test_database_base.py

"""Unit tests for DatabaseBase abstract class."""

import sys
import os
from abc import ABC
from typing import Any, Dict, List, Optional, Type
from unittest.mock import Mock
import pytest

# Add the backend directory to the Python path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..', '..', '..', 'backend'))

# Set required environment variables for testing
os.environ.setdefault('APPLICATIONINSIGHTS_CONNECTION_STRING', 'test_connection_string')
os.environ.setdefault('APP_ENV', 'dev')

# Only mock external problematic dependencies - do NOT mock internal common.* modules
sys.modules['v4'] = Mock()
sys.modules['v4.models'] = Mock()
sys.modules['v4.models.messages'] = Mock()

# Import the REAL modules using backend.* paths for proper coverage tracking
from backend.common.database.database_base import DatabaseBase
from backend.common.models.messages_af import (
    AgentMessageData,
    BaseDataModel,
    CurrentTeamAgent,
    Plan,
    Step,
    TeamConfiguration,
    UserCurrentTeam,
)
import v4.models.messages as messages


class TestDatabaseBaseAbstractClass:
    """Test DatabaseBase abstract class interface and requirements."""
    
    def test_database_base_is_abstract_class(self):
        """Test that DatabaseBase is properly defined as an abstract class."""
        assert issubclass(DatabaseBase, ABC)
        assert DatabaseBase.__abstractmethods__ is not None
        assert len(DatabaseBase.__abstractmethods__) > 0
    
    def test_cannot_instantiate_database_base_directly(self):
        """Test that DatabaseBase cannot be instantiated directly."""
        with pytest.raises(TypeError, match="Can't instantiate abstract class"):
            DatabaseBase()
    
    def test_abstract_method_count(self):
        """Test that all expected abstract methods are defined."""
        abstract_methods = DatabaseBase.__abstractmethods__
        
        # Check that we have the expected number of abstract methods
        # This helps ensure we don't accidentally remove abstract methods
        assert len(abstract_methods) >= 30  # Minimum expected abstract methods
        
        # Verify key abstract methods are present
        expected_methods = {
            'initialize', 'close', 'add_item', 'update_item', 'get_item_by_id',
            'query_items', 'delete_item', 'add_plan', 'update_plan', 
            'get_plan_by_plan_id', 'get_plan', 'get_all_plans',
            'get_all_plans_by_team_id', 'get_all_plans_by_team_id_status',
            'add_step', 'update_step', 'get_steps_by_plan', 'get_step',
            'add_team', 'update_team', 'get_team', 'get_team_by_id',
            'get_all_teams', 'delete_team', 'get_data_by_type', 'get_all_items',
            'get_steps_for_plan', 'get_current_team', 'delete_current_team',
            'set_current_team', 'update_current_team', 'delete_plan_by_plan_id',
            'add_mplan', 'update_mplan', 'get_mplan', 'add_agent_message',
            'update_agent_message', 'get_agent_messages', 'add_team_agent',
            'delete_team_agent', 'get_team_agent'
        }
        
        for method in expected_methods:
            assert method in abstract_methods, f"Abstract method '{method}' not found"


class TestDatabaseBaseImplementationRequirements:
    """Test that concrete implementations must implement all abstract methods."""
    
    def test_incomplete_implementation_raises_error(self):
        """Test that incomplete implementations cannot be instantiated."""
        
        class IncompleteDatabase(DatabaseBase):
            # Only implement a few methods, leaving others unimplemented
            async def initialize(self):
                pass
            
            async def close(self):
                pass
        
        with pytest.raises(TypeError, match="Can't instantiate abstract class"):
            IncompleteDatabase()
    
    def test_complete_implementation_can_be_instantiated(self):
        """Test that complete implementations can be instantiated."""
        
