src/chrome/utility/media_galleries/image_metadata_extractor_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 "base/bind.h"
   6 #include "base/files/file_path.h"
   7 #include "base/path_service.h"
   8 #include "base/run_loop.h"
   9 #include "chrome/common/chrome_paths.h"
  10 #include "chrome/utility/media_galleries/image_metadata_extractor.h"
  11 #include "media/filters/file_data_source.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace metadata {
  15
  16 void QuitLoop(base::RunLoop* loop, bool* output, bool success) {
  17   loop->Quit();
  18   *output = success;
  19 }
  20
  21 base::FilePath GetTestDataFilePath(const std::string& filename) {
  22   base::FilePath path;
  23   EXPECT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &path));
  24   path = path.AppendASCII("extensions").AppendASCII("api_test")
  25       .AppendASCII("wallpaper").AppendASCII(filename);
  26   return path;
  27 }
  28
  29 scoped_ptr<ImageMetadataExtractor> GetExtractor(
  30     const std::string& filename,
  31     bool expected_result) {
  32   EXPECT_TRUE(ImageMetadataExtractor::InitializeLibraryForTesting());
  33
  34   media::FileDataSource source;
  35   base::FilePath test_path;
  36
  37   EXPECT_TRUE(source.Initialize(GetTestDataFilePath(filename)));
  38
  39   scoped_ptr<ImageMetadataExtractor> extractor(new ImageMetadataExtractor);
  40
  41   base::RunLoop loop;
  42   bool extracted = false;
  43   extractor->Extract(&source, base::Bind(&QuitLoop, &loop, &extracted));
  44   EXPECT_EQ(expected_result, extracted);
  45
  46   return extractor.Pass();
  47 }
  48
  49 TEST(ImageMetadataExtractorTest, JPGFile) {
  50   scoped_ptr<ImageMetadataExtractor> extractor =
  51       GetExtractor("test.jpg", true);
  52
  53   EXPECT_EQ(5616, extractor->width());
  54   EXPECT_EQ(3744, extractor->height());
  55   EXPECT_EQ(0, extractor->rotation());
  56   EXPECT_EQ(300.0, extractor->x_resolution());
  57   EXPECT_EQ(300.0, extractor->y_resolution());
  58   EXPECT_EQ("2012:03:01 17:06:07", extractor->date());
  59   EXPECT_EQ("Canon", extractor->camera_make());
  60   EXPECT_EQ("Canon EOS 5D Mark II", extractor->camera_model());
  61   EXPECT_EQ(0.01, extractor->exposure_time_sec());
  62   EXPECT_FALSE(extractor->flash_fired());
  63   EXPECT_EQ(3.2, extractor->f_number());
  64   EXPECT_EQ(100, extractor->focal_length_mm());
  65   EXPECT_EQ(1600, extractor->iso_equivalent());
  66 }
  67
  68 TEST(ImageMetadataExtractorTest, PNGFile) {
  69   GetExtractor("test.png", false);
  70 }
  71
  72 TEST(ImageMetadataExtractorTest, NonImageFile) {
  73   GetExtractor("test.js", false);
  74 }
  75
  76 }  // namespace metadata