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// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ios/chrome/browser/net/image_fetcher.h"
#import <UIKit/UIKit.h>
#include "base/ios/ios_util.h"
#include "base/mac/scoped_block.h"
#include "base/memory/ref_counted.h"
#include "base/run_loop.h"
#include "base/thread_task_runner_handle.h"
#include "net/http/http_response_headers.h"
#include "net/url_request/test_url_fetcher_factory.h"
#include "net/url_request/url_request_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace {
static unsigned char kJPGImage[] = {
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,
114,101,97,116,101,100,32,119,105,116,104,32,71,73,77,80,255,219,0,67,
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,
17,15,17,17,19,22,28,23,19,20,26,21,17,17,24,33,24,26,29,29,31,31,31,
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,
30,20,17,20,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,
30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,
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,
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,
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,
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,
0,12,3,1,0,2,17,3,17,0,63,0,178,192,7,255,217
};
static unsigned char kPNGImage[] = {
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,
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,
89,115,0,0,11,18,0,0,11,18,1,210,221,126,252,0,0,0,9,118,112,65,103,0,
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,
0,130,0,129,221,67,106,244,0,0,0,25,116,69,88,116,99,111,109,109,101,
110,116,0,67,114,101,97,116,101,100,32,119,105,116,104,32,71,73,77,80,
231,175,64,203,0,0,0,37,116,69,88,116,100,97,116,101,58,99,114,101,97,
116,101,0,50,48,49,49,45,48,54,45,50,50,84,49,54,58,49,54,58,52,54,43,
48,50,58,48,48,31,248,231,223,0,0,0,37,116,69,88,116,100,97,116,101,58,
109,111,100,105,102,121,0,50,48,49,49,45,48,54,45,50,50,84,49,54,58,49,
54,58,52,54,43,48,50,58,48,48,110,165,95,99,0,0,0,17,116,69,88,116,106,
112,101,103,58,99,111,108,111,114,115,112,97,99,101,0,50,44,117,85,159,
0,0,0,32,116,69,88,116,106,112,101,103,58,115,97,109,112,108,105,110,
103,45,102,97,99,116,111,114,0,50,120,50,44,49,120,49,44,49,120,49,73,
250,166,180,0,0,0,0,73,69,78,68,174,66,96,130
};
static unsigned char kWEBPImage[] = {
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,
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,
48,1,0,157,1,42,1,0,1,0,3,0,52,37,164,0,3,112,0,254,251,253,80,0
};
static const char kTestUrl[] = "http://www.img.com";
static const char kWEBPHeaderResponse[] =
"HTTP/1.1 200 OK\0Content-type: image/webp\0\0";
} // namespace
// TODO(ios): remove the static_cast<UIImage*>(nil) once all the bots have
// Xcode 6.0 or later installed, http://crbug.com/440857
class ImageFetcherTest : public PlatformTest {
protected:
ImageFetcherTest()
: pool_(new base::SequencedWorkerPool(1, "TestPool")),
image_fetcher_(new image_fetcher::ImageFetcher(pool_)),
result_(nil),
called_(false) {
callback_.reset(
[^(const GURL& original_url, int http_response_code, NSData* data) {
result_ = [UIImage imageWithData:data];
called_ = true;
} copy]);
image_fetcher_->SetRequestContextGetter(
new net::TestURLRequestContextGetter(
base::ThreadTaskRunnerHandle::Get()));
}
~ImageFetcherTest() override { pool_->Shutdown(); }
net::TestURLFetcher* SetupFetcher() {
image_fetcher_->StartDownload(GURL(kTestUrl), callback_);
EXPECT_EQ(static_cast<UIImage*>(nil), result_);
