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chore: import upstream snapshot with attribution
2026-07-13 11:56:03 +08:00

119 lines
4.2 KiB
Python

"""Tests for /compress <focus> — guided compression with focus topic.
Inspired by Claude Code's /compact <focus> feature.
"""
from unittest.mock import MagicMock, patch
from tests.cli.test_cli_init import _make_cli
def _make_history() -> list[dict[str, str]]:
return [
{"role": "user", "content": "one"},
{"role": "assistant", "content": "two"},
{"role": "user", "content": "three"},
{"role": "assistant", "content": "four"},
]
def test_focus_topic_extracted_and_passed(capsys):
"""Focus topic is extracted from the command and passed to _compress_context."""
shell = _make_cli()
history = _make_history()
compressed = [history[0], history[-1]]
shell.conversation_history = history
shell.agent = MagicMock()
shell.agent.compression_enabled = True
shell.agent._cached_system_prompt = ""
shell.agent._compress_context.return_value = (compressed, "")
def _estimate(messages):
if messages is history:
return 100
return 50
with patch("agent.model_metadata.estimate_messages_tokens_rough", side_effect=_estimate):
shell._manual_compress("/compress database schema")
output = capsys.readouterr().out
assert 'focus: "database schema"' in output
# Verify focus_topic was passed through
shell.agent._compress_context.assert_called_once()
call_kwargs = shell.agent._compress_context.call_args
assert call_kwargs.kwargs.get("focus_topic") == "database schema"
def test_no_focus_topic_when_bare_command(capsys):
"""When no focus topic is provided, None is passed."""
shell = _make_cli()
history = _make_history()
shell.conversation_history = history
shell.agent = MagicMock()
shell.agent.compression_enabled = True
shell.agent._cached_system_prompt = ""
shell.agent._compress_context.return_value = (list(history), "")
with patch("agent.model_metadata.estimate_messages_tokens_rough", return_value=100):
shell._manual_compress("/compress")
shell.agent._compress_context.assert_called_once()
call_kwargs = shell.agent._compress_context.call_args
assert call_kwargs.kwargs.get("focus_topic") is None
def test_empty_focus_after_command_treated_as_none(capsys):
"""Trailing whitespace after /compress does not produce a focus topic."""
shell = _make_cli()
history = _make_history()
shell.conversation_history = history
shell.agent = MagicMock()
shell.agent.compression_enabled = True
shell.agent._cached_system_prompt = ""
shell.agent._compress_context.return_value = (list(history), "")
with patch("agent.model_metadata.estimate_messages_tokens_rough", return_value=100):
shell._manual_compress("/compress ")
shell.agent._compress_context.assert_called_once()
call_kwargs = shell.agent._compress_context.call_args
assert call_kwargs.kwargs.get("focus_topic") is None
def test_focus_topic_printed_in_compression_banner(capsys):
"""The focus topic shows in the compression progress banner."""
shell = _make_cli()
history = _make_history()
compressed = [history[0], history[-1]]
shell.conversation_history = history
shell.agent = MagicMock()
shell.agent.compression_enabled = True
shell.agent._cached_system_prompt = ""
shell.agent._compress_context.return_value = (compressed, "")
with patch("agent.model_metadata.estimate_messages_tokens_rough", return_value=100):
shell._manual_compress("/compress API endpoints")
output = capsys.readouterr().out
assert 'focus: "API endpoints"' in output
def test_no_focus_prints_standard_banner(capsys):
"""Without focus, the standard banner (no focus: line) is printed."""
shell = _make_cli()
history = _make_history()
compressed = [history[0], history[-1]]
shell.conversation_history = history
shell.agent = MagicMock()
shell.agent.compression_enabled = True
shell.agent._cached_system_prompt = ""
shell.agent._compress_context.return_value = (compressed, "")
with patch("agent.model_metadata.estimate_messages_tokens_rough", return_value=100):
shell._manual_compress("/compress")
output = capsys.readouterr().out
assert "focus:" not in output
assert "Compressing" in output