xingyue
dbb7885ffd
CI / check (pull_request) Failing after 1m39s
- Auto-fix: import sorting, formatting (17 files) - Unsafe auto-fix: unused vars, template literals (7 files) - Manual: nursery/noConsole → suspicious/noConsole suppression - Manual: suppress noExcessiveCognitiveComplexity for cmdThreadResume and parseWorkflowPayload - Manual: remove unused destructured vars in current-role tests Closes #48
52 lines
1.3 KiB
TypeScript
52 lines
1.3 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { err, ok } from "../src/result.js";
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describe("result", () => {
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describe("ok", () => {
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it("wraps a value", () => {
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const r = ok(42);
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expect(r).toEqual({ ok: true, value: 42 });
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});
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it("wraps a string value", () => {
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const r = ok("hello");
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expect(r.ok).toBe(true);
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if (r.ok) expect(r.value).toBe("hello");
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});
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});
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describe("err", () => {
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it("wraps an error", () => {
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const r = err("fail");
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expect(r).toEqual({ ok: false, error: "fail" });
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});
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it("wraps an Error object", () => {
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const e = new Error("boom");
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const r = err(e);
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expect(r.ok).toBe(false);
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if (!r.ok) expect(r.error).toBe(e);
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});
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});
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describe("type narrowing", () => {
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it("narrows ok result", () => {
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const r = ok(10) as ReturnType<typeof ok<number>> | ReturnType<typeof err<string>>;
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if (r.ok) {
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expect(r.value).toBe(10);
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} else {
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expect.unreachable();
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}
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});
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it("narrows err result", () => {
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const r = err("bad") as ReturnType<typeof ok<number>> | ReturnType<typeof err<string>>;
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if (!r.ok) {
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expect(r.error).toBe("bad");
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} else {
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expect.unreachable();
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}
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});
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});
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});
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