public async Task Index_WhenCalled_ReturnsAContentResultWithAWelcomeMessage()
{
// Arrange
var controller = new MailController(null);
// Act
var result = await controller.Index();
// Assert
result.Should().BeOfType <ContentResult>().Which.Content.Should().Be("Welcome to the backend mail API");
}
public async Task IndexPost_WhenModelStateIsValid_ReturnsMailResponseModel()
{
// Arrange
var mockMailService = new Mock <IMailService>();
mockMailService.Setup(m => m.Send(It.IsAny <MailModel>())).ReturnsAsync(() => new MailResponseModel());
var mailController = new MailController(mockMailService.Object);
var mailModel = new MailModel();
// Act
var result = await mailController.Index(mailModel);
// Assert
result.Should().BeOfType <OkObjectResult>().Which.Value.Should().BeOfType <MailResponseModel>();
}
public async Task IndexPost_WhenModelStateIsInvalid_ReturnsBadRequestResult()
{
// Arrange
var mockMailService = new Mock <IMailService>();
var mailController = new MailController(mockMailService.Object);
mailController.ModelState.AddModelError("From", "Required");
var mailModel = new MailModel();
// Act
var result = await mailController.Index(mailModel);
// Assert
result.Should().BeOfType <BadRequestObjectResult>().Which.Value.Should().BeOfType <SerializableError>();
}
