mirror of
https://github.com/denoland/deno.git
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475 lines
13 KiB
TypeScript
475 lines
13 KiB
TypeScript
import {
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assertThrowsAsync,
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assertEquals,
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assert,
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assertNotEquals,
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} from "../testing/asserts.ts";
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import {
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bodyReader,
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chunkedBodyReader,
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writeTrailers,
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readTrailers,
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parseHTTPVersion,
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readRequest,
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writeResponse,
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} from "./_io.ts";
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import { encode, decode } from "../encoding/utf8.ts";
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import { BufReader, ReadLineResult } from "../io/bufio.ts";
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import { ServerRequest, Response } from "./server.ts";
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import { StringReader } from "../io/readers.ts";
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import { mockConn } from "./_mock_conn.ts";
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const { Buffer, test, readAll } = Deno;
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test("bodyReader", async () => {
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const text = "Hello, Deno";
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const r = bodyReader(text.length, new BufReader(new Buffer(encode(text))));
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assertEquals(decode(await Deno.readAll(r)), text);
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});
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function chunkify(n: number, char: string): string {
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const v = Array.from({ length: n })
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.map(() => `${char}`)
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.join("");
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return `${n.toString(16)}\r\n${v}\r\n`;
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}
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test("chunkedBodyReader", async () => {
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const body = [
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chunkify(3, "a"),
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chunkify(5, "b"),
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chunkify(11, "c"),
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chunkify(22, "d"),
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chunkify(0, ""),
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].join("");
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const h = new Headers();
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const r = chunkedBodyReader(h, new BufReader(new Buffer(encode(body))));
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let result: number | null;
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// Use small buffer as some chunks exceed buffer size
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const buf = new Uint8Array(5);
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const dest = new Buffer();
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while ((result = await r.read(buf)) !== null) {
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const len = Math.min(buf.byteLength, result);
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await dest.write(buf.subarray(0, len));
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}
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const exp = "aaabbbbbcccccccccccdddddddddddddddddddddd";
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assertEquals(new TextDecoder().decode(dest.bytes()), exp);
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});
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test("chunkedBodyReader with trailers", async () => {
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const body = [
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chunkify(3, "a"),
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chunkify(5, "b"),
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chunkify(11, "c"),
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chunkify(22, "d"),
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chunkify(0, ""),
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"deno: land\r\n",
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"node: js\r\n",
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"\r\n",
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].join("");
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const h = new Headers({
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trailer: "deno,node",
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});
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const r = chunkedBodyReader(h, new BufReader(new Buffer(encode(body))));
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assertEquals(h.has("trailer"), true);
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assertEquals(h.has("deno"), false);
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assertEquals(h.has("node"), false);
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const act = decode(await Deno.readAll(r));
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const exp = "aaabbbbbcccccccccccdddddddddddddddddddddd";
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assertEquals(act, exp);
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assertEquals(h.has("trailer"), false);
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assertEquals(h.get("deno"), "land");
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assertEquals(h.get("node"), "js");
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});
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test("readTrailers", async () => {
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const h = new Headers({
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trailer: "Deno, Node",
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});
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const trailer = ["deno: land", "node: js", "", ""].join("\r\n");
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await readTrailers(h, new BufReader(new Buffer(encode(trailer))));
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assertEquals(h.has("trailer"), false);
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assertEquals(h.get("deno"), "land");
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assertEquals(h.get("node"), "js");
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});
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test("readTrailer should throw if undeclared headers found in trailer", async () => {
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const patterns = [
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["deno,node", "deno: land\r\nnode: js\r\ngo: lang\r\n\r\n"],
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["deno", "node: js\r\n\r\n"],
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["deno", "node:js\r\ngo: lang\r\n\r\n"],
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];
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for (const [header, trailer] of patterns) {
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const h = new Headers({
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trailer: header,
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});
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await assertThrowsAsync(
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async () => {
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await readTrailers(h, new BufReader(new Buffer(encode(trailer))));
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},
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Deno.errors.InvalidData,
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`Undeclared trailers: [ "`
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);
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}
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});
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test("readTrailer should throw if trailer contains prohibited fields", async () => {
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for (const f of ["Content-Length", "Trailer", "Transfer-Encoding"]) {
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const h = new Headers({
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trailer: f,
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});
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await assertThrowsAsync(
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async () => {
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await readTrailers(h, new BufReader(new Buffer()));
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},
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Deno.errors.InvalidData,
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`Prohibited trailer names: [ "`
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);
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}
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});
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test("writeTrailer", async () => {
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const w = new Buffer();
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await writeTrailers(
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w,
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new Headers({ "transfer-encoding": "chunked", trailer: "deno,node" }),
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new Headers({ deno: "land", node: "js" })
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);
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assertEquals(
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new TextDecoder().decode(w.bytes()),
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"deno: land\r\nnode: js\r\n\r\n"
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);
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});
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test("writeTrailer should throw", async () => {
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const w = new Buffer();
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await assertThrowsAsync(
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() => {
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return writeTrailers(w, new Headers(), new Headers());
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},
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TypeError,
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"Missing trailer header."
