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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/accessibility/ax_tree_manager.h"
#include "ui/accessibility/ax_node.h"
#include "ui/accessibility/ax_serializable_tree.h"
#include "ui/accessibility/ax_tree_id.h"
#include "ui/accessibility/ax_tree_update.h"
#include "ui/accessibility/test_single_ax_tree_manager.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ui {
TEST(AXTreeManagerTest, ConstructFromInitialState) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
std::string name = "Hello";
root.AddStringAttribute(ax::mojom::StringAttribute::kName, name);
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.push_back(root);
initial_state.has_tree_data = true;
TestSingleAXTreeManager manager(std::make_unique<AXSerializableTree>());
manager.Initialize(initial_state);
AXNode* returned_root = manager.GetRoot();
ASSERT_EQ(
returned_root->GetStringAttribute(ax::mojom::StringAttribute::kName),
name);
}
TEST(AXTreeManagerTest, GetRootManagerUnserializedParent) {
// The test covers the scenario where a manager's parent tree is not
// yet serialized.
// ++1 kRootWebArea
// ++++2 kGenericContainer
// ++++3 kGenericContainer
// ++++++4 kRootWebArea
// ++++++++5 kGenericContainer
// ++++++++++6 kRootWebArea
// ++++++++++++7 kGenericContainer
AXNodeData root_1;
AXNodeData generic_container_2;
AXNodeData generic_container_3;
AXNodeData root_4;
AXNodeData generic_container_5;
AXNodeData root_6;
AXNodeData generic_container_7;
root_1.id = 1;
generic_container_2.id = 2;
generic_container_3.id = 3;
root_4.id = 4;
generic_container_5.id = 5;
root_6.id = 6;
generic_container_7.id = 7;
root_1.role = ax::mojom::Role::kRootWebArea;
root_1.child_ids = {generic_container_2.id, generic_container_3.id};
generic_container_2.role = ax::mojom::Role::kGenericContainer;
generic_container_3.role = ax::mojom::Role::kGenericContainer;
root_4.role = ax::mojom::Role::kRootWebArea;
root_4.child_ids = {generic_container_5.id};
generic_container_5.role = ax::mojom::Role::kGenericContainer;
root_6.role = ax::mojom::Role::kRootWebArea;
root_6.child_ids = {generic_container_7.id};
generic_container_7.role = ax::mojom::Role::kGenericContainer;
AXTreeUpdate first_state;
first_state.root_id = root_1.id;
first_state.nodes = {root_1, generic_container_2, generic_container_3};
first_state.has_tree_data = true;
first_state.tree_data.tree_id = AXTreeID::CreateNewAXTreeID();
AXTreeUpdate middle_state;
middle_state.root_id = root_4.id;
middle_state.nodes = {root_4, generic_container_5};
middle_state.has_tree_data = true;
middle_state.tree_data.tree_id = AXTreeID::CreateNewAXTreeID();
AXTreeUpdate last_state;
last_state.root_id = root_6.id;
last_state.nodes = {root_6, generic_container_7};
last_state.has_tree_data = true;
last_state.tree_data.tree_id = AXTreeID::CreateNewAXTreeID();
// We link the first two child trees to their parent trees.
middle_state.tree_data.parent_tree_id = first_state.tree_data.tree_id;
generic_container_3.AddChildTreeId(middle_state.tree_data.tree_id);
// We link the last child to the middle child.
last_state.tree_data.parent_tree_id = middle_state.tree_data.tree_id;
generic_container_5.AddChildTreeId(last_state.tree_data.tree_id);
// Create the managers. We don't `Initialize` the middle manager to test the
// scenario where the parent manager is not serialized yet.
TestSingleAXTreeManager first_manager(std::make_unique<AXSerializableTree>());
first_manager.Initialize(first_state);
TestSingleAXTreeManager last_manager(std::make_unique<AXSerializableTree>());
last_manager.Initialize(last_state);
ASSERT_EQ(first_manager.GetRootManager(), &first_manager);
ASSERT_EQ(last_manager.GetRootManager(), nullptr);
}
TEST(AXTreeManagerTest, GetRootManagerAndIsRoot) {
// The test covers two cases: First, when we call GetRootManager on the root
// manager itself. Second, when we call GetRootManager on a child of the root.
// ++1 kRootWebArea
// ++++2 kGenericContainer
// ++++3 kGenericContainer
// ++++++4 kRootWebArea
// ++++++++5 kGenericContainer
// ++++++++++6 kRootWebArea
// ++++++++++++7 kGenericContainer
AXNodeData root_1;
AXNodeData generic_container_2;
AXNodeData generic_container_3;
AXNodeData root_4;
AXNodeData generic_container_5;
AXNodeData root_6;
AXNodeData generic_container_7;
root_1.id = 1;
generic_container_2.id = 2;
generic_container_3.id = 3;
root_4.id = 4;
generic_container_5.id = 5;
root_6.id = 6;
generic_container_7.id = 7;
root_1.role = ax::mojom::Role::kRootWebArea;
root_1.child_ids = {generic_container_2.id, generic_container_3.id};
generic_container_2.role = ax::mojom::Role::kGenericContainer;
generic_container_3.role = ax::mojom::Role::kGenericContainer;
root_4.role = ax::mojom::Role::kRootWebArea;
root_4.child_ids = {generic_container_5.id};
generic_container_5.role = ax::mojom::Role::kGenericContainer;
root_6.role = ax::mojom::Role::kRootWebArea;
root_6.child_ids = {generic_container_7.id};
generic_container_7.role = ax::mojom::Role::kGenericContainer;
AXTreeUpdate first_state;
first_state.root_id = root_1.id;
first_state.nodes = {root_1, generic_container_2, generic_container_3};
first_state.has_tree_data = true;
first_state.tree_data.tree_id = AXTreeID::CreateNewAXTreeID();
AXTreeUpdate middle_state;
middle_state.root_id = root_4.id;
middle_state.nodes = {root_4, generic_container_5};
middle_state.has_tree_data = true;
middle_state.tree_data.tree_id = AXTreeID::CreateNewAXTreeID();
AXTreeUpdate last_state;
last_state.root_id = root_6.id;
last_state.nodes = {root_6, generic_container_7};
last_state.has_tree_data = true;
last_state.tree_data.tree_id = AXTreeID::CreateNewAXTreeID();
// We link the first two child trees to their parent trees.
middle_state.tree_data.parent_tree_id = first_state.tree_data.tree_id;
generic_container_3.AddChildTreeId(middle_state.tree_data.tree_id);
// We link the last child to the middle child.
last_state.tree_data.parent_tree_id = middle_state.tree_data.tree_id;
generic_container_5.AddChildTreeId(last_state.tree_data.tree_id);
// Create the managers.
TestSingleAXTreeManager first_manager(std::make_unique<AXSerializableTree>());
first_manager.Initialize(first_state);
TestSingleAXTreeManager middle_manager(
std::make_unique<AXSerializableTree>());
middle_manager.Initialize(middle_state);
TestSingleAXTreeManager last_manager(std::make_unique<AXSerializableTree>());
last_manager.Initialize(last_state);
ASSERT_EQ(first_manager.GetRootManager(), &first_manager);
ASSERT_EQ(middle_manager.GetRootManager(), &first_manager);
ASSERT_EQ(last_manager.GetRootManager(), &first_manager);
}
} // namespace ui
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