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import asyncio
from unittest.mock import MagicMock, call, patch
import pytest
from prompt_toolkit.formatted_text import HTML
from prompt_toolkit.keys import Keys
from openhands.cli.tui import process_agent_pause
from openhands.core.schema import AgentState
from openhands.events import EventSource
from openhands.events.action import ChangeAgentStateAction
from openhands.events.observation import AgentStateChangedObservation
class TestProcessAgentPause:
@pytest.mark.asyncio
@patch('openhands.cli.tui.create_input')
@patch('openhands.cli.tui.print_formatted_text')
async def test_process_agent_pause_ctrl_p(self, mock_print, mock_create_input):
"""Test that process_agent_pause sets the done event when Ctrl+P is pressed."""
# Create the done event
done = asyncio.Event()
# Set up the mock input
mock_input = MagicMock()
mock_create_input.return_value = mock_input
# Mock the context managers
mock_raw_mode = MagicMock()
mock_input.raw_mode.return_value = mock_raw_mode
mock_raw_mode.__enter__ = MagicMock()
mock_raw_mode.__exit__ = MagicMock()
mock_attach = MagicMock()
mock_input.attach.return_value = mock_attach
mock_attach.__enter__ = MagicMock()
mock_attach.__exit__ = MagicMock()
# Capture the keys_ready function
keys_ready_func = None
def fake_attach(callback):
nonlocal keys_ready_func
keys_ready_func = callback
return mock_attach
mock_input.attach.side_effect = fake_attach
# Create a task to run process_agent_pause
task = asyncio.create_task(process_agent_pause(done, event_stream=MagicMock()))
# Give it a moment to start and capture the callback
await asyncio.sleep(0.1)
# Make sure we captured the callback
assert keys_ready_func is not None
# Create a key press that simulates Ctrl+P
key_press = MagicMock()
key_press.key = Keys.ControlP
mock_input.read_keys.return_value = [key_press]
# Manually call the callback to simulate key press
keys_ready_func()
# Verify done was set
assert done.is_set()
# Verify print was called with the pause message
assert mock_print.call_count == 2
assert mock_print.call_args_list[0] == call('')
# Check that the second call contains the pause message HTML
second_call = mock_print.call_args_list[1][0][0]
assert isinstance(second_call, HTML)
assert 'Pausing the agent' in str(second_call)
# Cancel the task
task.cancel()
try:
await task
except asyncio.CancelledError:
pass
class TestCliPauseResumeInRunSession:
@pytest.mark.asyncio
async def test_on_event_async_pause_processing(self):
"""Test that on_event_async processes the pause event when is_paused is set."""
# Create a mock event
event = MagicMock()
# Create mock dependencies
event_stream = MagicMock()
is_paused = asyncio.Event()
reload_microagents = False
config = MagicMock()
# Patch the display_event function
with (
patch('openhands.cli.main.display_event') as mock_display_event,
patch('openhands.cli.main.update_usage_metrics') as mock_update_metrics,
):
# Create a closure to capture the current context
async def test_func():
# Set the pause event
is_paused.set()
# Create a context similar to run_session to call on_event_async
# We're creating a function that mimics the environment of on_event_async
async def on_event_async_test(event):
nonlocal reload_microagents, is_paused
mock_display_event(event, config)
mock_update_metrics(event, usage_metrics=MagicMock())
# Pause the agent if the pause event is set (through Ctrl-P)
if is_paused.is_set():
event_stream.add_event(
ChangeAgentStateAction(AgentState.PAUSED),
EventSource.USER,
)
# The pause event is not cleared here because we want to simulate
# the PAUSED event processing in a future event
# Call on_event_async_test
await on_event_async_test(event)
# Check that event_stream.add_event was called with the correct action
event_stream.add_event.assert_called_once()
args, kwargs = event_stream.add_event.call_args
action, source = args
assert isinstance(action, ChangeAgentStateAction)
assert action.agent_state == AgentState.PAUSED
assert source == EventSource.USER
# Check that is_paused is still set (will be cleared when PAUSED state is processed)
assert is_paused.is_set()
# Run the test function
await test_func()
@pytest.mark.asyncio
async def test_awaiting_user_input_paused_skip(self):
"""Test that when is_paused is set, awaiting user input events do not trigger prompting."""
# Create a mock event with AgentStateChangedObservation
event = MagicMock()
event.observation = AgentStateChangedObservation(
agent_state=AgentState.AWAITING_USER_INPUT, content='Agent awaiting input'
)
# Create mock dependencies
is_paused = asyncio.Event()
reload_microagents = False
# Mock function that would be called if code reaches that point
mock_prompt_task = MagicMock()
# Create a closure to capture the current context
async def test_func():
# Set the pause event
is_paused.set()
# Create a context similar to run_session to call on_event_async
async def on_event_async_test(event):
nonlocal reload_microagents, is_paused
if isinstance(event.observation, AgentStateChangedObservation):
if event.observation.agent_state in [
AgentState.AWAITING_USER_INPUT,
AgentState.FINISHED,
]:
# If the agent is paused, do not prompt for input
if is_paused.is_set():
return
# This code should not be reached if is_paused is set
mock_prompt_task()
# Call on_event_async_test
await on_event_async_test(event)
# Verify that mock_prompt_task was not called
mock_prompt_task.assert_not_called()
# Run the test
await test_func()
@pytest.mark.asyncio
async def test_awaiting_confirmation_paused_skip(self):
"""Test that when is_paused is set, awaiting confirmation events do not trigger prompting."""
