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