        class CompleteDatabase(DatabaseBase):
            # Implement all abstract methods
            async def initialize(self) -> None:
                pass
            
            async def close(self) -> None:
                pass
            
            async def add_item(self, item: BaseDataModel) -> None:
                pass
            
            async def update_item(self, item: BaseDataModel) -> None:
                pass
            
            async def get_item_by_id(
                self, item_id: str, partition_key: str, model_class: Type[BaseDataModel]
            ) -> Optional[BaseDataModel]:
                return None
            
            async def query_items(
                self,
                query: str,
                parameters: List[Dict[str, Any]],
                model_class: Type[BaseDataModel],
            ) -> List[BaseDataModel]:
                return []
            
            async def delete_item(self, item_id: str, partition_key: str) -> None:
                pass
            
            async def add_plan(self, plan: Plan) -> None:
                pass
            
            async def update_plan(self, plan: Plan) -> None:
                pass
            
            async def get_plan_by_plan_id(self, plan_id: str) -> Optional[Plan]:
                return None
            
            async def get_plan(self, plan_id: str) -> Optional[Plan]:
                return None
            
            async def get_all_plans(self) -> List[Plan]:
                return []
            
            async def get_all_plans_by_team_id(self, team_id: str) -> List[Plan]:
                return []
            
            async def get_all_plans_by_team_id_status(
                self, user_id: str, team_id: str, status: str
            ) -> List[Plan]:
                return []
            
            async def add_step(self, step: Step) -> None:
                pass
            
            async def update_step(self, step: Step) -> None:
                pass
            
            async def get_steps_by_plan(self, plan_id: str) -> List[Step]:
                return []
            
            async def get_step(self, step_id: str, session_id: str) -> Optional[Step]:
                return None
            
            async def add_team(self, team: TeamConfiguration) -> None:
                pass
            
            async def update_team(self, team: TeamConfiguration) -> None:
                pass
            
            async def get_team(self, team_id: str) -> Optional[TeamConfiguration]:
                return None
            
            async def get_team_by_id(self, team_id: str) -> Optional[TeamConfiguration]:
                return None
            
            async def get_all_teams(self) -> List[TeamConfiguration]:
                return []
            
            async def delete_team(self, team_id: str) -> bool:
                return False
            
            async def get_data_by_type(self, data_type: str) -> List[BaseDataModel]:
                return []
            
            async def get_all_items(self) -> List[Dict[str, Any]]:
                return []
            
            async def get_steps_for_plan(self, plan_id: str) -> List[Step]:
                return []
            
            async def get_current_team(self, user_id: str) -> Optional[UserCurrentTeam]:
                return None
            
            async def delete_current_team(self, user_id: str) -> Optional[UserCurrentTeam]:
                return None
            
            async def set_current_team(self, current_team: UserCurrentTeam) -> None:
                pass
            
            async def update_current_team(self, current_team: UserCurrentTeam) -> None:
                pass
            
            async def delete_plan_by_plan_id(self, plan_id: str) -> bool:
                return False
            
            async def add_mplan(self, mplan: messages.MPlan) -> None:
                pass
            
            async def update_mplan(self, mplan: messages.MPlan) -> None:
                pass
            
            async def get_mplan(self, plan_id: str) -> Optional[messages.MPlan]:
                return None
            
            async def add_agent_message(self, message: AgentMessageData) -> None:
                pass
            
            async def update_agent_message(self, message: AgentMessageData) -> None:
                pass
            
            async def get_agent_messages(self, plan_id: str) -> Optional[AgentMessageData]:
                return None
            
            async def add_team_agent(self, team_agent: CurrentTeamAgent) -> None:
                pass
            
            async def delete_team_agent(self, team_id: str, agent_name: str) -> None:
                pass
            
            async def get_team_agent(
                self, team_id: str, agent_name: str
            ) -> Optional[CurrentTeamAgent]:
                return None
        
        # Should not raise TypeError
        database = CompleteDatabase()
        assert isinstance(database, DatabaseBase)


class TestDatabaseBaseMethodSignatures:
    """Test that all abstract methods have correct signatures."""
    
    def test_initialization_methods(self):
        """Test initialization and cleanup method signatures."""
        # Test that the methods are defined with correct signatures
        assert hasattr(DatabaseBase, 'initialize')
        assert hasattr(DatabaseBase, 'close')
        
