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perspective-dev--perspective/rust/perspective-js/test/js/constructors/csv.spec.ts
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2026-07-13 12:25:07 +08:00

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// ┃ ██████ ██████ ██████ █ █ █ █ █ █▄ ▀███ █ ┃
// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█ ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄ ▀█ █ ▀▀▀▀▀ ┃
// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄ █ ▄▄▄▄▄ ┃
// ┃ █ ██████ █ ▀█▄ █ ██████ █ ███▌▐███ ███████▄ █ ┃
// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
// ┃ Copyright (c) 2017, the Perspective Authors. ┃
// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
// ┃ This file is part of the Perspective library, distributed under the terms ┃
// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
import { test, expect } from "@perspective-dev/test";
import perspective from "../perspective_client";
const CSV = "x,y,z\n1,2,3\n4,5,6";
test.describe("CSV Constructors", function () {
test("Handles String format", async function () {
const table = await perspective.table(CSV);
const v = await table.view();
const json = await v.to_json();
expect(json).toEqual([
{ x: 1, y: 2, z: 3 },
{ x: 4, y: 5, z: 6 },
]);
});
test("Handles String format with explicit format option", async function () {
const table = await perspective.table(CSV, {
format: "csv",
});
const v = await table.view();
const json = await v.to_json();
expect(json).toEqual([
{ x: 1, y: 2, z: 3 },
{ x: 4, y: 5, z: 6 },
]);
});
test("Handles ArrayBuffer format", async function () {
var enc = new TextEncoder();
const table = await perspective.table(enc.encode(CSV).buffer, {
format: "csv",
});
const v = await table.view();
const json = await v.to_json();
expect(json).toEqual([
{ x: 1, y: 2, z: 3 },
{ x: 4, y: 5, z: 6 },
]);
});
test("Handles UInt8Arry format", async function () {
var enc = new TextEncoder();
const table = await perspective.table(enc.encode(CSV), {
format: "csv",
});
const v = await table.view();
const json = await v.to_json();
expect(json).toEqual([
{ x: 1, y: 2, z: 3 },
{ x: 4, y: 5, z: 6 },
]);
});
});