使用supertest测试服务器api

README.md

@@ -21,4 +21,8 @@
 
   https://github.com/kulshekhar/ts-jest
 
+- supertest
+
+  一个mock http请求的测试框架
+
 

package.json

@@ -3,18 +3,22 @@
   "version": "1.0.0",
   "scripts": {
     "compiler": "tsc --watch",
-    "run": "ts-node src/http.ts",
-    "dev": "ts-node-dev src/http.ts",
+    "run": "ts-node src/index.ts",
+    "dev": "ts-node-dev src/index.ts",
     "test": "jest"
   },
-  "dependencies": {},
+  "dependencies": {
+  },
   "devDependencies": {
     "@types/jest": "^24.0.13",
     "@types/node": "^12.0.2",
+    "@types/supertest": "^2.0.7",
     "jest": "^24.8.0",
+    "supertest": "^4.0.2",
     "ts-jest": "^24.0.2",
     "ts-node": "^8.1.0",
     "ts-node-dev": "^1.0.0-pre.39",
+    "tslint": "^5.17.0",
     "typescript": "^3.4.5"
   }
 }

src/index.ts

@@ -0,0 +1,3 @@
+import {server} from "./server";
+
+server.listen(8088);

src/math.ts

@@ -1,11 +1,11 @@
 export function add(a: number, b: number): number {
-    return a + b
+    return a + b;
 }
 
 export function minus(a: number, b: number): number {
-    return a - b
+    return a - b;
 }
 
 export function multi(a: number, b: number): number {
-    return a * b
+    return a * b;
 }

src/http.ts → src/server.ts

@@ -2,7 +2,7 @@ import {IncomingMessage, OutgoingMessage} from "http";
 
 const http = require("http");
 
-http.createServer((req: IncomingMessage, res: OutgoingMessage) => {
+export const server = http.createServer((req: IncomingMessage, res: OutgoingMessage) => {
     res.write("hello world");
-    res.end()
-}).listen(8088);
+    res.end();
+});

test/math.test.ts

@@ -1,13 +1,13 @@
-import {add, minus, multi} from '../src/math'
+import {add, minus, multi} from "../src/math";
 
-test('adds 1 + 2 to equal 3', () => {
+test("adds 1 + 2 to equal 3", () => {
   expect(add(1, 2)).toBe(3);
 });
 
-test('adds 1 - 2 to equal -1', () => {
+test("adds 1 - 2 to equal -1", () => {
   expect(minus(1, 2)).toBe(-1);
 });
 
-test('adds 1 * 2 to equal 2', () => {
+test("adds 1 * 2 to equal 2", () => {
   expect(multi(1, 2)).toBe(2);
 });

test/server.test.ts

@@ -0,0 +1,12 @@
+import request from "supertest";
+
+import {server} from "../src/server";
+
+describe("测试http服务器", () => {
+    it("Get /", async () => {
+        const result = await request(server).get("/");
+        console.log(result);
+        expect(result.text).toEqual("hello world");
+        expect(result.status).toEqual(200);
+    });
+});

tslint.json

@@ -0,0 +1,15 @@
+{
+    "defaultSeverity": "warning",
+    "extends": [
+        "tslint:recommended"
+    ],
+    "linterOptions": {
+        "exclude": [
+            "node_modules/**"
+        ]
+    },
+    "rules": {
+        "no-var-requires": false,
+        "no-console": false
+    }
+}