add post endpoint tests

tests/posts.test.js

@@ -0,0 +1,50 @@
+const chai = require ('chai');
+const chaiHttp = require ('chai-http');
+const app = require('../app');
+const expect = chai.expect
+chai.use(chaiHttp);
+chai.should();
+
+describe ("Posts", () => {
+    describe("GET /posts", () => {
+        it("should get all posts", (done) => {
+            chai.request(app)
+                .get('/posts')
+                .end((err, res) => {
+                    // tests
+                    res.should.have.status(200);
+                    res.should.be.json;
+                    res.body.should.be.an('array');
+                    res.body.length.should.be.eql(100)
+                    done();
+                 });
+        });
+    });
+
+    describe("GET /posts/id", () => {
+        it("should get a specific post by id", (done) => {
+            const id = 1;
+             chai.request(app)
+                .get(`/posts/${id}`)
+                 .end((err, res) => {
+                    //  tests
+                     res.should.have.status(200);
+                     res.body.should.be.an('object');
+                     expect(res.body).to.have.property("id").eql(id);;
+                     expect(res.body).to.have.property("user_id")
+                     expect(res.body).to.have.property("title");
+                     expect(res.body).to.have.property("body");
+                     done();
+                  });
+        })
+        it("should not get a single post by id", (done) => {
+            const id = 300;
+            chai.request(app)
+                .get(`/posts/${id}`)
+                .end((err, res) => {
+                    res.should.have.status(404);
+                    done();
+                 });
+        });
+    });
+});