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denoland-deno/js/headers_test.ts
Ryan Dahl 9dfebbc949
Fix eslint warnings (#2151)
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
Co-authored-by: LE GOFF Vincent <g_n_s@hotmail.fr>
2019-04-21 16:40:10 -04:00

331 lines
8 KiB
TypeScript

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { test, assert, assertEquals } from "./test_util.ts";
// 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
test(function newHeaderTest(): void {
new Headers();
new Headers(undefined);
new Headers({});
try {
new Headers(null);
} catch (e) {
assertEquals(
e.message,
"Failed to construct 'Headers'; The provided value was not valid"
);
}
});
const headerDict = {
name1: "value1",
name2: "value2",
name3: "value3",
name4: undefined,
"Content-Type": "value4"
};
const headerSeq = [];
for (const name in headerDict) {
headerSeq.push([name, headerDict[name]]);
}
test(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);
});
test(function newHeaderWithRecord(): void {
const headers = new Headers(headerDict);
for (const name in headerDict) {
assertEquals(headers.get(name), String(headerDict[name]));
}
});
test(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]));
}
});
test(function headerAppendSuccess(): void {
const headers = new Headers();
for (const name in headerDict) {
headers.append(name, headerDict[name]);
assertEquals(headers.get(name), String(headerDict[name]));
}
});
test(function headerSetSuccess(): void {
const headers = new Headers();
for (const name in headerDict) {
headers.set(name, headerDict[name]);
assertEquals(headers.get(name), String(headerDict[name]));
}
});
test(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"
);
}
});
test(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);
}
});
test(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);
}
});
test(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));
}
});
test(function headerKeysSuccess(): void {
const headers = new Headers(headerDict);
const iterators = headers.keys();
for (const it of iterators) {
assert(headers.has(it));
}
});
test(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 = {
name1: "value1",
Name2: "value2",
name: "value3",
"content-Type": "value4",
"Content-Typ": "value5",
"Content-Types": "value6"
};
test(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);
});
test(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));
}
});
test(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.
test(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.
test(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);
});
test(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 {
headers[method]();
hasThrown = 1;
} catch (err) {
errMsg = err.message;
if (err instanceof TypeError) {
hasThrown = 2;
} else {
hasThrown = 3;
}
}
assertEquals(hasThrown, 2);
assertEquals(
errMsg,
`Headers.${method} requires at least 1 argument, but only 0 present`
);
}
);
methodRequireTwoParams.forEach(
(method): void => {
const headers = new Headers();
let hasThrown = 0;
let errMsg = "";
try {
headers[method]();
hasThrown = 1;
} catch (err) {
errMsg = err.message;
if (err instanceof TypeError) {
hasThrown = 2;
} else {
hasThrown = 3;
}
}
assertEquals(hasThrown, 2);
assertEquals(
errMsg,
`Headers.${method} requires at least 2 arguments, but only 0 present`
);
hasThrown = 0;
errMsg = "";
try {
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`
);
}
);
});
test(function toStringShouldBeWebCompatibility(): void {
const headers = new Headers();
assertEquals(headers.toString(), "[object Headers]");
});