content/browser/accessibility/browser_accessibility_auralinux_unittest.cc - chromium/src - Git at Google

 // Copyright (c) 2018 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 "content/browser/accessibility/browser_accessibility_auralinux.h"

 #include <atk/atk.h>
 #include <memory>
 #include <string>
 #include <vector>

 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/test_browser_accessibility_delegate.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/accessibility/platform/ax_platform_node_auralinux.h"

 namespace content {

 class BrowserAccessibilityAuraLinuxTest : public testing::Test {
  public:
   BrowserAccessibilityAuraLinuxTest();
   ~BrowserAccessibilityAuraLinuxTest() override;

  protected:
   std::unique_ptr<TestBrowserAccessibilityDelegate>
       test_browser_accessibility_delegate_;

  private:
   void SetUp() override;

   content::TestBrowserThreadBundle thread_bundle_;

   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityAuraLinuxTest);
 };

 BrowserAccessibilityAuraLinuxTest::BrowserAccessibilityAuraLinuxTest() {}

 BrowserAccessibilityAuraLinuxTest::~BrowserAccessibilityAuraLinuxTest() {}

 void BrowserAccessibilityAuraLinuxTest::SetUp() {
   test_browser_accessibility_delegate_ =
       std::make_unique<TestBrowserAccessibilityDelegate>();
 }

 TEST_F(BrowserAccessibilityAuraLinuxTest, TestSimpleAtkText) {
   ui::AXNodeData root_data;
   root_data.id = 1;
   root_data.role = ax::mojom::Role::kStaticText;
   root_data.SetName("\xE2\x98\xBA Multiple Words");

   std::unique_ptr<BrowserAccessibilityManager> manager(
       BrowserAccessibilityManager::Create(
           MakeAXTreeUpdate(root_data),
           test_browser_accessibility_delegate_.get(),
           new BrowserAccessibilityFactory()));

   ui::AXPlatformNodeAuraLinux* root_obj =
       ToBrowserAccessibilityAuraLinux(manager->GetRoot())->GetNode();
   AtkObject* root_atk_object(root_obj->GetNativeViewAccessible());
   ASSERT_TRUE(ATK_IS_OBJECT(root_atk_object));
   ASSERT_TRUE(ATK_IS_TEXT(root_atk_object));
   g_object_ref(root_atk_object);

   AtkText* atk_text = ATK_TEXT(root_atk_object);

   auto verify_atk_text_contents = [&](const char* expected_text,
                                       int start_offset, int end_offset) {
     gchar* text = atk_text_get_text(atk_text, start_offset, end_offset);
     EXPECT_STREQ(expected_text, text);
     g_free(text);
   };

   verify_atk_text_contents("\xE2\x98\xBA Multiple Words", 0, -1);
   verify_atk_text_contents("Multiple Words", 2, -1);
   verify_atk_text_contents("\xE2\x98\xBA", 0, 1);

   EXPECT_EQ(16, atk_text_get_character_count(atk_text));

   g_object_unref(root_atk_object);

   manager.reset();
 }

 TEST_F(BrowserAccessibilityAuraLinuxTest, TestCompositeAtkText) {
   const std::string text1_name = "One two three.";
   const std::string text2_name = " Four five six.";
   const int text_name_len = text1_name.length() + text2_name.length();

   ui::AXNodeData text1;
   text1.id = 11;
   text1.role = ax::mojom::Role::kStaticText;
   text1.SetName(text1_name);

   ui::AXNodeData text2;
   text2.id = 12;
   text2.role = ax::mojom::Role::kStaticText;
   text2.SetName(text2_name);

   ui::AXNodeData root;
   root.id = 1;
   root.role = ax::mojom::Role::kRootWebArea;
   root.child_ids.push_back(text1.id);
   root.child_ids.push_back(text2.id);

   std::unique_ptr<BrowserAccessibilityManager> manager(
       BrowserAccessibilityManager::Create(
           MakeAXTreeUpdate(root, text1, text2),
           test_browser_accessibility_delegate_.get(),
           new BrowserAccessibilityFactory()));

   ui::AXPlatformNodeAuraLinux* root_obj =
       ToBrowserAccessibilityAuraLinux(manager->GetRoot())->GetNode();
   AtkObject* root_atk_object(root_obj->GetNativeViewAccessible());