        # Check that these are async methods
        init_method = getattr(DatabaseBase, 'initialize')
        close_method = getattr(DatabaseBase, 'close')
        
        assert getattr(init_method, '__isabstractmethod__', False)
        assert getattr(close_method, '__isabstractmethod__', False)
    
    def test_crud_operation_methods(self):
        """Test CRUD operation method signatures."""
        crud_methods = [
            'add_item', 'update_item', 'get_item_by_id', 
            'query_items', 'delete_item'
        ]
        
        for method_name in crud_methods:
            assert hasattr(DatabaseBase, method_name)
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False)
    
    def test_plan_operation_methods(self):
        """Test plan operation method signatures."""
        plan_methods = [
            'add_plan', 'update_plan', 'get_plan_by_plan_id', 'get_plan',
            'get_all_plans', 'get_all_plans_by_team_id', 'get_all_plans_by_team_id_status',
            'delete_plan_by_plan_id'
        ]
        
        for method_name in plan_methods:
            assert hasattr(DatabaseBase, method_name)
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False)
    
    def test_step_operation_methods(self):
        """Test step operation method signatures."""
        step_methods = [
            'add_step', 'update_step', 'get_steps_by_plan', 
            'get_step', 'get_steps_for_plan'
        ]
        
        for method_name in step_methods:
            assert hasattr(DatabaseBase, method_name)
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False)
    
    def test_team_operation_methods(self):
        """Test team operation method signatures."""
        team_methods = [
            'add_team', 'update_team', 'get_team', 'get_team_by_id',
            'get_all_teams', 'delete_team'
        ]
        
        for method_name in team_methods:
            assert hasattr(DatabaseBase, method_name)
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False)
    
    def test_current_team_operation_methods(self):
        """Test current team operation method signatures."""
        current_team_methods = [
            'get_current_team', 'delete_current_team',
            'set_current_team', 'update_current_team'
        ]
        
        for method_name in current_team_methods:
            assert hasattr(DatabaseBase, method_name)
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False)
    
    def test_data_management_methods(self):
        """Test data management method signatures."""
        data_methods = ['get_data_by_type', 'get_all_items']
        
        for method_name in data_methods:
            assert hasattr(DatabaseBase, method_name)
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False)
    
    def test_mplan_operation_methods(self):
        """Test mplan operation method signatures."""
        mplan_methods = ['add_mplan', 'update_mplan', 'get_mplan']
        
        for method_name in mplan_methods:
            assert hasattr(DatabaseBase, method_name)
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False)
    
    def test_agent_message_methods(self):
        """Test agent message method signatures."""
        agent_message_methods = [
            'add_agent_message', 'update_agent_message', 'get_agent_messages'
        ]
        
        for method_name in agent_message_methods:
            assert hasattr(DatabaseBase, method_name)
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False)
    
    def test_team_agent_methods(self):
        """Test team agent method signatures."""
        team_agent_methods = [
            'add_team_agent', 'delete_team_agent', 'get_team_agent'
        ]
        
        for method_name in team_agent_methods:
            assert hasattr(DatabaseBase, method_name)
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False)


class TestDatabaseBaseContextManager:
    """Test DatabaseBase async context manager functionality."""
    
    @pytest.mark.asyncio
    async def test_context_manager_implementation(self):
        """Test that context manager methods are properly implemented."""
        assert hasattr(DatabaseBase, '__aenter__')
        assert hasattr(DatabaseBase, '__aexit__')
        
        # Test that these are not abstract (they have implementations)
        aenter_method = getattr(DatabaseBase, '__aenter__')
        aexit_method = getattr(DatabaseBase, '__aexit__')
        
        # These should not be abstract methods
        assert not getattr(aenter_method, '__isabstractmethod__', False)
        assert not getattr(aexit_method, '__isabstractmethod__', False)
    
