public async Task CalcularAsync_TesteValorCorreto() { //arrange var mockCalculaJurosAplic = new Mock <ICalculaJurosAplic>(); mockCalculaJurosAplic.Setup(p => p.CalcularAsync(It.IsAny <CalculaJurosDto>())).ReturnsAsync(100m); //act var calculaJurosController = new CalculaJurosController(mockCalculaJurosAplic.Object); var valorAtual = await calculaJurosController.CalcularAsync(new CalculaJurosDto()); //test Assert.Equal(100m, valorAtual); }