   ASSERT_TRUE(ATK_IS_OBJECT(root_atk_object));
   ASSERT_TRUE(ATK_IS_TEXT(root_atk_object));
   g_object_ref(root_atk_object);
   AtkText* atk_text = ATK_TEXT(root_atk_object);

   EXPECT_EQ(text_name_len, atk_text_get_character_count(atk_text));

   gchar* text = atk_text_get_text(atk_text, 0, -1);
   EXPECT_STREQ((text1_name + text2_name).c_str(), text);
   g_free(text);

   ASSERT_TRUE(ATK_IS_HYPERTEXT(root_atk_object));
   AtkHypertext* atk_hypertext = ATK_HYPERTEXT(root_atk_object);

   // There should be no hyperlinks in the node and trying to get one should
   // always return -1.
   EXPECT_EQ(0, atk_hypertext_get_n_links(atk_hypertext));
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 0));
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, -1));
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 1));

   g_object_unref(root_atk_object);

   manager.reset();
 }

 TEST_F(BrowserAccessibilityAuraLinuxTest, TestComplexHypertext) {
   const std::string text1_name = "One two three.";
   const std::string combo_box_name = "City:";
   const std::string combo_box_value = "Happyland";
   const std::string text2_name = " Four five six.";
   const std::string check_box_name = "I agree";
   const std::string check_box_value = "Checked";
   const std::string button_text_name = "Red";
   const std::string link_text_name = "Blue";
   // Each control (combo / check box, button and link) will be represented by an
   // embedded object character.
   const base::string16 string16_embed(
       1, ui::AXPlatformNodeAuraLinux::kEmbeddedCharacter);
   const std::string embed = base::UTF16ToUTF8(string16_embed);
   const std::string root_hypertext =
       text1_name + embed + text2_name + embed + embed + embed;

   ui::AXNodeData text1;
   text1.id = 11;
   text1.role = ax::mojom::Role::kStaticText;
   text1.SetName(text1_name);

   ui::AXNodeData combo_box;
   combo_box.id = 12;
   combo_box.role = ax::mojom::Role::kTextFieldWithComboBox;
   combo_box.AddState(ax::mojom::State::kEditable);
   combo_box.SetName(combo_box_name);
   combo_box.SetValue(combo_box_value);

   ui::AXNodeData text2;
   text2.id = 13;
   text2.role = ax::mojom::Role::kStaticText;
   text2.SetName(text2_name);

   ui::AXNodeData check_box;
   check_box.id = 14;
   check_box.role = ax::mojom::Role::kCheckBox;
   check_box.SetCheckedState(ax::mojom::CheckedState::kTrue);
   check_box.SetName(check_box_name);
   check_box.SetValue(check_box_value);

   ui::AXNodeData button, button_text;
   button.id = 15;
   button_text.id = 17;
   button_text.SetName(button_text_name);
   button.role = ax::mojom::Role::kButton;
   button_text.role = ax::mojom::Role::kStaticText;
   button.child_ids.push_back(button_text.id);

   ui::AXNodeData link, link_text;
   link.id = 16;
   link_text.id = 18;
   link_text.SetName(link_text_name);
   link.role = ax::mojom::Role::kLink;
   link_text.role = ax::mojom::Role::kStaticText;
   link.child_ids.push_back(link_text.id);