    @pytest.mark.asyncio
    async def test_context_manager_calls_initialize_and_close(self):
        """Test that context manager calls initialize and close appropriately."""
        
        class MockDatabase(DatabaseBase):
            def __init__(self):
                self.initialized = False
                self.closed = False
            
            async def initialize(self) -> None:
                self.initialized = True
            
            async def close(self) -> None:
                self.closed = True
            
            # Minimal implementation of other abstract methods
            async def add_item(self, item): pass
            async def update_item(self, item): pass
            async def get_item_by_id(self, item_id, partition_key, model_class): return None
            async def query_items(self, query, parameters, model_class): return []
            async def delete_item(self, item_id, partition_key): pass
            async def add_plan(self, plan): pass
            async def update_plan(self, plan): pass
            async def get_plan_by_plan_id(self, plan_id): return None
            async def get_plan(self, plan_id): return None
            async def get_all_plans(self): return []
            async def get_all_plans_by_team_id(self, team_id): return []
            async def get_all_plans_by_team_id_status(self, user_id, team_id, status): return []
            async def add_step(self, step): pass
            async def update_step(self, step): pass
            async def get_steps_by_plan(self, plan_id): return []
            async def get_step(self, step_id, session_id): return None
            async def add_team(self, team): pass
            async def update_team(self, team): pass
            async def get_team(self, team_id): return None
            async def get_team_by_id(self, team_id): return None
            async def get_all_teams(self): return []
            async def delete_team(self, team_id): return False
            async def get_data_by_type(self, data_type): return []
            async def get_all_items(self): return []
            async def get_steps_for_plan(self, plan_id): return []
            async def get_current_team(self, user_id): return None
            async def delete_current_team(self, user_id): return None
            async def set_current_team(self, current_team): pass
            async def update_current_team(self, current_team): pass
            async def delete_plan_by_plan_id(self, plan_id): return False
            async def add_mplan(self, mplan): pass
            async def update_mplan(self, mplan): pass
            async def get_mplan(self, plan_id): return None
            async def add_agent_message(self, message): pass
            async def update_agent_message(self, message): pass
            async def get_agent_messages(self, plan_id): return None
            async def add_team_agent(self, team_agent): pass
            async def delete_team_agent(self, team_id, agent_name): pass
            async def get_team_agent(self, team_id, agent_name): return None
        
        database = MockDatabase()
        
        async with database as db:
            assert database.initialized is True
            assert database.closed is False
            assert db is database
        
        assert database.closed is True
    
    @pytest.mark.asyncio
    async def test_context_manager_handles_exceptions(self):
        """Test that context manager properly closes even when exceptions occur."""
        
        class MockDatabase(DatabaseBase):
            def __init__(self):
                self.initialized = False
                self.closed = False
            
            async def initialize(self) -> None:
                self.initialized = True
            
            async def close(self) -> None:
                self.closed = True
            
            # Minimal implementation of other abstract methods
            async def add_item(self, item): pass
            async def update_item(self, item): pass
            async def get_item_by_id(self, item_id, partition_key, model_class): return None
            async def query_items(self, query, parameters, model_class): return []
            async def delete_item(self, item_id, partition_key): pass
            async def add_plan(self, plan): pass
            async def update_plan(self, plan): pass
            async def get_plan_by_plan_id(self, plan_id): return None
            async def get_plan(self, plan_id): return None
            async def get_all_plans(self): return []
            async def get_all_plans_by_team_id(self, team_id): return []
            async def get_all_plans_by_team_id_status(self, user_id, team_id, status): return []
            async def add_step(self, step): pass
            async def update_step(self, step): pass
            async def get_steps_by_plan(self, plan_id): return []
            async def get_step(self, step_id, session_id): return None
            async def add_team(self, team): pass
            async def update_team(self, team): pass
            async def get_team(self, team_id): return None
            async def get_team_by_id(self, team_id): return None
            async def get_all_teams(self): return []
            async def delete_team(self, team_id): return False
            async def get_data_by_type(self, data_type): return []
            async def get_all_items(self): return []
            async def get_steps_for_plan(self, plan_id): return []
            async def get_current_team(self, user_id): return None
            async def delete_current_team(self, user_id): return None
            async def set_current_team(self, current_team): pass
            async def update_current_team(self, current_team): pass
            async def delete_plan_by_plan_id(self, plan_id): return False
            async def add_mplan(self, mplan): pass
            async def update_mplan(self, mplan): pass
            async def get_mplan(self, plan_id): return None
            async def add_agent_message(self, message): pass
            async def update_agent_message(self, message): pass
            async def get_agent_messages(self, plan_id): return None
            async def add_team_agent(self, team_agent): pass
            async def delete_team_agent(self, team_id, agent_name): pass
            async def get_team_agent(self, team_id, agent_name): return None
        
