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Andrez higuera #16

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4 changes: 4 additions & 0 deletions Project.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
# Descripción del Proyecto
Este es un proyecto base para el backend desarrollado en el curso DevOps.

Desarrollado y modificado por Andrez Higuera.
2 changes: 2 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
@@ -1,2 +1,4 @@
Readme.md
# backend-base

- Proyecto actualizado por **Andrez Higuera**
141 changes: 135 additions & 6 deletions __test__/calculadora.spec.ts
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import { describe, test, expect } from "@jest/globals";
import { restar, suma, operar } from "../src/calculadora.js";
import { restar, suma, operar, multiplicar, dividir, potencia, factorial } from "../src/calculadora.js";
import app from "../src/server.js";
import request from "supertest";

Expand All @@ -25,17 +25,82 @@ describe("Calculadora", () => {

let a: any = 100;
let b: any = 200;

// Resta
expect(operar("resta", b, a)).toBe(100);


// Suma
a = 10;
b = "a";
expect(operar("suma", a, b)).toBeNaN();

a = undefined;
b = 1;
expect(() => { operar("suma", a, b) }).toThrow("No se puede sumar indefinidos");

});

// Multiplicación
a = 10;
b = 20;
expect(operar("multiplicacion", a, b)).toBe(200);

a = 10;
b = "a";
expect(operar("multiplicacion", a, b)).toBeNaN();

a = undefined;
b = 1;
expect(() => { operar("multiplicacion", a, b) }).toThrow("No se puede multiplicar indefinidos");

// División
a = 10;
b = 2;
expect(operar("division", a, b)).toBe(5);

a = 10;
b = 0;
expect(() => { operar("division", a, b) }).toThrow("No se puede dividir por cero");

a = 10;
b = "a";
expect(operar("division", a, b)).toBeNaN();

a = undefined;
b = 1;
expect(() => { operar("division", a, b) }).toThrow("No se puede dividir indefinidos");

// Potencia
a = 2;
b = 3;
expect(operar("potencia", a, b)).toBe(8);

a = 2;
b = "a";
expect(operar("potencia", a, b)).toBeNaN();

a = undefined;
b = 1;
expect(() => { operar("potencia", a, b) }).toThrow("No se puede calcular la potencia con indefinidos");

// Factorial
a = 5;
expect(operar("factorial", a)).toBe(120);

a = 0;
expect(operar("factorial", a)).toBe(1);

a = -1;
expect(() => { operar("factorial", a) }).toThrow("El factorial solo está definido para números no negativos");

a = "a";
expect(() => { operar("factorial", a) }).toThrow("El factorial solo está definido para números no negativos");

a = undefined;
expect(() => { operar("factorial", a) }).toThrow("No se puede calcular el factorial de un indefinido");

a = 10;
b = 20;
expect(() => { operar("operacion_invalida", a, b) }).toThrow("Operación no reconocida");
});

test("restar dos numeros", () => {

Expand All @@ -52,14 +117,78 @@ describe("Calculadora", () => {
expect(() => { restar(a, b) }).toThrow("No se puede sumar indefinidos");
});

// Nuevos tests agregados

test("multiplicar dos numeros", () => {
let a: any = 10;
let b: any = 20;
expect(multiplicar(a, b)).toBe(200);

a = 10;
b = "a";
expect(multiplicar(a, b)).toBeNaN();

a = undefined;
b = 1;
expect(() => { multiplicar(a, b) }).toThrow("No se puede multiplicar indefinidos");
});

test("dividir dos numeros", () => {
let a: any = 10;
let b: any = 2;
expect(dividir(a, b)).toBe(5);

a = 10;
b = 0;
expect(() => { dividir(a, b) }).toThrow("No se puede dividir por cero");

a = 10;
b = "a";
expect(dividir(a, b)).toBeNaN();

a = undefined;
b = 1;
expect(() => { dividir(a, b) }).toThrow("No se puede dividir indefinidos");
});

