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Merges full history from art-dag/mono.git into the monorepo under the artdag/ directory. Contains: core (DAG engine), l1 (Celery rendering server), l2 (ActivityPub registry), common (shared templates/middleware), client (CLI), test (e2e). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> git-subtree-dir: artdag git-subtree-mainline:1a179de547git-subtree-split:4c2e716558
164 lines
4.5 KiB
Python
164 lines
4.5 KiB
Python
# tests/test_primitive_new/test_cache.py
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"""Tests for primitive cache module."""
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import pytest
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import tempfile
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from pathlib import Path
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from artdag.cache import Cache, CacheStats
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@pytest.fixture
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def cache_dir():
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"""Create temporary cache directory."""
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with tempfile.TemporaryDirectory() as tmpdir:
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yield Path(tmpdir)
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@pytest.fixture
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def cache(cache_dir):
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"""Create cache instance."""
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return Cache(cache_dir)
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@pytest.fixture
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def sample_file(cache_dir):
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"""Create a sample file to cache."""
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file_path = cache_dir / "sample.txt"
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file_path.write_text("test content")
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return file_path
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class TestCache:
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"""Test Cache class."""
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def test_cache_creation(self, cache_dir):
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"""Test cache directory is created."""
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cache = Cache(cache_dir / "new_cache")
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assert cache.cache_dir.exists()
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def test_cache_put_and_get(self, cache, sample_file):
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"""Test putting and getting from cache."""
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node_id = "abc123"
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cached_path = cache.put(node_id, sample_file, "TEST")
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assert cached_path.exists()
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assert cache.has(node_id)
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retrieved = cache.get(node_id)
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assert retrieved == cached_path
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def test_cache_miss(self, cache):
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"""Test cache miss returns None."""
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result = cache.get("nonexistent")
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assert result is None
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def test_cache_stats_hit_miss(self, cache, sample_file):
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"""Test cache hit/miss stats."""
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cache.put("abc123", sample_file, "TEST")
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# Miss
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cache.get("nonexistent")
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assert cache.stats.misses == 1
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# Hit
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cache.get("abc123")
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assert cache.stats.hits == 1
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assert cache.stats.hit_rate == 0.5
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def test_cache_remove(self, cache, sample_file):
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"""Test removing from cache."""
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node_id = "abc123"
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cache.put(node_id, sample_file, "TEST")
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assert cache.has(node_id)
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cache.remove(node_id)
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assert not cache.has(node_id)
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def test_cache_clear(self, cache, sample_file):
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"""Test clearing cache."""
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cache.put("node1", sample_file, "TEST")
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cache.put("node2", sample_file, "TEST")
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assert cache.stats.total_entries == 2
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cache.clear()
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assert cache.stats.total_entries == 0
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assert not cache.has("node1")
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assert not cache.has("node2")
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def test_cache_preserves_extension(self, cache, cache_dir):
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"""Test that cache preserves file extension."""
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mp4_file = cache_dir / "video.mp4"
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mp4_file.write_text("fake video")
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cached = cache.put("video_node", mp4_file, "SOURCE")
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assert cached.suffix == ".mp4"
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def test_cache_list_entries(self, cache, sample_file):
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"""Test listing cache entries."""
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cache.put("node1", sample_file, "TYPE1")
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cache.put("node2", sample_file, "TYPE2")
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entries = cache.list_entries()
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assert len(entries) == 2
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node_ids = {e.node_id for e in entries}
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assert "node1" in node_ids
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assert "node2" in node_ids
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def test_cache_persistence(self, cache_dir, sample_file):
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"""Test cache persists across instances."""
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# First instance
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cache1 = Cache(cache_dir)
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cache1.put("abc123", sample_file, "TEST")
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# Second instance loads from disk
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cache2 = Cache(cache_dir)
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assert cache2.has("abc123")
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def test_cache_prune_by_age(self, cache, sample_file):
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"""Test pruning by age."""
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import time
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cache.put("old_node", sample_file, "TEST")
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# Manually set old creation time
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entry = cache._entries["old_node"]
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entry.created_at = time.time() - 3600 # 1 hour ago
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removed = cache.prune(max_age_seconds=1800) # 30 minutes
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assert removed == 1
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assert not cache.has("old_node")
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def test_cache_output_path(self, cache):
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"""Test getting output path for node."""
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path = cache.get_output_path("abc123", ".mp4")
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assert path.suffix == ".mp4"
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assert "abc123" in str(path)
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assert path.parent.exists()
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class TestCacheStats:
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"""Test CacheStats class."""
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def test_hit_rate_calculation(self):
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"""Test hit rate calculation."""
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stats = CacheStats()
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stats.record_hit()
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stats.record_hit()
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stats.record_miss()
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assert stats.hits == 2
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assert stats.misses == 1
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assert abs(stats.hit_rate - 0.666) < 0.01
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def test_initial_hit_rate(self):
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"""Test hit rate with no requests."""
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stats = CacheStats()
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assert stats.hit_rate == 0.0
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