rewrite tests

test/secret-wrap.test.ts

@@ -0,0 +1,38 @@
+import {beforeAll, expect, test} from 'bun:test'
+import {SecretWrap} from '..'
+
+let k1!: CryptoKey;
+let k2!: CryptoKey;
+let message!: CryptoKey;
+
+beforeAll(async () => {
+  k1 = await SecretWrap.gen(false)
+  k2 = await SecretWrap.gen(true)
+  message = await SecretWrap.gen(true)
+})
+
+test('base case', async () => {
+  const box = await SecretWrap.encrypt(message, k1)
+  const unboxed = await box.decrypt(k1)
+  expect(unboxed).toEqual(message)
+})
+test("Different key can't decrypt", async () => {
+  const box = await SecretWrap.encrypt(message, k1)
+  const unboxed = await box.decrypt(k2)
+  expect(unboxed).toBeNull()
+})
+
+test('Key generation', async () => {
+  expect(k1.extractable).toBeFalse()
+  expect(k2.extractable).toBeTrue()
+})
+
+test('serialization', async () => {
+  const box = await SecretWrap.encrypt(message, k1)
+
+  const ser = box.toString()
+  const de = SecretWrap.fromString(ser)
+  expect(de).not.toBeNull()
+
+  expect(de).toEqual(box)
+})