ios/chrome/browser/net/image_fetcher_unittest.mm

   1 // Copyright 2011 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 #import "ios/chrome/browser/net/image_fetcher.h"
   6
   7 #import <UIKit/UIKit.h>
   8
   9 #include "base/mac/scoped_block.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/run_loop.h"
  12 #include "base/thread_task_runner_handle.h"
  13 #include "net/http/http_response_headers.h"
  14 #include "net/url_request/test_url_fetcher_factory.h"
  15 #include "net/url_request/url_request_test_util.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17 #include "testing/platform_test.h"
  18
  19 namespace {
  20
  21 static unsigned char kJPGImage[] = {
  22     255,216,255,224,0,16,74,70,73,70,0,1,1,1,0,72,0,72,0,0,255,254,0,19,67,
  23     114,101,97,116,101,100,32,119,105,116,104,32,71,73,77,80,255,219,0,67,
  24     0,5,3,4,4,4,3,5,4,4,4,5,5,5,6,7,12,8,7,7,7,7,15,11,11,9,12,17,15,18,18,
  25     17,15,17,17,19,22,28,23,19,20,26,21,17,17,24,33,24,26,29,29,31,31,31,
  26     19,23,34,36,34,30,36,28,30,31,30,255,219,0,67,1,5,5,5,7,6,7,14,8,8,14,
  27     30,20,17,20,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,
  28     30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,
  29     30,30,30,30,30,30,30,30,255,192,0,17,8,0,1,0,1,3,1,34,0,2,17,1,3,17,1,
  30     255,196,0,21,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,255,196,0,20,16,1,
  31     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,196,0,20,1,1,0,0,0,0,0,0,0,0,0,0,
  32     0,0,0,0,0,0,255,196,0,20,17,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,218,
  33     0,12,3,1,0,2,17,3,17,0,63,0,178,192,7,255,217
  34 };
  35
  36 static unsigned char kPNGImage[] = {
  37     137,80,78,71,13,10,26,10,0,0,0,13,73,72,68,82,0,0,0,1,0,0,0,1,1,0,0,0,
  38     0,55,110,249,36,0,0,0,2,98,75,71,68,0,1,221,138,19,164,0,0,0,9,112,72,
  39     89,115,0,0,11,18,0,0,11,18,1,210,221,126,252,0,0,0,9,118,112,65,103,0,
  40     0,0,1,0,0,0,1,0,199,149,95,237,0,0,0,10,73,68,65,84,8,215,99,104,0,0,
  41     0,130,0,129,221,67,106,244,0,0,0,25,116,69,88,116,99,111,109,109,101,
  42     110,116,0,67,114,101,97,116,101,100,32,119,105,116,104,32,71,73,77,80,
  43     231,175,64,203,0,0,0,37,116,69,88,116,100,97,116,101,58,99,114,101,97,
  44     116,101,0,50,48,49,49,45,48,54,45,50,50,84,49,54,58,49,54,58,52,54,43,
  45     48,50,58,48,48,31,248,231,223,0,0,0,37,116,69,88,116,100,97,116,101,58,
  46     109,111,100,105,102,121,0,50,48,49,49,45,48,54,45,50,50,84,49,54,58,49,
  47     54,58,52,54,43,48,50,58,48,48,110,165,95,99,0,0,0,17,116,69,88,116,106,
  48     112,101,103,58,99,111,108,111,114,115,112,97,99,101,0,50,44,117,85,159,
  49     0,0,0,32,116,69,88,116,106,112,101,103,58,115,97,109,112,108,105,110,
  50     103,45,102,97,99,116,111,114,0,50,120,50,44,49,120,49,44,49,120,49,73,
  51     250,166,180,0,0,0,0,73,69,78,68,174,66,96,130
  52 };
  53
  54 static unsigned char kWEBPImage[] = {
  55     82,73,70,70,74,0,0,0,87,69,66,80,86,80,56,88,10,0,0,0,16,0,0,0,0,0,0,0,0,0,
  56     65,76,80,72,12,0,0,0,1,7,16,17,253,15,68,68,255,3,0,0,86,80,56,32,24,0,0,0,
  57     48,1,0,157,1,42,1,0,1,0,3,0,52,37,164,0,3,112,0,254,251,253,80,0
  58 };
  59
  60 static const char kTestUrl[] = "http://www.img.com";
  61
  62 static const char kWEBPHeaderResponse[] =
  63     "HTTP/1.1 200 OK\0Content-type: image/webp\0\0";
  64
  65 }  // namespace
  66
  67 // TODO(ios): remove the static_cast<UIImage*>(nil) once all the bots have
  68 // Xcode 6.0 or later installed, http://crbug.com/440857
  69
  70 class ImageFetcherTest : public PlatformTest {
  71  protected:
  72   ImageFetcherTest()
  73       : pool_(new base::SequencedWorkerPool(1, "TestPool")),
  74         image_fetcher_(new image_fetcher::ImageFetcher(pool_)),
  75         result_(nil),
  76         called_(false) {
  77     callback_.reset(
  78         [^(const GURL& original_url, int http_response_code, NSData* data) {
  79             result_ = [UIImage imageWithData:data];
  80             called_ = true;
  81         } copy]);
  82     image_fetcher_->SetRequestContextGetter(
  83         new net::TestURLRequestContextGetter(
