6

user.test.ts

import { User } from '../src/user';

test("should be able to give consent",() => {
    const user = new User( "Will", "Doe", 19);
    user.giveConsent();
    expect(user.getConsent()).toBeTruthy();
})

test("should not be able to give consent",() => {
    const user = new User( "Jane", "Doe", 18);
    user.giveConsent();
    expect(user.getConsent()).toBeFalsy();
})

test("revoke consent",() => {
    const user = new User( "John", "Doe", 19);
    user.giveConsent();
    expect(user.getConsent()).toBeTruthy();
    user.revokeConsent();
    expect(user.getConsent()).toBeFalsy();
})

test("consent is not given by default",() => {
    const user = new User( "John", "Doe", 19);
    expect(user.getConsent()).toBeFalsy();
    user.revokeConsent();
    expect(user.getConsent()).toBeFalsy();
})

test("consent is not given by default",() => {
    const user = new User( "Derek", "Doe", 18);
    expect(user.getConsent()).toBeFalsy();
    expect(user.name).toBe("Derek");
})

test("should be adult",() => {
    const user = new User( "Will", "Doe", 19);
    expect(user.isAdult()).toBeTruthy();
})

test("should be adult, age validation",() => {
    const user = new User( "Will", "Doe", -19);
    user.setAge(user.age);
    console.log(user.age);
    expect(user.age).toBe(0);
    expect(user.isAdult()).toBeFalsy();
    user.setAge(-5);
    console.log(user.age);
    expect(user.age).toBe(0);
    user.setAge(0);
    console.log(user.age);
    expect(user.age).toBe(0);
    user.setAge(20);
    console.log(user.age);
    expect(user.age).toBe(20);
    expect(user.isAdult()).toBeTruthy();
})

user.ts

export class User{
    name: string;
    surname:string;
    isConsentGiven:boolean;
    age:number;

    constructor(name: string, surname: string, age: number) {
        this.name = name;
        this.surname = surname;
        this.isConsentGiven = false; // by default
        this.age = age;
        //this.age = 18; // by default
    }

    giveConsent(): boolean {
        let isAgeCondition: boolean = this.age > 18;

        if (isAgeCondition) {
            return this.isConsentGiven = true;
        } else {
            return this.isConsentGiven = false;
        }
    }

    revokeConsent() {
        this.isConsentGiven = false;
    }

    // giveConsent() {
    //     this.consentGiven = true;
    // }

    getConsent(): boolean {
        return this.isConsentGiven;
    }

    isAdult(): boolean {
        return this.age >= 18;
    }

    setAge(age: number): number {
        let isAge: boolean = age > 0;

        if (isAge) {
            return this.age = age;
        } else {
            return this.age = 0;
        }
    }

    // setAge(age: number) {
    //     this.age = age;
    // }
}