add testing framewrok

package.json

@@ -4,8 +4,8 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
-    "start": "node app.js"
+    "start": "node app.js",
+    "test": "mocha"
   },
   "repository": {
     "type": "git",
@@ -22,5 +22,10 @@
     "express": "^4.17.1",
     "express-validator": "^6.4.0",
     "pug": "^2.0.4"
+  },
+  "devDependencies": {
+    "chai": "^4.3.4",
+    "chai-http": "^4.3.0",
+    "mocha": "^9.0.2"
   }
-}
+}
\ No newline at end of file

test/jsonStorage.js

+const chai = require('chai');
+const expect = chai.expect;
+const chaiHttp = require('chai-http');
+const app = require('../app');
+
+chai.use(chaiHttp);
+
+describe('Testing the JSON storage', () => {
+
+
+  describe("GET capabilities redirect", () => {
+    it("It should redirect to /capabilities endpoint", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getcapabilities&acceptversions=1.0")
+        .redirects(0)
+        .end((err, res) => {
+          expect(res).to.redirectTo('/service/v1/capabilities?service=3dps&request=getcapabilities&acceptversions=1.0');
+          done();
+        });
+    });
+  });
+
+  describe("GET capabilities", () => {
+    it("It should get the capabilities", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getcapabilities&acceptversions=1.0")
+        .end((err, res) => {
+          expect(res).to.have.status(200);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET scene redirect", () => {
+    it("It should redirect to /scene endpoint", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getscene&acceptversions=1.0&layers=Niedernhall&crs=EPSG:4321")
+        .redirects(0)
+        .end((err, res) => {
+          expect(res).to.redirectTo('/service/v1/scene?service=3dps&request=getscene&acceptversions=1.0&layers=Niedernhall&crs=EPSG%3A4321');
+          done();
+        });
+    });
+  });
+
+
+  describe("GET scene", () => {
+    it("It should get Niedernhall 3D-Tiles", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getscene&acceptversions=1.0&layers=Niedernhall&crs=EPSG:4321")
+        .end((err, res) => {
+          expect(res).to.have.status(200);
+          expect(res).to.have.header('content-type', 'application/json; charset=utf-8');
+          expect(res.body).to.be.instanceof(Array);
+          expect(res.body[0]).to.be.instanceof(Object);
+          expect(res.body[0].id).to.be.equal('Niedernhall');
+          done();
+        });
+    });
+  });
+
+  describe("GET scene with two layers", () => {
+    it("It should get Niedernhall 3D-Tiles and Hamburg 3D-Tiles", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getscene&acceptversions=1.0&layers=Buildings_Hamburg,Niedernhall&crs=EPSG:4321")
+        .end((err, res) => {
+          expect(res).to.have.status(200);
+          expect(res).to.have.header('content-type', 'application/json; charset=utf-8');
+          expect(res.body).to.be.instanceof(Array);
+          expect(res.body).to.have.length(2);
+          expect(res.body[0]).to.be.instanceof(Object);
+          expect(res.body[1]).to.be.instanceof(Object);
+          done();
+        });
+    });
+  });
+
+  describe("GET scene with bounding box", () => {
+    it("It should get Niedernhall 3D-Tiles and ignore the Hamburg layer", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getscene&acceptversions=1.0&layers=Buildings_Hamburg,Niedernhall&crs=EPSG:4321&boundingbox=9.599292965,49.2666170807472,9.63473690336899,49.30961789948958")
+        .end((err, res) => {
+          expect(res).to.have.status(200);
+          expect(res).to.have.header('content-type', 'application/json; charset=utf-8');
+          expect(res.body).to.be.instanceof(Array);
+          expect(res.body[0]).to.be.instanceof(Object);
+          expect(res.body[0].id).to.be.equal('Niedernhall');
+          done();
+        });
+    });
+  });
+
+
+  describe("GET capabilities with mandatory query parameter missing: service", () => {
+    it("It should return 400 and an XML exception specifying the missing parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?request=getcapabilities&acceptversions=1.0")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET capabilities with mandatory query parameter missing: request", () => {
+    it("It should return 400 and an XML exception specifying the missing parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&acceptversions=1.0")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET capabilities with mandatory query parameter missing: acceptversions", () => {
+    it("It should return 400 and an XML exception specifying the missing parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getcapabilities")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET capabilities with mandatory query parameter having invalid value: service", () => {
+    it("It should return 400 and an XML exception specifying the invalid parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=ABCD&request=getcapabilities&acceptversions=1.0")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET capabilities with mandatory query parameter having invalid value: request", () => {
+    it("It should return 400 and an XML exception specifying the invalid parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=ABCD&acceptversions=1.0")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET capabilities with mandatory query parameter having invalid value: acceptversions", () => {
+    it("It should return 400 and an XML exception specifying the invalid parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getcapabilities&acceptversions=ABCD")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET scene with mandatory query parameter missing: crs", () => {
+    it("It should return 400 and an XML exception specifying the missing parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getscene&acceptversions=1.0&layers=Niedernhall&boundingbox=9,49.2,9.8,49.3")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET scene with mandatory query parameter having invalid value: crs", () => {
+    it("It should return 400 and an XML exception specifying the invalid parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getscene&acceptversions=1.0&layers=Niedernhall&crs=ABCD:4321&boundingbox=9,49.2,9.8,49.3")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET scene with invalid bounding box: includes alphanumenric values", () => {
+    it("It should return 400 and an XML exception specifying the invalid parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getscene&acceptversions=1.0&layers=Niedernhall&crs=EPSG:4321&boundingbox=ABCD,49.2,9.8,49.3")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+  describe("GET scene with invalid bounding box: min Longitude is greater than max Longitude", () => {
+    it("It should return 400 and an XML exception specifying the invalid parameter", (done) => {
+      chai.request(app)
+        .get("/service/v1?service=3DPS&request=getscene&acceptversions=1.0&layers=Niedernhall&crs=EPSG:4321&boundingbox=10,49.2,9.8,49.3")
+        .end((err, res) => {
+          expect(res).to.have.status(400);
+          expect(res).to.have.header('content-type', 'application/xml; charset=utf-8');
+          done();
+        });
+    });
+  });
+
+
+});
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