public void Delete_MainPhoto_ThrowsDomainException()
{
// Arrange
var user = UserGenerator.GenerateUser();
user.AddPhoto(new Photo("photo", "url", isMain: true));
// Act, Assert
Assert.Throws <DomainException>(() => user.DeletePhoto("photo"));
}
public void Like_HappyPath_UserLiked()
{
// Arrange
var user = UserGenerator.GenerateUser();
const int userToLikeId = 1;
// Act
user.Like(userToLikeId);
// Assert
Assert.Single(user.UserLikes);
Assert.Contains(user.UserLikes, ul => ul.TargetUserId == userToLikeId);
}
public void Delete_HappyPath_PhotoSuccessfullyDeleted()
{
// Arrange
var user = UserGenerator.GenerateUser();
user.AddPhoto(new Photo("photo", "url", isMain: true));
user.AddPhoto(new Photo("photo 2", "url"));
// Act
user.DeletePhoto("photo 2");
// Assert
Assert.Single(user.Photos);
}
public void Like_ManyLikesToTheSameUser_DoNotCreateManyLikes()
{
// Arrange
var user = UserGenerator.GenerateUser();
const int userToLikeId = 1;
// Act
user.Like(userToLikeId);
user.Like(userToLikeId);
user.Like(userToLikeId);
// Assert
Assert.Single(user.UserLikes);
Assert.Contains(user.UserLikes, ul => ul.TargetUserId == userToLikeId);
}
public void Add_FirstPhoto_BecomesMain()
{
// Arrange
var user = UserGenerator.GenerateUser();
var photo = new Photo("photo", "url");
// Act
user.AddPhoto(photo);
// Assert
Assert.Single(user.Photos);
var mainPhoto = user.GetMainPhoto();
Assert.NotNull(mainPhoto);
Assert.Equal(photo.Name, mainPhoto.Name);
Assert.Equal(photo.Url, mainPhoto.Url);
}
public void Add_ManyPhotosAfterFirst_FirstIsStillMain()
{
// Arrange
var user = UserGenerator.GenerateUser();
var photo = new Photo("photo", "url");
var photo2 = new Photo("photo 2", "url2");
var photo3 = new Photo("photo 3", "url3");
// Act
user.AddPhoto(photo);
user.AddPhoto(photo2);
user.AddPhoto(photo3);
// Assert
Assert.Equal(3, user.Photos.Count);
var mainPhoto = user.GetMainPhoto();
Assert.NotNull(mainPhoto);
Assert.Equal(photo.Name, mainPhoto.Name);
Assert.Equal(photo.Url, mainPhoto.Url);
}
public void SetAsMain_HappyPath_NewPhotoBecomesMain()
{
// Arrange
var user = UserGenerator.GenerateUser();
var photo = new Photo("photo", "url");
user.AddPhoto(photo);
var newPhoto = new Photo("photo 2", "url2");
user.AddPhoto(newPhoto);
// Act
user.SetPhotoAsMain(newPhoto.Name);
// Assert
var mainPhoto = user.GetMainPhoto();
Assert.NotNull(mainPhoto);
Assert.Equal(newPhoto.Name, newPhoto.Name);
Assert.Equal(newPhoto.Url, newPhoto.Url);
}
