92 lines
4.5 KiB
JavaScript
92 lines
4.5 KiB
JavaScript
// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
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// ┃ ██████ ██████ ██████ █ █ █ █ █ █▄ ▀███ █ ┃
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// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█ ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄ ▀█ █ ▀▀▀▀▀ ┃
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// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄ █ ▄▄▄▄▄ ┃
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// ┃ █ ██████ █ ▀█▄ █ ██████ █ ███▌▐███ ███████▄ █ ┃
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// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
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// ┃ Copyright (c) 2017, the Perspective Authors. ┃
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// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
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// ┃ This file is part of the Perspective library, distributed under the terms ┃
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// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
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// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
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import { test, expect } from "@perspective-dev/test";
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import { describeDuckDB } from "./setup.js";
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describeDuckDB("view", (getClient) => {
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test("num_rows()", async function () {
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const table = await getClient().open_table("memory.superstore");
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const view = await table.view({ columns: ["Sales", "Profit"] });
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const numRows = await view.num_rows();
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expect(numRows).toBe(9994);
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await view.delete();
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});
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test("num_columns()", async function () {
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const table = await getClient().open_table("memory.superstore");
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const view = await table.view({
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columns: ["Sales", "Profit", "State"],
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});
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const numColumns = await view.num_columns();
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expect(numColumns).toBe(3);
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await view.delete();
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});
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test("schema()", async function () {
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const table = await getClient().open_table("memory.superstore");
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const view = await table.view({
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columns: ["Sales", "Profit", "State"],
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});
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const schema = await view.schema();
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expect(schema).toEqual({
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Sales: "float",
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Profit: "float",
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State: "string",
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});
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await view.delete();
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});
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test("to_json()", async function () {
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const table = await getClient().open_table("memory.superstore");
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const view = await table.view({
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columns: ["Sales", "Quantity"],
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});
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const json = await view.to_json({ start_row: 0, end_row: 5 });
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expect(json).toEqual([
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{ Sales: 261.96, Quantity: 2 },
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{ Sales: 731.94, Quantity: 3 },
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{ Sales: 14.62, Quantity: 2 },
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{ Sales: 957.5775, Quantity: 5 },
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{ Sales: 22.368, Quantity: 2 },
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]);
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await view.delete();
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});
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test("to_columns()", async function () {
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const table = await getClient().open_table("memory.superstore");
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const view = await table.view({
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columns: ["Sales", "Quantity"],
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});
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const columns = await view.to_columns({
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start_row: 0,
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end_row: 5,
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});
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expect(columns).toEqual({
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Sales: [261.96, 731.94, 14.62, 957.5775, 22.368],
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Quantity: [2, 3, 2, 5, 2],
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});
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await view.delete();
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});
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test("column_paths()", async function () {
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const table = await getClient().open_table("memory.superstore");
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const view = await table.view({
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columns: ["Sales", "Profit", "State"],
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});
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const paths = await view.column_paths();
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expect(paths).toEqual(["Sales", "Profit", "State"]);
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await view.delete();
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});
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});
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