diff --git a/tests/integration/test_ansible_inventory.py b/tests/integration/test_ansible_inventory.py
new file mode 100644
index 0000000..57e65e1
--- /dev/null
+++ b/tests/integration/test_ansible_inventory.py
@@ -0,0 +1,178 @@
+"""Integration tests: ansible_targets / ansible_groups tables + fetch_scope_targets.
+
+Requires a live Postgres DB (STEWARD_DATABASE_URL).
+Run with:
+  pytest tests/integration/test_ansible_inventory.py -m integration -v
+"""
+from __future__ import annotations
+import os
+import uuid
+
+import pytest
+from sqlalchemy import select, text
+
+pytestmark = pytest.mark.integration
+
+_NEEDS_DB = pytest.mark.skipif(
+    not os.environ.get("STEWARD_DATABASE_URL"),
+    reason="integration test needs a live Postgres (STEWARD_DATABASE_URL)",
+)
+
+
+def _make_app():
+    from steward.app import create_app
+    import asyncio
+    return asyncio.run(create_app(testing=False))
+
+
+@_NEEDS_DB
+def test_ansible_targets_table_exists():
+    """Migration 0015 created the ansible_targets table."""
+    app = _make_app()
+
+    async def _check():
+        async with app.db_sessionmaker() as db:
+            result = await db.execute(
+                text(
+                    "SELECT column_name FROM information_schema.columns "
+                    "WHERE table_name = 'ansible_targets'"
+                )
+            )
+            return {row[0] for row in result.fetchall()}
+
+    import asyncio
+    columns = asyncio.run(_check())
+    assert "id" in columns
+    assert "name" in columns
+    assert "address" in columns
+    assert "ansible_vars" in columns
+    assert "host_id" in columns
+
+
+@_NEEDS_DB
+def test_ansible_groups_table_exists():
+    """Migration 0016 created ansible_groups and ansible_target_groups."""
+    app = _make_app()
+
+    async def _check():
+        async with app.db_sessionmaker() as db:
+            groups_result = await db.execute(
+                text(
+                    "SELECT column_name FROM information_schema.columns "
+                    "WHERE table_name = 'ansible_groups'"
+                )
+            )
+            groups_cols = {row[0] for row in groups_result.fetchall()}
+
+            join_result = await db.execute(
+                text(
+                    "SELECT column_name FROM information_schema.columns "
+                    "WHERE table_name = 'ansible_target_groups'"
+                )
+            )
+            join_cols = {row[0] for row in join_result.fetchall()}
+        return groups_cols, join_cols
+
+    import asyncio
+    groups_cols, join_cols = asyncio.run(_check())
+    assert "id" in groups_cols
+    assert "name" in groups_cols
+    assert "ansible_vars" in groups_cols
+    assert "target_id" in join_cols
+    assert "group_id" in join_cols
+
+
+@_NEEDS_DB
+def test_ansible_run_scope_column_exists():
+    """Migration 0017 added inventory_scope to ansible_runs."""
+    app = _make_app()
+
+    async def _check():
+        async with app.db_sessionmaker() as db:
+            result = await db.execute(
+                text(
+                    "SELECT column_name FROM information_schema.columns "
+                    "WHERE table_name = 'ansible_runs'"
+                )
+            )
+            return {row[0] for row in result.fetchall()}
+
+    import asyncio
+    columns = asyncio.run(_check())
+    assert "inventory_scope" in columns
+    assert "inventory_path" in columns
+
+
+@_NEEDS_DB
+def test_create_target_and_group_and_fetch():
+    """Can create a target+group, assign membership, and fetch via fetch_scope_targets."""
+    from steward.models.ansible_inventory import AnsibleTarget, AnsibleGroup
+    from steward.ansible.inventory_gen import fetch_scope_targets, generate_inventory
+
+    app = _make_app()
+    target_id = str(uuid.uuid4())
+    group_id = str(uuid.uuid4())
+    target_name = f"test-target-{target_id[:8]}"
+    group_name = f"test-group-{group_id[:8]}"
+
+    async def _run():
+        # Create
+        async with app.db_sessionmaker() as db:
+            async with db.begin():
+                grp = AnsibleGroup(
+                    id=group_id,
+                    name=group_name,
+                    ansible_vars={"env": "test"},
+                )
+                tgt = AnsibleTarget(
+                    id=target_id,
+                    name=target_name,
+                    address="10.0.99.1",
+                    ansible_vars={"ansible_user": "ubuntu"},
+                )
+                tgt.groups.append(grp)
+                db.add(grp)
+                db.add(tgt)
+
+        # Fetch all — target must be in the list
+        async with app.db_sessionmaker() as db:
+            all_targets = await fetch_scope_targets(db, "steward:all")
+        assert any(t.id == target_id for t in all_targets)
+
+        # Fetch by group
+        async with app.db_sessionmaker() as db:
+            group_targets = await fetch_scope_targets(db, f"steward:group:{group_id}")
+        assert any(t.id == target_id for t in group_targets)
+
+        # Fetch single target
+        async with app.db_sessionmaker() as db:
+            single = await fetch_scope_targets(db, f"steward:target:{target_id}")
+        assert len(single) == 1
+        assert single[0].id == target_id
+
+        # Generate inventory and verify var merging
+        async with app.db_sessionmaker() as db:
+            targets = await fetch_scope_targets(db, f"steward:group:{group_id}")
+        inv = generate_inventory(targets)
+        assert target_name in inv["all"]["hosts"]
+        assert target_name in inv[group_name]["hosts"]
+        assert inv["_meta"]["hostvars"][target_name]["ansible_host"] == "10.0.99.1"
+        assert inv["_meta"]["hostvars"][target_name]["ansible_user"] == "ubuntu"
+        assert inv["_meta"]["hostvars"][target_name]["env"] == "test"
+
+        # Cleanup
+        async with app.db_sessionmaker() as db:
+            async with db.begin():
+                t = (await db.execute(
+                    select(AnsibleTarget).where(AnsibleTarget.id == target_id)
+                )).scalar_one_or_none()
+                if t:
+                    await db.delete(t)
+                g = (await db.execute(
+                    select(AnsibleGroup).where(AnsibleGroup.id == group_id)
+                )).scalar_one_or_none()
+                if g:
+                    await db.delete(g)
+
+    import asyncio
+    asyncio.run(_run())