src/components/enhanced_bookmarks/image_store_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/enhanced_bookmarks/image_store.h"
   6
   7 #include "base/files/scoped_temp_dir.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "components/enhanced_bookmarks/image_store_util.h"
  10 #include "components/enhanced_bookmarks/persistent_image_store.h"
  11 #include "components/enhanced_bookmarks/test_image_store.h"
  12 #include "testing/platform_test.h"
  13 #include "third_party/skia/include/core/SkBitmap.h"
  14 #include "url/gurl.h"
  15
  16 namespace {
  17
  18 gfx::Image CreateImage(int width, int height, int a, int r, int g, int b) {
  19   SkBitmap bitmap;
  20   bitmap.allocN32Pixels(width, height);
  21   bitmap.eraseARGB(a, r, g, b);
  22   gfx::Image image(gfx::Image::CreateFrom1xBitmap(bitmap));
  23
  24 #if defined(OS_IOS)
  25   // Make sure the image has a kImageRepCocoaTouch.
  26   image.ToUIImage();
  27 #endif  // defined(OS_IOS)
  28
  29   return image;
  30 }
  31
  32 gfx::Image GenerateWhiteImage() {
  33   return CreateImage(42, 24, 255, 255, 255, 255);
  34 }
  35
  36 gfx::Image GenerateBlackImage(int width, int height) {
  37   return CreateImage(width, height, 255, 0, 0, 0);
  38 }
  39
  40 gfx::Image GenerateBlackImage() {
  41   return GenerateBlackImage(42, 24);
  42 }
  43
  44 // Returns true if the two images are identical.
  45 bool CompareImages(const gfx::Image& image_1, const gfx::Image& image_2) {
  46   if (image_1.IsEmpty() && image_2.IsEmpty())
  47     return true;
  48
  49   if (image_1.IsEmpty() || image_2.IsEmpty())
  50     return false;
  51
  52   scoped_refptr<base::RefCountedMemory> image_1_bytes =
  53       enhanced_bookmarks::BytesForImage(image_1);
  54   scoped_refptr<base::RefCountedMemory> image_2_bytes =
  55       enhanced_bookmarks::BytesForImage(image_2);
  56
  57   if (image_1_bytes->size() != image_2_bytes->size())
  58     return false;
  59
  60   return !memcmp(image_1_bytes->front(),
  61                  image_2_bytes->front(),
  62                  image_1_bytes->size());
  63 }
  64
  65 // Factory functions for creating instances of the implementations.
  66 template <class T>
  67 ImageStore* CreateStore(base::ScopedTempDir& folder);
  68
  69 template <>
  70 ImageStore* CreateStore<TestImageStore>(
  71     base::ScopedTempDir& folder) {
  72   return new TestImageStore();
  73 }
  74
  75 template <>
  76 ImageStore* CreateStore<PersistentImageStore>(
  77     base::ScopedTempDir& folder) {
  78   return new PersistentImageStore(folder.path());
  79 }
  80
  81 // Methods to check if persistence is on or not.
  82 template <class T> bool ShouldPersist();
  83 template <> bool ShouldPersist<TestImageStore>() { return false; }
  84 template <> bool ShouldPersist<PersistentImageStore>() { return true; }
  85
  86 // Test fixture class template for the abstract API.
  87 template <class T>
  88 class ImageStoreUnitTest : public PlatformTest {
  89  protected:
  90   ImageStoreUnitTest() {}
  91   virtual ~ImageStoreUnitTest() {}
  92
  93   virtual void SetUp() override {
  94     bool success = tempDir_.CreateUniqueTempDir();
  95     ASSERT_TRUE(success);
  96     store_.reset(CreateStore<T>(tempDir_));
  97   }
  98
  99   virtual void TearDown() override {
 100     if (store_ && use_persistent_store())
 101       store_->ClearAll();
 102   }
 103
 104   bool use_persistent_store() const { return ShouldPersist<T>(); }
 105   void ResetStore() { store_.reset(CreateStore<T>(tempDir_)); }
 106
 107   // The directory the database is saved into.
 108   base::ScopedTempDir tempDir_;
 109   // The object the fixture is testing, via its base interface.
 110   scoped_ptr<ImageStore> store_;
 111
 112  private:
 113   DISALLOW_COPY_AND_ASSIGN(ImageStoreUnitTest);
 114 };
 115
 116 // The list of implementations of the abstract API that are going to be tested.
 117 typedef testing::Types<TestImageStore,
 118                        PersistentImageStore> Implementations;
 119
 120 TYPED_TEST_CASE(ImageStoreUnitTest, Implementations);
 121
 122 // All those tests are run on all the implementations.
