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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <optional>
#include "base/i18n/base_i18n_switches.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/browser/ui/ash/input_method/candidate_view.h"
#include "chrome/browser/ui/ash/input_method/candidate_window_view.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/test/view_skia_gold_pixel_diff.h"
#include "ui/views/test/widget_test.h"
#include "ui/views/widget/widget.h"
namespace ui {
namespace ime {
namespace {
constexpr char kScreenshotPrefix[] =
"input_method.CandidateWindowViewPixelBrowserTest";
void InitCandidateWindow(size_t page_size, CandidateWindow* candidate_window) {
candidate_window->set_cursor_position(0);
candidate_window->set_page_size(page_size);
candidate_window->mutable_candidates()->clear();
candidate_window->set_orientation(CandidateWindow::VERTICAL);
}
void InitCandidateWindowWithCandidatesFilled(
size_t page_size,
CandidateWindow* candidate_window) {
InitCandidateWindow(page_size, candidate_window);
for (size_t i = 0; i < page_size; ++i) {
CandidateWindow::Entry entry;
entry.value = u"value " + base::NumberToString16(i);
entry.label = base::NumberToString16(i);
entry.annotation = u"ann" + base::NumberToString16(i);
candidate_window->mutable_candidates()->push_back(entry);
}
}
// To run a pixel test locally:
//
// browser_tests --gtest_filter="*CandidateWindowViewPixelBrowserTest.*"
// --enable-pixel-output-in-tests
// --browser-ui-tests-verify-pixels
// --skia-gold-local-png-write-directory=/tmp/qa_pixel_test
class CandidateWindowViewPixelBrowserTest : public InProcessBrowserTest {
public:
// InProcessBrowserTest:
void SetUpCommandLine(base::CommandLine* command_line) override {
InProcessBrowserTest::SetUpCommandLine(command_line);
if (!command_line->HasSwitch(switches::kVerifyPixels)) {
GTEST_SKIP() << "A pixel test requires kVerifyPixels flag.";
}
pixel_diff_.emplace(kScreenshotPrefix);
}
protected:
std::optional<views::ViewSkiaGoldPixelDiff> pixel_diff_;
};
IN_PROC_BROWSER_TEST_F(CandidateWindowViewPixelBrowserTest, Render) {
CandidateWindowView view(BrowserView::GetBrowserViewForBrowser(browser())
->GetWidget()
->GetNativeView());
CandidateWindow candidate_window;
views::Widget* widget = view.InitWidget();
const int candidate_window_size = 9;
InitCandidateWindowWithCandidatesFilled(candidate_window_size,
&candidate_window);
view.UpdateCandidates(candidate_window);
view.ShowLookupTable();
widget->Show();
views::test::WidgetVisibleWaiter(widget).Wait();
EXPECT_TRUE(pixel_diff_->CompareViewScreenshot("CandidateWindowView", &view));
widget->CloseNow();
}
} // namespace
} // namespace ime
} // namespace ui
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