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2026-07-13 12:25:07 +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 { int_float_string_data } from "./_shared";
((perspective) => {
test.describe("to_json", function () {
test("should emit same number of column names as number of pivots", async function () {
let table = await perspective.table(int_float_string_data);
let view = await table.view({
group_by: ["int"],
split_by: ["float", "string"],
sort: [["int", "asc"]],
});
let json = await view.to_json();
// Get the first emitted column name that is not __ROW_PATH__
let name = Object.keys(json[0])[1];
// make sure that number of separators = num of split by
expect((name.match(/\|/g) || []).length).toEqual(2);
view.delete();
table.delete();
});
test("should return dates in native form by default", async function () {
let table = await perspective.table([
{ datetime: new Date("2016-06-13") },
{ datetime: new Date("2016-06-14") },
]);
let view = await table.view();
let json = await view.to_json();
expect(json).toEqual([
{ datetime: 1465776000000 },
{ datetime: 1465862400000 },
]);
view.delete();
table.delete();
});
test.skip("OG - should return dates in readable format on passing string in options", async function () {
let table = await perspective.table([
{ datetime: new Date("2016-06-13") },
{ datetime: new Date("2016-06-14") },
]);
let view = await table.view();
let json = await view.to_json({ formatted: true });
expect(json).toEqual([
{ datetime: "2016-06-13" },
{ datetime: "2016-06-14" },
]);
view.delete();
table.delete();
});
test("should return dates in readable format on passing string in options", async function () {
let table = await perspective.table({
date: "date",
});
await table.update([
{ date: new Date("2016-06-13") },
{ date: new Date("2016-06-14") },
]);
let view = await table.view();
let json = await view.to_json({ formatted: true });
expect(json).toEqual([
{ date: "2016-06-13" },
{ date: "2016-06-14" },
]);
view.delete();
table.delete();
});
test("should return datetimes in readable format on passing string in options", async function () {
let table = await perspective.table([
{ datetime: new Date(2016, 0, 1, 0, 30) },
{ datetime: new Date(2016, 5, 15, 19, 20) },
]);
let view = await table.view();
let json = await view.to_json({ formatted: true });
expect(json).toEqual([
{ datetime: "2016-01-01 00:30:00.000" },
{ datetime: "2016-06-15 19:20:00.000" },
]);
view.delete();
table.delete();
});
});
})(perspective);