// Copyright 2024 Lance Developers. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import * as os from "os"; import * as path from "path"; import * as fs from "fs"; import { Schema, Field, Float64 } from "apache-arrow"; import { connect } from "../dist/index.js"; test("open database", async () => { const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "test-open")); const db = await connect(tmpDir); let tableNames = await db.tableNames(); expect(tableNames).toStrictEqual([]); const tbl = await db.createTable("test", [{ id: 1 }, { id: 2 }]); expect(await db.tableNames()).toStrictEqual(["test"]); const schema = tbl.schema; expect(schema).toEqual(new Schema([new Field("id", new Float64(), true)])); });