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// Copyright 2014 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.
#include "chrome/browser/search/suggestions/image_fetcher_impl.h"
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/memory/scoped_ptr.h"
#include "base/run_loop.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "components/suggestions/image_fetcher_delegate.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
class SkBitmap;
namespace suggestions {
namespace {
const char kTestUrl[] = "http://go.com/";
const char kTestImagePath[] = "/image_decoding/droids.png";
const char kInvalidImagePath[] = "/DOESNOTEXIST";
const base::FilePath::CharType kDocRoot[] =
FILE_PATH_LITERAL("chrome/test/data");
class TestImageFetcherDelegate : public ImageFetcherDelegate {
public:
TestImageFetcherDelegate()
: num_delegate_valid_called_(0),
num_delegate_null_called_(0) {}
~TestImageFetcherDelegate() override{};
// Perform additional tasks when an image has been fetched.
void OnImageFetched(const GURL& url, const SkBitmap* bitmap) override {
if (bitmap) {
num_delegate_valid_called_++;
} else {
num_delegate_null_called_++;
}
};
int num_delegate_valid_called() { return num_delegate_valid_called_; }
int num_delegate_null_called() { return num_delegate_null_called_; }
private:
int num_delegate_valid_called_;
int num_delegate_null_called_;
};
} // end namespace
class ImageFetcherImplBrowserTest : public InProcessBrowserTest {
protected:
ImageFetcherImplBrowserTest()
: num_callback_valid_called_(0), num_callback_null_called_(0) {
test_server_.ServeFilesFromSourceDirectory(base::FilePath(kDocRoot));
}
void SetUpInProcessBrowserTestFixture() override {
ASSERT_TRUE(test_server_.Start());
InProcessBrowserTest::SetUpInProcessBrowserTestFixture();
}
ImageFetcherImpl* CreateImageFetcher() {
ImageFetcherImpl* fetcher =
new ImageFetcherImpl(browser()->profile()->GetRequestContext());
fetcher->SetImageFetcherDelegate(&delegate_);
return fetcher;
}
void OnImageAvailable(base::RunLoop* loop,
const GURL& url,
const SkBitmap* bitmap) {
if (bitmap) {
num_callback_valid_called_++;
} else {
num_callback_null_called_++;
}
loop->Quit();
}
void StartOrQueueNetworkRequestHelper(const GURL& image_url) {
scoped_ptr<ImageFetcherImpl> image_fetcher_(CreateImageFetcher());
base::RunLoop run_loop;
image_fetcher_->StartOrQueueNetworkRequest(
GURL(kTestUrl),
image_url,
base::Bind(&ImageFetcherImplBrowserTest::OnImageAvailable,
base::Unretained(this), &run_loop));
run_loop.Run();
}
int num_callback_valid_called_;
int num_callback_null_called_;
net::EmbeddedTestServer test_server_;
TestImageFetcherDelegate delegate_;
DISALLOW_COPY_AND_ASSIGN(ImageFetcherImplBrowserTest);
};
IN_PROC_BROWSER_TEST_F(ImageFetcherImplBrowserTest, NormalFetch) {
GURL image_url(test_server_.GetURL(kTestImagePath).spec());
StartOrQueueNetworkRequestHelper(image_url);
EXPECT_EQ(1, num_callback_valid_called_);
EXPECT_EQ(0, num_callback_null_called_);
EXPECT_EQ(1, delegate_.num_delegate_valid_called());
EXPECT_EQ(0, delegate_.num_delegate_null_called());
}
IN_PROC_BROWSER_TEST_F(ImageFetcherImplBrowserTest, MultipleFetch) {
GURL image_url(test_server_.GetURL(kTestImagePath).spec());
for (int i = 0; i < 5; i++) {
StartOrQueueNetworkRequestHelper(image_url);
}
EXPECT_EQ(5, num_callback_valid_called_);
EXPECT_EQ(0, num_callback_null_called_);
EXPECT_EQ(5, delegate_.num_delegate_valid_called());
EXPECT_EQ(0, delegate_.num_delegate_null_called());
}
IN_PROC_BROWSER_TEST_F(ImageFetcherImplBrowserTest, InvalidFetch) {
GURL invalid_image_url(test_server_.GetURL(kInvalidImagePath).spec());
StartOrQueueNetworkRequestHelper(invalid_image_url);
EXPECT_EQ(0, num_callback_valid_called_);
EXPECT_EQ(1, num_callback_null_called_);
EXPECT_EQ(0, delegate_.num_delegate_valid_called());
EXPECT_EQ(1, delegate_.num_delegate_null_called());
}
} // namespace suggestions
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