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-rw-r--r--cli/js/tests/headers_test.ts355
1 files changed, 355 insertions, 0 deletions
diff --git a/cli/js/tests/headers_test.ts b/cli/js/tests/headers_test.ts
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index 000000000..fcb5385a5
--- /dev/null
+++ b/cli/js/tests/headers_test.ts
@@ -0,0 +1,355 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+import { unitTest, assert, assertEquals } from "./test_util.ts";
+const {
+ stringifyArgs
+ // @ts-ignore TypeScript (as of 3.7) does not support indexing namespaces by symbol
+} = Deno[Deno.symbols.internal];
+
+// Logic heavily copied from web-platform-tests, make
+// sure pass mostly header basic test
+// ref: https://github.com/web-platform-tests/wpt/blob/7c50c216081d6ea3c9afe553ee7b64534020a1b2/fetch/api/headers/headers-basic.html
+unitTest(function newHeaderTest(): void {
+ new Headers();
+ new Headers(undefined);
+ new Headers({});
+ try {
+ // @ts-ignore
+ new Headers(null);
+ } catch (e) {
+ assertEquals(
+ e.message,
+ "Failed to construct 'Headers'; The provided value was not valid"
+ );
+ }
+});
+
+const headerDict: Record<string, string> = {
+ name1: "value1",
+ name2: "value2",
+ name3: "value3",
+ // @ts-ignore
+ name4: undefined,
+ "Content-Type": "value4"
+};
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+const headerSeq: any[] = [];
+for (const name in headerDict) {
+ headerSeq.push([name, headerDict[name]]);
+}
+
+unitTest(function newHeaderWithSequence(): void {
+ const headers = new Headers(headerSeq);
+ for (const name in headerDict) {
+ assertEquals(headers.get(name), String(headerDict[name]));
+ }
+ assertEquals(headers.get("length"), null);
+});
+
+unitTest(function newHeaderWithRecord(): void {
+ const headers = new Headers(headerDict);
+ for (const name in headerDict) {
+ assertEquals(headers.get(name), String(headerDict[name]));
+ }
+});
+
+unitTest(function newHeaderWithHeadersInstance(): void {
+ const headers = new Headers(headerDict);
+ const headers2 = new Headers(headers);
+ for (const name in headerDict) {
+ assertEquals(headers2.get(name), String(headerDict[name]));
+ }
+});
+
+unitTest(function headerAppendSuccess(): void {
+ const headers = new Headers();
+ for (const name in headerDict) {
+ headers.append(name, headerDict[name]);
+ assertEquals(headers.get(name), String(headerDict[name]));
+ }
+});
+
+unitTest(function headerSetSuccess(): void {
+ const headers = new Headers();
+ for (const name in headerDict) {
+ headers.set(name, headerDict[name]);
+ assertEquals(headers.get(name), String(headerDict[name]));
+ }
+});
+
+unitTest(function headerHasSuccess(): void {
+ const headers = new Headers(headerDict);
+ for (const name in headerDict) {
+ assert(headers.has(name), "headers has name " + name);
+ assert(
+ !headers.has("nameNotInHeaders"),
+ "headers do not have header: nameNotInHeaders"
+ );
+ }
+});
+
+unitTest(function headerDeleteSuccess(): void {
+ const headers = new Headers(headerDict);
+ for (const name in headerDict) {
+ assert(headers.has(name), "headers have a header: " + name);
+ headers.delete(name);
+ assert(!headers.has(name), "headers do not have anymore a header: " + name);
+ }
+});
+
+unitTest(function headerGetSuccess(): void {
+ const headers = new Headers(headerDict);
+ for (const name in headerDict) {
+ assertEquals(headers.get(name), String(headerDict[name]));
+ assertEquals(headers.get("nameNotInHeaders"), null);
+ }
+});
+
+unitTest(function headerEntriesSuccess(): void {
+ const headers = new Headers(headerDict);
+ const iterators = headers.entries();
+ for (const it of iterators) {
+ const key = it[0];
+ const value = it[1];
+ assert(headers.has(key));
+ assertEquals(value, headers.get(key));
+ }
+});
+
+unitTest(function headerKeysSuccess(): void {
+ const headers = new Headers(headerDict);
+ const iterators = headers.keys();
+ for (const it of iterators) {
+ assert(headers.has(it));
+ }
+});
+
+unitTest(function headerValuesSuccess(): void {
+ const headers = new Headers(headerDict);
+ const iterators = headers.values();
+ const entries = headers.entries();
+ const values = [];
+ for (const pair of entries) {
+ values.push(pair[1]);
+ }
+ for (const it of iterators) {
+ assert(values.includes(it));
+ }
+});
+
+const headerEntriesDict: Record<string, string> = {
+ name1: "value1",
+ Name2: "value2",
+ name: "value3",
+ "content-Type": "value4",
+ "Content-Typ": "value5",
+ "Content-Types": "value6"
+};
+
+unitTest(function headerForEachSuccess(): void {
+ const headers = new Headers(headerEntriesDict);
+ const keys = Object.keys(headerEntriesDict);
+ keys.forEach((key): void => {
+ const value = headerEntriesDict[key];
+ const newkey = key.toLowerCase();
+ headerEntriesDict[newkey] = value;
+ });
+ let callNum = 0;
+ headers.forEach((value, key, container): void => {
+ assertEquals(headers, container);
+ assertEquals(value, headerEntriesDict[key]);
+ callNum++;
+ });
+ assertEquals(callNum, keys.length);
+});
+
+unitTest(function headerSymbolIteratorSuccess(): void {
+ assert(Symbol.iterator in Headers.prototype);
+ const headers = new Headers(headerEntriesDict);
+ for (const header of headers) {
+ const key = header[0];
+ const value = header[1];
+ assert(headers.has(key));
+ assertEquals(value, headers.get(key));
+ }
+});
+
+unitTest(function headerTypesAvailable(): void {
+ function newHeaders(): Headers {
+ return new Headers();
+ }
+ const headers = newHeaders();
+ assert(headers instanceof Headers);
+});
+
+// Modified from https://github.com/bitinn/node-fetch/blob/7d3293200a91ad52b5ca7962f9d6fd1c04983edb/test/test.js#L2001-L2014
+// Copyright (c) 2016 David Frank. MIT License.