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);
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await assertThrowsAsync(
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() => {
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return writeTrailers(w, new Headers({ trailer: "deno" }), new Headers());
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},
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TypeError,
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`Trailers are only allowed for "transfer-encoding: chunked", got "transfer-encoding: null".`
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);
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for (const f of ["content-length", "trailer", "transfer-encoding"]) {
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await assertThrowsAsync(
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() => {
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return writeTrailers(
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w,
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new Headers({ "transfer-encoding": "chunked", trailer: f }),
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new Headers({ [f]: "1" })
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);
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},
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TypeError,
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`Prohibited trailer names: [ "`
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);
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}
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await assertThrowsAsync(
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() => {
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return writeTrailers(
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w,
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new Headers({ "transfer-encoding": "chunked", trailer: "deno" }),
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new Headers({ node: "js" })
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);
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},
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TypeError,
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`Undeclared trailers: [ "node" ].`
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);
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});
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// Ported from https://github.com/golang/go/blob/f5c43b9/src/net/http/request_test.go#L535-L565
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test("parseHttpVersion", (): void => {
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const testCases = [
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{ in: "HTTP/0.9", want: [0, 9] },
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{ in: "HTTP/1.0", want: [1, 0] },
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{ in: "HTTP/1.1", want: [1, 1] },
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{ in: "HTTP/3.14", want: [3, 14] },
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{ in: "HTTP", err: true },
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{ in: "HTTP/one.one", err: true },
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{ in: "HTTP/1.1/", err: true },
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{ in: "HTTP/-1.0", err: true },
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{ in: "HTTP/0.-1", err: true },
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{ in: "HTTP/", err: true },
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{ in: "HTTP/1,0", err: true },
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{ in: "HTTP/1.1000001", err: true },
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];
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for (const t of testCases) {
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let r, err;
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try {
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r = parseHTTPVersion(t.in);
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} catch (e) {
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err = e;
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}
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if (t.err) {
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assert(err instanceof Error, t.in);
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} else {
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assertEquals(err, undefined);
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assertEquals(r, t.want, t.in);
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}
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}
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});
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test("writeUint8ArrayResponse", async function (): Promise<void> {
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const shortText = "Hello";
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const body = new TextEncoder().encode(shortText);
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const res: Response = { body };
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const buf = new Deno.Buffer();
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await writeResponse(buf, res);
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const decoder = new TextDecoder("utf-8");
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const reader = new BufReader(buf);
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let r: ReadLineResult | null = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), "HTTP/1.1 200 OK");
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), `content-length: ${shortText.length}`);
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(r.line.byteLength, 0);
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), shortText);
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assertEquals(r.more, false);
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const eof = await reader.readLine();
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assertEquals(eof, null);
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});
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test("writeStringResponse", async function (): Promise<void> {
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const body = "Hello";
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const res: Response = { body };
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const buf = new Deno.Buffer();
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await writeResponse(buf, res);
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const decoder = new TextDecoder("utf-8");
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const reader = new BufReader(buf);
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let r: ReadLineResult | null = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), "HTTP/1.1 200 OK");
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), `content-length: ${body.length}`);
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(r.line.byteLength, 0);
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), body);
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assertEquals(r.more, false);
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const eof = await reader.readLine();
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assertEquals(eof, null);
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});
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test("writeStringReaderResponse", async function (): Promise<void> {
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const shortText = "Hello";
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const body = new StringReader(shortText);
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const res: Response = { body };
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const buf = new Deno.Buffer();
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await writeResponse(buf, res);
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const decoder = new TextDecoder("utf-8");
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const reader = new BufReader(buf);
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let r: ReadLineResult | null = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), "HTTP/1.1 200 OK");
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), "transfer-encoding: chunked");
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(r.line.byteLength, 0);
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), shortText.length.toString());
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), shortText);
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assertEquals(r.more, false);
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r = await reader.readLine();
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assert(r !== null);
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assertEquals(decoder.decode(r.line), "0");
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assertEquals(r.more, false);
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});
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test("writeResponse with trailer", async () => {
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const w = new Buffer();
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const body = new StringReader("Hello");
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await writeResponse(w, {
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status: 200,
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headers: new Headers({
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"transfer-encoding": "chunked",
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trailer: "deno,node",
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}),
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body,
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trailers: () => new Headers({ deno: "land", node: "js" }),
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});
