chrome/common/favicon/favicon_url_parser_unittest.cc

   1 // Copyright 2013 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 "chrome/common/favicon/favicon_url_parser.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "components/favicon_base/favicon_types.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10 #include "ui/base/layout.h"
  11
  12 class FaviconUrlParserTest : public testing::Test {
  13  public:
  14   FaviconUrlParserTest() {
  15     // Set the supported scale factors because the supported scale factors
  16     // affect the result of ParsePathAndScale().
  17     std::vector<ui::ScaleFactor> supported_scale_factors;
  18     supported_scale_factors.push_back(ui::SCALE_FACTOR_100P);
  19     supported_scale_factors.push_back(ui::SCALE_FACTOR_140P);
  20     scoped_set_supported_scale_factors_.reset(
  21         new ui::test::ScopedSetSupportedScaleFactors(supported_scale_factors));
  22   }
  23
  24   virtual ~FaviconUrlParserTest() {
  25   }
  26
  27  private:
  28   typedef scoped_ptr<ui::test::ScopedSetSupportedScaleFactors>
  29       ScopedSetSupportedScaleFactors;
  30   ScopedSetSupportedScaleFactors scoped_set_supported_scale_factors_;
  31
  32   DISALLOW_COPY_AND_ASSIGN(FaviconUrlParserTest);
  33 };
  34
  35 // Test parsing path with no extra parameters.
  36 TEST_F(FaviconUrlParserTest, ParsingNoExtraParams) {
  37   const std::string url("https://www.google.ca/imghp?hl=en&tab=wi");
  38   int icon_types = favicon_base::TOUCH_PRECOMPOSED_ICON;
  39   chrome::ParsedFaviconPath parsed;
  40
  41   const std::string path1 = url;
  42   EXPECT_TRUE(chrome::ParseFaviconPath(path1, icon_types, &parsed));
  43   EXPECT_FALSE(parsed.is_icon_url);
  44   EXPECT_EQ(url, parsed.url);
  45   EXPECT_EQ(16, parsed.size_in_dip);
  46   EXPECT_EQ(1.0f, parsed.device_scale_factor);
  47 }
  48
  49 // Test parsing path with a 'size' parameter.
  50 TEST_F(FaviconUrlParserTest, ParsingSizeParam) {
  51   const std::string url("https://www.google.ca/imghp?hl=en&tab=wi");
  52   int icon_types = favicon_base::TOUCH_PRECOMPOSED_ICON;
  53   chrome::ParsedFaviconPath parsed;
  54
  55   // Test that we can still parse the legacy 'size' parameter format.
  56   const std::string path2 = "size/32/" + url;
  57   EXPECT_TRUE(chrome::ParseFaviconPath(path2, icon_types, &parsed));
  58   EXPECT_FALSE(parsed.is_icon_url);
  59   EXPECT_EQ(url, parsed.url);
  60   EXPECT_EQ(32, parsed.size_in_dip);
  61   EXPECT_EQ(1.0f, parsed.device_scale_factor);
  62
  63   // Test parsing current 'size' parameter format.
  64   const std::string path3 = "size/32@1.4x/" + url;
  65   EXPECT_TRUE(chrome::ParseFaviconPath(path3, icon_types, &parsed));
  66   EXPECT_FALSE(parsed.is_icon_url);
  67   EXPECT_EQ(url, parsed.url);
  68   EXPECT_EQ(32, parsed.size_in_dip);
  69   EXPECT_EQ(1.4f, parsed.device_scale_factor);
  70
  71   // Test that we pick the ui::ScaleFactor which is closest to the passed in
  72   // scale factor.
  73   const std::string path4 = "size/16@1.41x/" + url;
  74   EXPECT_TRUE(chrome::ParseFaviconPath(path4, icon_types, &parsed));
  75   EXPECT_FALSE(parsed.is_icon_url);
  76   EXPECT_EQ(url, parsed.url);
  77   EXPECT_EQ(16, parsed.size_in_dip);
  78   EXPECT_EQ(1.41f, parsed.device_scale_factor);
  79
  80   // Invalid cases.
  81   const std::string path5 = "size/" + url;
  82   EXPECT_FALSE(chrome::ParseFaviconPath(path5, icon_types, &parsed));
  83   const std::string path6 = "size/@1x/" + url;
  84   EXPECT_FALSE(chrome::ParseFaviconPath(path6, icon_types, &parsed));
  85   const std::string path7 = "size/abc@1x/" + url;
  86   EXPECT_FALSE(chrome::ParseFaviconPath(path7, icon_types, &parsed));
  87
  88   // Part of url looks like 'size' parameter.
