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hermes-agent/tests/agent/test_compressor_media_stripping.py
teknium1 2002f03e42 test: purge low-value tests, lane py02 (261 removed)
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Python

"""Tests for MEDIA directive stripping in context compaction (#14665).
MEDIA directives in assistant messages must not leak into compaction
summaries — if they do, the downstream model re-emits them as active
directives on the next turn.
"""
import pytest
from unittest.mock import patch
from agent.context_compressor import ContextCompressor
@pytest.fixture()
def compressor():
with patch("agent.context_compressor.get_model_context_length", return_value=100000):
return ContextCompressor(
model="test/model",
threshold_percent=0.85,
protect_first_n=2,
protect_last_n=2,
quiet_mode=True,
)
class TestMediaDirectiveStripping:
"""MEDIA directives must be stripped before summarization (#14665)."""
def test_multiple_media_directives(self, compressor):
turns = [
{"role": "assistant", "content": "MEDIA:/a.ogg and MEDIA:/b.mp3"},
]
result = compressor._serialize_for_summary(turns)
assert "MEDIA:" not in result
assert result.count("[media attachment]") == 2
def test_multimodal_list_content_does_not_crash(self, compressor):
"""content as a list (multimodal) must be flattened to clean text.
Without flattening, str() coercion in redact_sensitive_text dumps
the raw part-dict repr — including base64 image data — into the
summarizer input, burning summary budget on noise.
"""
turns = [
{
"role": "user",
"content": [
{"type": "text", "text": "What is in this image?"},
{"type": "image_url", "image_url": {"url": "data:image/png;base64,abc123"}},
],
},
]
result = compressor._serialize_for_summary(turns)
assert "What is in this image?" in result
assert "[image]" in result
assert "base64" not in result