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355 lines
9 KiB
TypeScript
355 lines
9 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import { unitTest, assert, assertEquals } from "./test_util.ts";
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const {
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stringifyArgs,
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// @ts-ignore TypeScript (as of 3.7) does not support indexing namespaces by symbol
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} = Deno[Deno.symbols.internal];
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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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unitTest(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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// @ts-ignore
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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: Record<string, string> = {
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name1: "value1",
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name2: "value2",
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name3: "value3",
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// @ts-ignore
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name4: undefined,
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"Content-Type": "value4",
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};
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const headerSeq: any[] = [];
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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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unitTest(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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unitTest(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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unitTest(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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unitTest(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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unitTest(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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unitTest(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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unitTest(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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unitTest(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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unitTest(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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unitTest(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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unitTest(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: Record<string, string> = {
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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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unitTest(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((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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let callNum = 0;
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headers.forEach((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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assertEquals(callNum, keys.length);
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});
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unitTest(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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unitTest(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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unitTest(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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unitTest(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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unitTest(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((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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// @ts-ignore
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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.${method} requires at least 1 argument, but only 0 present`
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);
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});
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methodRequireTwoParams.forEach((method): void => {
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const headers = new Headers();
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let hasThrown = 0;
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let errMsg = "";
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try {
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// @ts-ignore
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headers[method]();
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hasThrown = 1;
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} catch (err) {
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errMsg = err.message;
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if (err instanceof TypeError) {
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hasThrown = 2;
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} else {
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hasThrown = 3;
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}
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}
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assertEquals(hasThrown, 2);
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assertEquals(
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errMsg,
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`Headers.${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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// @ts-ignore
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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.${method} requires at least 2 arguments, but only 1 present`
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);
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});
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});
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unitTest(function toStringShouldBeWebCompatibility(): void {
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const headers = new Headers();
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assertEquals(headers.toString(), "[object Headers]");
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});
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function stringify(...args: unknown[]): string {
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return stringifyArgs(args).replace(/\n$/, "");
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}
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unitTest(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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