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textproto: fix invalid header error and move tests (#369)
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a9c4141723
commit
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3 changed files with 175 additions and 85 deletions
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@ -119,7 +119,11 @@ export class TextProtoReader {
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}
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let value = str(kv.subarray(i));
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m.append(key, value);
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// In case of invalid header we swallow the error
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// example: "Audio Mode" => invalid due to space in the key
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try {
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m.append(key, value);
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} catch {}
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if (err != null) {
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throw err;
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167
textproto/reader_test.ts
Normal file
167
textproto/reader_test.ts
Normal file
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@ -0,0 +1,167 @@
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// Based on https://github.com/golang/go/blob/master/src/net/textproto/reader_test.go
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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import { BufReader } from "../io/bufio.ts";
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import { TextProtoReader, ProtocolError } from "./mod.ts";
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import { stringsReader } from "../io/util.ts";
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import { assert, assertEquals, assertThrows } from "../testing/asserts.ts";
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import { test } from "../testing/mod.ts";
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function reader(s: string): TextProtoReader {
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return new TextProtoReader(new BufReader(stringsReader(s)));
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}
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// test({
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// name: "[textproto] Reader : DotBytes",
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// async fn(): Promise<void> {
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// const input =
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// "dotlines\r\n.foo\r\n..bar\n...baz\nquux\r\n\r\n.\r\nanot.her\r\n";
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// }
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// });
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test(async function textprotoReadEmpty(): Promise<void> {
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let r = reader("");
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let [, err] = await r.readMIMEHeader();
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// Should not crash!
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assertEquals(err, "EOF");
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});
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test(async function textprotoReader(): Promise<void> {
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let r = reader("line1\nline2\n");
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let [s, err] = await r.readLine();
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assertEquals(s, "line1");
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assert(err == null);
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[s, err] = await r.readLine();
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assertEquals(s, "line2");
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assert(err == null);
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[s, err] = await r.readLine();
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assertEquals(s, "");
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assert(err == "EOF");
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});
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test({
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name: "[textproto] Reader : MIME Header",
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async fn(): Promise<void> {
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const input =
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"my-key: Value 1 \r\nLong-key: Even Longer Value\r\nmy-Key: Value 2\r\n\n";
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const r = reader(input);
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const [m, err] = await r.readMIMEHeader();
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assertEquals(m.get("My-Key"), "Value 1, Value 2");
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assertEquals(m.get("Long-key"), "Even Longer Value");
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assert(!err);
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}
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});
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test({
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name: "[textproto] Reader : MIME Header Single",
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async fn(): Promise<void> {
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const input = "Foo: bar\n\n";
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const r = reader(input);
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let [m, err] = await r.readMIMEHeader();
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assertEquals(m.get("Foo"), "bar");
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assert(!err);
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}
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});
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test({
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name: "[textproto] Reader : MIME Header No Key",
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async fn(): Promise<void> {
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const input = ": bar\ntest-1: 1\n\n";
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const r = reader(input);
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let [m, err] = await r.readMIMEHeader();
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assertEquals(m.get("Test-1"), "1");
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assert(!err);
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}
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});
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test({
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name: "[textproto] Reader : Large MIME Header",
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async fn(): Promise<void> {
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const data = [];
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// Go test is 16*1024. But seems it can't handle more
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for (let i = 0; i < 1024; i++) {
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data.push("x");
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}
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const sdata = data.join("");
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const r = reader(`Cookie: ${sdata}\r\n`);
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let [m] = await r.readMIMEHeader();
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assertEquals(m.get("Cookie"), sdata);
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// TODO re-enable, here err === "EOF" is has to be null
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// assert(!err);
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}
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});
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// Test that we read slightly-bogus MIME headers seen in the wild,
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// with spaces before colons, and spaces in keys.
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test({
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name: "[textproto] Reader : MIME Header Non compliant",
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async fn(): Promise<void> {
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const input =
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"Foo: bar\r\n" +
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"Content-Language: en\r\n" +
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"SID : 0\r\n" +
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"Audio Mode : None\r\n" +
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"Privilege : 127\r\n\r\n";
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const r = reader(input);
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let [m, err] = await r.readMIMEHeader();
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assertEquals(m.get("Foo"), "bar");
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assertEquals(m.get("Content-Language"), "en");
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assertEquals(m.get("SID"), "0");
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assertEquals(m.get("Privilege"), "127");
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assert(!err);
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// Not a legal http header
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assertThrows(
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(): void => {
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assertEquals(m.get("Audio Mode"), "None");
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}
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);
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}
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});
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test({
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name: "[textproto] Reader : MIME Header Malformed",
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async fn(): Promise<void> {
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const input = [
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"No colon first line\r\nFoo: foo\r\n\r\n",
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" No colon first line with leading space\r\nFoo: foo\r\n\r\n",
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"\tNo colon first line with leading tab\r\nFoo: foo\r\n\r\n",
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" First: line with leading space\r\nFoo: foo\r\n\r\n",
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"\tFirst: line with leading tab\r\nFoo: foo\r\n\r\n",
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"Foo: foo\r\nNo colon second line\r\n\r\n"
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];
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const r = reader(input.join(""));
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let err;
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try {
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await r.readMIMEHeader();
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} catch (e) {
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err = e;
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}
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assert(err instanceof ProtocolError);
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}
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});
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test({
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name: "[textproto] Reader : MIME Header Trim Continued",
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async fn(): Promise<void> {
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const input =
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"" + // for code formatting purpose.
