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// Copyright 2015 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 "components/favicon/core/large_icon_service.h"
#include <deque>
#include <memory>
#include "base/bind.h"
#include "base/macros.h"
#include "base/memory/ref_counted_memory.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/task/cancelable_task_tracker.h"
#include "base/threading/thread_task_runner_handle.h"
#include "components/favicon/core/favicon_client.h"
#include "components/favicon/core/test/mock_favicon_service.h"
#include "components/favicon_base/fallback_icon_style.h"
#include "components/favicon_base/favicon_types.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/image/image.h"
#include "url/gurl.h"
namespace favicon {
namespace {
using testing::_;
const char kDummyUrl[] = "http://www.example.com";
const char kDummyIconUrl[] = "http://www.example.com/touch_icon.png";
const SkColor kTestColor = SK_ColorRED;
favicon_base::FaviconRawBitmapResult CreateTestBitmap(
int w, int h, SkColor color) {
favicon_base::FaviconRawBitmapResult result;
result.expired = false;
// Create bitmap and fill with |color|.
scoped_refptr<base::RefCountedBytes> data(new base::RefCountedBytes());
SkBitmap bitmap;
bitmap.allocN32Pixels(w, h);
bitmap.eraseColor(color);
gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, false, &data->data());
result.bitmap_data = data;
result.pixel_size = gfx::Size(w, h);
result.icon_url = GURL(kDummyIconUrl);
result.icon_type = favicon_base::TOUCH_ICON;
CHECK(result.is_valid());
return result;
}
class LargeIconServiceTest : public testing::Test {
public:
LargeIconServiceTest()
: large_icon_service_(&mock_favicon_service_,
base::ThreadTaskRunnerHandle::Get()),
is_callback_invoked_(false) {}
~LargeIconServiceTest() override {
}
void ResultCallback(const favicon_base::LargeIconResult& result) {
is_callback_invoked_ = true;
// Checking presence and absence of results.
EXPECT_EQ(expected_bitmap_.is_valid(), result.bitmap.is_valid());
EXPECT_EQ(expected_fallback_icon_style_ != nullptr,
result.fallback_icon_style != nullptr);
if (expected_bitmap_.is_valid()) {
EXPECT_EQ(expected_bitmap_.pixel_size, result.bitmap.pixel_size);
// Not actually checking bitmap content.
}
if (expected_fallback_icon_style_.get()) {
EXPECT_EQ(*expected_fallback_icon_style_,
*result.fallback_icon_style);
}
}
void InjectMockResult(
const GURL& page_url,
const favicon_base::FaviconRawBitmapResult& mock_result) {
EXPECT_CALL(mock_favicon_service_,
GetLargestRawFaviconForPageURL(page_url, _, _, _, _))
.WillOnce(PostReply<5>(mock_result));
}
protected:
base::MessageLoopForIO loop_;
testing::StrictMock<MockFaviconService> mock_favicon_service_;
LargeIconService large_icon_service_;
base::CancelableTaskTracker cancelable_task_tracker_;
favicon_base::FaviconRawBitmapResult expected_bitmap_;
std::unique_ptr<favicon_base::FallbackIconStyle>
expected_fallback_icon_style_;
bool is_callback_invoked_;
private:
DISALLOW_COPY_AND_ASSIGN(LargeIconServiceTest);
};
TEST_F(LargeIconServiceTest, SameSize) {
InjectMockResult(GURL(kDummyUrl), CreateTestBitmap(24, 24, kTestColor));
expected_bitmap_ = CreateTestBitmap(24, 24, kTestColor);
large_icon_service_.GetLargeIconOrFallbackStyle(
GURL(kDummyUrl),
24, // |min_source_size_in_pixel|
24, // |desired_size_in_pixel|
base::Bind(&LargeIconServiceTest::ResultCallback, base::Unretained(this)),
&cancelable_task_tracker_);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_callback_invoked_);
}
TEST_F(LargeIconServiceTest, ScaleDown) {
InjectMockResult(GURL(kDummyUrl), CreateTestBitmap(32, 32, kTestColor));
expected_bitmap_ = CreateTestBitmap(24, 24, kTestColor);
large_icon_service_.GetLargeIconOrFallbackStyle(
GURL(kDummyUrl), 24, 24,
base::Bind(&LargeIconServiceTest::ResultCallback, base::Unretained(this)),
&cancelable_task_tracker_);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_callback_invoked_);
}
TEST_F(LargeIconServiceTest, ScaleUp) {
InjectMockResult(GURL(kDummyUrl), CreateTestBitmap(16, 16, kTestColor));
expected_bitmap_ = CreateTestBitmap(24, 24, kTestColor);
large_icon_service_.GetLargeIconOrFallbackStyle(
GURL(kDummyUrl),
14, // Lowered requirement so stored bitmap is admitted.
