refactor(db)!: finalize pooled WNDB v2 migration

tests/unit/test_wndb_importer.py

@@ -0,0 +1,66 @@
+from contextlib import contextmanager
+from pathlib import Path
+
+from app.native.wndb.core.database import ChangeSet
+from app.native.wndb.inp import importer
+
+
+def test_import_inp_uses_unique_file_and_always_removes_it(monkeypatch) -> None:
+    paths: list[str] = []
+
+    def fake_read_inp(_project: str, path: str, _version: str) -> bool:
+        assert Path(path).read_text(encoding="utf-8") == "[TITLE]\nmodel"
+        paths.append(path)
+        return True
+
+    monkeypatch.setattr(importer, "read_inp", fake_read_inp)
+    change_set = ChangeSet({"inp": "[TITLE]\nmodel"})
+
+    assert importer.import_inp("project_a", change_set) is True
+    assert importer.import_inp("project_a", change_set) is True
+
+    assert paths[0] != paths[1]
+    assert all(not Path(path).exists() for path in paths)
+
+
+def test_read_inp_refreshes_after_committed_replace_when_cleanup_fails(
+    monkeypatch,
+) -> None:
+    events: list[str] = []
+
+    @contextmanager
+    def fake_transaction(_project: str):
+        yield
+
+    monkeypatch.setattr(importer, "have_project", lambda _project: True)
+    monkeypatch.setattr(
+        importer, "temporary_project_name", lambda _project, _purpose: "staging"
+    )
+    monkeypatch.setattr(
+        importer,
+        "copy_project",
+        lambda _source, _target: events.append("copy"),
+    )
+    monkeypatch.setattr(importer, "project_transaction", fake_transaction)
+    monkeypatch.setattr(
+        importer, "parse_file", lambda *_args: events.append("parse")
+    )
+    monkeypatch.setattr(
+        importer,
+        "replace_project_model",
+        lambda *_args: events.append("replace"),
+    )
+
+    def fail_cleanup(_project: str) -> None:
+        events.append("cleanup-failed")
+        raise RuntimeError("drop failed")
+
+    monkeypatch.setattr(importer, "delete_project", fail_cleanup)
+    monkeypatch.setattr(
+        importer,
+        "refresh_materialized_views_after_commit",
+        lambda _project: events.append("refresh"),
+    )
+
+    assert importer.read_inp("project_a", "model.inp") is True
+    assert events == ["copy", "parse", "replace", "cleanup-failed", "refresh"]