        database = MockDatabase()

        with pytest.raises(ValueError, match="Test exception"):
            async with database:
                assert database.initialized is True
                # Raise an exception to test cleanup
                raise ValueError("Test exception")

                # Even with exception, close should have been called
                assert database.closed is True


class TestDatabaseBaseInheritance:
    """Test DatabaseBase inheritance and polymorphism."""
    
    def test_inheritance_hierarchy(self):
        """Test that DatabaseBase properly inherits from ABC."""
        assert issubclass(DatabaseBase, ABC)
        assert ABC in DatabaseBase.__mro__
    
    def test_method_resolution_order(self):
        """Test that method resolution order is correct."""
        mro = DatabaseBase.__mro__
        assert DatabaseBase in mro
        assert ABC in mro
        assert object in mro
    
    def test_abc_registration(self):
        """Test that abstract methods are properly registered."""
        # Verify that __abstractmethods__ contains expected methods
        abstract_methods = DatabaseBase.__abstractmethods__
        assert isinstance(abstract_methods, frozenset)
        assert len(abstract_methods) > 0
    
    def test_subclass_detection(self):
        """Test that subclass detection works correctly."""
        
        class ConcreteDatabase(DatabaseBase):
            # Full implementation would go here
            # For this test, we'll make it incomplete to test subclass detection
            async def initialize(self): pass
            async def close(self): pass
            async def add_item(self, item): pass
            async def update_item(self, item): pass
            async def get_item_by_id(self, item_id, partition_key, model_class): return None
            async def query_items(self, query, parameters, model_class): return []
            async def delete_item(self, item_id, partition_key): pass
            async def add_plan(self, plan): pass
            async def update_plan(self, plan): pass
            async def get_plan_by_plan_id(self, plan_id): return None
            async def get_plan(self, plan_id): return None
            async def get_all_plans(self): return []
            async def get_all_plans_by_team_id(self, team_id): return []
            async def get_all_plans_by_team_id_status(self, user_id, team_id, status): return []
            async def add_step(self, step): pass
            async def update_step(self, step): pass
            async def get_steps_by_plan(self, plan_id): return []
            async def get_step(self, step_id, session_id): return None
            async def add_team(self, team): pass
            async def update_team(self, team): pass
            async def get_team(self, team_id): return None
            async def get_team_by_id(self, team_id): return None
            async def get_all_teams(self): return []
            async def delete_team(self, team_id): return False
            async def get_data_by_type(self, data_type): return []
            async def get_all_items(self): return []
            async def get_steps_for_plan(self, plan_id): return []
            async def get_current_team(self, user_id): return None
            async def delete_current_team(self, user_id): return None
            async def set_current_team(self, current_team): pass
            async def update_current_team(self, current_team): pass
            async def delete_plan_by_plan_id(self, plan_id): return False
            async def add_mplan(self, mplan): pass
            async def update_mplan(self, mplan): pass
            async def get_mplan(self, plan_id): return None
            async def add_agent_message(self, message): pass
            async def update_agent_message(self, message): pass
            async def get_agent_messages(self, plan_id): return None
            async def add_team_agent(self, team_agent): pass
            async def delete_team_agent(self, team_id, agent_name): pass
            async def get_team_agent(self, team_id, agent_name): return None
        
        assert issubclass(ConcreteDatabase, DatabaseBase)
        assert isinstance(ConcreteDatabase(), DatabaseBase)


class TestDatabaseBaseDocumentation:
    """Test that DatabaseBase has proper documentation."""
    
