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2026-09-08 07:21:34 -04:00
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+"""Tests for core domain invariants around artifacts & relationships."""
+
+from datetime import datetime, timezone
+from uuid import uuid4
+
+import pytest
+from pydantic import ValidationError
+
+from asf_domain import (
+    Artifact,
+    ArtifactCreate,
+    ArtifactRelationshipCreate,
+    ArtifactRelationship,
+    ArtifactType,
+    RelationshipType,
+    generate_id,
+)
+
+
+NOW = datetime(2026, 9, 7, 12, 0, 0, tzinfo=timezone.utc)
+
+
+def test_generate_id_returns_unique_uuid4() -> None:
+    a = generate_id()
+    b = generate_id()
+    assert a != b
+    assert a.version == 4
+
+
+def test_artifact_create_minimal() -> None:
+    body = ArtifactCreate(
+        project_id=uuid4(),
+        type=ArtifactType.REQUIREMENT,
+        title="Login page must support MFA",
+    )
+    assert body.type == ArtifactType.REQUIREMENT
+    assert body.metadata == {}
+
+
+def test_artifact_stored_round_trip() -> None:
+    tenant_id = uuid4()
+    project_id = uuid4()
+
+    a = Artifact(
+        tenant_id=tenant_id,
+        project_id=project_id,
+        type=ArtifactType.TASK,
+        title="Wire MFA provider",
+        content="- [ ] choose TOTP lib\n- [ ] enroll flow",
+        metadata={"estimated_points": 5, "labels": ["auth", "security"]},
+        created_at=NOW,
+        updated_at=NOW,
+    )
+    d = a.model_dump(mode="json")
+    # ensure UTC serialization works
+    assert d["created_at"].endswith("Z")
+    assert d["metadata"]["labels"] == ["auth", "security"]
+
+
+def test_artifact_rejects_empty_title() -> None:
+    with pytest.raises(ValidationError):
+        ArtifactCreate(project_id=uuid4(), type=ArtifactType.STORY, title="")
+
+
+def test_relationship_create() -> None:
+    a = uuid4()
+    b = uuid4()
+    rel = ArtifactRelationshipCreate(
+        relationship_type=RelationshipType.IMPLEMENTED_BY,
+        source_artifact_id=a,
+        target_artifact_id=b,
+    )
+    assert rel.source_artifact_id == a
+
+
+def test_relationship_stored_enforces_tenancy() -> None:
+    tenant_id = uuid4()
+    a, b = uuid4(), uuid4()
+    pa, pb = uuid4(), uuid4()
+    rel = ArtifactRelationship(
+        tenant_id=tenant_id,
+        source_project_id=pa,
+        target_project_id=pb,
+        relationship_type=RelationshipType.VERIFIED_BY,
+        source_artifact_id=a,
+        target_artifact_id=b,
+        created_at=NOW,
+        updated_at=NOW,
+    )
+    # a relationship carries both project ids for tenant isolation queries
+    assert rel.tenant_id == tenant_id
+    assert rel.source_project_id == pa
+    assert rel.target_project_id == pb