  89   const std::string path8 = "http://www.google.com/size/32@1.4x";
  90   EXPECT_TRUE(chrome::ParseFaviconPath(path8, icon_types, &parsed));
  91   EXPECT_FALSE(parsed.is_icon_url);
  92   EXPECT_EQ(path8, parsed.url);
  93   EXPECT_EQ(16, parsed.size_in_dip);
  94   EXPECT_EQ(1.0f, parsed.device_scale_factor);
  95 }
  96
  97 // Test parsing path with the 'largest' parameter.
  98 TEST_F(FaviconUrlParserTest, ParsingLargestParam) {
  99   const std::string url("https://www.google.ca/imghp?hl=en&tab=wi");
 100   int icon_types = favicon_base::TOUCH_PRECOMPOSED_ICON;
 101   chrome::ParsedFaviconPath parsed;
 102
 103   const std::string path9 = "largest/" + url;
 104   EXPECT_TRUE(chrome::ParseFaviconPath(path9, icon_types, &parsed));
 105   EXPECT_FALSE(parsed.is_icon_url);
 106   EXPECT_EQ(url, parsed.url);
 107   EXPECT_EQ(0, parsed.size_in_dip);
 108   // The scale factor is meaningless when requesting the largest favicon.
 109 }
 110
 111 // Test parsing path with 'iconurl' parameter.
 112 TEST_F(FaviconUrlParserTest, ParsingIconUrlParam) {
 113   const std::string url("https://www.google.ca/imghp?hl=en&tab=wi");
 114   int icon_types = favicon_base::TOUCH_PRECOMPOSED_ICON;
 115   chrome::ParsedFaviconPath parsed;
 116
 117   const std::string path10 = "iconurl/http://www.google.com/favicon.ico";
 118   EXPECT_TRUE(chrome::ParseFaviconPath(path10, icon_types, &parsed));
 119   EXPECT_TRUE(parsed.is_icon_url);
 120   EXPECT_EQ("http://www.google.com/favicon.ico", parsed.url);
 121   EXPECT_EQ(16, parsed.size_in_dip);
 122   EXPECT_EQ(1.0f, parsed.device_scale_factor);
 123 }
 124
 125 // Test parsing path with 'origin' parameter.
 126 TEST_F(FaviconUrlParserTest, ParsingOriginParam) {
 127   const std::string url("https://www.google.ca/imghp?hl=en&tab=wi");
 128   int icon_types = favicon_base::TOUCH_PRECOMPOSED_ICON;
 129   chrome::ParsedFaviconPath parsed;
 130
 131   const std::string path11 = "origin/" + url;
 132   EXPECT_TRUE(chrome::ParseFaviconPath(path11, icon_types, &parsed));
 133   EXPECT_FALSE(parsed.is_icon_url);
 134   EXPECT_EQ("https://www.google.ca/", parsed.url);
 135   EXPECT_EQ(16, parsed.size_in_dip);
 136   EXPECT_EQ(1.0f, parsed.device_scale_factor);
 137
 138   const std::string path12 = "origin/google.com";
 139   EXPECT_TRUE(chrome::ParseFaviconPath(path12, icon_types, &parsed));
 140   EXPECT_FALSE(parsed.is_icon_url);
 141   EXPECT_EQ("http://google.com/", parsed.url);
 142   EXPECT_EQ(16, parsed.size_in_dip);
 143   EXPECT_EQ(1.0f, parsed.device_scale_factor);
 144 }
 145
 146 // Test parsing paths with both a 'size' parameter and a 'url modifier'
 147 // parameter.
 148 TEST_F(FaviconUrlParserTest, ParsingSizeParamAndUrlModifier) {
 149   const std::string url("https://www.google.ca/imghp?hl=en&tab=wi");
 150   int icon_types = favicon_base::TOUCH_PRECOMPOSED_ICON;
 151   chrome::ParsedFaviconPath parsed;
 152
 153   const std::string path13 = "size/32@1.4x/origin/" + url;
 154   EXPECT_TRUE(chrome::ParseFaviconPath(path13, icon_types, &parsed));
 155   EXPECT_FALSE(parsed.is_icon_url);
 156   EXPECT_EQ("https://www.google.ca/", parsed.url);
 157   EXPECT_EQ(32, parsed.size_in_dip);
 158   EXPECT_EQ(1.4f, parsed.device_scale_factor);
 159
 160   const std::string path14 =
 161       "largest/iconurl/http://www.google.com/favicon.ico";
 162   EXPECT_TRUE(chrome::ParseFaviconPath(path14, icon_types, &parsed));
 163   EXPECT_TRUE(parsed.is_icon_url);
 164   EXPECT_EQ("http://www.google.com/favicon.ico", parsed.url);
 165   EXPECT_EQ(0, parsed.size_in_dip);
 166 }