public async Task CreateShortUrlReturnsCreatedResult()
{
// Mock setup
var validator = new Mock <IDomainValidatorService>();
validator.Setup(v => v.IsValidDomain(Url))
.ReturnsAsync(true);
var shortUrl = new Mock <IShortUrlService>();
shortUrl.Setup(s => s.AddUrl(Url))
.Returns(new ShortUrl
{
OriginalUrl = Url,
ShortenedUrl = 0
});
// Run tests
var controller = new UrlController(validator.Object, shortUrl.Object);
var result = await controller.CreateShortUrl(Url);
// Assertions
var response = Assert.IsType <CreatedResult>(result);
Assert.NotNull(response.Value);
Assert.IsType <ShortUrl>(response.Value);
Assert.Equal(Url, (response.Value as ShortUrl)?.OriginalUrl);
Assert.Equal(0, ((ShortUrl)response.Value).ShortenedUrl);
}
public async Task GetShortUrlReturnsRedirectResultWhenShortUrlIsValid()
{
// Mock setup
var validator = new Mock <IDomainValidatorService>();
var shortUrl = new Mock <IShortUrlService>();
shortUrl.Setup(s => s.GetUrl(0))
.Returns(Url);
// Run tests
var controller = new UrlController(validator.Object, shortUrl.Object);
await controller.CreateShortUrl(Url);
var result = controller.GetShortUrl(0);
// Assertions
var response = Assert.IsType <RedirectResult>(result);
Assert.Equal(Url, response.Url);
}
public async Task CreateShortUrlReturnsBadRequestResultIfUrlInvalid()
{
// Mock setup
var validator = new Mock <IDomainValidatorService>();
validator.Setup(v => v.IsValidDomain(InvalidUrl))
.ReturnsAsync(false);
var shortUrl = new Mock <IShortUrlService>();
// Run tests
var controller = new UrlController(validator.Object, shortUrl.Object);
var result = await controller.CreateShortUrl(InvalidUrl);
// Assertions
var response = Assert.IsType <BadRequestObjectResult>(result);
Assert.NotNull(response.Value);
Assert.IsType <Dictionary <string, string> >(response.Value);
Assert.Equal(1, (response.Value as IDictionary <string, string>)?.Keys.Count);
Assert.True((response.Value as IDictionary <string, string>)?.ContainsKey("error"));
Assert.Equal("invalid url", (response.Value as IDictionary <string, string>)?["error"]);
}