Implementing a doctor's appointment system based solely on test specs and TDD/OOP skills.

const { expect } = require('chai'); const User = require("../class/user.js"); const Doctor = require("../class/doctor.js"); const Patient = require("../class/patient.js"); const [Appointment, AppointmentError] = require("../class/appointment.js"); describe ('User', function () { it('should set username and birthdate on creation', function () { // Make a user born on October 17, 1985 let user = new User("John Doe", 10, 17, 1985); expect(user.name).to.equal("John Doe"); // Use Date.toDateString() expect(user.getBirthday()).to.equal('Thu Oct 17 1985'); }); it('should get the age of the user', function () { // Make a user born on October 17, 1985 let user = new User("John Doe", 10, 17, 1985); const today = new Date(); let age = today.getFullYear() - 1985; if (today.getMonth() < 9 || today.getMonth() === 9 && today.getDate() < 17) { age--; } expect(user.getAge()).to.equal(age); }); }); describe ('Doctor', function () { let doctor; beforeEach(function() { doctor = new Doctor("Richard Kimble", 7, 13, 1942); }); it('should be a subclass of User', function () { expect(doctor instanceof User).to.be.true; }); it('can add accepted insurance', function () { expect(doctor.acceptsInsurance('BnL Insurance')).to.be.false; doctor.addInsurance('BnL Insurance'); expect(doctor.acceptsInsurance('BnL Insurance')).to.be.true; }); it('can remove accepted insurance', function () { doctor.addInsurance('BnL Insurance'); expect(doctor.acceptsInsurance('BnL Insurance')).to.be.true; doctor.removeInsurance('BnL Insurance'); expect(doctor.acceptsInsurance('BnL Insurance')).to.be.false; }); }); describe ('Patient', function () { let patient; beforeEach(function() { patient = new Patient("Laszlo de Almasy", 12, 22, 1962); }); it('should be a subclass of User', function () { expect(patient instanceof User).to.be.true; }); it('can add insurance', function () { expect(patient.insurance).to.be.null; patient.setInsurance('BnL Insurance'); expect(patient.getInsurance()).to.equal('BnL Insurance'); }); }); describe ('Appointment', function () { let doctor; let patient; let patientNoInsurance; let today; let tomorrow; let yesterday; beforeEach(function() { doctor = new Doctor("Richard Kimble", 7, 13, 1942); doctor.addInsurance('BnL Insurance'); patient = new Patient("Laszlo de Almasy", 12, 22, 1962); patient.setInsurance('BnL Insurance'); patientNoInsurance = new Patient("Lon Hammond Jr.", 9, 18, 1973); }); before("set dates", function() { today = new Date(); tomorrow = new Date(today); tomorrow.setDate(tomorrow.getDate() + 1) yesterday = new Date(today); yesterday.setDate(yesterday.getDate() - 1); }); it('should allow appointments to be set in the future between 8am-5pm', function () { const hour = 8; // 8am const date = tomorrow.getDate(); const month = tomorrow.getMonth(); const year = tomorrow.getFullYear(); const appointment = new Appointment(doctor, patient, month, date, year, hour); expect(appointment).to.be.ok; }); it('should not allow appointments to be set in the past', function () { const hour = 8; // 8am const date = yesterday.getDate(); const month = yesterday.getMonth(); const year = yesterday.getFullYear(); try { const appointment = new Appointment(doctor, patient, month, date, year, hour); expect("SHOULD NOT GET HERE").to.equal(false); } catch (error) { expect(error instanceof AppointmentError).to.equal(true); expect(error.message).to.equal("Appointment must be in the future"); } }); it('should not allow appointments to be set without insurance', function () { const hour = 8; // 8am const date = tomorrow.getDate(); const month = tomorrow.getMonth(); const year = tomorrow.getFullYear(); try { const appointment = new Appointment(doctor, patientNoInsurance, month, date, year, hour); expect("SHOULD NOT GET HERE").to.equal(false); } catch (error) { expect(error instanceof AppointmentError).to.equal(true); expect(error.message).to.equal("Patient's insurance not supported"); } }); it('should not allow appointments to be set with unaccepted insurance', function () { const hour = 8; // 8am const date = tomorrow.getDate(); const month = tomorrow.getMonth(); const year = tomorrow.getFullYear(); patient.setInsurance("Globex Health"); try { const appointment = new Appointment(doctor, patientNoInsurance, month, date, year, hour); expect("SHOULD NOT GET HERE").to.equal(false); } catch (error) { expect(error instanceof AppointmentError).to.equal(true); expect(error.message).to.equal("Patient's insurance not supported"); } }); it('should allow appointments to be set on different time slots between 8-5', function () { const date = tomorrow.getDate(); const month = tomorrow.getMonth(); const year = tomorrow.getFullYear(); // 8am appointment const appointment = new Appointment(doctor, patient, month, date, year, 8); expect(appointment).to.be.ok; // 12pm appointment const appointment2 = new Appointment(doctor, patient, month, date, year, 12); expect(appointment2).to.be.ok; // 5pm appointment const appointment3 = new Appointment(doctor, patient, month, date, year, 17); expect(appointment3).to.be.ok; }); it('should not allow appointments to be set before 8am', function () { const date = tomorrow.getDate(); const month = tomorrow.getMonth(); const year = tomorrow.getFullYear(); try { // 7am appointment const appointment = new Appointment(doctor, patient, month, date, year, 7); expect("SHOULD NOT GET HERE").to.equal(false); } catch (error) { expect(error instanceof AppointmentError).to.equal(true); expect(error.message).to.equal("Invalid time slot"); } }); it('should not allow appointments to be set after 5pm', function () { const date = tomorrow.getDate(); const month = tomorrow.getMonth(); const year = tomorrow.getFullYear(); try { // 6pm appointment const appointment = new Appointment(doctor, patient, month, date, year, 18); expect("SHOULD NOT GET HERE").to.equal(false); } catch (error) { expect(error instanceof AppointmentError).to.equal(true); expect(error.message).to.equal("Invalid time slot"); } }); it('should not allow appointments to be set on overlapping time slots', function () { const date = tomorrow.getDate(); const month = tomorrow.getMonth(); const year = tomorrow.getFullYear(); // 8am appointment const appointment = new Appointment(doctor, patient, month, date, year, 8); expect(appointment).to.be.ok; try { // 8am appointment const appointment2 = new Appointment(doctor, patient, month, date, year, 8); expect("SHOULD NOT GET HERE").to.equal(false); } catch (error) { expect(error instanceof AppointmentError).to.equal(true); expect(error.message).to.equal("Invalid time slot"); } }); });