Setting up tests for name and address endpoints

package.json

@@ -9,21 +9,28 @@
     "clean": "rm -rf ./dist",
     "format": "prettier --ignore-path .gitignore './**/*.{css,yml,js,ts,tsx,json}' --write",
     "test:format": "npm run format && npm run lint",
+    "test": "ts-mocha -p test/tsconfig.json --exit test/**/*.test.ts",
     "type-check": "tsc --noEmit"
   },
   "dependencies": {
     "ethers": "^5.7.0"
   },
   "devDependencies": {
+    "@types/mocha": "^9.1.1",
     "@typescript-eslint/eslint-plugin": "^5.28.0",
     "@typescript-eslint/parser": "^5.29.0",
     "@vercel/node": "^2.5.8",
+    "axios": "^0.27.2",
+    "chai": "^4.3.6",
     "eslint": "^8.18.0",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-prettier": "^4.0.0",
     "husky": "^7.0.0",
     "prettier": "^2.7.1",
     "pretty-quick": "^3.1.3",
-    "typescript": "4.7.3"
+    "test-listen": "^1.1.0",
+    "ts-mocha": "^10.0.0",
+    "typescript": "4.7.3",
+    "vercel-node-server": "^2.2.1"
   }
 }

test/api.test.ts

@@ -0,0 +1,43 @@
+import addressApi from '../api/address'
+import nameApi from '../api/name'
+import { createServer } from 'vercel-node-server'
+import listen from 'test-listen'
+// import express from 'express'
+// import request from 'supertest'
+import axios from 'axios'
+// import type { VercelRequest, VercelResponse } from '@vercel/node'
+import { assert } from 'chai'
+
+let server
+let url: string
+const name = 'jellymcjellyfish.eth'
+const accountId = '0x99840Df5Cb42faBE0Feb8811Aaa4BC99cA6C84e0'
+
+describe('Testing ENS proxy API endpoints', function () {
+  this.timeout(10000)
+
+  it('Requesting address should return the expected response', async () => {
+    server = createServer(addressApi)
+    url = await listen(server)
+    const response = await axios.get(url, {
+      params: {
+        name
+      }
+    })
+    assert(response.data.address === accountId)
+  })
+  it('Requesting ENS name should return the expected response', async () => {
+    server = createServer(nameApi)
+    url = await listen(server)
+    const response = await axios.get(url, {
+      params: {
+        accountId
+      }
+    })
+    assert(response.data.name === name)
+  })
+})
+
+after(() => {
+  server.close()
+})

test/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "compilerOptions": {
+    "resolveJsonModule": true,
+    "lib": ["es6", "es7"],
+    "noUnusedLocals": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true
+  }
+}