// Copyright 2013 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "net/instaweb/rewriter/public/request_properties.h"

#include "net/instaweb/public/global_constants.h"
#include "net/instaweb/rewriter/public/rewrite_options.h"
#include "pagespeed/kernel/base/gtest.h"
#include "pagespeed/kernel/http/http_names.h"
#include "pagespeed/kernel/http/request_headers.h"
#include "pagespeed/kernel/http/user_agent_matcher.h"
#include "pagespeed/kernel/http/user_agent_matcher_test_base.h"

namespace net_instaweb {

class RequestPropertiesTest: public testing::Test {
 protected:
  UserAgentMatcher user_agent_matcher_;
};

TEST_F(RequestPropertiesTest, SupportsWebpRewrittenUrls) {
  RequestProperties request_properties(&user_agent_matcher_);
  request_properties.SetUserAgent(
      UserAgentMatcherTestBase::kChrome18UserAgent);
  RequestHeaders headers;
  headers.Add(HttpAttributes::kAccept, "image/webp");
  request_properties.ParseRequestHeaders(headers);
  EXPECT_TRUE(request_properties.SupportsWebpRewrittenUrls());
}

TEST_F(RequestPropertiesTest, SupportsImageInliningNoRequestHeaders) {
  RequestProperties request_properties(&user_agent_matcher_);
  request_properties.SetUserAgent(
      UserAgentMatcherTestBase::kChrome18UserAgent);
  EXPECT_TRUE(request_properties.SupportsImageInlining());
}

TEST_F(RequestPropertiesTest, SupportsImageInliningEmptyRequestHeaders) {
  RequestProperties request_properties(&user_agent_matcher_);
  request_properties.SetUserAgent(
      UserAgentMatcherTestBase::kChrome18UserAgent);
  RequestHeaders request_headers;
  request_headers.Add(kPsaCapabilityList, "");
  request_properties.ParseRequestHeaders(request_headers);
  EXPECT_FALSE(request_properties.SupportsImageInlining());
}

TEST_F(RequestPropertiesTest, SupportsImageInliningViaRequestHeaders) {
  RequestProperties request_properties(&user_agent_matcher_);
  request_properties.SetUserAgent(
      UserAgentMatcherTestBase::kChrome18UserAgent);
  RequestHeaders request_headers;
  request_properties.ParseRequestHeaders(request_headers);
  request_headers.Add(kPsaCapabilityList,
                      RewriteOptions::FilterId(RewriteOptions::kInlineImages));
  EXPECT_TRUE(request_properties.SupportsImageInlining());
}

}  // namespace net_instaweb