  84             base::ThreadTaskRunnerHandle::Get()));
  85   }
  86
  87   ~ImageFetcherTest() override { pool_->Shutdown(); }
  88
  89   net::TestURLFetcher* SetupFetcher() {
  90     image_fetcher_->StartDownload(GURL(kTestUrl), callback_);
  91     EXPECT_EQ(static_cast<UIImage*>(nil), result_);
  92     EXPECT_EQ(false, called_);
  93     net::TestURLFetcher* fetcher = factory_.GetFetcherByID(0);
  94     DCHECK(fetcher);
  95     DCHECK(fetcher->delegate());
  96     return fetcher;
  97   }
  98
  99   base::MessageLoop loop_;
 100   base::mac::ScopedBlock<image_fetcher::ImageFetchedCallback> callback_;
 101   net::TestURLFetcherFactory factory_;
 102   scoped_refptr<base::SequencedWorkerPool> pool_;
 103   scoped_ptr<image_fetcher::ImageFetcher> image_fetcher_;
 104   UIImage* result_;
 105   bool called_;
 106 };
 107
 108 TEST_F(ImageFetcherTest, TestError) {
 109   net::TestURLFetcher* fetcher = SetupFetcher();
 110   fetcher->set_response_code(404);
 111   fetcher->delegate()->OnURLFetchComplete(fetcher);
 112   EXPECT_EQ(static_cast<UIImage*>(nil), result_);
 113   EXPECT_TRUE(called_);
 114 }
 115
 116 TEST_F(ImageFetcherTest, TestJpg) {
 117   net::TestURLFetcher* fetcher = SetupFetcher();
 118   fetcher->set_response_code(200);
 119   fetcher->SetResponseString(std::string((char*)kJPGImage, sizeof(kJPGImage)));
 120   fetcher->delegate()->OnURLFetchComplete(fetcher);
 121   EXPECT_NE(static_cast<UIImage*>(nil), result_);
 122   EXPECT_TRUE(called_);
 123 }
 124
 125 TEST_F(ImageFetcherTest, TestPng) {
 126   net::TestURLFetcher* fetcher = SetupFetcher();
 127   fetcher->set_response_code(200);
 128   fetcher->SetResponseString(std::string((char*)kPNGImage, sizeof(kPNGImage)));
 129   fetcher->delegate()->OnURLFetchComplete(fetcher);
 130   EXPECT_NE(static_cast<UIImage*>(nil), result_);
 131   EXPECT_TRUE(called_);
 132 }
 133
 134 TEST_F(ImageFetcherTest, TestGoodWebP) {
 135   net::TestURLFetcher* fetcher = SetupFetcher();
 136   fetcher->set_response_code(200);
 137   fetcher->SetResponseString(
 138       std::string((char*)kWEBPImage, sizeof(kWEBPImage)));
 139   scoped_refptr<net::HttpResponseHeaders> headers(new net::HttpResponseHeaders(
 140       std::string(kWEBPHeaderResponse, arraysize(kWEBPHeaderResponse))));
 141   fetcher->set_response_headers(headers);
 142   fetcher->delegate()->OnURLFetchComplete(fetcher);
 143   pool_->FlushForTesting();
 144   base::RunLoop().RunUntilIdle();
 145   EXPECT_NE(static_cast<UIImage*>(nil), result_);
 146   EXPECT_TRUE(called_);
 147 }
 148
 149 TEST_F(ImageFetcherTest, TestBadWebP) {
 150   net::TestURLFetcher* fetcher = SetupFetcher();
 151   fetcher->set_response_code(200);
 152   fetcher->SetResponseString("This is not a valid WebP image");
 153   scoped_refptr<net::HttpResponseHeaders> headers(new net::HttpResponseHeaders(
 154       std::string(kWEBPHeaderResponse, arraysize(kWEBPHeaderResponse))));
 155   fetcher->set_response_headers(headers);
 156   fetcher->delegate()->OnURLFetchComplete(fetcher);
 157   pool_->FlushForTesting();
 158   base::RunLoop().RunUntilIdle();
 159   EXPECT_EQ(static_cast<UIImage*>(nil), result_);
 160   EXPECT_TRUE(called_);
 161 }
 162
 163 TEST_F(ImageFetcherTest, DeleteDuringWebPDecoding) {
 164   net::TestURLFetcher* fetcher = SetupFetcher();
 165   fetcher->set_response_code(200);
 166   fetcher->SetResponseString(
 167       std::string((char*)kWEBPImage, sizeof(kWEBPImage)));
 168   scoped_refptr<net::HttpResponseHeaders> headers(new net::HttpResponseHeaders(
 169       std::string(kWEBPHeaderResponse, arraysize(kWEBPHeaderResponse))));
 170   fetcher->set_response_headers(headers);
 171   fetcher->delegate()->OnURLFetchComplete(fetcher);
 172   // Delete the image fetcher, and check that the callback is not called.
 173   image_fetcher_.reset();
 174   pool_->FlushForTesting();
 175   base::RunLoop().RunUntilIdle();
 176   EXPECT_EQ(static_cast<UIImage*>(nil), result_);
 177   EXPECT_FALSE(called_);
 178 }
 179
 180 TEST_F(ImageFetcherTest, TestCallbacksNotCalledDuringDeletion) {
 181   image_fetcher_->StartDownload(GURL(kTestUrl), callback_);
 182   image_fetcher_.reset();
 183   EXPECT_FALSE(called_);
 184 }
 185