TestHttp3WebTransportSession.cpp

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "Http3WebTransportSession.h"

#include "gtest/gtest.h"

#include "nsTArray.h"

using namespace mozilla;

using namespace mozilla::net;

static nsTArray<uint8_t> ToBytes(const char* aStr) {

  nsTArray<uint8_t> bytes;

  bytes.AppendElements(reinterpret_cast<const uint8_t*>(aStr), strlen(aStr));

  return bytes;

TEST(TestHttp3WebTransportSession, ParsesNormalHeaders)

  nsTArray<uint8_t> flat =

      ToBytes("HTTP/3 200\r\nfoo: bar\r\nwt-available-protocols: a\r\n\r\n");

  nsTArray<nsCString> names, values;

  ParseFlatWebTransportResponseHeaders(flat, names, values);

  ASSERT_EQ(names.Length(), 2u);

  EXPECT_TRUE(names[0].EqualsLiteral("foo"));

  EXPECT_TRUE(values[0].EqualsLiteral("bar"));

  EXPECT_TRUE(names[1].EqualsLiteral("wt-available-protocols"));

  EXPECT_TRUE(values[1].EqualsLiteral("a"));

TEST(TestHttp3WebTransportSession, StripsWtProtocolHeader)

  // https://w3c.github.io/webtransport/#process-a-webtransport-fetch-response

  // step 6 requires deleting wt-protocol before exposing responseHeaders.

  nsTArray<uint8_t> flat =

      ToBytes("HTTP/3 200\r\nwt-protocol: chat\r\nfoo: bar\r\n\r\n");

  nsTArray<nsCString> names, values;

  ParseFlatWebTransportResponseHeaders(flat, names, values);

  ASSERT_EQ(names.Length(), 1u);

  EXPECT_TRUE(names[0].EqualsLiteral("foo"));

  // Matching should be case-insensitive.

  flat = ToBytes("HTTP/3 200\r\nWT-Protocol: chat\r\nfoo: bar\r\n\r\n");

  names.Clear();

  values.Clear();

  ParseFlatWebTransportResponseHeaders(flat, names, values);

  ASSERT_EQ(names.Length(), 1u);

  EXPECT_TRUE(names[0].EqualsLiteral("foo"));

TEST(TestHttp3WebTransportSession, EmptyBuffer)

  nsTArray<uint8_t> flat;

  nsTArray<nsCString> names, values;

  ParseFlatWebTransportResponseHeaders(flat, names, values);

  EXPECT_EQ(names.Length(), 0u);

  EXPECT_EQ(values.Length(), 0u);

TEST(TestHttp3WebTransportSession, StatusLineOnlyNoHeaders)

  nsTArray<uint8_t> flat = ToBytes("HTTP/3 200\r\n\r\n");

  nsTArray<nsCString> names, values;

  ParseFlatWebTransportResponseHeaders(flat, names, values);

  EXPECT_EQ(names.Length(), 0u);

  EXPECT_EQ(values.Length(), 0u);

TEST(TestHttp3WebTransportSession, MissingSeparatorLineIsSkipped)

  // A header line with no ": " separator is silently dropped rather than

  // misparsed.

  nsTArray<uint8_t> flat =

      ToBytes("HTTP/3 200\r\nmalformedheader\r\nfoo: bar\r\n\r\n");

  nsTArray<nsCString> names, values;

  ParseFlatWebTransportResponseHeaders(flat, names, values);

  ASSERT_EQ(names.Length(), 1u);

  EXPECT_TRUE(names[0].EqualsLiteral("foo"));

TEST(TestHttp3WebTransportSession, EmptyHeaderValue)

  nsTArray<uint8_t> flat = ToBytes("HTTP/3 200\r\nfoo: \r\n\r\n");

  nsTArray<nsCString> names, values;

  ParseFlatWebTransportResponseHeaders(flat, names, values);

  ASSERT_EQ(names.Length(), 1u);

  EXPECT_TRUE(names[0].EqualsLiteral("foo"));

  EXPECT_TRUE(values[0].EqualsLiteral(""));