    def test_class_docstring(self):
        """Test that DatabaseBase has proper class documentation."""
        assert DatabaseBase.__doc__ is not None
        assert len(DatabaseBase.__doc__.strip()) > 0
        assert "abstract" in DatabaseBase.__doc__.lower()
    
    def test_method_docstrings(self):
        """Test that abstract methods have proper documentation."""
        methods_with_docs = [
            'initialize', 'close', 'add_item', 'update_item', 'get_item_by_id',
            'query_items', 'delete_item', 'add_plan', 'update_plan',
            'get_plan_by_plan_id', 'get_plan', 'get_all_plans'
        ]
        
        for method_name in methods_with_docs:
            method = getattr(DatabaseBase, method_name)
            assert method.__doc__ is not None, f"Method {method_name} missing docstring"
            assert len(method.__doc__.strip()) > 0, f"Method {method_name} has empty docstring"


class TestDatabaseBaseTypeHints:
    """Test that DatabaseBase has proper type hints."""
    
    def test_method_type_annotations(self):
        """Test that methods have proper type annotations."""
        # Check a few key methods for type annotations
        methods_to_check = [
            'get_item_by_id', 'query_items', 'get_all_plans', 
            'get_all_plans_by_team_id_status', 'get_current_team'
        ]
        
        for method_name in methods_to_check:
            method = getattr(DatabaseBase, method_name)
            annotations = getattr(method, '__annotations__', {})
            assert len(annotations) > 0, f"Method {method_name} missing type annotations"
    
    def test_return_type_annotations(self):
        """Test that methods have proper return type annotations."""
        # Methods that should return None
        void_methods = ['initialize', 'close', 'add_item', 'update_item', 'delete_item']
        
        for method_name in void_methods:
            method = getattr(DatabaseBase, method_name)
            annotations = getattr(method, '__annotations__', {})
            # Most should have 'return' annotation
            if 'return' in annotations:
                # For async methods, return type should indicate None
                pass  # We can't check the exact return type due to how abstract methods work
    
    def test_parameter_type_annotations(self):
        """Test that method parameters have proper type annotations."""
        # Check query_items method specifically as it has complex parameters
        query_items_method = getattr(DatabaseBase, 'query_items')
        annotations = getattr(query_items_method, '__annotations__', {})
        
        # Should have annotations for parameters
        assert len(annotations) > 0


class TestConcreteImplementation:
    """Test concrete implementation exercises key abstract methods."""
    
    @pytest.mark.asyncio
    async def test_abstract_method_signatures(self):
        """Test abstract method signatures are defined correctly."""
        # Test that abstract methods exist and have correct signatures
        abstract_methods = [
            'initialize', 'close', 'add_item', 'update_item', 'get_item_by_id',
            'query_items', 'delete_item', 'add_plan', 'update_plan', 'get_plan_by_plan_id',
            'get_plan', 'get_all_plans', 'get_all_plans_by_team_id', 'get_all_plans_by_team_id_status',
            'add_step', 'update_step', 'get_steps_by_plan', 'get_step', 'add_team',
            'update_team', 'get_team', 'get_team_by_id', 'get_all_teams', 'delete_team',
            'get_data_by_type', 'get_all_items', 'get_steps_for_plan', 'get_current_team',
            'delete_current_team', 'set_current_team', 'update_current_team',
            'delete_plan_by_plan_id', 'add_mplan', 'update_mplan', 'get_mplan',
            'add_agent_message', 'update_agent_message', 'get_agent_messages',
            'add_team_agent', 'delete_team_agent', 'get_team_agent'
        ]
        
        for method_name in abstract_methods:
            assert hasattr(DatabaseBase, method_name), f"Method {method_name} not found"
            method = getattr(DatabaseBase, method_name)
            assert getattr(method, '__isabstractmethod__', False), f"Method {method_name} is not abstract"
    
