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1 // Copyright (c) 2012 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/browser/extensions/extension_icon_image.h" | |
6 | |
7 #include "base/json/json_file_value_serializer.h" | |
8 #include "base/message_loop.h" | |
9 #include "base/path_service.h" | |
10 #include "chrome/browser/extensions/extension_icon_image_delegate.h" | |
11 #include "chrome/common/chrome_paths.h" | |
12 #include "chrome/common/extensions/extension.h" | |
13 #include "content/public/test/test_browser_thread.h" | |
14 #include "testing/gtest/include/gtest/gtest.h" | |
15 | |
16 using content::BrowserThread; | |
17 using extensions::Extension; | |
18 | |
19 class ExtensionIconImageTest : public testing::Test, | |
20 public ExtensionIconImageDelegate { | |
21 public: | |
22 ExtensionIconImageTest() | |
23 : image_loaded_count_(0), | |
24 quit_in_image_loaded_(false), | |
25 ui_thread_(BrowserThread::UI, &ui_loop_), | |
26 file_thread_(BrowserThread::FILE), | |
27 io_thread_(BrowserThread::IO) { | |
28 } | |
29 | |
30 void WaitForImageLoad() { | |
31 quit_in_image_loaded_ = true; | |
32 MessageLoop::current()->Run(); | |
33 quit_in_image_loaded_ = false; | |
34 } | |
35 | |
36 int image_loaded_count() { | |
37 int result = image_loaded_count_; | |
38 image_loaded_count_ = 0; | |
39 return result; | |
40 } | |
41 | |
42 scoped_refptr<Extension> CreateExtension(const char* name, | |
43 Extension::Location location) { | |
44 // Create and load an extension. | |
45 FilePath test_file; | |
46 if (!PathService::Get(chrome::DIR_TEST_DATA, &test_file)) { | |
47 EXPECT_FALSE(true); | |
48 return NULL; | |
49 } | |
50 test_file = test_file.AppendASCII("extensions") | |
51 .AppendASCII(name); | |
52 int error_code = 0; | |
53 std::string error; | |
54 JSONFileValueSerializer serializer(test_file.AppendASCII("app.json")); | |
55 scoped_ptr<DictionaryValue> valid_value( | |
56 static_cast<DictionaryValue*>(serializer.Deserialize(&error_code, | |
57 &error))); | |
58 EXPECT_EQ(0, error_code) << error; | |
59 if (error_code != 0) | |
60 return NULL; | |
61 | |
62 EXPECT_TRUE(valid_value.get()); | |
63 if (!valid_value.get()) | |
64 return NULL; | |
65 | |
66 return Extension::Create(test_file, location, *valid_value, | |
67 Extension::NO_FLAGS, &error); | |
68 } | |
69 | |
70 // testing::Test overrides: | |
71 virtual void SetUp() OVERRIDE { | |
72 file_thread_.Start(); | |
73 io_thread_.Start(); | |
74 } | |
75 | |
76 // ExtensionIconImageDelegate overrides: | |
77 virtual void OnExtensionIconImageChanged(ExtensionIconImage* image) OVERRIDE { | |
78 image_loaded_count_++; | |
79 if (quit_in_image_loaded_) | |
80 MessageLoop::current()->Quit(); | |
81 } | |
82 | |
83 private: | |
84 int image_loaded_count_; | |
85 bool quit_in_image_loaded_; | |
86 MessageLoop ui_loop_; | |
87 content::TestBrowserThread ui_thread_; | |
88 content::TestBrowserThread file_thread_; | |
89 content::TestBrowserThread io_thread_; | |
90 | |
91 DISALLOW_COPY_AND_ASSIGN(ExtensionIconImageTest); | |
92 }; | |
93 | |
94 TEST_F(ExtensionIconImageTest, Basic) { | |
95 scoped_refptr<Extension> extension(CreateExtension( | |
96 "image_loading_tracker", Extension::INVALID)); | |
97 ASSERT_TRUE(extension.get() != NULL); | |
98 | |
99 scoped_ptr<ExtensionIconImage> image(new ExtensionIconImage( | |
100 extension, | |
101 extension->icons(), | |
102 ExtensionIconSet::EXTENSION_ICON_BITTY, | |
103 ExtensionIconSet::MATCH_SMALLER, | |
104 gfx::Size(ExtensionIconSet::EXTENSION_ICON_BITTY, | |
105 ExtensionIconSet::EXTENSION_ICON_BITTY), | |
106 ImageLoadingTracker::DONT_CACHE, | |
107 this)); | |
108 | |
109 EXPECT_FALSE(image->IsEmpty()); | |
110 | |
111 // No representations in |image_| yet. | |
112 gfx::ImageSkia::ImageSkiaReps image_reps = image->image_skia().image_reps(); | |
113 ASSERT_EQ(0u, image_reps.size()); | |
114 | |
115 // Gets representation for a scale factor. | |
116 image->image_skia().GetRepresentation(ui::SCALE_FACTOR_100P); | |
117 WaitForImageLoad(); | |
118 EXPECT_EQ(1, image_loaded_count()); | |
tbarzic
2012/07/25 19:37:34
pkotwicz 2012/07/25 02:00:39
Nit: Check the size o