 123 TYPED_TEST(ImageStoreUnitTest, StartsEmpty) {
 124   std::set<GURL> all_urls;
 125   this->store_->GetAllPageUrls(&all_urls);
 126   EXPECT_EQ(0u, all_urls.size());
 127 }
 128
 129 TYPED_TEST(ImageStoreUnitTest, StoreOne) {
 130   this->store_->Insert(GURL("foo://bar"), GURL("a.jpg"), GenerateBlackImage());
 131
 132   std::set<GURL> all_urls;
 133   this->store_->GetAllPageUrls(&all_urls);
 134   EXPECT_EQ(1u, all_urls.size());
 135   EXPECT_EQ(GURL("foo://bar"), *all_urls.begin());
 136   EXPECT_TRUE(this->store_->HasKey(GURL("foo://bar")));
 137 }
 138
 139 TYPED_TEST(ImageStoreUnitTest, Retrieve) {
 140   gfx::Image src_image = GenerateBlackImage(42, 24);
 141   const GURL url("foo://bar");
 142   const GURL image_url("a.jpg");
 143   this->store_->Insert(url, image_url, src_image);
 144
 145   std::pair<gfx::Image, GURL> image_info = this->store_->Get(url);
 146   gfx::Size size = this->store_->GetSize(url);
 147
 148   EXPECT_EQ(size.width(), 42);
 149   EXPECT_EQ(size.height(), 24);
 150   EXPECT_EQ(image_url, image_info.second);
 151   EXPECT_TRUE(CompareImages(src_image, image_info.first));
 152 }
 153
 154 TYPED_TEST(ImageStoreUnitTest, Erase) {
 155   gfx::Image src_image = GenerateBlackImage();
 156   const GURL url("foo://bar");
 157   const GURL image_url("a.jpg");
 158   this->store_->Insert(url, image_url, src_image);
 159   this->store_->Erase(url);
 160
 161   EXPECT_FALSE(this->store_->HasKey(url));
 162   std::set<GURL> all_urls;
 163   this->store_->GetAllPageUrls(&all_urls);
 164   EXPECT_EQ(0u, all_urls.size());
 165 }
 166
 167 TYPED_TEST(ImageStoreUnitTest, ClearAll) {
 168   const GURL url_foo("http://foo");
 169   this->store_->Insert(url_foo, GURL("foo.jpg"), GenerateBlackImage());
 170   const GURL url_bar("http://bar");
 171   this->store_->Insert(url_foo, GURL("bar.jpg"), GenerateWhiteImage());
 172
 173   this->store_->ClearAll();
 174
 175   EXPECT_FALSE(this->store_->HasKey(url_foo));
 176   EXPECT_FALSE(this->store_->HasKey(url_bar));
 177   std::set<GURL> all_urls;
 178   this->store_->GetAllPageUrls(&all_urls);
 179   EXPECT_EQ(0u, all_urls.size());
 180 }
 181
 182 TYPED_TEST(ImageStoreUnitTest, Update) {
 183   gfx::Image src_image1 = GenerateWhiteImage();
 184   gfx::Image src_image2 = GenerateBlackImage();
 185   const GURL url("foo://bar");
 186   const GURL image_url1("1.jpg");
 187   this->store_->Insert(url, image_url1, src_image1);
 188
 189   const GURL image_url2("2.jpg");
 190   this->store_->Insert(url, image_url2, src_image2);
 191
 192   std::pair<gfx::Image, GURL> image_info = this->store_->Get(url);
 193
 194   EXPECT_TRUE(this->store_->HasKey(url));
 195   std::set<GURL> all_urls;
 196   this->store_->GetAllPageUrls(&all_urls);
 197   EXPECT_EQ(1u, all_urls.size());
 198   EXPECT_EQ(image_url2, image_info.second);
 199   EXPECT_TRUE(CompareImages(src_image2, image_info.first));
 200 }
 201
 202 TYPED_TEST(ImageStoreUnitTest, Persistence) {
 203   gfx::Image src_image = GenerateBlackImage();
 204   const GURL url("foo://bar");
 205   const GURL image_url("a.jpg");
 206   this->store_->Insert(url, image_url, src_image);
 207
 208   this->ResetStore();
 209   if (this->use_persistent_store()) {
 210     std::set<GURL> all_urls;
 211     this->store_->GetAllPageUrls(&all_urls);
 212     EXPECT_EQ(1u, all_urls.size());
 213     EXPECT_EQ(GURL("foo://bar"), *all_urls.begin());
 214     EXPECT_TRUE(this->store_->HasKey(GURL("foo://bar")));
 215     std::pair<gfx::Image, GURL> image_info = this->store_->Get(url);
 216
 217     EXPECT_EQ(image_url, image_info.second);
 218     EXPECT_TRUE(CompareImages(src_image, image_info.first));
 219   } else {
 220     std::set<GURL> all_urls;
 221     this->store_->GetAllPageUrls(&all_urls);
 222     EXPECT_EQ(0u, all_urls.size());
 223     EXPECT_FALSE(this->store_->HasKey(GURL("foo://bar")));
 224   }
 225 }
 226
 227 TYPED_TEST(ImageStoreUnitTest, GetSize) {
 228   gfx::Image src_image = GenerateBlackImage();
 229   const GURL url("foo://bar");
 230   const GURL image_url("a.jpg");
 231
 232   int64 size = 0;
 233   if (this->use_persistent_store()) {
 234     // File shouldn't exist before we actually start using it since we do lazy
 235     // initialization.
 236     EXPECT_EQ(this->store_->GetStoreSizeInBytes(), -1);
 237   } else {
 238     EXPECT_LE(this->store_->GetStoreSizeInBytes(), 1024);
 239   }
 240   for (int i = 0; i < 100; ++i) {
 241     this->store_->Insert(
 242         GURL(url.spec() + '/' + base::IntToString(i)), image_url, src_image);
 243     EXPECT_GE(this->store_->GetStoreSizeInBytes(), size);
 244     size = this->store_->GetStoreSizeInBytes();
 245   }
 246
 247   if (this->use_persistent_store()) {
 248     EXPECT_GE(this->store_->GetStoreSizeInBytes(),  90 * 1024); //  90kb
 249     EXPECT_LE(this->store_->GetStoreSizeInBytes(), 200 * 1024); // 200kb
 250   } else {
 251     EXPECT_GE(this->store_->GetStoreSizeInBytes(), 400 * 1024); // 400kb
 252     EXPECT_LE(this->store_->GetStoreSizeInBytes(), 500 * 1024); // 500kb
 253   }
 254 }
 255
 256 }  // namespace