   ui::AXNodeData root;
   root.id = 1;
   root.role = ax::mojom::Role::kRootWebArea;
   root.child_ids.push_back(text1.id);
   root.child_ids.push_back(combo_box.id);
   root.child_ids.push_back(text2.id);
   root.child_ids.push_back(check_box.id);
   root.child_ids.push_back(button.id);
   root.child_ids.push_back(link.id);

   std::unique_ptr<BrowserAccessibilityManager> manager(
       BrowserAccessibilityManager::Create(
           MakeAXTreeUpdate(root, text1, combo_box, text2, check_box, button,
                            button_text, link, link_text),
           test_browser_accessibility_delegate_.get(),
           new BrowserAccessibilityFactory()));

   ui::AXPlatformNodeAuraLinux* root_obj =
       ToBrowserAccessibilityAuraLinux(manager->GetRoot())->GetNode();
   AtkObject* root_atk_object(root_obj->GetNativeViewAccessible());

   ASSERT_TRUE(ATK_IS_OBJECT(root_atk_object));
   ASSERT_TRUE(ATK_IS_TEXT(root_atk_object));
   g_object_ref(root_atk_object);
   AtkText* atk_text = ATK_TEXT(root_atk_object);

   EXPECT_EQ(g_utf8_strlen(root_hypertext.c_str(), -1),
             atk_text_get_character_count(atk_text));

   gchar* text = atk_text_get_text(atk_text, 0, -1);
   EXPECT_STREQ(root_hypertext.c_str(), text);
   g_free(text);

   ASSERT_TRUE(ATK_IS_HYPERTEXT(root_atk_object));
   AtkHypertext* atk_hypertext = ATK_HYPERTEXT(root_atk_object);

   EXPECT_EQ(4, atk_hypertext_get_n_links(atk_hypertext));

   auto verify_atk_link_text = [&](const char* expected_text, int link_index,
                                   int expected_start_index) {
     AtkHyperlink* link = atk_hypertext_get_link(atk_hypertext, link_index);
     ASSERT_NE(nullptr, link);
     ASSERT_TRUE(ATK_IS_HYPERLINK(link));

     ASSERT_EQ(atk_hyperlink_get_start_index(link), expected_start_index);
     ASSERT_EQ(atk_hyperlink_get_end_index(link), expected_start_index + 1);

     AtkObject* object = atk_hyperlink_get_object(link, 0);
     ASSERT_TRUE(ATK_IS_TEXT(object));

     char* text = atk_text_get_text(ATK_TEXT(object), 0, -1);
     EXPECT_STREQ(expected_text, text);
     g_free(text);
   };

   AtkHyperlink* combo_box_link = atk_hypertext_get_link(atk_hypertext, 0);
   ASSERT_NE(nullptr, combo_box_link);
   ASSERT_TRUE(ATK_IS_HYPERLINK(combo_box_link));

   // Get the text of the combo box. It should be its value.
   verify_atk_link_text(combo_box_value.c_str(), 0, 14);

   // Get the text of the check box. It should be its name.
   verify_atk_link_text(check_box_name.c_str(), 1, 30);

   // Get the text of the button.
   verify_atk_link_text(button_text_name.c_str(), 2, 31);

   // Get the text of the link.
   verify_atk_link_text(link_text_name.c_str(), 3, 32);

   // Now test that all the object indices map back to the correct link indices.
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, -1));
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 0));
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 1));
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 5));
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 13));
   EXPECT_EQ(0, atk_hypertext_get_link_index(atk_hypertext, 14));
   EXPECT_EQ(1, atk_hypertext_get_link_index(atk_hypertext, 30));
   EXPECT_EQ(2, atk_hypertext_get_link_index(atk_hypertext, 31));
   EXPECT_EQ(3, atk_hypertext_get_link_index(atk_hypertext, 32));
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 33));
   EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 34));

   g_object_unref(root_atk_object);

   manager.reset();
 }

 }  // namespace content
	// Copyright (c) 2018 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 "content/browser/accessibility/browser_accessibility_auralinux.h"

