name]));
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}
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});
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test(function newHeaderWithHeadersInstance(): void {
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const headers = new Headers(headerDict);
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const headers2 = new Headers(headers);
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for (const name in headerDict) {
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assertEquals(headers2.get(name), String(headerDict[name]));
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}
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});
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test(function headerAppendSuccess(): void {
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const headers = new Headers();
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for (const name in headerDict) {
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headers.append(name, headerDict[name]);
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assertEquals(headers.get(name), String(headerDict[name]));
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}
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});
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test(function headerSetSuccess(): void {
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const headers = new Headers();
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for (const name in headerDict) {
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headers.set(name, headerDict[name]);
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assertEquals(headers.get(name), String(headerDict[name]));
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}
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});
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test(function headerHasSuccess(): void {
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const headers = new Headers(headerDict);
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for (const name in headerDict) {
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assert(headers.has(name), "headers has name " + name);
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assert(
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!headers.has("nameNotInHeaders"),
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"headers do not have header: nameNotInHeaders"
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);
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}
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});
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test(function headerDeleteSuccess(): void {
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const headers = new Headers(headerDict);
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for (const name in headerDict) {
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assert(headers.has(name), "headers have a header: " + name);
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headers.delete(name);
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assert(!headers.has(name), "headers do not have anymore a header: " + name);
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}
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});
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test(function headerGetSuccess(): void {
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const headers = new Headers(headerDict);
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for (const name in headerDict) {
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assertEquals(headers.get(name), String(headerDict[name]));
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assertEquals(headers.get("nameNotInHeaders"), null);
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}
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});
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test(function headerEntriesSuccess(): void {
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const headers = new Headers(headerDict);
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const iterators = headers.entries();
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for (const it of iterators) {
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const key = it[0];
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const value = it[1];
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assert(headers.has(key));
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assertEquals(value, headers.get(key));
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}
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});
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test(function headerKeysSuccess(): void {
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const headers = new Headers(headerDict);
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const iterators = headers.keys();
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for (const it of iterators) {
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assert(headers.has(it));
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}
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});
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test(function headerValuesSuccess(): void {
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const headers = new Headers(headerDict);
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const iterators = headers.values();
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const entries = headers.entries();
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const values = [];
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for (const pair of entries) {
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values.push(pair[1]);
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}
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for (const it of iterators) {
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assert(values.includes(it));
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}
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});
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const headerEntriesDict = {
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name1: "value1",
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Name2: "value2",
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name: "value3",
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"content-Type": "value4",
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"Content-Typ": "value5",
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"Content-Types": "value6"
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};
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test(function headerForEachSuccess(): void {
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const headers = new Headers(headerEntriesDict);
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const keys = Object.keys(headerEntriesDict);
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keys.forEach(
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(key): void => {
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const value = headerEntriesDict[key];
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const newkey = key.toLowerCase();
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headerEntriesDict[newkey] = value;
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}
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);
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let callNum = 0;
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headers.forEach(
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(value, key, container): void => {
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assertEquals(headers, container);
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assertEquals(value, headerEntriesDict[key]);
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callNum++;
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}
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);
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assertEquals(callNum, keys.length);
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});
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test(function headerSymbolIteratorSuccess(): void {
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assert(Symbol.iterator in Headers.prototype);
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const headers = new Headers(headerEntriesDict);
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for (const header of headers) {
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const key = header[0];
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const value = header[1];
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assert(headers.has(key));
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assertEquals(value, headers.get(key));
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}
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});
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test(function headerTypesAvailable(): void {
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function newHeaders(): Headers {
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return new Headers();
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}
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const headers = newHeaders();
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assert(headers instanceof Headers);
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});
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// Modified from https://github.com/bitinn/node-fetch/blob/7d3293200a91ad52b5ca7962f9d6fd1c04983edb/test/test.js#L2001-L2014
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// Copyright (c) 2016 David Frank. MIT License.