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"a:\n" +
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" 0 \r\n" +
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"b:1 \t\r\n" +
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"c: 2\r\n" +
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" 3\t\n" +
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" \t 4 \r\n\n";
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const r = reader(input);
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let err;
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try {
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await r.readMIMEHeader();
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} catch (e) {
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err = e;
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}
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assert(err instanceof ProtocolError);
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}
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});
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@ -3,84 +3,10 @@
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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import { BufReader } from "../io/bufio.ts";
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import { TextProtoReader, append } from "./mod.ts";
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import { stringsReader } from "../io/util.ts";
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import { assert, assertEquals } from "../testing/asserts.ts";
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import { append } from "./mod.ts";
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import { assertEquals } from "../testing/asserts.ts";
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import { test } from "../testing/mod.ts";
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function reader(s: string): TextProtoReader {
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return new TextProtoReader(new BufReader(stringsReader(s)));
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}
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test(async function textprotoReader(): Promise<void> {
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let r = reader("line1\nline2\n");
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let [s, err] = await r.readLine();
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assertEquals(s, "line1");
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assert(err == null);
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[s, err] = await r.readLine();
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assertEquals(s, "line2");
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assert(err == null);
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[s, err] = await r.readLine();
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assertEquals(s, "");
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assert(err == "EOF");
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});
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/*
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test(async function textprotoReadMIMEHeader() {
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let r = reader("my-key: Value 1 \r\nLong-key: Even \n Longer Value\r\nmy-Key: Value 2\r\n\n");
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let [m, err] = await r.readMIMEHeader();
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console.log("Got headers", m.toString());
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want := MIMEHeader{
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"My-Key": {"Value 1", "Value 2"},
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"Long-Key": {"Even Longer Value"},
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}
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if !reflect.DeepEqual(m, want) || err != nil {
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t.Fatalf("ReadMIMEHeader: %v, %v; want %v", m, err, want)
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}
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});
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*/
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test(async function textprotoReadMIMEHeaderSingle(): Promise<void> {
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let r = reader("Foo: bar\n\n");
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let [m, err] = await r.readMIMEHeader();
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assertEquals(m.get("Foo"), "bar");
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assert(!err);
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});
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// Test that we read slightly-bogus MIME headers seen in the wild,
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// with spaces before colons, and spaces in keys.
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test(async function textprotoReadMIMEHeaderNonCompliant(): Promise<void> {
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// Invalid HTTP response header as sent by an Axis security
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// camera: (this is handled by IE, Firefox, Chrome, curl, etc.)
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let r = reader(
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"Foo: bar\r\n" +
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"Content-Language: en\r\n" +
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"SID : 0\r\n" +
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// TODO Re-enable Currently fails with:
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// "TypeError: audio mode is not a legal HTTP header name"
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// "Audio Mode : None\r\n" +
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"Privilege : 127\r\n\r\n"
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);
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let [m, err] = await r.readMIMEHeader();
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console.log(m.toString());
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assert(!err);
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/*
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let want = MIMEHeader{
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"Foo": {"bar"},
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"Content-Language": {"en"},
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"Sid": {"0"},
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"Audio Mode": {"None"},
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"Privilege": {"127"},
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}
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if !reflect.DeepEqual(m, want) || err != nil {
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t.Fatalf("ReadMIMEHeader =\n%v, %v; want:\n%v", m, err, want)
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}
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*/
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});
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import "./reader_test.ts";
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test(async function textprotoAppend(): Promise<void> {
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const enc = new TextEncoder();
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@ -90,10 +16,3 @@ test(async function textprotoAppend(): Promise<void> {
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const joined = append(u1, u2);
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assertEquals(dec.decode(joined), "Hello World");
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});
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test(async function textprotoReadEmpty(): Promise<void> {
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let r = reader("");
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let [, err] = await r.readMIMEHeader();
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// Should not crash!
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assertEquals(err, "EOF");
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});
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