Add tests for TextProtoReader.readMIMEHeader()

Original: 36edda18ab

textproto_test.ts

@@ -0,0 +1,84 @@
+// Based on https://github.com/golang/go/blob/891682/src/net/textproto/
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+import { BufReader } from "./bufio.ts";
+import { TextProtoReader } from "./textproto.ts";
+import { stringsReader } from "./buffer.ts";
+import {
+  test,
+  assert,
+  assertEqual
+} from "https://deno.land/x/testing/testing.ts";
+
+function reader(s: string): TextProtoReader {
+  return new TextProtoReader(new BufReader(stringsReader(s)));
+}
+
+test(async function textprotoReader() {
+  let r = reader("line1\nline2\n");
+  let [s, err] = await r.readLine();
+  assertEqual(s, "line1");
+  assert(err == null);
+
+  [s, err] = await r.readLine();
+  assertEqual(s, "line2");
+  assert(err == null);
+
+  [s, err] = await r.readLine();
+  assertEqual(s, "");
+  assert(err == "EOF");
+});
+
+/*
+test(async function textprotoReadMIMEHeader() {
+	let r = reader("my-key: Value 1  \r\nLong-key: Even \n Longer Value\r\nmy-Key: Value 2\r\n\n");
+	let [m, err] = await r.readMIMEHeader();
+
+  console.log("Got headers", m.toString());
+	want := MIMEHeader{
+		"My-Key":   {"Value 1", "Value 2"},
+		"Long-Key": {"Even Longer Value"},
+	}
+	if !reflect.DeepEqual(m, want) || err != nil {
+		t.Fatalf("ReadMIMEHeader: %v, %v; want %v", m, err, want)
+	}
+});
+*/
+
+test(async function textprotoReadMIMEHeaderSingle() {
+  let r = reader("Foo: bar\n\n");
+  let [m, err] = await r.readMIMEHeader();
+  assertEqual(m.get("Foo"), "bar");
+  assert(!err);
+});
+
+// Test that we read slightly-bogus MIME headers seen in the wild,
+// with spaces before colons, and spaces in keys.
+test(async function textprotoReadMIMEHeaderNonCompliant() {
+  // Invalid HTTP response header as sent by an Axis security
+  // camera: (this is handled by IE, Firefox, Chrome, curl, etc.)
+  let r = reader(
+    "Foo: bar\r\n" +
+      "Content-Language: en\r\n" +
+      "SID : 0\r\n" +
+      "Audio Mode : None\r\n" +
+      "Privilege : 127\r\n\r\n"
+  );
+  let [m, err] = await r.readMIMEHeader();
+  console.log(m.toString());
+  assert(!err);
+  /*
+	let want = MIMEHeader{
+		"Foo":              {"bar"},
+		"Content-Language": {"en"},
+		"Sid":              {"0"},
+		"Audio Mode":       {"None"},
+		"Privilege":        {"127"},
+	}
+	if !reflect.DeepEqual(m, want) || err != nil {
+		t.Fatalf("ReadMIMEHeader =\n%v, %v; want:\n%v", m, err, want)
+	}
+  */
+});