public void AddFailsWithInvalidGenre()
{
//Arrange
GenreBindingModel genre = null;
//Act
Action action = () => this.genreService.Add(genre);
//Assert
Assert.ThrowsException <InvalidOperationException>(action);
}
public void AddReturnsCorrectType()
{
//Arrange
var genre = new GenreBindingModel {
Description = "genre one"
};
//Act
var result = this.genreService.Add(genre);
//Assert
Assert.IsInstanceOfType(result, typeof(GenreBindingModel));
}
public GenreBindingModel GetGenreById(int id)
{
var genre = new GenreBindingModel();
var genreDb = DbContext.Genres.Find(id);
if (genreDb == null)
{
genre.SetError("No such genre in database");
return(genre);
}
genre = Mapper.Map <GenreBindingModel>(genreDb);
return(genre);
}
public void EditWorksCorrectlyWithNonExistentId()
{
//Arrange
var invalidModel = new GenreBindingModel {
Id = 0, Description = "invalid"
};
//Act
var result = this.genreService.EditGenre(invalidModel);
//Assert
Assert.IsTrue(result.HasError);
Assert.AreEqual(result.Message, "No such genre in database");
}
public GenreBindingModel Add(GenreBindingModel model)
{
if (DbContext.Genres.Any(g => g.Description == model.Description))
{
model.SetError("Genre already exists");
return(model);
}
var genre = Mapper.Map <Genre>(model);
DbContext.Genres.Add(genre);
DbContext.SaveChanges();
Mapper.Map(genre, model);
return(model);
}
public GenreBindingModel DeleteGenre(int id)
{
var model = new GenreBindingModel();
var genre = DbContext.Genres.Find(id);
if (genre == null)
{
model.SetError("No such genre in database");
return(model);
}
DbContext.Genres.Remove(genre);
DbContext.SaveChanges();
Mapper.Map(genre, model);
return(model);
}
public void EditWorksCorrectlyWithValidModel()
{
//Arrange
this.dbContext.Genres.Add(new Genre {
Description = "genre one"
});
this.dbContext.SaveChanges();
var editedGenre = new GenreBindingModel {
Id = 1, Description = "edited"
};
//Act
var result = this.genreService.EditGenre(editedGenre);
//Assert
Assert.AreEqual("edited", result.Description);
}
public void AddWorksCorrectlyWithDuplicateGenre()
{
//Arrange
this.dbContext.Genres.Add(new Genre {
Description = "genre one"
});
this.dbContext.SaveChanges();
var duplicateGenre = new GenreBindingModel {
Description = "genre one"
};
//Act
var result = this.genreService.Add(duplicateGenre);
//Assert
Assert.IsTrue(result.HasError);
Assert.AreEqual(result.Message, "Genre already exists");
}
public void AddWorksCorrectlyWithValidGenre()
{
//Arrange
var genre = new GenreBindingModel {
Description = "genre one"
};
//Act
this.genreService.Add(genre);
//Assert
Assert.AreEqual(1, this.dbContext.Genres.Count());
var genreDb = this.dbContext.Genres.FirstOrDefault();
Assert.IsNotNull(genreDb);
Assert.AreEqual("genre one", genreDb.Description);
}
public IActionResult Edit(GenreBindingModel model)
{
if (!ModelState.IsValid)
{
return(this.View(model));
}
var result = this.genreService.EditGenre(model);
LogResult(result);
if (result.HasError)
{
SetMessage(MessageType.Danger, result.Message);
return(this.View(result));
}
SetMessage(MessageType.Success, $"Genre {model.Description} edited successfully");
return(this.RedirectToAction("All"));
}
public GenreBindingModel EditGenre(GenreBindingModel model)
{
var genre = DbContext.Genres.Find(model.Id);
if (genre == null)
{
model.SetError("No such genre in database");
return(model);
}
if (DbContext.Genres.Any(g => g.Id != model.Id && g.Description == model.Description))
{
model.SetError("Genre already exists");
return(model);
}
Mapper.Map(model, genre);
DbContext.Genres.Update(genre);
DbContext.SaveChanges();
Mapper.Map(genre, model);
return(model);
}