	#include <atk/atk.h>
	#include <memory>
	#include <string>
	#include <vector>

	#include "content/browser/accessibility/browser_accessibility_manager.h"
	#include "content/browser/accessibility/test_browser_accessibility_delegate.h"
	#include "content/public/test/test_browser_thread_bundle.h"
	#include "testing/gtest/include/gtest/gtest.h"
	#include "ui/accessibility/platform/ax_platform_node_auralinux.h"

	namespace content {

	class BrowserAccessibilityAuraLinuxTest : public testing::Test {
	public:
	BrowserAccessibilityAuraLinuxTest();
	~BrowserAccessibilityAuraLinuxTest() override;

	protected:
	std::unique_ptr<TestBrowserAccessibilityDelegate>
	test_browser_accessibility_delegate_;

	private:
	void SetUp() override;

	content::TestBrowserThreadBundle thread_bundle_;

	DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityAuraLinuxTest);
	};

	BrowserAccessibilityAuraLinuxTest::BrowserAccessibilityAuraLinuxTest() {}

	BrowserAccessibilityAuraLinuxTest::~BrowserAccessibilityAuraLinuxTest() {}

	void BrowserAccessibilityAuraLinuxTest::SetUp() {
	test_browser_accessibility_delegate_ =
	std::make_unique<TestBrowserAccessibilityDelegate>();
	}

	TEST_F(BrowserAccessibilityAuraLinuxTest, TestSimpleAtkText) {
	ui::AXNodeData root_data;
	root_data.id = 1;
	root_data.role = ax::mojom::Role::kStaticText;
	root_data.SetName("\xE2\x98\xBA Multiple Words");

	std::unique_ptr<BrowserAccessibilityManager> manager(
	BrowserAccessibilityManager::Create(
	MakeAXTreeUpdate(root_data),
	test_browser_accessibility_delegate_.get(),
	new BrowserAccessibilityFactory()));

	ui::AXPlatformNodeAuraLinux* root_obj =
	ToBrowserAccessibilityAuraLinux(manager->GetRoot())->GetNode();
	AtkObject* root_atk_object(root_obj->GetNativeViewAccessible());
	ASSERT_TRUE(ATK_IS_OBJECT(root_atk_object));
	ASSERT_TRUE(ATK_IS_TEXT(root_atk_object));
	g_object_ref(root_atk_object);

	AtkText* atk_text = ATK_TEXT(root_atk_object);

	auto verify_atk_text_contents = [&](const char* expected_text,
	int start_offset, int end_offset) {
	gchar* text = atk_text_get_text(atk_text, start_offset, end_offset);
	EXPECT_STREQ(expected_text, text);
	g_free(text);
	};

	verify_atk_text_contents("\xE2\x98\xBA Multiple Words", 0, -1);
	verify_atk_text_contents("Multiple Words", 2, -1);
	verify_atk_text_contents("\xE2\x98\xBA", 0, 1);

	EXPECT_EQ(16, atk_text_get_character_count(atk_text));

	g_object_unref(root_atk_object);

	manager.reset();
	}

	TEST_F(BrowserAccessibilityAuraLinuxTest, TestCompositeAtkText) {
	const std::string text1_name = "One two three.";
	const std::string text2_name = " Four five six.";
	const int text_name_len = text1_name.length() + text2_name.length();

	ui::AXNodeData text1;
	text1.id = 11;
	text1.role = ax::mojom::Role::kStaticText;
	text1.SetName(text1_name);

	ui::AXNodeData text2;
	text2.id = 12;
	text2.role = ax::mojom::Role::kStaticText;
	text2.SetName(text2_name);

	ui::AXNodeData root;
	root.id = 1;
	root.role = ax::mojom::Role::kRootWebArea;
	root.child_ids.push_back(text1.id);
	root.child_ids.push_back(text2.id);

	std::unique_ptr<BrowserAccessibilityManager> manager(
	BrowserAccessibilityManager::Create(
	MakeAXTreeUpdate(root, text1, text2),
	test_browser_accessibility_delegate_.get(),
	new BrowserAccessibilityFactory()));

	ui::AXPlatformNodeAuraLinux* root_obj =
	ToBrowserAccessibilityAuraLinux(manager->GetRoot())->GetNode();
	AtkObject* root_atk_object(root_obj->GetNativeViewAccessible());

