Files
TJWaterServerBinary/tests/unit/test_wndb_materialized_refresh.py
T

114 lines
3.2 KiB
Python

import pytest
from app.native.wndb.core import database
def _command(statement: str) -> database.DatabaseCommand:
return database.DatabaseCommand(statement, [])
def test_database_command_has_no_removed_undo_state() -> None:
changes = [{"operation": "update", "type": "title", "value": "new"}]
command = database.DatabaseCommand("SELECT 1", changes)
assert vars(command) == {"sql": "SELECT 1", "changes": changes}
assert not hasattr(command, "undo_sql")
assert not hasattr(command, "undo_cs")
def test_direct_model_write_refreshes_materialized_views(monkeypatch) -> None:
events: list[str] = []
monkeypatch.setattr(
database,
"write",
lambda _name, _statement: events.append("write"),
)
monkeypatch.setattr(
database,
"is_project_transaction_active",
lambda _name: False,
)
monkeypatch.setattr(
database,
"refresh_materialized_views_after_commit",
lambda _name: events.append("refresh"),
)
result = database.execute_command(
"project_a",
database.DatabaseCommand(
"UPDATE network.junctions SET elevation = 1",
[{"operation": "update", "type": "junction", "id": "J-1"}],
),
)
assert events == ["write", "refresh"]
assert result.operations == [
{"operation": "update", "type": "junction", "id": "J-1"}
]
def test_batch_model_write_defers_materialized_view_refresh(monkeypatch) -> None:
events: list[str] = []
monkeypatch.setattr(
database,
"write",
lambda _name, _statement: events.append("write"),
)
monkeypatch.setattr(
database,
"is_project_transaction_active",
lambda _name: True,
)
monkeypatch.setattr(
database,
"refresh_materialized_views_after_commit",
lambda _name: events.append("refresh"),
)
database.execute_command(
"project_a",
_command("UPDATE network.junctions SET elevation = 1"),
)
assert events == ["write"]
def test_refresh_after_commit_reports_that_changes_are_durable(monkeypatch) -> None:
def fail_refresh(_name: str) -> None:
raise RuntimeError("refresh failed")
monkeypatch.setattr(database, "refresh_materialized_views", fail_refresh)
with pytest.raises(
database.MaterializedViewRefreshAfterCommitError,
match="changes were committed",
) as exc_info:
database.refresh_materialized_views_after_commit("project_a")
assert exc_info.value.project == "project_a"
assert exc_info.value.changes_committed is True
assert isinstance(exc_info.value.__cause__, RuntimeError)
def test_non_gis_model_write_does_not_refresh_materialized_views(monkeypatch) -> None:
events: list[str] = []
monkeypatch.setattr(
database,
"write",
lambda _name, _statement: events.append("write"),
)
monkeypatch.setattr(
database,
"refresh_materialized_views",
lambda _name: events.append("refresh"),
)
database.execute_command(
"project_a",
_command("UPDATE network.time_settings SET value = '01:00'"),
)
assert events == ["write"]