Add option to plural routes

__tests__/server/plural-fake.js

@@ -0,0 +1,81 @@
+const assert = require('assert')
+const request = require('supertest')
+const jsonServer = require('../../src/server')
+
+describe('Fake server', () => {
+  let server
+  let router
+  let db
+
+  beforeEach(() => {
+    db = {}
+
+    db.posts = [{ id: 1, body: 'foo' }, { id: 2, body: 'bar' }]
+
+    server = jsonServer.create()
+    router = jsonServer.router(db, { _isFake: true })
+    server.use(jsonServer.defaults())
+    server.use(router)
+  })
+
+  describe('POST /:resource', () => {
+    test('should respond with json, create a resource and increment id', async () => {
+      await request(server)
+        .post('/posts')
+        .send({ body: 'foo', booleanValue: true, integerValue: 1 })
+        .expect('Access-Control-Expose-Headers', 'Location')
+        .expect('Location', /posts\/3$/)
+        .expect('Content-Type', /json/)
+        .expect({ id: 3, body: 'foo', booleanValue: true, integerValue: 1 })
+        .expect(201)
+      // assert it was not created in database
+      assert.equal(db.posts.length, 2)
+    })
+  })
+
+  describe('PUT /:resource/:id', () => {
+    test('should respond with json and replace resource', async () => {
+      const post = { id: 1, booleanValue: true, integerValue: 1 }
+      const res = await request(server)
+        .put('/posts/1')
+        .set('Accept', 'application/json')
+        // body property omitted to test that the resource is replaced
+        .send(post)
+        .expect('Content-Type', /json/)
+        .expect(post)
+        .expect(200)
+      // TODO find a "supertest" way to test this
+      // https://github.com/typicode/json-server/issues/396
+      assert.deepStrictEqual(res.body, post)
+      // assert it was not created in database
+      assert.notDeepStrictEqual(db.posts[0], post)
+    })
+  })
+
+  describe('PATCH /:resource/:id', () => {
+    test('should respond with json and update resource', async () => {
+      const partial = { body: 'bar' }
+      const post = { id: 1, body: 'bar' }
+      const res = await request(server)
+        .patch('/posts/1')
+        .send(partial)
+        .expect('Content-Type', /json/)
+        .expect(post)
+        .expect(200)
+      assert.deepStrictEqual(res.body, post)
+      // assert it was not created in database
+      assert.notDeepStrictEqual(db.posts[0], post)
+    })
+  })
+
+  describe('DELETE /:resource/:id', () => {
+    test('should respond with empty data, destroy resource and dependent resources', async () => {
+      await request(server)
+        .del('/posts/1')
+        .expect({})
+        .expect(200)
+      // assert it was not created in database
+      assert.equal(db.posts.length, 2)
+    })
+  })
+})

src/server/router/index.js

@@ -12,7 +12,7 @@ const nested = require('./nested')
 const singular = require('./singular')
 const mixins = require('../mixins')
 
-module.exports = (db, opts = { foreignKeySuffix: 'Id' }) => {
+module.exports = (db, opts = { foreignKeySuffix: 'Id', _isFake: false }) => {
   if (typeof db === 'string') {
     db = low(new FileSync(db))
   } else if (!_.has(db, '__chain__') || !_.has(db, '__wrapped__')) {

src/server/router/plural.js

@@ -255,10 +255,19 @@ module.exports = (db, name, opts) => {
 
   // POST /name
   function create(req, res, next) {
-    const resource = db
+    let resource
+    if (opts._isFake) {
+      const id = db
+        .get(name)
+        .createId()
+        .value()
+      resource = { ...req.body, id }
+    } else {
+      resource = db
         .get(name)
         .insert(req.body)
         .value()
+    }
 
     res.setHeader('Access-Control-Expose-Headers', 'Location')
     res.location(`${getFullURL(req)}/${resource.id}`)
@@ -273,6 +282,20 @@ module.exports = (db, name, opts) => {
   // PATCH /name/:id
   function update(req, res, next) {
     const id = req.params.id
+    let resource
+
+    if (opts._isFake) {
+      resource = db
+        .get(name)
+        .getById(id)
+        .value()
+
+      if (req.method === 'PATCH') {
+        resource = { ...resource, ...req.body }
+      } else {
+        resource = { ...req.body, id: resource.id }
+      }
+    } else {
       let chain = db.get(name)
 
       chain =
@@ -280,7 +303,8 @@ module.exports = (db, name, opts) => {
           ? chain.updateById(id, req.body)
           : chain.replaceById(id, req.body)
 
-    const resource = chain.value()
+      resource = chain.value()
+    }
 
     if (resource) {
       res.locals.data = resource
@@ -291,7 +315,12 @@ module.exports = (db, name, opts) => {
 
   // DELETE /name/:id
   function destroy(req, res, next) {
-    const resource = db
+    let resource
+
+    if (opts._isFake) {
+      resource = db.get(name).value()
+    } else {
+      resource = db
         .get(name)
         .removeById(req.params.id)
         .value()
@@ -303,6 +332,7 @@ module.exports = (db, name, opts) => {
           .removeById(item.id)
           .value()
       })
+    }
 
     if (resource) {
       res.locals.data = {}