	ASSERT_TRUE(ATK_IS_OBJECT(root_atk_object));
	ASSERT_TRUE(ATK_IS_TEXT(root_atk_object));
	g_object_ref(root_atk_object);
	AtkText* atk_text = ATK_TEXT(root_atk_object);

	EXPECT_EQ(text_name_len, atk_text_get_character_count(atk_text));

	gchar* text = atk_text_get_text(atk_text, 0, -1);
	EXPECT_STREQ((text1_name + text2_name).c_str(), text);
	g_free(text);

	ASSERT_TRUE(ATK_IS_HYPERTEXT(root_atk_object));
	AtkHypertext* atk_hypertext = ATK_HYPERTEXT(root_atk_object);

	// There should be no hyperlinks in the node and trying to get one should
	// always return -1.
	EXPECT_EQ(0, atk_hypertext_get_n_links(atk_hypertext));
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 0));
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, -1));
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 1));

	g_object_unref(root_atk_object);

	manager.reset();
	}

	TEST_F(BrowserAccessibilityAuraLinuxTest, TestComplexHypertext) {
	const std::string text1_name = "One two three.";
	const std::string combo_box_name = "City:";
	const std::string combo_box_value = "Happyland";
	const std::string text2_name = " Four five six.";
	const std::string check_box_name = "I agree";
	const std::string check_box_value = "Checked";
	const std::string button_text_name = "Red";
	const std::string link_text_name = "Blue";
	// Each control (combo / check box, button and link) will be represented by an
	// embedded object character.
	const base::string16 string16_embed(
	1, ui::AXPlatformNodeAuraLinux::kEmbeddedCharacter);
	const std::string embed = base::UTF16ToUTF8(string16_embed);
	const std::string root_hypertext =
	text1_name + embed + text2_name + embed + embed + embed;

	ui::AXNodeData text1;
	text1.id = 11;
	text1.role = ax::mojom::Role::kStaticText;
	text1.SetName(text1_name);

	ui::AXNodeData combo_box;
	combo_box.id = 12;
	combo_box.role = ax::mojom::Role::kTextFieldWithComboBox;
	combo_box.AddState(ax::mojom::State::kEditable);
	combo_box.SetName(combo_box_name);
	combo_box.SetValue(combo_box_value);

	ui::AXNodeData text2;
	text2.id = 13;
	text2.role = ax::mojom::Role::kStaticText;
	text2.SetName(text2_name);

	ui::AXNodeData check_box;
	check_box.id = 14;
	check_box.role = ax::mojom::Role::kCheckBox;
	check_box.SetCheckedState(ax::mojom::CheckedState::kTrue);
	check_box.SetName(check_box_name);
	check_box.SetValue(check_box_value);

	ui::AXNodeData button, button_text;
	button.id = 15;
	button_text.id = 17;
	button_text.SetName(button_text_name);
	button.role = ax::mojom::Role::kButton;
	button_text.role = ax::mojom::Role::kStaticText;
	button.child_ids.push_back(button_text.id);

	ui::AXNodeData link, link_text;
	link.id = 16;
	link_text.id = 18;
	link_text.SetName(link_text_name);
	link.role = ax::mojom::Role::kLink;
	link_text.role = ax::mojom::Role::kStaticText;
	link.child_ids.push_back(link_text.id);

