@dpkit/core/build/schema/validate.spec.js

Fast TypeScript data management framework built on top of the Data Package standard and Polars DataFrames

import { describe, expect, it } from "vitest";
import { validateSchema } from "./validate.js";
describe("validateSchema", () => {
    it("returns empty array for valid schema", async () => {
        const descriptor = {
            fields: [
                {
                    name: "id",
                    type: "integer",
                },
                {
                    name: "name",
                    type: "string",
                },
            ],
        };
        const result = await validateSchema(descriptor);
        expect(result.valid).toBe(true);
        expect(result.errors).toEqual([]);
    });
    it("returns validation errors for invalid schema", async () => {
        const descriptor = {
            fields: [
                {
                    name: "id",
                    type: 123, // Should be a string
                },
            ],
        };
        const result = await validateSchema(descriptor);
        expect(result.valid).toBe(false);
        expect(result.errors.length).toBeGreaterThan(0);
        const error = result.errors[0];
        expect(error).toBeDefined();
        if (error) {
            // The error could be either type or enum depending on schema validation
            expect(["type", "enum"]).toContain(error.keyword);
            expect(error.instancePath).toContain("/fields/0/type");
        }
    });
});
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