@dpkit/table/build/field/types/string.spec.js

Data Package implementation in TypeScript.

import { DataFrame } from "nodejs-polars";
import { describe, expect, it } from "vitest";
import { processTable } from "../../table/index.js";
// TODO: Implement proper tests
// TODO: Currently, it fails on to JS conversion from Polars
describe.skip("parseStringField", () => {
    describe("categorical field", () => {
        it.each([["apple", "apple", { categories: ["apple", "banana"] }]])("$0 -> $1 $2", async (cell, value, options) => {
            const table = DataFrame({ name: [cell] }).lazy();
            const schema = {
                fields: [{ name: "name", type: "string", ...options }],
            };
            const ldf = await processTable(table, { schema });
            const df = await ldf.collect();
            expect(df.getColumn("name").get(0)).toEqual(value);
        });
    });
});
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