24,
base::Bind(&LargeIconServiceTest::ResultCallback, base::Unretained(this)),
&cancelable_task_tracker_);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_callback_invoked_);
}
// |desired_size_in_pixel| == 0 means retrieve original image without scaling.
TEST_F(LargeIconServiceTest, NoScale) {
InjectMockResult(GURL(kDummyUrl), CreateTestBitmap(24, 24, kTestColor));
expected_bitmap_ = CreateTestBitmap(24, 24, kTestColor);
large_icon_service_.GetLargeIconOrFallbackStyle(
GURL(kDummyUrl), 16, 0,
base::Bind(&LargeIconServiceTest::ResultCallback, base::Unretained(this)),
&cancelable_task_tracker_);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_callback_invoked_);
}
TEST_F(LargeIconServiceTest, FallbackSinceIconTooSmall) {
InjectMockResult(GURL(kDummyUrl), CreateTestBitmap(16, 16, kTestColor));
expected_fallback_icon_style_.reset(new favicon_base::FallbackIconStyle);
expected_fallback_icon_style_->background_color = kTestColor;
expected_fallback_icon_style_->is_default_background_color = false;
large_icon_service_.GetLargeIconOrFallbackStyle(
GURL(kDummyUrl), 24, 24,
base::Bind(&LargeIconServiceTest::ResultCallback, base::Unretained(this)),
&cancelable_task_tracker_);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_callback_invoked_);
}
TEST_F(LargeIconServiceTest, FallbackSinceIconNotSquare) {
InjectMockResult(GURL(kDummyUrl), CreateTestBitmap(24, 32, kTestColor));
expected_fallback_icon_style_.reset(new favicon_base::FallbackIconStyle);
expected_fallback_icon_style_->background_color = kTestColor;
expected_fallback_icon_style_->is_default_background_color = false;
large_icon_service_.GetLargeIconOrFallbackStyle(
GURL(kDummyUrl), 24, 24,
base::Bind(&LargeIconServiceTest::ResultCallback, base::Unretained(this)),
&cancelable_task_tracker_);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_callback_invoked_);
}
TEST_F(LargeIconServiceTest, FallbackSinceIconMissing) {
InjectMockResult(GURL(kDummyUrl), favicon_base::FaviconRawBitmapResult());
// Expect default fallback style, including background.
expected_fallback_icon_style_.reset(new favicon_base::FallbackIconStyle);
large_icon_service_.GetLargeIconOrFallbackStyle(
GURL(kDummyUrl), 24, 24,
base::Bind(&LargeIconServiceTest::ResultCallback, base::Unretained(this)),
&cancelable_task_tracker_);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_callback_invoked_);
}
TEST_F(LargeIconServiceTest, FallbackSinceIconMissingNoScale) {
InjectMockResult(GURL(kDummyUrl), favicon_base::FaviconRawBitmapResult());
// Expect default fallback style, including background.
expected_fallback_icon_style_.reset(new favicon_base::FallbackIconStyle);
large_icon_service_.GetLargeIconOrFallbackStyle(
GURL(kDummyUrl), 24, 0,
base::Bind(&LargeIconServiceTest::ResultCallback, base::Unretained(this)),
&cancelable_task_tracker_);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_callback_invoked_);
}
// Oddball case where we demand a high resolution icon to scale down. Generates
// fallback even though an icon with the final size is available.
TEST_F(LargeIconServiceTest, FallbackSinceTooPicky) {
InjectMockResult(GURL(kDummyUrl), CreateTestBitmap(24, 24, kTestColor));
expected_fallback_icon_style_.reset(new favicon_base::FallbackIconStyle);
expected_fallback_icon_style_->background_color = kTestColor;
expected_fallback_icon_style_->is_default_background_color = false;
large_icon_service_.GetLargeIconOrFallbackStyle(
GURL(kDummyUrl), 32, 24,
base::Bind(&LargeIconServiceTest::ResultCallback, base::Unretained(this)),
&cancelable_task_tracker_);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_callback_invoked_);
}
} // namespace
} // namespace favicon
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