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8904f7b 994a04c 8904f7b 994a04c 8904f7b 994a04c 8904f7b 994a04c 8904f7b 994a04c 8904f7b 994a04c 8904f7b | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 | """Unit tests for the Engineering Memory models, policies, services, and REST router."""
import sys
import os
import tempfile
from unittest.mock import patch
from fastapi.testclient import TestClient
# Ensure root directory is in sys.path
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from backend.api import app
from models.memory import (
RepositorySnapshot,
RepositoryEvent,
RepositoryTimeline,
TrendMetric,
)
from services.memory_service import (
RecentHistoryPolicy,
DependencyHistoryPolicy,
TimelineBuilder,
TrendAnalyzer,
EngineeringMemoryService,
)
client = TestClient(app)
def test_memory_models() -> None:
"""Verifies that Engineering Memory Pydantic models validate successfully."""
snap = RepositorySnapshot(
snapshot_id="test_repo_c1",
repository="owner/repo",
timestamp=1000.0,
commit_sha="c1",
branch="main",
analysis_version="2.0",
digital_twin_reference="twin::c1",
knowledge_graph_reference="kg::c1",
health_reference="health::c1",
metrics={"health_score": 95.0, "complexity": 2.0},
)
ev = RepositoryEvent(
event_id="e1",
repository="owner/repo",
timestamp=1005.0,
commit_sha="c1",
event_type="FileAdded",
affected_entity="src/main.py",
severity="info",
)
timeline = RepositoryTimeline(
repository="owner/repo", snapshots=[snap], events=[ev]
)
assert timeline.repository == "owner/repo"
assert len(timeline.snapshots) == 1
assert timeline.events[0].event_type == "FileAdded"
def test_timeline_builder_and_trends() -> None:
"""Verifies chronological timeline compilation and trend analytics calculations."""
repo = "owner/repo"
snap1 = RepositorySnapshot(
snapshot_id="r_c1",
repository=repo,
timestamp=1000.0,
commit_sha="c1",
branch="main",
analysis_version="2.0",
digital_twin_reference="twin::c1",
knowledge_graph_reference="kg::c1",
health_reference="health::c1",
metrics={"health_score": 90.0, "complexity": 2.0},
)
snap2 = RepositorySnapshot(
snapshot_id="r_c2",
repository=repo,
timestamp=2000.0,
commit_sha="c2",
branch="main",
analysis_version="2.0",
digital_twin_reference="twin::c2",
knowledge_graph_reference="kg::c2",
health_reference="health::c2",
metrics={"health_score": 95.0, "complexity": 4.0},
)
ev = RepositoryEvent(
event_id="e1",
repository=repo,
timestamp=1500.0,
commit_sha="c2",
event_type="ComplexityChanged",
affected_entity="complexity",
)
# 1. TimelineBuilder
builder = TimelineBuilder()
timeline = builder.build_timeline(repo, [snap2, snap1], [ev])
# Chronological sort order verification
assert timeline.snapshots[0].commit_sha == "c1"
assert timeline.snapshots[1].commit_sha == "c2"
assert len(timeline.events) == 1
# 2. TrendAnalyzer
analyzer = TrendAnalyzer()
trends = analyzer.analyze_trends([snap1, snap2])
# Complexity trend key verification (should show increasing direction)
complexity_trend = next(t for t in trends if t.metric_name == "complexity")
assert complexity_trend.direction == "Increasing"
assert complexity_trend.confidence > 0.0
def test_memory_policies() -> None:
"""Verifies that scoped memory policies prune history context as expected."""
repo = "owner/repo"
snaps = [
RepositorySnapshot(
snapshot_id=f"r_{i}",
repository=repo,
timestamp=float(i * 100),
commit_sha=f"c{i}",
branch="main",
analysis_version="2.0",
digital_twin_reference="twin",
knowledge_graph_reference="kg",
health_reference="health",
metrics={},
)
for i in range(1, 10)
]
events = [
RepositoryEvent(
event_id="e1",
repository=repo,
timestamp=150.0,
commit_sha="c1",
event_type="DependencyAdded",
affected_entity="requests",
),
RepositoryEvent(
event_id="e2",
repository=repo,
timestamp=250.0,
commit_sha="c2",
event_type="ArchitectureChanged",
affected_entity="src/utils.py",
),
]
# RecentHistoryPolicy (limit 3)
recent_policy = RecentHistoryPolicy(limit=3)
filtered_snaps, filtered_events = recent_policy.filter_context(snaps, events)
assert len(filtered_snaps) == 3
# Timestamps should map to latest: 700, 800, 900
assert filtered_snaps[0].timestamp == 700.0
# DependencyHistoryPolicy
dep_policy = DependencyHistoryPolicy()
_, dep_events = dep_policy.filter_context(snaps, events)
assert len(dep_events) == 1
assert dep_events[0].event_type == "DependencyAdded"
def test_memory_service_storage() -> None:
"""Verifies file-system read/write operations of Engineering Memory Service."""
repo = "owner/repo"
with tempfile.TemporaryDirectory() as tmpdir:
service = EngineeringMemoryService(base_dir=tmpdir)
# Verify empty load
assert service.load_snapshot(repo, "c1") is None
# Save snapshot
snap = RepositorySnapshot(
snapshot_id="r_c1",
repository=repo,
timestamp=1000.0,
commit_sha="c1",
branch="main",
analysis_version="2.0",
digital_twin_reference="twin",
knowledge_graph_reference="kg",
health_reference="health",
metrics={"health_score": 90.0},
)
service.save_snapshot(snap)
# Load snapshot
loaded = service.load_snapshot(repo, "c1")
assert loaded is not None
assert loaded.commit_sha == "c1"
assert loaded.metrics["health_score"] == 90.0
# Save and load events
ev = RepositoryEvent(
event_id="e1",
repository=repo,
timestamp=1005.0,
commit_sha="c1",
event_type="FileAdded",
affected_entity="src/main.py",
)
service.save_events(repo, "c1", [ev])
loaded_events = service.load_events(repo, "c1")
assert len(loaded_events) == 1
assert loaded_events[0].event_type == "FileAdded"
def test_memory_router_endpoints() -> None:
"""Verifies HTTP GET endpoints of the REST router return expected schemas."""
repo_name = "test-owner/test-repo"
with patch("backend.routers.memory.engineering_memory_service") as mock_service:
# Mock snapshots
snap = RepositorySnapshot(
snapshot_id="r_c1",
repository=repo_name,
timestamp=1000.0,
commit_sha="c1",
branch="main",
analysis_version="2.0",
digital_twin_reference="twin",
knowledge_graph_reference="kg",
health_reference="health",
metrics={"health_score": 95.0},
)
mock_service.navigator.get_history.return_value = [snap]
timeline = RepositoryTimeline(repository=repo_name, snapshots=[snap], events=[])
mock_service.navigator.get_timeline.return_value = timeline
mock_service.navigator.get_trends.return_value = [
TrendMetric(
metric_name="health_score",
direction="Stable",
velocity="Low",
volatility="Low",
confidence=1.0,
)
]
# Test GET snapshots
response = client.get("/api/repositories/test-owner/test-repo/memory/snapshots")
assert response.status_code == 200
assert len(response.json()) == 1
assert response.json()[0]["commit_sha"] == "c1"
# Test GET timeline
response = client.get("/api/repositories/test-owner/test-repo/memory/timeline")
assert response.status_code == 200
assert response.json()["repository"] == repo_name
# Test GET trends
response = client.get("/api/repositories/test-owner/test-repo/memory/trends")
assert response.status_code == 200
assert response.json()[0]["metric_name"] == "health_score"
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