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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/renderer_context_menu/accessibility_labels_menu_observer.h"
#include <memory>
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/renderer_context_menu/mock_render_view_context_menu.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_accessibility_state.h"
#include "content/public/browser/context_menu_params.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/scoped_accessibility_mode_override.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// A test class for accessibility labels. This test should be a browser test
// because it accesses resources.
class AccessibilityLabelsMenuObserverTest : public InProcessBrowserTest {
public:
AccessibilityLabelsMenuObserverTest();
// InProcessBrowserTest overrides:
void SetUpOnMainThread() override { Reset(false); }
void TearDownOnMainThread() override {
observer_.reset();
menu_.reset();
}
void Reset(bool incognito) {
observer_.reset();
menu_ = std::make_unique<MockRenderViewContextMenu>(incognito);
observer_ = std::make_unique<AccessibilityLabelsMenuObserver>(menu_.get());
menu_->SetObserver(observer_.get());
}
void InitMenu() {
content::ContextMenuParams params;
observer_->InitMenu(params);
}
AccessibilityLabelsMenuObserverTest(
const AccessibilityLabelsMenuObserverTest&) = delete;
AccessibilityLabelsMenuObserverTest& operator=(
const AccessibilityLabelsMenuObserverTest&) = delete;
~AccessibilityLabelsMenuObserverTest() override;
MockRenderViewContextMenu* menu() { return menu_.get(); }
AccessibilityLabelsMenuObserver* observer() { return observer_.get(); }
private:
std::unique_ptr<AccessibilityLabelsMenuObserver> observer_;
std::unique_ptr<MockRenderViewContextMenu> menu_;
};
AccessibilityLabelsMenuObserverTest::AccessibilityLabelsMenuObserverTest() =
default;
AccessibilityLabelsMenuObserverTest::~AccessibilityLabelsMenuObserverTest() =
default;
} // namespace
// Tests that opening a context menu does not show the menu option if a
// screen reader is not enabled, regardless of the image labels setting.
// TODO(https://crbug.com/410751413): Deleting temporary directories using
// test_file_util is flaky on Windows.
#if BUILDFLAG(IS_WIN)
#define MAYBE_AccessibilityLabelsNotShownWithoutScreenReader \
DISABLED_AccessibilityLabelsNotShownWithoutScreenReader
#else
#define MAYBE_AccessibilityLabelsNotShownWithoutScreenReader \
AccessibilityLabelsNotShownWithoutScreenReader
#endif
IN_PROC_BROWSER_TEST_F(AccessibilityLabelsMenuObserverTest,
MAYBE_AccessibilityLabelsNotShownWithoutScreenReader) {
menu()->GetPrefs()->SetBoolean(prefs::kAccessibilityImageLabelsEnabled,
false);
InitMenu();
EXPECT_EQ(0u, menu()->GetMenuSize());
menu()->GetPrefs()->SetBoolean(prefs::kAccessibilityImageLabelsEnabled, true);
InitMenu();
EXPECT_EQ(0u, menu()->GetMenuSize());
}
// TODO(https://crbug.com/410751413): Deleting temporary directories using
// test_file_util is flaky on Windows.
#if BUILDFLAG(IS_WIN)
#define MAYBE_AccessibilityLabelsShowWithScreenReaderEnabled \
DISABLED_AccessibilityLabelsShowWithScreenReaderEnabled
#else
#define MAYBE_AccessibilityLabelsShowWithScreenReaderEnabled \
AccessibilityLabelsShowWithScreenReaderEnabled
#endif
IN_PROC_BROWSER_TEST_F(AccessibilityLabelsMenuObserverTest,
MAYBE_AccessibilityLabelsShowWithScreenReaderEnabled) {
// Spoof a screen reader.
content::ScopedAccessibilityModeOverride screen_reader_mode(
ui::AXMode::kScreenReader);
menu()->GetPrefs()->SetBoolean(prefs::kAccessibilityImageLabelsEnabled,
false);
InitMenu();
// Shows but is not checked.
ASSERT_EQ(3u, menu()->GetMenuSize());
MockRenderViewContextMenu::MockMenuItem item;
menu()->GetMenuItem(0, &item);
EXPECT_EQ(IDC_CONTENT_CONTEXT_ACCESSIBILITY_LABELS, item.command_id);
EXPECT_TRUE(item.enabled);
EXPECT_FALSE(item.checked);
EXPECT_FALSE(item.hidden);
// The submenu items exist.
menu()->GetMenuItem(1, &item);
EXPECT_EQ(IDC_CONTENT_CONTEXT_ACCESSIBILITY_LABELS_TOGGLE, item.command_id);
EXPECT_TRUE(item.enabled);
EXPECT_FALSE(item.checked);
EXPECT_FALSE(item.hidden);
menu()->GetMenuItem(2, &item);
EXPECT_EQ(IDC_CONTENT_CONTEXT_ACCESSIBILITY_LABELS_TOGGLE_ONCE,
item.command_id);
EXPECT_TRUE(item.enabled);
EXPECT_FALSE(item.checked);
EXPECT_FALSE(item.hidden);
Reset(false);
// Shows and is checked when a screen reader and the setting are both on.
menu()->GetPrefs()->SetBoolean(prefs::kAccessibilityImageLabelsEnabled, true);
InitMenu();
ASSERT_EQ(1u, menu()->GetMenuSize());
menu()->GetMenuItem(0, &item);
EXPECT_EQ(IDC_CONTENT_CONTEXT_ACCESSIBILITY_LABELS_TOGGLE, item.command_id);
EXPECT_TRUE(item.enabled);
EXPECT_TRUE(item.checked);
EXPECT_FALSE(item.hidden);
}
// TODO: Test kAccessibilityImageLabelsOptInAccepted doesn't show the bubble,
// probably need a mock bubble class or similar.
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