Initial implementation

tests/test_inspection.py

@@ -0,0 +1,59 @@
+from infospace_bench.checks import run_collection_checks
+from infospace_bench.inspection import export_mermaid, relationship_summary
+from infospace_bench.models import KnowledgeArtifact, ViabilityThreshold
+from infospace_bench.viability import evaluate_viability
+
+
+def artifacts() -> list[KnowledgeArtifact]:
+    return [
+        KnowledgeArtifact(
+            id="source/a.md",
+            path="artifacts/sources/a.md",
+            kind="source",
+            title="A",
+            relationships=[{"type": "supports", "target": "generated/b.md"}],
+        ),
+        KnowledgeArtifact(
+            id="generated/b.md",
+            path="artifacts/generated/b.md",
+            kind="generated",
+            title="B",
+            relationships=[{"type": "refines", "target": "source/a.md"}],
+        ),
+    ]
+
+
+def test_collection_checks_produce_viability_metrics() -> None:
+    report = run_collection_checks(artifacts())
+
+    assert report.metrics["redundancy_ratio"] == 0
+    assert report.metrics["coverage_ratio"] == 1
+    assert report.metrics["coherence_components"] == 1
+    assert report.metrics["consistency_cycles"] == 1
+    assert report.metrics["granularity_entropy"] == 1
+
+
+def test_viability_reports_per_threshold_and_overall_result() -> None:
+    report = evaluate_viability(
+        {"coverage_ratio": 0.75, "consistency_cycles": 1},
+        {
+            "coverage_ratio": ViabilityThreshold(min=0.5),
+            "consistency_cycles": ViabilityThreshold(max=0),
+        },
+    )
+
+    assert report.passed is False
+    assert report.results["coverage_ratio"].passed is True
+    assert report.results["consistency_cycles"].passed is False
+
+
+def test_relationship_summary_and_mermaid_export() -> None:
+    summary = relationship_summary(artifacts())
+
+    assert summary.node_count == 2
+    assert summary.edge_count == 2
+    assert summary.relationship_types == {"refines": 1, "supports": 1}
+
+    mermaid = export_mermaid(summary)
+    assert "source/a.md -->|supports| generated/b.md" in mermaid
+    assert "generated/b.md -->|refines| source/a.md" in mermaid