# Create a mock event with AgentStateChangedObservation
event = MagicMock()
event.observation = AgentStateChangedObservation(
agent_state=AgentState.AWAITING_USER_CONFIRMATION,
content='Agent awaiting confirmation',
)
# Create mock dependencies
is_paused = asyncio.Event()
# Mock function that would be called if code reaches that point
mock_confirmation = MagicMock()
# Create a closure to capture the current context
async def test_func():
# Set the pause event
is_paused.set()
# Create a context similar to run_session to call on_event_async
async def on_event_async_test(event):
nonlocal is_paused
if isinstance(event.observation, AgentStateChangedObservation):
if (
event.observation.agent_state
== AgentState.AWAITING_USER_CONFIRMATION
):
if is_paused.is_set():
return
# This code should not be reached if is_paused is set
mock_confirmation()
# Call on_event_async_test
await on_event_async_test(event)
# Verify that confirmation function was not called
mock_confirmation.assert_not_called()
# Run the test
await test_func()
class TestCliCommandsPauseResume:
@pytest.mark.asyncio
@patch('openhands.cli.commands.handle_resume_command')
async def test_handle_commands_resume(self, mock_handle_resume):
"""Test that the handle_commands function properly calls handle_resume_command."""
# Import here to avoid circular imports in test
from openhands.cli.commands import handle_commands
# Create mocks
message = '/resume'
event_stream = MagicMock()
usage_metrics = MagicMock()
sid = 'test-session-id'
config = MagicMock()
current_dir = '/test/dir'
settings_store = MagicMock()
# Mock return value
mock_handle_resume.return_value = (False, False)
# Call handle_commands
close_repl, reload_microagents, new_session_requested = await handle_commands(
message,
event_stream,
usage_metrics,
sid,
config,
current_dir,
settings_store,
)
# Check that handle_resume_command was called with correct args
mock_handle_resume.assert_called_once_with(event_stream)
# Check the return values
assert close_repl is False
assert reload_microagents is False
assert new_session_requested is False
class TestAgentStatePauseResume:
@pytest.mark.asyncio
@patch('openhands.cli.main.display_agent_running_message')
@patch('openhands.cli.main.process_agent_pause')
async def test_agent_running_enables_pause(
self, mock_process_agent_pause, mock_display_message
):
"""Test that when the agent is running, pause functionality is enabled."""
# Create a mock event and event stream
event = MagicMock()
event.observation = AgentStateChangedObservation(
agent_state=AgentState.RUNNING, content='Agent is running'
)
event_stream = MagicMock()
# Create mock dependencies
is_paused = asyncio.Event()
loop = MagicMock()
reload_microagents = False
# Create a closure to capture the current context
async def test_func():
# Create a context similar to run_session to call on_event_async
async def on_event_async_test(event):
nonlocal reload_microagents
if isinstance(event.observation, AgentStateChangedObservation):
if event.observation.agent_state == AgentState.RUNNING:
mock_display_message()
loop.create_task(
mock_process_agent_pause(is_paused, event_stream)
)
# Call on_event_async_test
await on_event_async_test(event)
# Check that display_agent_running_message was called
mock_display_message.assert_called_once()
# Check that loop.create_task was called
loop.create_task.assert_called_once()
# Run the test function
await test_func()
@pytest.mark.asyncio
@patch('openhands.cli.main.display_event')
@patch('openhands.cli.main.update_usage_metrics')
async def test_pause_event_changes_agent_state(
self, mock_update_metrics, mock_display_event
):
"""Test that when is_paused is set, a PAUSED state change event is added to the stream."""
# Create mock dependencies
event = MagicMock()
event_stream = MagicMock()
is_paused = asyncio.Event()
config = MagicMock()
reload_microagents = False
# Set the pause event
is_paused.set()
# Create a closure to capture the current context
async def test_func():
# Create a context similar to run_session to call on_event_async
async def on_event_async_test(event):
nonlocal reload_microagents
mock_display_event(event, config)
mock_update_metrics(event, MagicMock())
# Pause the agent if the pause event is set (through Ctrl-P)
if is_paused.is_set():
event_stream.add_event(
ChangeAgentStateAction(AgentState.PAUSED),
EventSource.USER,
)
is_paused.clear()
# Call the function
await on_event_async_test(event)
# Check that the event_stream.add_event was called with the correct action
event_stream.add_event.assert_called_once()
args, kwargs = event_stream.add_event.call_args
action, source = args
assert isinstance(action, ChangeAgentStateAction)
assert action.agent_state == AgentState.PAUSED
assert source == EventSource.USER
# Check that is_paused was cleared
assert not is_paused.is_set()
# Run the test
await test_func()
@pytest.mark.asyncio
async def test_paused_agent_awaits_input(self):
"""Test that when the agent is paused, it awaits user input."""
# Create mock dependencies
event = MagicMock()
# AgentStateChangedObservation requires a content parameter
event.observation = AgentStateChangedObservation(
agent_state=AgentState.PAUSED, content='Agent state changed to PAUSED'
)
is_paused = asyncio.Event()
# Mock function that would be called for prompting
mock_prompt_task = MagicMock()
# Create a closure to capture the current context
async def test_func():
# Create a simplified version of on_event_async
async def on_event_async_test(event):
nonlocal is_paused
if isinstance(event.observation, AgentStateChangedObservation):
if event.observation.agent_state == AgentState.PAUSED:
is_paused.clear() # Revert the event state before prompting for user input
mock_prompt_task(event.observation.agent_state)
# Set is_paused to test that it gets cleared
is_paused.set()
# Call the function
await on_event_async_test(event)
# Check that is_paused was cleared
assert not is_paused.is_set()
# Check that prompt task was called with the correct state
mock_prompt_task.assert_called_once_with(AgentState.PAUSED)
# Run the test
await test_func()
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