+unitTest(function headerIllegalReject(): void {
+ let errorCount = 0;
+ try {
+ new Headers({ "He y": "ok" });
+ } catch (e) {
+ errorCount++;
+ }
+ try {
+ new Headers({ "Hé-y": "ok" });
+ } catch (e) {
+ errorCount++;
+ }
+ try {
+ new Headers({ "He-y": "ăk" });
+ } catch (e) {
+ errorCount++;
+ }
+ const headers = new Headers();
+ try {
+ headers.append("Hé-y", "ok");
+ } catch (e) {
+ errorCount++;
+ }
+ try {
+ headers.delete("Hé-y");
+ } catch (e) {
+ errorCount++;
+ }
+ try {
+ headers.get("Hé-y");
+ } catch (e) {
+ errorCount++;
+ }
+ try {
+ headers.has("Hé-y");
+ } catch (e) {
+ errorCount++;
+ }
+ try {
+ headers.set("Hé-y", "ok");
+ } catch (e) {
+ errorCount++;
+ }
+ try {
+ headers.set("", "ok");
+ } catch (e) {
+ errorCount++;
+ }
+ assertEquals(errorCount, 9);
+ // 'o k' is valid value but invalid name
+ new Headers({ "He-y": "o k" });
+});
+
+// If pair does not contain exactly two items,then throw a TypeError.
+unitTest(function headerParamsShouldThrowTypeError(): void {
+ let hasThrown = 0;
+
+ try {
+ new Headers(([["1"]] as unknown) as Array<[string, string]>);
+ hasThrown = 1;
+ } catch (err) {
+ if (err instanceof TypeError) {
+ hasThrown = 2;
+ } else {
+ hasThrown = 3;
+ }
+ }
+
+ assertEquals(hasThrown, 2);
+});
+
+unitTest(function headerParamsArgumentsCheck(): void {
+ const methodRequireOneParam = ["delete", "get", "has", "forEach"];
+
+ const methodRequireTwoParams = ["append", "set"];
+
+ methodRequireOneParam.forEach((method): void => {
+ const headers = new Headers();
+ let hasThrown = 0;
+ let errMsg = "";
+ try {
+ // @ts-ignore
+ headers[method]();
+ hasThrown = 1;
+ } catch (err) {
+ errMsg = err.message;
+ if (err instanceof TypeError) {
+ hasThrown = 2;
+ } else {
+ hasThrown = 3;
+ }
+ }
+ assertEquals(hasThrown, 2);
+ assertEquals(
+ errMsg,
+ `Headers.${method} requires at least 1 argument, but only 0 present`
+ );
+ });
+
+ methodRequireTwoParams.forEach((method): void => {
+ const headers = new Headers();
+ let hasThrown = 0;
+ let errMsg = "";
+
+ try {
+ // @ts-ignore
+ headers[method]();
+ hasThrown = 1;
+ } catch (err) {
+ errMsg = err.message;
+ if (err instanceof TypeError) {
+ hasThrown = 2;
+ } else {
+ hasThrown = 3;
+ }
+ }
+ assertEquals(hasThrown, 2);
+ assertEquals(
+ errMsg,
+ `Headers.${method} requires at least 2 arguments, but only 0 present`
+ );
+
+ hasThrown = 0;
+ errMsg = "";
+ try {
+ // @ts-ignore
+ headers[method]("foo");
+ hasThrown = 1;
+ } catch (err) {
+ errMsg = err.message;
+ if (err instanceof TypeError) {
+ hasThrown = 2;
+ } else {
+ hasThrown = 3;
+ }
+ }
+ assertEquals(hasThrown, 2);
+ assertEquals(
+ errMsg,
+ `Headers.${method} requires at least 2 arguments, but only 1 present`
+ );
+ });
+});
+
+unitTest(function toStringShouldBeWebCompatibility(): void {
+ const headers = new Headers();
+ assertEquals(headers.toString(), "[object Headers]");
+});
+
+function stringify(...args: unknown[]): string {
+ return stringifyArgs(args).replace(/\n$/, "");
+}
+
+unitTest(function customInspectReturnsCorrectHeadersFormat(): void {
+ const blankHeaders = new Headers();
+ assertEquals(stringify(blankHeaders), "Headers {}");
+ const singleHeader = new Headers([["Content-Type", "application/json"]]);
+ assertEquals(
+ stringify(singleHeader),
+ "Headers { content-type: application/json }"
+ );
+ const multiParamHeader = new Headers([
+ ["Content-Type", "application/json"],
+ ["Content-Length", "1337"]
+ ]);
+ assertEquals(
+ stringify(multiParamHeader),
+ "Headers { content-type: application/json, content-length: 1337 }"
+ );
+});
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