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2026-07-13 12:23:53 +08:00

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JavaScript

// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
// ┃ ██████ ██████ ██████ █ █ █ █ █ █▄ ▀███ █ ┃
// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█ ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄ ▀█ █ ▀▀▀▀▀ ┃
// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄ █ ▄▄▄▄▄ ┃
// ┃ █ ██████ █ ▀█▄ █ ██████ █ ███▌▐███ ███████▄ █ ┃
// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
// ┃ 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";
import _ from "lodash";
var arrow_result = [
{
f32: 1.5,
f64: 1.5,
i64: 1,
i32: 1,
i16: 1,
i8: 1,
bool: true,
char: "a",
dict: "a",
datetime: +new Date("2018-01-25"),
},
{
f32: 2.5,
f64: 2.5,
i64: 2,
i32: 2,
i16: 2,
i8: 2,
bool: false,
char: "b",
dict: "b",
datetime: +new Date("2018-01-26"),
},
{
f32: 3.5,
f64: 3.5,
i64: 3,
i32: 3,
i16: 3,
i8: 3,
bool: true,
char: "c",
dict: "c",
datetime: +new Date("2018-01-27"),
},
{
f32: 4.5,
f64: 4.5,
i64: 4,
i32: 4,
i16: 4,
i8: 4,
bool: false,
char: "d",
dict: "d",
datetime: +new Date("2018-01-28"),
},
{
f32: 5.5,
f64: 5.5,
i64: 5,
i32: 5,
i16: 5,
i8: 5,
bool: true,
char: "d",
dict: "d",
datetime: +new Date("2018-01-29"),
},
];
((perspective) => {
test.describe("Multiple Perspectives", function () {
test("Constructs table using data generated by to_arrow()", async function () {
let table = await perspective.table(arrow_result);
let view = await table.view();
let result = await view.to_arrow();
let table2 = await perspective.table(result);
let view2 = await table2.view();
let result2 = await view2.to_json();
expect(result2).toEqual(arrow_result);
view.delete();
view2.delete();
table.delete();
table2.delete();
});
test("Constructs table using data in random column order generated by to_arrow()", async function () {
let table = await perspective.table(arrow_result);
let columns = _.shuffle(await table.columns());
let view = await table.view({
columns: columns,
});
let result = await view.to_arrow();
let table2 = await perspective.table(result);
let columns2 = _.shuffle(await table2.columns());
let view2 = await table2.view({
columns: columns2,
});
let result2 = await view2.to_json();
expect(result2).toEqual(arrow_result);
view.delete();
view2.delete();
table.delete();
table2.delete();
});
});
})(perspective);