23 lines
732 B
JavaScript
23 lines
732 B
JavaScript
 
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import { test } from "node:test";
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import assert from "node:assert/strict";
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import { add, complete, remove, format } from "../src/todo.js";
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test("add appends an open todo", () => {
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const todos = add([], "buy milk");
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assert.deepEqual(todos, [{ id: 1, text: "buy milk", done: false }]);
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});
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test("complete marks only the matching todo", () => {
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const todos = complete(add(add([], "a"), "b"), 2);
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assert.equal(todos[0].done, false);
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assert.equal(todos[1].done, true);
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});
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test("remove drops the matching todo", () => {
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const todos = remove(add(add([], "a"), "b"), 1);
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assert.deepEqual(todos.map((t) => t.text), ["b"]);
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});
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test("format renders an empty list", () => {
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assert.equal(format([]), "Nothing to do.");
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});
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