安装postman
网址访问,保存数据
postman.js:
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var mongoose = require('mongoose'); var express = require('express'); var bodyParser = require('body-parser'); //app var app = express(); //express middleware Jonson对象与字符串转换。 app.use(bodyParser.json()); // mongoose.Promise = global.Promise; //连接mogodb mongoose.connect('mongodb://localhost:27017/TodoApp'); //模版 var Todo = mongoose.model('Todo',{ text:{ type:String, //类型 required:true, //必须要有 minlength:1, //最小长度 trim:true //去除空格 }, completed:{ type:Boolean, default:false //默认值 }, completedAt:{ type:Number, default:null } }); //express route app.post('/todos',(req,res)=>{ // console.log(req.body); //建立对象document var todo = new Todo({ text:req.body.text }); //保存 todo.save().then((doc)=>{ res.send(doc); },(e)=>{ res.status(400).send(e); }); }) //监听 app.listen(3000,()=>{ console.log('Start on port 3000'); }); module.exports = { app, Todo } |
测试
安装expect nodemon supertest mocha
//test/postman.test.js:
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const {app,Todo} = require('../postman') const expect = require('expect') const request = require('supertest') beforeEach((done) => { Todo.remove({}).then(() => done()); }); describe('POST /todos', () => { it('should create a new todo', (done) => { var text = 'Test todo text'; request(app) .post('/todos') .send({text}) .expect(200) .expect((res) => { expect(res.body.text).toBe(text); }) .end((err, res) => { if (err) { return done(err); } Todo.find().then((todos) => { expect(todos.length).toBe(1); expect(todos[0].text).toBe(text); done(); }).catch((e) => done(e)); }); }); it('should not create todo with invalid body data', (done) => { request(app) .post('/todos') .send({}) .expect(400) .end((err, res) => { if (err) { return done(err); } Todo.find().then((todos) => { expect(todos.length).toBe(0); done(); }).catch((e) => done(e)); }); }); }); |
修改package.json
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"scripts": { "test": "mocha", "test-watch":"nodemon --exec 'npm test'", } |
运行
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>npm run test-watch |
获取所有document
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app.get('/todos', (req, res) => { Todo.find().then((todos) => { res.send({todos}); }, (e) => { res.status(400).send(e); }) }); |
测试2
//test/postman.test.js:
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const {app,Todo} = require('../postman') const expect = require('expect') const request = require('supertest') const todos = [{ text: 'First test todo' }, { text: 'Second test todo' }]; beforeEach((done) => { Todo.remove({}).then(() => {// 删除后插入对象 return Todo.insertMany(todos); }).then(() => done()); }); describe('POST /todos', () => { it('should create a new todo', (done) => { var text = 'Test todo text'; request(app) .post('/todos') .send({text}) .expect(200) .expect((res) => { expect(res.body.text).toBe(text); }) .end((err, res) => { if (err) { return done(err); } Todo.find({text}).then((todos) => { expect(todos.length).toBe(1); expect(todos[0].text).toBe(text); done(); }).catch((e) => done(e)); }); }); it('should not create todo with invalid body data', (done) => { request(app) .post('/todos') .send({}) .expect(400) .end((err, res) => { if (err) { return done(err); } Todo.find().then((todos) => { expect(todos.length).toBe(2); done(); }).catch((e) => done(e)); }); }); }); describe('GET /todos', () => { it('should get all todos', (done) => { request(app) .get('/todos') .expect(200) .expect((res) => { expect(res.body.todos.length).toBe(2); }) .end(done); }); }); |
查询id
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//查询id app.get('/todos/:id', (req, res) => { var id = req.params.id; if (!ObjectID.isValid(id)) { return res.status(404).send(); } Todo.findById(id).then((todo) => { if (!todo) { return res.status(404).send(); } res.send({todo}); }).catch((e) => { res.status(400).send(); }); }); |
测试3:
//test/postman.test.js:
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const {app,Todo} = require('../postman') const {ObjectID} = require('mongodb'); const expect = require('expect') const request = require('supertest') const todos = [{ _id: new ObjectID(), text: 'First test todo' }, { _id: new ObjectID(), text: 'Second test todo' }]; beforeEach((done) => { Todo.remove({}).then(() => { return Todo.insertMany(todos); }).then(() => done()); }); describe('POST /todos', () => { it('should create a new todo', (done) => { var text = 'Test todo text'; request(app) .post('/todos') .send({text}) .expect(200) .expect((res) => { expect(res.body.text).toBe(text); }) .end((err, res) => { if (err) { return done(err); } Todo.find({text}).then((todos) => { expect(todos.length).toBe(1); expect(todos[0].text).toBe(text); done(); }).catch((e) => done(e)); }); }); it('should not create todo with invalid body data', (done) => { request(app) .post('/todos') .send({}) .expect(400) .end((err, res) => { if (err) { return done(err); } Todo.find().then((todos) => { expect(todos.length).toBe(2); done(); }).catch((e) => done(e)); }); }); }); describe('GET /todos', () => { it('should get all todos', (done) => { request(app) .get('/todos') .expect(200) .expect((res) => { expect(res.body.todos.length).toBe(2); }) .end(done); }); }); describe('GET /todos/:id', () => { it('should return todo doc', (done) => { request(app) .get(`/todos/${todos[0]._id.toHexString()}`) .expect(200) .expect((res) => { expect(res.body.todo.text).toBe(todos[0].text); }) .end(done); }); it('should return 404 if todo not found', (done) => { var hexId = new ObjectID().toHexString(); request(app) .get(`/todos/${hexId}`) .expect(404) .end(done); }); it('should return 404 for non-object ids', (done) => { request(app) .get('/todos/123abc') .expect(404) .end(done); }); }); |