EXPECT_EQ(false, called_);
net::TestURLFetcher* fetcher = factory_.GetFetcherByID(0);
DCHECK(fetcher);
DCHECK(fetcher->delegate());
return fetcher;
}
base::MessageLoop loop_;
base::mac::ScopedBlock<image_fetcher::ImageFetchedCallback> callback_;
net::TestURLFetcherFactory factory_;
scoped_refptr<base::SequencedWorkerPool> pool_;
scoped_ptr<image_fetcher::ImageFetcher> image_fetcher_;
UIImage* result_;
bool called_;
};
TEST_F(ImageFetcherTest, TestError) {
net::TestURLFetcher* fetcher = SetupFetcher();
fetcher->set_response_code(404);
fetcher->delegate()->OnURLFetchComplete(fetcher);
EXPECT_EQ(static_cast<UIImage*>(nil), result_);
EXPECT_TRUE(called_);
}
TEST_F(ImageFetcherTest, TestJpg) {
net::TestURLFetcher* fetcher = SetupFetcher();
fetcher->set_response_code(200);
fetcher->SetResponseString(std::string((char*)kJPGImage, sizeof(kJPGImage)));
fetcher->delegate()->OnURLFetchComplete(fetcher);
EXPECT_NE(static_cast<UIImage*>(nil), result_);
EXPECT_TRUE(called_);
}
TEST_F(ImageFetcherTest, TestPng) {
net::TestURLFetcher* fetcher = SetupFetcher();
fetcher->set_response_code(200);
fetcher->SetResponseString(std::string((char*)kPNGImage, sizeof(kPNGImage)));
fetcher->delegate()->OnURLFetchComplete(fetcher);
EXPECT_NE(static_cast<UIImage*>(nil), result_);
EXPECT_TRUE(called_);
}
TEST_F(ImageFetcherTest, TestGoodWebP) {
// TODO(droger): This test fails on iOS 9 x64 devices. http://crbug.com/523235
#if defined(OS_IOS) && defined(ARCH_CPU_ARM64) && !TARGET_IPHONE_SIMULATOR
if (base::ios::IsRunningOnIOS9OrLater())
return;
#endif
net::TestURLFetcher* fetcher = SetupFetcher();
fetcher->set_response_code(200);
fetcher->SetResponseString(
std::string((char*)kWEBPImage, sizeof(kWEBPImage)));
scoped_refptr<net::HttpResponseHeaders> headers(new net::HttpResponseHeaders(
std::string(kWEBPHeaderResponse, arraysize(kWEBPHeaderResponse))));
fetcher->set_response_headers(headers);
fetcher->delegate()->OnURLFetchComplete(fetcher);
pool_->FlushForTesting();
base::RunLoop().RunUntilIdle();
EXPECT_NE(static_cast<UIImage*>(nil), result_);
EXPECT_TRUE(called_);
}
TEST_F(ImageFetcherTest, TestBadWebP) {
net::TestURLFetcher* fetcher = SetupFetcher();
fetcher->set_response_code(200);
fetcher->SetResponseString("This is not a valid WebP image");
scoped_refptr<net::HttpResponseHeaders> headers(new net::HttpResponseHeaders(
std::string(kWEBPHeaderResponse, arraysize(kWEBPHeaderResponse))));
fetcher->set_response_headers(headers);
fetcher->delegate()->OnURLFetchComplete(fetcher);
pool_->FlushForTesting();
base::RunLoop().RunUntilIdle();
EXPECT_EQ(static_cast<UIImage*>(nil), result_);
EXPECT_TRUE(called_);
}
TEST_F(ImageFetcherTest, DeleteDuringWebPDecoding) {
net::TestURLFetcher* fetcher = SetupFetcher();
fetcher->set_response_code(200);
fetcher->SetResponseString(
std::string((char*)kWEBPImage, sizeof(kWEBPImage)));
scoped_refptr<net::HttpResponseHeaders> headers(new net::HttpResponseHeaders(
std::string(kWEBPHeaderResponse, arraysize(kWEBPHeaderResponse))));
fetcher->set_response_headers(headers);
fetcher->delegate()->OnURLFetchComplete(fetcher);
// Delete the image fetcher, and check that the callback is not called.
image_fetcher_.reset();
pool_->FlushForTesting();
base::RunLoop().RunUntilIdle();
EXPECT_EQ(static_cast<UIImage*>(nil), result_);
EXPECT_FALSE(called_);
}
TEST_F(ImageFetcherTest, TestCallbacksNotCalledDuringDeletion) {
image_fetcher_->StartDownload(GURL(kTestUrl), callback_);
image_fetcher_.reset();
EXPECT_FALSE(called_);
}
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