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c62301e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | """Tests for ArchitectureMemory Redis fallback behavior."""
import json
from pathlib import Path
from unittest.mock import MagicMock, patch
import pytest
def _count_default_patterns_in_json() -> int:
"""Return the number of patterns in the fallback JSON file."""
from app.core.architecture_memory import _FALLBACK_PATTERNS_PATH
with open(_FALLBACK_PATTERNS_PATH) as f:
return len(json.load(f))
class TestArchitectureMemoryRedisFallback:
"""DS-07: ArchitectureMemory should fall back to local file when Redis is unavailable."""
@patch("app.core.architecture_memory.settings")
async def test_seed_falls_back_to_local_file(
self, mock_settings
) -> None:
"""When Redis is not configured, seed_default_patterns loads from local file."""
mock_settings.upstash_redis_rest_url = ""
mock_settings.upstash_redis_rest_token = ""
from app.core.architecture_memory import ArchitectureMemory
mem = ArchitectureMemory()
assert not mem.is_configured
seeded = await mem.seed_default_patterns()
expected = _count_default_patterns_in_json()
assert seeded == expected
@patch("app.core.architecture_memory.settings")
async def test_cache_session_returns_false_no_crash(
self, mock_settings
) -> None:
"""When Redis is unavailable, cache_session returns False without crashing."""
mock_settings.upstash_redis_rest_url = ""
mock_settings.upstash_redis_rest_token = ""
from app.core.architecture_memory import ArchitectureMemory
mem = ArchitectureMemory()
assert not mem.is_configured
result = await mem.cache_session("test-session", {"key": "value"})
assert result is False
@patch("app.core.architecture_memory.settings")
async def test_get_pattern_returns_none_when_redis_unavailable(
self, mock_settings
) -> None:
"""When Redis is unavailable, get_pattern returns None."""
mock_settings.upstash_redis_rest_url = ""
mock_settings.upstash_redis_rest_token = ""
from app.core.architecture_memory import ArchitectureMemory
mem = ArchitectureMemory()
assert not mem.is_configured
pattern = await mem.get_pattern("pattern_monolithic")
assert pattern is None
@patch("app.core.architecture_memory.settings")
async def test_redis_unavailable_then_recovers(
self, mock_settings
) -> None:
"""When Redis returns to health, subsequent calls use Redis again."""
mock_settings.upstash_redis_rest_url = ""
mock_settings.upstash_redis_rest_token = ""
from app.core.architecture_memory import ArchitectureMemory
from app.core.architecture_memory import _FALLBACK_PATTERNS_PATH
mem = ArchitectureMemory()
assert not mem.is_configured
# Seed from fallback - should work without Redis
seeded = await mem.seed_default_patterns()
assert seeded > 0
# Now simulate Redis being configured by patching URL and token
mock_settings.upstash_redis_rest_url = "https://test.upstash.com"
mock_settings.upstash_redis_rest_token = "test-token"
# Re-create memory so it connects
mem2 = ArchitectureMemory()
# It won't actually connect (mock redis), but is_configured should
# be True because settings now have values
assert mem2.url == "https://test.upstash.com"
# The initialization will attempt to import redis - let's mock it
# For this test, just verify the settings were picked up
@patch("app.core.architecture_memory.settings")
async def test_seed_returns_zero_without_any_fallback(
self, mock_settings
) -> None:
"""When fallback file is missing, seed_default_patterns returns 0."""
mock_settings.upstash_redis_rest_url = ""
mock_settings.upstash_redis_rest_token = ""
from app.core.architecture_memory import (
ArchitectureMemory,
_FALLBACK_PATTERNS_PATH,
)
mem = ArchitectureMemory()
assert not mem.is_configured
original_path = _FALLBACK_PATTERNS_PATH
# Temporarily point to a non-existent file
with patch(
"app.core.architecture_memory._FALLBACK_PATTERNS_PATH",
Path("/nonexistent/patterns.json"),
):
seeded = await mem.seed_default_patterns()
assert seeded == 0
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