chore: import upstream snapshot with attribution

2026-07-13 12:25:07 +08:00
commit a26e856398
1681 changed files with 296950 additions and 0 deletions
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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";
+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);