Cleaned up tests

test/custom-handlers.test.js

@@ -0,0 +1,15 @@
+describe('Custom Handlers', () => {
+  const { GET, POST, expect } = require('./capire').launch('bookshop')
+
+  it('should reject out-of-stock orders', async () => {
+    await expect(
+      Promise.all([
+        POST('/browse/submitOrder', { book: 201, amount: 5 }),
+        POST('/browse/submitOrder', { book: 201, amount: 5 }),
+        POST('/browse/submitOrder', { book: 201, amount: 5 }),
+      ])
+    ).to.be.rejectedWith(/409 - 5 exceeds stock for book #201/)
+    const { data } = await GET`/admin/Books/201/stock/$value`
+    expect(data).to.equal(2)
+  })
+})