Page Speed Optimization Libraries  1.7.30.3
net/instaweb/rewriter/public/critical_images_finder_test_base.h
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00001 /*
00002  * Copyright 2012 Google Inc.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http:///www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00017 
00018 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_CRITICAL_IMAGES_FINDER_TEST_BASE_H_
00019 #define NET_INSTAWEB_REWRITER_PUBLIC_CRITICAL_IMAGES_FINDER_TEST_BASE_H_
00020 
00021 #include "net/instaweb/rewriter/public/critical_images_finder.h"
00022 #include "net/instaweb/rewriter/public/rewrite_test_base.h"
00023 #include "net/instaweb/util/public/null_statistics.h"
00024 #include "net/instaweb/util/public/property_cache.h"
00025 #include "net/instaweb/util/public/string.h"
00026 #include "net/instaweb/util/public/string_util.h"
00027 
00028 namespace net_instaweb {
00029 
00030 class RewriteDriver;
00031 class Statistics;
00032 
00034 class TestCriticalImagesFinder : public CriticalImagesFinder {
00035  public:
00036   TestCriticalImagesFinder(const PropertyCache::Cohort* cohort,
00037                            Statistics* stats)
00038       : CriticalImagesFinder(cohort, stats) {}
00039   virtual ~TestCriticalImagesFinder();
00040   virtual bool IsMeaningful(const RewriteDriver* driver) const { return true; }
00041   virtual void ComputeCriticalImages(RewriteDriver* driver) {}
00042 };
00043 
00044 class CriticalImagesFinderTestBase : public RewriteTestBase {
00045  public:
00046   virtual CriticalImagesFinder* finder() = 0;
00047 
00048   virtual bool UpdateCriticalImagesCacheEntry(
00049       const StringSet* critical_images_set,
00050       const StringSet* css_critical_images_set) {
00051     return finder()->UpdateCriticalImagesCacheEntryFromDriver(
00052         critical_images_set, css_critical_images_set, rewrite_driver());
00053   }
00054 
00055   void CheckCriticalImageFinderStats(int hits, int expiries, int not_found);
00056 
00057   bool IsHtmlCriticalImage(const GoogleString& url);
00058   bool IsCssCriticalImage(const GoogleString& url);
00059 
00060  protected:
00061   NullStatistics stats_;
00062 
00064   void ResetDriver();
00065 
00066   const PropertyValue* GetCriticalImagesUpdatedValue();
00067 
00068  private:
00069   static const char kRequestUrl[];
00070 };
00071 
00072 }  
00073 
00074 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_CRITICAL_IMAGES_FINDER_TEST_BASE_H_
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