    @pytest.mark.asyncio
    async def test_context_manager_methods(self):
        """Test context manager methods exist."""
        # Test that context manager methods exist
        assert hasattr(DatabaseBase, '__aenter__')
        assert hasattr(DatabaseBase, '__aexit__')
        
        # Check they are not abstract
        aenter_method = getattr(DatabaseBase, '__aenter__')
        aexit_method = getattr(DatabaseBase, '__aexit__')
        
        assert not getattr(aenter_method, '__isabstractmethod__', False)
        assert not getattr(aexit_method, '__isabstractmethod__', False)
    
    @pytest.mark.asyncio 
    async def test_context_manager_implementation(self):
        """Test context manager implementation by creating minimal concrete class."""
        
        class MinimalDatabase(DatabaseBase):
            """Minimal implementation to test context manager."""
            def __init__(self):
                self.initialized = False
                
            async def initialize(self) -> None:
                self.initialized = True
                
            async def close(self) -> None:
                self.initialized = False
                
            # Implement all abstract methods with minimal stubs
            async def add_item(self, item): pass
            async def update_item(self, item): pass  
            async def get_item_by_id(self, item_id, partition_key, model_class): return None
            async def query_items(self, query, parameters, model_class): return []
            async def delete_item(self, item_id, partition_key): pass
            async def add_plan(self, plan): pass
            async def update_plan(self, plan): pass
            async def get_plan_by_plan_id(self, plan_id): return None
            async def get_plan(self, plan_id): return None
            async def get_all_plans(self): return []
            async def get_all_plans_by_team_id(self, team_id): return []
            async def get_all_plans_by_team_id_status(self, team_id, status): return []
            async def add_step(self, step): pass
            async def update_step(self, step): pass
            async def get_steps_by_plan(self, plan_id): return []
            async def get_step(self, step_id, session_id): return None
            async def add_team(self, team): pass
            async def update_team(self, team): pass
            async def get_team(self, team_id): return None
            async def get_team_by_id(self, team_id): return None
            async def get_all_teams(self): return []
            async def delete_team(self, team_id): return True
            async def get_data_by_type(self, data_type): return []
            async def get_all_items(self): return []
            async def get_steps_for_plan(self, plan_id): return []
            async def get_current_team(self, user_id): return None
            async def delete_current_team(self, user_id): return None
            async def set_current_team(self, current_team): pass
            async def update_current_team(self, current_team): pass
            async def delete_plan_by_plan_id(self, plan_id): return True
            async def add_mplan(self, mplan): pass
            async def update_mplan(self, mplan): pass
            async def get_mplan(self, plan_id): return None
            async def add_agent_message(self, message): pass
            async def update_agent_message(self, message): pass
            async def get_agent_messages(self, plan_id): return None
            async def add_team_agent(self, team_agent): pass
            async def delete_team_agent(self, team_id, agent_name): pass
            async def get_team_agent(self, team_id, agent_name): return None
        
        # Test context manager functionality
        db = MinimalDatabase()
        assert not db.initialized
        
        # Test context manager entry and exit
        async with db as db_context:
            assert db_context is db
            assert db.initialized
        
        # After exiting context, should be closed
        assert not db.initialized


# Note: Coverage-only tests that exercised abstract base methods via super()
# have been removed to avoid high-maintenance scaffolding without behavioral
# assertions. Abstract/base stubs should instead be excluded from coverage
# or tested via focused, behavior-oriented tests in concrete implementations.


class TestDatabaseBaseAbstractMethodCoverage:
    """Minimal test to verify abstract base class methods can be called via super()."""

