| // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "net/base/filter.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| class FilterTest : public testing::Test { |
| }; |
| |
| TEST(FilterTest, ContentTypeId) { |
| // Check for basic translation of Content-Encoding, including case variations. |
| EXPECT_EQ(Filter::FILTER_TYPE_DEFLATE, |
| Filter::ConvertEncodingToType("deflate")); |
| EXPECT_EQ(Filter::FILTER_TYPE_DEFLATE, |
| Filter::ConvertEncodingToType("deflAte")); |
| EXPECT_EQ(Filter::FILTER_TYPE_GZIP, |
| Filter::ConvertEncodingToType("gzip")); |
| EXPECT_EQ(Filter::FILTER_TYPE_GZIP, |
| Filter::ConvertEncodingToType("GzIp")); |
| EXPECT_EQ(Filter::FILTER_TYPE_GZIP, |
| Filter::ConvertEncodingToType("x-gzip")); |
| EXPECT_EQ(Filter::FILTER_TYPE_GZIP, |
| Filter::ConvertEncodingToType("X-GzIp")); |
| EXPECT_EQ(Filter::FILTER_TYPE_BZIP2, |
| Filter::ConvertEncodingToType("bzip2")); |
| EXPECT_EQ(Filter::FILTER_TYPE_BZIP2, |
| Filter::ConvertEncodingToType("BZiP2")); |
| EXPECT_EQ(Filter::FILTER_TYPE_BZIP2, |
| Filter::ConvertEncodingToType("x-bzip2")); |
| EXPECT_EQ(Filter::FILTER_TYPE_BZIP2, |
| Filter::ConvertEncodingToType("X-BZiP2")); |
| EXPECT_EQ(Filter::FILTER_TYPE_SDCH, |
| Filter::ConvertEncodingToType("sdch")); |
| EXPECT_EQ(Filter::FILTER_TYPE_SDCH, |
| Filter::ConvertEncodingToType("sDcH")); |
| EXPECT_EQ(Filter::FILTER_TYPE_UNSUPPORTED, |
| Filter::ConvertEncodingToType("weird")); |
| EXPECT_EQ(Filter::FILTER_TYPE_UNSUPPORTED, |
| Filter::ConvertEncodingToType("strange")); |
| } |
| |
| // Check various fixups that modify content encoding lists. |
| TEST(FilterTest, ApacheGzip) { |
| // Check that redundant gzip mime type removes only solo gzip encoding. |
| const bool is_sdch_response = false; |
| const std::string kGzipMime1("application/x-gzip"); |
| const std::string kGzipMime2("application/gzip"); |
| const std::string kGzipMime3("application/x-gunzip"); |
| std::vector<Filter::FilterType> encoding_types; |
| |
| // First show it removes the gzip, given any gzip style mime type. |
| encoding_types.clear(); |
| encoding_types.push_back(Filter::FILTER_TYPE_GZIP); |
| Filter::FixupEncodingTypes(is_sdch_response, kGzipMime1, &encoding_types); |
| EXPECT_TRUE(encoding_types.empty()); |
| |
| encoding_types.clear(); |
| encoding_types.push_back(Filter::FILTER_TYPE_GZIP); |
| Filter::FixupEncodingTypes(is_sdch_response, kGzipMime2, &encoding_types); |
| EXPECT_TRUE(encoding_types.empty()); |
| |
| encoding_types.clear(); |
| encoding_types.push_back(Filter::FILTER_TYPE_GZIP); |
| Filter::FixupEncodingTypes(is_sdch_response, kGzipMime3, &encoding_types); |
| EXPECT_TRUE(encoding_types.empty()); |
| |
| // Check to be sure it doesn't remove everything when it has such a type. |
| encoding_types.clear(); |
| encoding_types.push_back(Filter::FILTER_TYPE_SDCH); |
| Filter::FixupEncodingTypes(is_sdch_response, kGzipMime1, &encoding_types); |
| EXPECT_EQ(1U, encoding_types.size()); |
| EXPECT_EQ(Filter::FILTER_TYPE_SDCH, encoding_types.front()); |
| |
| // Check to be sure that gzip can survive with other mime types. |
| encoding_types.clear(); |
| encoding_types.push_back(Filter::FILTER_TYPE_GZIP); |
| Filter::FixupEncodingTypes(is_sdch_response, "other/mime", &encoding_types); |
| EXPECT_EQ(1U, encoding_types.size()); |
| EXPECT_EQ(Filter::FILTER_TYPE_GZIP, encoding_types.front()); |
| } |
| |
| TEST(FilterTest, SdchEncoding) { |
| // Handle content encodings including SDCH. |
| const bool is_sdch_response = true; |
| const std::string kTextHtmlMime("text/html"); |
| std::vector<Filter::FilterType> encoding_types; |
| |
| // Check for most common encoding, and verify it survives unchanged. |
| encoding_types.clear(); |
| encoding_types.push_back(Filter::FILTER_TYPE_SDCH); |
| encoding_types.push_back(Filter::FILTER_TYPE_GZIP); |
| Filter::FixupEncodingTypes(is_sdch_response, kTextHtmlMime, &encoding_types); |
| EXPECT_EQ(2U, encoding_types.size()); |
| EXPECT_EQ(Filter::FILTER_TYPE_SDCH, encoding_types[0]); |
| EXPECT_EQ(Filter::FILTER_TYPE_GZIP, encoding_types[1]); |
| |
| // Unchanged even with other mime types. |
| encoding_types.clear(); |
| encoding_types.push_back(Filter::FILTER_TYPE_SDCH); |
| encoding_types.push_back(Filter::FILTER_TYPE_GZIP); |
| Filter::FixupEncodingTypes(is_sdch_response, "other/type", &encoding_types); |
| EXPECT_EQ(2U, encoding_types.size()); |
| EXPECT_EQ(Filter::FILTER_TYPE_SDCH, encoding_types[0]); |
| EXPECT_EQ(Filter::FILTER_TYPE_GZIP, encoding_types[1]); |
| |
| // Solo SDCH is extended to include optional gunzip. |
| encoding_types.clear(); |
| encoding_types.push_back(Filter::FILTER_TYPE_SDCH); |
| Filter::FixupEncodingTypes(is_sdch_response, "other/type", &encoding_types); |
| EXPECT_EQ(2U, encoding_types.size()); |
| EXPECT_EQ(Filter::FILTER_TYPE_SDCH, encoding_types[0]); |
| EXPECT_EQ(Filter::FILTER_TYPE_GZIP_HELPING_SDCH, encoding_types[1]); |
| } |
| |
| TEST(FilterTest, MissingSdchEncoding) { |
| // Handle interesting case where entire SDCH encoding assertion "got lost." |
| const bool is_sdch_response = true; |
| const std::string kTextHtmlMime("text/html"); |
| std::vector<Filter::FilterType> encoding_types; |
| |
| // Loss of encoding, but it was an SDCH response with html type. |
| encoding_types.clear(); |
| Filter::FixupEncodingTypes(is_sdch_response, kTextHtmlMime, &encoding_types); |
| EXPECT_EQ(2U, encoding_types.size()); |
| EXPECT_EQ(Filter::FILTER_TYPE_SDCH, encoding_types[0]); |
| EXPECT_EQ(Filter::FILTER_TYPE_GZIP_HELPING_SDCH, encoding_types[1]); |
| |
| // No encoding, but it was an SDCH response with non-html type. |
| encoding_types.clear(); |
| Filter::FixupEncodingTypes(is_sdch_response, "other/mime", &encoding_types); |
| EXPECT_TRUE(encoding_types.empty()); |
| } |