tbarzic
2012/07/25 19:53:53
the problem with image_reps is there are actually
| |
119 | |
120 gfx::ImageSkiaRep image_rep = | |
121 image->image_skia().GetRepresentation(ui::SCALE_FACTOR_100P); | |
122 EXPECT_EQ(ExtensionIconSet::EXTENSION_ICON_BITTY, | |
123 image_rep.pixel_width()); | |
124 | |
125 // Gets representation for an additional scale factor. | |
126 image->image_skia().GetRepresentation(ui::SCALE_FACTOR_200P); | |
127 WaitForImageLoad(); | |
128 EXPECT_EQ(1, image_loaded_count()); | |
129 | |
130 image_rep = image->image_skia().GetRepresentation(ui::SCALE_FACTOR_200P); | |
131 EXPECT_EQ(ExtensionIconSet::EXTENSION_ICON_SMALL, | |
132 image_rep.pixel_width()); | |
133 } | |
134 | |
135 TEST_F(ExtensionIconImageTest, BadResource) { | |
136 scoped_refptr<Extension> extension(CreateExtension( | |
137 "image_loading_tracker", Extension::INVALID)); | |
138 ASSERT_TRUE(extension.get() != NULL); | |
139 | |
140 scoped_ptr<ExtensionIconImage> image(new ExtensionIconImage( | |
141 extension, | |
142 extension->icons(), | |
143 ExtensionIconSet::EXTENSION_ICON_GIGANTOR, | |
144 ExtensionIconSet::MATCH_BIGGER, | |
145 gfx::Size(ExtensionIconSet::EXTENSION_ICON_GIGANTOR, | |
146 ExtensionIconSet::EXTENSION_ICON_GIGANTOR), | |
147 ImageLoadingTracker::DONT_CACHE, | |
148 this)); | |
149 | |
150 EXPECT_TRUE(image->IsEmpty()); | |
151 } | |
152 | |
153 TEST_F(ExtensionIconImageTest, Missing2x) { | |
154 scoped_refptr<Extension> extension(CreateExtension( | |
155 "image_loading_tracker", Extension::INVALID)); | |
156 ASSERT_TRUE(extension.get() != NULL); | |
157 | |
158 scoped_ptr<ExtensionIconImage> image(new ExtensionIconImage( | |
159 extension, | |
160 extension->icons(), | |
161 ExtensionIconSet::EXTENSION_ICON_SMALLISH, | |
162 ExtensionIconSet::MATCH_BIGGER, | |
163 gfx::Size(ExtensionIconSet::EXTENSION_ICON_SMALLISH, | |
164 ExtensionIconSet::EXTENSION_ICON_SMALLISH), | |
165 ImageLoadingTracker::DONT_CACHE, | |
166 this)); | |
167 | |
168 // Gets representation for 1x. | |
169 image->image_skia().GetRepresentation(ui::SCALE_FACTOR_100P); | |
170 WaitForImageLoad(); | |
171 EXPECT_EQ(1, image_loaded_count()); | |
172 | |
173 gfx::ImageSkiaRep image_rep = | |
174 image->image_skia().GetRepresentation(ui::SCALE_FACTOR_100P); | |
175 EXPECT_EQ(ExtensionIconSet::EXTENSION_ICON_SMALLISH, | |
176 image_rep.pixel_width()); | |
177 | |
178 // Get representation for 2x. | |
179 image->image_skia().GetRepresentation(ui::SCALE_FACTOR_200P); | |
180 | |
181 image_rep = image->image_skia().GetRepresentation(ui::SCALE_FACTOR_200P); | |
182 | |
183 // 1x representation would be returned since there is no 2x resource. | |
184 EXPECT_EQ(ui::SCALE_FACTOR_100P, image_rep.scale_factor()); | |
185 EXPECT_EQ(ExtensionIconSet::EXTENSION_ICON_SMALLISH, | |
186 image_rep.pixel_width()); | |
187 } | |
188 | |
189 // Similar to Missing2x test but go directly for the missing 2x resource first. | |
190 TEST_F(ExtensionIconImageTest, FallbackTo1x) { | |
191 scoped_refptr<Extension> extension(CreateExtension( | |
192 "image_loading_tracker", Extension::INVALID)); | |
193 ASSERT_TRUE(extension.get() != NULL); | |
194 | |
195 scoped_ptr<ExtensionIconImage> image(new ExtensionIconImage( | |
196 extension, | |
197 extension->icons(), | |
198 ExtensionIconSet::EXTENSION_ICON_SMALLISH, | |
199 ExtensionIconSet::MATCH_BIGGER, | |
200 gfx::Size(ExtensionIconSet::EXTENSION_ICON_SMALLISH, | |
201 ExtensionIconSet::EXTENSION_ICON_SMALLISH), | |
202 ImageLoadingTracker::DONT_CACHE, | |
203 this)); | |
204 | |
205 // Attempt to get representation for 2x. | |
206 image->image_skia().GetRepresentation(ui::SCALE_FACTOR_200P); | |
207 | |
208 WaitForImageLoad(); | |
209 EXPECT_EQ(1, image_loaded_count()); | |
210 | |
211 // 1x representation would be returned since there is no 2x resource. | |
212 gfx::ImageSkiaRep image_rep = | |
213 image->image_skia().GetRepresentation(ui::SCALE_FACTOR_200P); | |
214 EXPECT_EQ(ui::SCALE_FACTOR_100P, image_rep.scale_factor()); | |
215 EXPECT_EQ(ExtensionIconSet::EXTENSION_ICON_SMALLISH, | |
216 image_rep.pixel_width()); | |
217 } | |
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