	ui::AXNodeData root;
	root.id = 1;
	root.role = ax::mojom::Role::kRootWebArea;
	root.child_ids.push_back(text1.id);
	root.child_ids.push_back(combo_box.id);
	root.child_ids.push_back(text2.id);
	root.child_ids.push_back(check_box.id);
	root.child_ids.push_back(button.id);
	root.child_ids.push_back(link.id);

	std::unique_ptr<BrowserAccessibilityManager> manager(
	BrowserAccessibilityManager::Create(
	MakeAXTreeUpdate(root, text1, combo_box, text2, check_box, button,
	button_text, link, link_text),
	test_browser_accessibility_delegate_.get(),
	new BrowserAccessibilityFactory()));

	ui::AXPlatformNodeAuraLinux* root_obj =
	ToBrowserAccessibilityAuraLinux(manager->GetRoot())->GetNode();
	AtkObject* root_atk_object(root_obj->GetNativeViewAccessible());

	ASSERT_TRUE(ATK_IS_OBJECT(root_atk_object));
	ASSERT_TRUE(ATK_IS_TEXT(root_atk_object));
	g_object_ref(root_atk_object);
	AtkText* atk_text = ATK_TEXT(root_atk_object);

	EXPECT_EQ(g_utf8_strlen(root_hypertext.c_str(), -1),
	atk_text_get_character_count(atk_text));

	gchar* text = atk_text_get_text(atk_text, 0, -1);
	EXPECT_STREQ(root_hypertext.c_str(), text);
	g_free(text);

	ASSERT_TRUE(ATK_IS_HYPERTEXT(root_atk_object));
	AtkHypertext* atk_hypertext = ATK_HYPERTEXT(root_atk_object);

	EXPECT_EQ(4, atk_hypertext_get_n_links(atk_hypertext));

	auto verify_atk_link_text = [&](const char* expected_text, int link_index,
	int expected_start_index) {
	AtkHyperlink* link = atk_hypertext_get_link(atk_hypertext, link_index);
	ASSERT_NE(nullptr, link);
	ASSERT_TRUE(ATK_IS_HYPERLINK(link));

	ASSERT_EQ(atk_hyperlink_get_start_index(link), expected_start_index);
	ASSERT_EQ(atk_hyperlink_get_end_index(link), expected_start_index + 1);

	AtkObject* object = atk_hyperlink_get_object(link, 0);
	ASSERT_TRUE(ATK_IS_TEXT(object));

	char* text = atk_text_get_text(ATK_TEXT(object), 0, -1);
	EXPECT_STREQ(expected_text, text);
	g_free(text);
	};

	AtkHyperlink* combo_box_link = atk_hypertext_get_link(atk_hypertext, 0);
	ASSERT_NE(nullptr, combo_box_link);
	ASSERT_TRUE(ATK_IS_HYPERLINK(combo_box_link));

	// Get the text of the combo box. It should be its value.
	verify_atk_link_text(combo_box_value.c_str(), 0, 14);

	// Get the text of the check box. It should be its name.
	verify_atk_link_text(check_box_name.c_str(), 1, 30);

	// Get the text of the button.
	verify_atk_link_text(button_text_name.c_str(), 2, 31);

	// Get the text of the link.
	verify_atk_link_text(link_text_name.c_str(), 3, 32);

	// Now test that all the object indices map back to the correct link indices.
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, -1));
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 0));
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 1));
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 5));
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 13));
	EXPECT_EQ(0, atk_hypertext_get_link_index(atk_hypertext, 14));
	EXPECT_EQ(1, atk_hypertext_get_link_index(atk_hypertext, 30));
	EXPECT_EQ(2, atk_hypertext_get_link_index(atk_hypertext, 31));
	EXPECT_EQ(3, atk_hypertext_get_link_index(atk_hypertext, 32));
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 33));
	EXPECT_EQ(-1, atk_hypertext_get_link_index(atk_hypertext, 34));

	g_object_unref(root_atk_object);

	manager.reset();
	}

	} // namespace content