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test(function headerIllegalReject(): void {
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let errorCount = 0;
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try {
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new Headers({ "He y": "ok" });
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} catch (e) {
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errorCount++;
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}
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try {
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new Headers({ "Hé-y": "ok" });
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} catch (e) {
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errorCount++;
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}
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try {
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new Headers({ "He-y": "ăk" });
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} catch (e) {
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errorCount++;
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}
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const headers = new Headers();
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try {
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headers.append("Hé-y", "ok");
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} catch (e) {
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errorCount++;
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}
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try {
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headers.delete("Hé-y");
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} catch (e) {
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errorCount++;
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}
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try {
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headers.get("Hé-y");
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} catch (e) {
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errorCount++;
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}
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try {
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headers.has("Hé-y");
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} catch (e) {
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errorCount++;
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}
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try {
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headers.set("Hé-y", "ok");
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} catch (e) {
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errorCount++;
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}
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try {
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headers.set("", "ok");
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} catch (e) {
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errorCount++;
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}
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assertEquals(errorCount, 9);
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// 'o k' is valid value but invalid name
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new Headers({ "He-y": "o k" });
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});
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// If pair does not contain exactly two items,then throw a TypeError.
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test(function headerParamsShouldThrowTypeError(): void {
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let hasThrown = 0;
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try {
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new Headers(([["1"]] as unknown) as Array<[string, string]>);
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hasThrown = 1;
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} catch (err) {
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if (err instanceof TypeError) {
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hasThrown = 2;
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} else {
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hasThrown = 3;
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}
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}
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assertEquals(hasThrown, 2);
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});
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test(function headerParamsArgumentsCheck(): void {
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const methodRequireOneParam = ["delete", "get", "has", "forEach"];
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const methodRequireTwoParams = ["append", "set"];
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methodRequireOneParam.forEach(
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(method): void => {
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const headers = new Headers();
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let hasThrown = 0;
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let errMsg = "";
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try {
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headers[method]();
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hasThrown = 1;
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} catch (err) {
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errMsg = err.message;
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if (err instanceof TypeError) {
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hasThrown = 2;
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} else {
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hasThrown = 3;
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}
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}
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assertEquals(hasThrown, 2);
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assertEquals(
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errMsg,
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`Headers.${method} requires at least 1 argument, but only 0 present`
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);
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}
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);
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methodRequireTwoParams.forEach(
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(method): void => {
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const headers = new Headers();
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let hasThrown = 0;
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let errMsg = "";
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try {
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headers[method]();
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hasThrown = 1;
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} catch (err) {
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errMsg = err.message;
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if (err instanceof TypeError) {
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hasThrown = 2;
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} else {
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hasThrown = 3;
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}
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}
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assertEquals(hasThrown, 2);
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assertEquals(
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errMsg,
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`Headers.${method} requires at least 2 arguments, but only 0 present`
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);
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hasThrown = 0;
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errMsg = "";
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try {
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headers[method]("foo");
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hasThrown = 1;
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} catch (err) {
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errMsg = err.message;
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if (err instanceof TypeError) {
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hasThrown = 2;
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} else {
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hasThrown = 3;
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}
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}
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assertEquals(hasThrown, 2);
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assertEquals(
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errMsg,
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`Headers.${method} requires at least 2 arguments, but only 1 present`
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);
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}
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);
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});
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test(function toStringShouldBeWebCompatibility(): void {
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const headers = new Headers();
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assertEquals(headers.toString(), "[object Headers]");
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});
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function stringify(...args: unknown[]): string {
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return stringifyArgs(args).replace(/\n$/, "");
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}
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test(function customInspectReturnsCorrectHeadersFormat(): void {
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const blankHeaders = new Headers();
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assertEquals(stringify(blankHeaders), "Headers {}");
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const singleHeader = new Headers([["Content-Type", "application/json"]]);
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assertEquals(
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stringify(singleHeader),
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"Headers { content-type: application/json }"
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);
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const multiParamHeader = new Headers([
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["Content-Type", "application/json"],
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["Content-Length", "1337"]
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]);
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assertEquals(
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stringify(multiParamHeader),
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"Headers { content-type: application/json, content-length: 1337 }"
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);
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});
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