test("calcular la potencia de dos numeros", () => {
let a: any = 2;
let b: any = 3;
expect(potencia(a, b)).toBe(8);

a = 2;
b = "a";
expect(potencia(a, b)).toBeNaN();

a = undefined;
b = 1;
expect(() => { potencia(a, b) }).toThrow("No se puede calcular la potencia con indefinidos");
});

test("calcular el factorial de un numero", () => {
let a: any = 5;
expect(factorial(a)).toBe(120);

a = 0;
expect(factorial(a)).toBe(1);

a = -1;
expect(() => { factorial(a) }).toThrow("El factorial solo está definido para números no negativos");

a = "a";
expect(() => { factorial(a) }).toThrow("El factorial solo está definido para números no negativos");

a = undefined;
expect(() => { factorial(a) }).toThrow("No se puede calcular el factorial de un indefinido");
});

test("test de endpoint /", async () => {
return await request(app)
.get("/")
.expect("Content-Type", /text/)
.expect(200)
.then((response) => {
expect(response.text).toBe("Hola mundo al usuario cmd");
expect(response.text).toBe("Hola mundo al usuario Andrez Higuera");
})
});

Expand Down
74 changes: 70 additions & 4 deletions src/calculadora.ts
Original file line number Diff line number Diff line change
@@ -1,12 +1,22 @@
function operar(operacion: string, a: number, b: number) {
function operar(operacion: string, a: number, b?: number) {
if (operacion === 'suma') {
return suma(a, b);
} else if (operacion === 'resta') {
return restar(a, b);
} else if (operacion === 'multiplicacion') {
return multiplicar(a, b);
} else if (operacion === 'division') {
return dividir(a, b);
} else if (operacion === 'potencia') {
return potencia(a, b);
} else if (operacion === 'factorial') {
return factorial(a);
} else {
throw new Error("Operación no reconocida");
}
}

function suma(a: number, b: number) {
function suma(a: number, b?: number) {

if (a === undefined || b === undefined) {
console.log("retornando throw")
Expand All @@ -20,7 +30,7 @@ function suma(a: number, b: number) {
return a + b;
}

function restar(a: number, b: number) {
function restar(a: number, b?: number) {
if (a === undefined || b === undefined) {
console.log("retornando throw")
throw new Error("No se puede sumar indefinidos");
Expand All @@ -33,4 +43,60 @@ function restar(a: number, b: number) {
return a - b;
}

export { suma, operar, restar };
function multiplicar(a: number, b?: number) {
if (a === undefined || b === undefined) {
throw new Error("No se puede multiplicar indefinidos");
}

if (typeof a !== 'number' || typeof b !== 'number') {
return NaN;
}

return a * b;
}

function dividir(a: number, b?: number) {
if (a === undefined || b === undefined) {
throw new Error("No se puede dividir indefinidos");
}

if (typeof a !== 'number' || typeof b !== 'number') {
return NaN;
}

if (b === 0) {
throw new Error("No se puede dividir por cero");
}

return a / b;
}

function potencia(a: number, b?: number) {
if (a === undefined || b === undefined) {
throw new Error("No se puede calcular la potencia con indefinidos");
}

if (typeof a !== 'number' || typeof b !== 'number') {
return NaN;
}

return Math.pow(a, b);
}

function factorial(a: number): number {
if (a === undefined) {
throw new Error("No se puede calcular el factorial de un indefinido");
}

if (typeof a !== 'number' || a < 0) {
throw new Error("El factorial solo está definido para números no negativos");
}

if (a === 0 || a === 1) {
return 1;
}

return a * factorial(a - 1);
}

export { suma, operar, restar, multiplicar, dividir, potencia, factorial };
2 changes: 1 addition & 1 deletion src/config.ts
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
export const configuration = {
username: 'cmd',
username: 'Andrez Higuera',
port: 3001
}