    @pytest.mark.asyncio
    async def test_abstract_methods_callable_via_super(self):
        """Verify abstract methods are callable through super() without errors."""

        class TestDatabase(DatabaseBase):
            async def initialize(self): await super().initialize()
            async def close(self): await super().close()
            async def add_item(self, item): await super().add_item(item)
            async def update_item(self, item): await super().update_item(item)
            async def get_item_by_id(self, item_id, partition_key, model_class): return await super().get_item_by_id(item_id, partition_key, model_class)
            async def query_items(self, query, parameters, model_class): return await super().query_items(query, parameters, model_class)
            async def delete_item(self, item_id, partition_key): await super().delete_item(item_id, partition_key)
            async def add_plan(self, plan): await super().add_plan(plan)
            async def update_plan(self, plan): await super().update_plan(plan)
            async def get_plan_by_plan_id(self, plan_id): return await super().get_plan_by_plan_id(plan_id)
            async def get_plan(self, plan_id): return await super().get_plan(plan_id)
            async def get_all_plans(self): return await super().get_all_plans()
            async def get_all_plans_by_team_id(self, team_id): return await super().get_all_plans_by_team_id(team_id)
            async def get_all_plans_by_team_id_status(self, user_id, team_id, status): return await super().get_all_plans_by_team_id_status(user_id, team_id, status)
            async def add_step(self, step): await super().add_step(step)
            async def update_step(self, step): await super().update_step(step)
            async def get_steps_by_plan(self, plan_id): return await super().get_steps_by_plan(plan_id)
            async def get_step(self, step_id, session_id): return await super().get_step(step_id, session_id)
            async def add_team(self, team): await super().add_team(team)
            async def update_team(self, team): await super().update_team(team)
            async def get_team(self, team_id): return await super().get_team(team_id)
            async def get_team_by_id(self, team_id): return await super().get_team_by_id(team_id)
            async def get_all_teams(self): return await super().get_all_teams()
            async def delete_team(self, team_id): return await super().delete_team(team_id)
            async def get_data_by_type(self, data_type): return await super().get_data_by_type(data_type)
            async def get_all_items(self): return await super().get_all_items()
            async def get_steps_for_plan(self, plan_id): return await super().get_steps_for_plan(plan_id)
            async def get_current_team(self, user_id): return await super().get_current_team(user_id)
            async def delete_current_team(self, user_id): return await super().delete_current_team(user_id)
            async def set_current_team(self, current_team): await super().set_current_team(current_team)
            async def update_current_team(self, current_team): await super().update_current_team(current_team)
            async def delete_plan_by_plan_id(self, plan_id): return await super().delete_plan_by_plan_id(plan_id)
            async def add_mplan(self, mplan): await super().add_mplan(mplan)
            async def update_mplan(self, mplan): await super().update_mplan(mplan)
            async def get_mplan(self, plan_id): return await super().get_mplan(plan_id)
            async def add_agent_message(self, message): await super().add_agent_message(message)
            async def update_agent_message(self, message): await super().update_agent_message(message)
            async def get_agent_messages(self, plan_id): return await super().get_agent_messages(plan_id)
            async def add_team_agent(self, team_agent): await super().add_team_agent(team_agent)
            async def delete_team_agent(self, team_id, agent_name): await super().delete_team_agent(team_id, agent_name)
            async def get_team_agent(self, team_id, agent_name): return await super().get_team_agent(team_id, agent_name)

        db = TestDatabase()
        mock_item = Mock()
        await db.initialize()
        await db.close()
        await db.add_item(mock_item)
        await db.update_item(mock_item)
        await db.delete_item("id", "pk")
        await db.add_plan(mock_item)
        await db.update_plan(mock_item)
        await db.add_step(mock_item)
        await db.update_step(mock_item)
        await db.add_team(mock_item)
        await db.update_team(mock_item)
        await db.set_current_team(mock_item)
        await db.update_current_team(mock_item)
        await db.add_mplan(mock_item)
        await db.update_mplan(mock_item)
        await db.add_agent_message(mock_item)
        await db.update_agent_message(mock_item)
        await db.add_team_agent(mock_item)
        await db.delete_team_agent("team_id", "agent_name")


if __name__ == "__main__":
    pytest.main([__file__, "-v"])