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const ret = new TextDecoder().decode(w.bytes());
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const exp = [
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"HTTP/1.1 200 OK",
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"transfer-encoding: chunked",
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"trailer: deno,node",
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"",
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"5",
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"Hello",
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"0",
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"",
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"deno: land",
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"node: js",
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"",
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"",
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].join("\r\n");
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assertEquals(ret, exp);
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});
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test("writeResponseShouldNotModifyOriginHeaders", async () => {
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const headers = new Headers();
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const buf = new Deno.Buffer();
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await writeResponse(buf, { body: "foo", headers });
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assert(decode(await readAll(buf)).includes("content-length: 3"));
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await writeResponse(buf, { body: "hello", headers });
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assert(decode(await readAll(buf)).includes("content-length: 5"));
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});
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test("readRequestError", async function (): Promise<void> {
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const input = `GET / HTTP/1.1
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malformedHeader
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`;
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const reader = new BufReader(new StringReader(input));
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let err;
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try {
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await readRequest(mockConn(), reader);
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} catch (e) {
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err = e;
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}
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assert(err instanceof Error);
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assertEquals(err.message, "malformed MIME header line: malformedHeader");
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});
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// Ported from Go
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// https://github.com/golang/go/blob/go1.12.5/src/net/http/request_test.go#L377-L443
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// TODO(zekth) fix tests
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test("testReadRequestError", async function (): Promise<void> {
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const testCases = [
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{
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in: "GET / HTTP/1.1\r\nheader: foo\r\n\r\n",
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headers: [{ key: "header", value: "foo" }],
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},
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{
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in: "GET / HTTP/1.1\r\nheader:foo\r\n",
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err: Deno.errors.UnexpectedEof,
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},
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{ in: "", eof: true },
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{
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in: "HEAD / HTTP/1.1\r\nContent-Length:4\r\n\r\n",
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err: "http: method cannot contain a Content-Length",
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},
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{
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in: "HEAD / HTTP/1.1\r\n\r\n",
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headers: [],
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},
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// Multiple Content-Length values should either be
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// deduplicated if same or reject otherwise
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// See Issue 16490.
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{
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in:
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"POST / HTTP/1.1\r\nContent-Length: 10\r\nContent-Length: 0\r\n\r\n" +
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"Gopher hey\r\n",
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err: "cannot contain multiple Content-Length headers",
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},
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{
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in:
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"POST / HTTP/1.1\r\nContent-Length: 10\r\nContent-Length: 6\r\n\r\n" +
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"Gopher\r\n",
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err: "cannot contain multiple Content-Length headers",
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},
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{
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in:
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"PUT / HTTP/1.1\r\nContent-Length: 6 \r\nContent-Length: 6\r\n" +
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"Content-Length:6\r\n\r\nGopher\r\n",
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headers: [{ key: "Content-Length", value: "6" }],
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},
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{
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in: "PUT / HTTP/1.1\r\nContent-Length: 1\r\nContent-Length: 6 \r\n\r\n",
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err: "cannot contain multiple Content-Length headers",
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},
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// Setting an empty header is swallowed by textproto
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// see: readMIMEHeader()
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// {
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// in: "POST / HTTP/1.1\r\nContent-Length:\r\nContent-Length: 3\r\n\r\n",
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// err: "cannot contain multiple Content-Length headers"
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// },
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{
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in: "HEAD / HTTP/1.1\r\nContent-Length:0\r\nContent-Length: 0\r\n\r\n",
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headers: [{ key: "Content-Length", value: "0" }],
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},
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{
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in:
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"POST / HTTP/1.1\r\nContent-Length:0\r\ntransfer-encoding: " +
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"chunked\r\n\r\n",
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headers: [],
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err: "http: Transfer-Encoding and Content-Length cannot be send together",
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},
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];
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for (const test of testCases) {
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const reader = new BufReader(new StringReader(test.in));
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let err;
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let req: ServerRequest | null = null;
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try {
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req = await readRequest(mockConn(), reader);
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} catch (e) {
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err = e;
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}
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if (test.eof) {
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assertEquals(req, null);
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} else if (typeof test.err === "string") {
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assertEquals(err.message, test.err);
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} else if (test.err) {
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assert(err instanceof (test.err as typeof Deno.errors.UnexpectedEof));
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} else {
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assert(req instanceof ServerRequest);
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assert(test.headers);
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assertEquals(err, undefined);
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assertNotEquals(req, null);
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for (const h of test.headers) {
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assertEquals(req.headers.get(h.key), h.value);
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}
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}
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}
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});
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