test: use PostgreSQL and live model integrations

backend/tests/test_foundation.py

@@ -1,13 +1,19 @@
 from pathlib import Path
 
 import pytest
-from sqlalchemy import select
+from sqlalchemy import select, text
 
 from wisegrade.models import CourseObjective, CourseVersion, GraduationIndicator, RubricCriterion, RubricScoreLevel, RubricVersion, TopicDirection
 from wisegrade.rules import RubricData, totals
 from wisegrade.storage import classify, extract_identity, parse_student_folder, secure_path, sha256
 
 
+def test_postgresql_migrations_and_vector_extension(db):
+    assert db.bind.dialect.name == "postgresql"
+    assert db.scalar(text("SELECT version_num FROM alembic_version")) == "0002"
+    assert db.scalar(text("SELECT extname FROM pg_extension WHERE extname = 'vector'")) == "vector"
+
+
 def test_seeded_course_and_weights(db):
     version = db.scalar(select(CourseVersion))
     rubric = db.scalar(select(RubricVersion))