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1cd5426aea
Use Napi to write a Node.js SDK that follows Polars for better maintainability, while keeping most of the logic in Rust.
35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
// Copyright 2024 Lance Developers.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import * as os from "os";
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import * as path from "path";
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import * as fs from "fs";
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import { Schema, Field, Float64 } from "apache-arrow";
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import { connect } from "../dist/index.js";
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test("open database", async () => {
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const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "test-open"));
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const db = await connect(tmpDir);
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let tableNames = await db.tableNames();
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expect(tableNames).toStrictEqual([]);
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const tbl = await db.createTable("test", [{ id: 1 }, { id: 2 }]);
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expect(await db.tableNames()).toStrictEqual(["test"]);
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const schema = tbl.schema;
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expect(schema).toEqual(new Schema([new Field("id", new Float64(), true)]));
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});
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