删除id
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//删除 app.delete('/todos/:id', (req, res) => { var id = req.params.id; if (!ObjectID.isValid(id)) { return res.status(404).send(); } Todo.findByIdAndRemove(id).then((todo) => { if (!todo) { return res.status(404).send(); } res.send({todo}); }).catch((e) => { res.status(400).send(); }); }); |
测试4
//test/postman.test.js:
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const {app,Todo} = require('../postman') const {ObjectID} = require('mongodb'); const expect = require('expect') const request = require('supertest') const todos = [{ _id: new ObjectID(), text: 'First test todo' }, { _id: new ObjectID(), text: 'Second test todo' }]; beforeEach((done) => { Todo.remove({}).then(() => { return Todo.insertMany(todos); }).then(() => done()); }); describe('POST /todos', () => { it('should create a new todo', (done) => { var text = 'Test todo text'; request(app) .post('/todos') .send({text}) .expect(200) .expect((res) => { expect(res.body.text).toBe(text); }) .end((err, res) => { if (err) { return done(err); } Todo.find({text}).then((todos) => { expect(todos.length).toBe(1); expect(todos[0].text).toBe(text); done(); }).catch((e) => done(e)); }); }); it('should not create todo with invalid body data', (done) => { request(app) .post('/todos') .send({}) .expect(400) .end((err, res) => { if (err) { return done(err); } Todo.find().then((todos) => { expect(todos.length).toBe(2); done(); }).catch((e) => done(e)); }); }); }); describe('GET /todos', () => { it('should get all todos', (done) => { request(app) .get('/todos') .expect(200) .expect((res) => { expect(res.body.todos.length).toBe(2); }) .end(done); }); }); describe('GET /todos/:id', () => { it('should return todo doc', (done) => { request(app) .get(`/todos/${todos[0]._id.toHexString()}`) .expect(200) .expect((res) => { expect(res.body.todo.text).toBe(todos[0].text); }) .end(done); }); it('should return 404 if todo not found', (done) => { var hexId = new ObjectID().toHexString(); request(app) .get(`/todos/${hexId}`) .expect(404) .end(done); }); it('should return 404 for non-object ids', (done) => { request(app) .get('/todos/123abc') .expect(404) .end(done); }); }); describe('DELETE /todos/:id', () => { it('should remove a todo', (done) => { var hexId = todos[1]._id.toHexString(); request(app) .delete(`/todos/${hexId}`) .expect(200) .expect((res) => { expect(res.body.todo._id).toBe(hexId); }) .end((err, res) => { if (err) { return done(err); } Todo.findById(hexId).then((todo) => { expect(todo).toBeFalsy(); done(); }).catch((e) => done(e)); }); }); it('should return 404 if todo not found', (done) => { var hexId = new ObjectID().toHexString(); request(app) .delete(`/todos/${hexId}`) .expect(404) .end(done); }); it('should return 404 if object id is invalid', (done) => { request(app) .delete('/todos/123abc') .expect(404) .end(done); }); }); |
更新
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> npm install --save lodash |
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//更新 app.patch('/todos/:id', (req, res) => { var id = req.params.id; var body = _.pick(req.body, ['text', 'completed']); if (!ObjectID.isValid(id)) { return res.status(404).send(); } if (_.isBoolean(body.completed) && body.completed) { body.completedAt = new Date().getTime(); } else { body.completed = false; body.completedAt = null; } Todo.findByIdAndUpdate(id, {$set: body}, {new: true}).then((todo) => { if (!todo) { return res.status(404).send(); } res.send({todo}); }).catch((e) => { res.status(400).send(); }) }); |
测试5
//test/postman.test.js:
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describe('PATCH /todos/:id', () => { it('should update the todo', (done) => { var hexId = todos[0]._id.toHexString(); var text = 'This should be the new text'; request(app) .patch(`/todos/${hexId}`) .send({ completed: true, text }) .expect(200) .expect((res) => { expect(res.body.todo.text).toBe(text); expect(res.body.todo.completed).toBe(true); expect(typeof res.body.todo.completedAt).toBe('number'); }) .end(done); }); it('should clear completedAt when todo is not completed', (done) => { var hexId = todos[1]._id.toHexString(); var text = 'This should be the new text!!'; request(app) .patch(`/todos/${hexId}`) .send({ completed: false, text }) .expect(200) .expect((res) => { expect(res.body.todo.text).toBe(text); expect(res.body.todo.completed).toBe(false); expect(res.body.todo.completedAt).toBeFalsy(); }) .end(done); }); }); |