test: before and after hooks

test/hooks.test.ts

@@ -0,0 +1,43 @@
+import { it, describe, assert, beforeAll, afterAll, beforeEach, afterEach } from '../src'
+
+describe('before and after hooks', () => {
+  let eachState = 'start'
+  let eachCount = 0
+  let allState = 'start'
+  let allCount = 0
+
+  beforeAll(() => {
+    allState = 'running'
+  })
+  afterAll(() => {
+    allState = 'done'
+    allCount++
+  })
+
+  beforeEach(() => {
+    eachState = 'running'
+  })
+  afterEach(() => {
+    eachState = 'done'
+    eachCount++
+  })
+
+  it('beforeEach works', () => {
+    assert.equal(eachState, 'running')
+  })
+
+  // It should work if tests are run in serial, skip for now
+  it.skip('afterEach called', () => {
+    assert.equal(eachState, 'running')
+    assert.equal(eachCount, 1)
+  })
+
+  it('beforeAll works', () => {
+    assert.equal(allState, 'running')
+  })
+
+  it('afterAll not called', () => {
+    assert.equal(allState, 'running')
+    assert.equal(allCount, 0)
+  })
+})