configure vitest

Author: bobbicodes

package.json

@@ -16,7 +16,8 @@
   "scripts": {
     "dev": "vite",
     "build": "vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "test": "vitest"
   },
   "devDependencies": {
     "shadow-cljs": "^2.23.8",

test/lang-clojure-eval.test.js

@@ -0,0 +1,21 @@
+import { assert, expect, test } from 'vitest'
+
+// Edit an assertion and save to see HMR in action
+
+test('Math.sqrt()', () => {
+  expect(Math.sqrt(4)).toBe(2)
+  expect(Math.sqrt(144)).toBe(12)
+  expect(Math.sqrt(2)).toBe(Math.SQRT2)
+})
+
+test('JSON', () => {
+  const input = {
+    foo: 'hello',
+    bar: 'world',
+  }
+
+  const output = JSON.stringify(input)
+
+  expect(output).eq('{"foo":"hello","bar":"world"}')
+  assert.deepEqual(JSON.parse(output), input, 'matches original')
+})

vite.config.js

@@ -1,5 +1,9 @@
 import { defineConfig } from "vite";
 
 export default defineConfig({
-    base: '/lang-clojure-eval/'
+    base: '/lang-clojure-eval/',
+    test: {
+        /* for example, use global to avoid globals imports (describe, test, expect): */
+        // globals: true,
+      }
 })