106 lines
3.6 KiB
TypeScript
106 lines
3.6 KiB
TypeScript
import { Quantity } from "./Quantity"; // Asegúrate de importar correctamente la clase Quantity.
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describe("Quantity Value Object", () => {
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// Prueba la creación de una cantidad válida.
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it("Should create a valid quantity (number)", () => {
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const validQuantity = Quantity.create({ amount: 5 });
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expect(validQuantity.isSuccess).toBe(true);
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expect(validQuantity.object.toNumber()).toBe(5);
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});
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it("Should create a valid quantity (string)", () => {
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const validQuantity = Quantity.create({ amount: "99" });
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expect(validQuantity.isSuccess).toBe(true);
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expect(validQuantity.object.toNumber()).toBe(99);
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});
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it("Should create a valid quantity (null)", () => {
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const validQuantity = Quantity.create({ amount: null });
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expect(validQuantity.isSuccess).toBe(true);
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expect(validQuantity.object.isNull).toBeTruthy();
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});
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// Prueba la creación de una cantidad nula.
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it("Should create a default quantity", () => {
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const nullQuantity = Quantity.create();
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expect(nullQuantity.isSuccess).toBe(true);
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expect(nullQuantity.object.amount).toBe(1);
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expect(nullQuantity.object.precision).toBe(0);
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});
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// Prueba la creación de una cantidad válida a partir de una cadena.
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it("Should create a valid quantity from string", () => {
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const validQuantityFromString = Quantity.create({ amount: "10" });
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expect(validQuantityFromString.isSuccess).toBe(true);
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expect(validQuantityFromString.object.toNumber()).toBe(10);
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});
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// Prueba la creación de una cantidad válida a partir de una cadena con decimales.
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it("Should create a valid quantity from string", () => {
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const validQuantityFromString = Quantity.create({ amount: "123456", precision: 2 });
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expect(validQuantityFromString.isSuccess).toBe(true);
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expect(validQuantityFromString.object.toNumber()).toBe(1234.56);
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});
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// Prueba la creación de una cantidad con una cadena no válida.
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it("Should fail to create quantity from invalid string", () => {
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const invalidQuantityFromString = Quantity.create({ amount: "invalid" });
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expect(invalidQuantityFromString.isFailure).toBe(true);
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});
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// Prueba la conversión a número.
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it("Should convert to number", () => {
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const quantity = Quantity.create({ amount: 7 }).object;
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const result = quantity.toNumber();
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expect(result).toBe(7);
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});
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// Prueba la conversión a cadena.
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it("Should convert to string", () => {
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const quantity = Quantity.create({ amount: 15 }).object;
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const result = quantity.toString();
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expect(result).toBe("15");
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});
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// Prueba la operación de incremento.
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it("Should increment", () => {
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const quantity = Quantity.create({ amount: 5 }).object;
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const incrementedQuantity = quantity.increment().object;
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expect(incrementedQuantity.toNumber()).toBe(6);
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});
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it("Should increment quantity", () => {
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const firstQ = Quantity.create({ amount: -5 }).object;
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const secountQ = Quantity.create({ amount: 105 }).object;
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const incrementedQuantity = firstQ.increment(secountQ).object;
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expect(incrementedQuantity.toNumber()).toBe(100);
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});
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// Prueba la operación de decremento.
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it("Should decrement", () => {
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const quantity = Quantity.create({ amount: 0 }).object;
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const decrementedQuantity = quantity.decrement().object;
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expect(decrementedQuantity.toNumber()).toBe(-1);
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});
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// Prueba la operación de decremento.
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it("Should decrement quantity", () => {
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const quantity = Quantity.create({ amount: 10 }).object;
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const decrementedQuantity = quantity.decrement(Quantity.create({ amount: 110 }).object).object;
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expect(decrementedQuantity.toNumber()).toBe(-100);
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});
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});
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