inline-schema/src/csv-loader/tests/parseCsv-basic.test.ts

113 lines
3.3 KiB
TypeScript

import { describe, it, expect } from "vitest";
import { parseCsv } from "../loader";
describe("parseCsv - basic parsing", () => {
it("should parse a simple CSV with primitive types", () => {
const csv = [
"name,age,active",
"string,number,boolean",
"Alice,30,true",
"Bob,25,false",
].join("\n");
const result = parseCsv(csv, { emitTypes: false });
expect(result.data).toHaveLength(2);
expect(result.data[0]).toEqual({ name: "Alice", age: 30, active: true });
expect(result.data[1]).toEqual({ name: "Bob", age: 25, active: false });
});
it("should parse CSV with int and float columns", () => {
const csv = [
"id,count,price",
"int,int,float",
"1,5,9.99",
"2,3,4.50",
].join("\n");
const result = parseCsv(csv, { emitTypes: false });
expect(result.data).toHaveLength(2);
expect(result.data[0]).toEqual({ id: 1, count: 5, price: 9.99 });
expect(result.data[1]).toEqual({ id: 2, count: 3, price: 4.5 });
});
it("should parse CSV with non-ASCII characters and comments", () => {
const csv = [
'# id: unique intent state ID (e.g. "仙人掌怪-boost")',
"id",
"string",
"仙人掌怪-boost",
"仙人掌怪-defend",
"仙人掌怪-attack",
].join("\n");
const result = parseCsv(csv, { emitTypes: false });
expect(result.data).toHaveLength(3);
expect(result.data[0]).toEqual({ id: "仙人掌怪-boost" });
expect(result.data[1]).toEqual({ id: "仙人掌怪-defend" });
expect(result.data[2]).toEqual({ id: "仙人掌怪-attack" });
});
it("should parse CSV with string literal columns (unquoted in CSV)", () => {
const csv = [
"name,status",
"string,'on' | 'off'",
"Alice,on",
"Bob,off",
].join("\n");
const result = parseCsv(csv, { emitTypes: false });
expect(result.data).toHaveLength(2);
expect(result.data[0]).toEqual({ name: "Alice", status: "on" });
expect(result.data[1]).toEqual({ name: "Bob", status: "off" });
});
it("should parse CSV with array columns", () => {
const csv = [
"name,tags",
"string,string[]",
"Alice,[dev; admin]",
"Bob,[user]",
].join("\n");
const result = parseCsv(csv, { emitTypes: false });
expect(result.data).toHaveLength(2);
expect(result.data[0]).toEqual({ name: "Alice", tags: ["dev", "admin"] });
expect(result.data[1]).toEqual({ name: "Bob", tags: ["user"] });
});
it("should parse CSV with tuple columns", () => {
const csv = [
"name,coords",
"string,[number; number]",
"Alice,[1; 2]",
"Bob,[3; 4]",
].join("\n");
const result = parseCsv(csv, { emitTypes: false });
expect(result.data).toHaveLength(2);
expect(result.data[0]).toEqual({ name: "Alice", coords: [1, 2] });
expect(result.data[1]).toEqual({ name: "Bob", coords: [3, 4] });
});
it("should require at least 2 rows (header + schema)", () => {
const csv = "name,age\nstring,number";
expect(() => parseCsv(csv, { emitTypes: false })).not.toThrow();
const csv1Row = "name,age";
expect(() => parseCsv(csv1Row, { emitTypes: false })).toThrow(
"at least 2 rows",
);
});
it("should throw if header and schema count mismatch", () => {
const csv = "name,age\nstring";
expect(() => parseCsv(csv, { emitTypes: false })).toThrow("does not match");
});
});