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Simple Test Framework JavaScript (in browser)
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| // add tests here, comment out to disable | |
| import "./example.test.js"; | |
| console.log("This should only show up when running tests"); |
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| import { test, assert } from "test.js"; | |
| test("1+1", () => { | |
| assert(1 + 1 === 2); | |
| }); |
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| /** @type {[string, () => Promise<void> | void][]} */ | |
| const tests = []; | |
| /** | |
| * | |
| * @param {string} description | |
| * @param {() => Promise<void> | void} testFunc | |
| */ | |
| export async function test(description, testFunc) { | |
| tests.push([description, testFunc]); | |
| } | |
| export async function runAllTests() { | |
| const main = document.querySelector("main"); | |
| if (!(main instanceof HTMLElement)) throw new Error(); | |
| main.innerHTML = ""; | |
| for (const [description, testFunc] of tests) { | |
| const newSpan = document.createElement("p"); | |
| try { | |
| await testFunc(); | |
| newSpan.textContent = `✅ ${description}`; | |
| } catch (err) { | |
| const errorMessage = | |
| err instanceof Error && err.message ? ` - ${err.message}` : ""; | |
| newSpan.textContent = `❌ ${description}${errorMessage}`; | |
| } | |
| main.appendChild(newSpan); | |
| } | |
| } | |
| /** | |
| * @param {any} val | |
| */ | |
| export function assert(val, message = "") { | |
| if (!val) throw new Error(message); | |
| } |
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