87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
"""Tests for context_compactor.py — constants and prompt templates.
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Uses mock imports to avoid loading the full app stack."""
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import sys
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from unittest.mock import MagicMock
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# Mock heavy dependencies before importing
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for mod in [
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'sqlalchemy', 'sqlalchemy.orm', 'sqlalchemy.ext', 'sqlalchemy.ext.declarative',
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'sqlalchemy.ext.hybrid', 'sqlalchemy.sql', 'sqlalchemy.sql.expression',
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'src.database',
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'core.models', 'core.database',
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]:
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if mod not in sys.modules:
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sys.modules[mod] = MagicMock()
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from src.context_compactor import (
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COMPACT_THRESHOLD,
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SELF_SUMMARY_SYSTEM_PROMPT,
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SUMMARY_MAX_TOKENS,
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trim_for_context,
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)
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class TestCompactThreshold:
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def test_value(self):
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assert COMPACT_THRESHOLD == 0.85
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def test_summary_max_tokens(self):
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assert SUMMARY_MAX_TOKENS == 1024
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class TestSelfSummaryPrompt:
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def test_contains_goal_section(self):
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assert "### User Goal" in SELF_SUMMARY_SYSTEM_PROMPT
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def test_contains_what_was_done_section(self):
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assert "### What Was Done" in SELF_SUMMARY_SYSTEM_PROMPT
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def test_contains_current_state_section(self):
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assert "### Current State" in SELF_SUMMARY_SYSTEM_PROMPT
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def test_contains_pending_section(self):
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assert "### Pending / Next Steps" in SELF_SUMMARY_SYSTEM_PROMPT
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def test_contains_key_context_section(self):
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assert "### Key Context" in SELF_SUMMARY_SYSTEM_PROMPT
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def test_count_placeholder(self):
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assert "{count}" in SELF_SUMMARY_SYSTEM_PROMPT
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def test_n_placeholder(self):
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assert "{n}" in SELF_SUMMARY_SYSTEM_PROMPT
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def test_mentions_compactions(self):
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assert "Compactions so far" in SELF_SUMMARY_SYSTEM_PROMPT
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class TestTrimForContext:
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def test_keeps_current_large_user_message_by_truncating(self):
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huge = "A" * 20000
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messages = [
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{"role": "system", "content": "You are helpful."},
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{"role": "user", "content": huge},
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]
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trimmed = trim_for_context(messages, context_length=2048, reserve_tokens=512)
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user_msgs = [m for m in trimmed if m.get("role") == "user"]
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assert len(user_msgs) == 1
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content = user_msgs[0]["content"]
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assert "pasted message was too large" in content
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assert content.startswith("A")
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assert len(content) < len(huge)
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def test_drops_older_messages_before_latest_user_paste(self):
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huge = "B" * 12000
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messages = [{"role": "system", "content": "You are helpful."}]
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messages.extend({"role": "user", "content": f"old-{i} " + ("x" * 1000)} for i in range(8))
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messages.append({"role": "user", "content": huge})
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trimmed = trim_for_context(messages, context_length=2048, reserve_tokens=512)
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assert trimmed[-1]["role"] == "user"
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assert "pasted message was too large" in trimmed[-1]["content"]
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assert "old-0" not in "\n".join(str(m.get("content", "")) for m in trimmed)
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