public void GetCaloriesAmount_GivenFruitAndAmount_ReturnsTotalCalories()
{
var result = FruitRepository.GetCaloriesAmount("Apple", 350); //Apple 52cal/100g --> (52 x 350) / 100 = 182
var expectedResult = 182;
Assert.Equal(expectedResult, result);
}
public void GetCaloriesAmount_GivenFruitAndAmount_ReturnsZero()
{
var result = FruitRepository.GetCaloriesAmount("Mango", 350); //Mango is not in the fruit list
var expectedResult = 0;
Assert.Equal(expectedResult, result);
}
protected override IEnumerable <Fruit> GetFruits()
{
var freshUnspoiledFruits = FruitRepository.GetAll().Where(
f => IsFresh(f) && !f.IsSpoiled && f.Size == FruitSizes.Small);
return(freshUnspoiledFruits);
}
public void GetFruits_NewInstance_HasFourFruits()
{
var repo = new FruitRepository();
var fruits = repo.GetFruits();
Assert.Equal(4, fruits.Count);
var anySelected = fruits.Any(x => x.Selected);
Assert.False(anySelected);
}
public void SelectFruits_FirstFruitSelected_NoOtherFruitShouldBeSelected()
{
var repo = new FruitRepository();
var ids = new[] { 1 };
repo.SelectFruits(ids);
var notSelectedFruits = repo.GetFruits().Where(x => x.Selected == false);
Assert.Equal(3, notSelectedFruits.Count());
}
public async Task FruitsBasketViewComponent_InitialState_ShouldHaveNoneSelected()
{
var repo = new FruitRepository();
var vc = new FruitsBasketViewComponent(repo);
var result = await vc.InvokeAsync(VcDemoType.RazorPagesPrg) as ViewViewComponentResult;
var model = result.ViewData.Model as List <Fruit>;
Assert.Equal(7, model.Count);
Assert.All(model, f => Assert.False(f.Selected));
}
public void SelectFruits_FirstFruitSelected_ShouldBeSelected()
{
var repo = new FruitRepository();
var ids = new[] { 1 };
repo.SelectFruits(ids);
var firstFruit = repo.GetFruitById(ids.First());
Assert.True(firstFruit.Selected);
}
public void GetFruits_NewInstance_HasNoSelectedFruits()
{
var repo = new FruitRepository();
var fruits = repo.GetFruits();
var anySelected = fruits.Any(x => x.Selected);
Assert.False(anySelected);
var selected = repo.GetSelectedFruits();
Assert.Empty(selected);
}
public void GetAll_NoItems_ReturnsEmptyList()
{
using (var context = new ApplicationDbContext(GetDbContextOptions("GetAll_NoItems_ReturnsEmptyList")))
{
// Arrange
var repo = new FruitRepository(context);
// Act
var list = repo.GetAll().Result;
// Assert
Assert.Empty(list);
}
}
public void GetById_ItemDoesntExist_ReturnsNull()
{
using (var context = new ApplicationDbContext(GetDbContextOptions("GetById_ItemDoesntExist_ReturnsNull")))
{
// Arrange
var repo = new FruitRepository(context);
// Act
var item = repo.GetById(123).Result;
// Assert
Assert.Null(item);
}
}
public void DeleteById_ItemDoesntExist_ThrowsException()
{
using (var context = new ApplicationDbContext(GetDbContextOptions("Delete_ItemDoesntExist_ThrowsException")))
{
// Arrange
var repo = new FruitRepository(context);
// Assert
Assert.ThrowsAny <Exception>(() =>
{
// Act
repo.DeleteById(123).Wait();
});
}
}
public void GetFruitWithLessCalories_GivenCaloriesAmount_ReturnsFruit()
{
var result = FruitRepository.GetFruitWithLessCalories(50);
var expectedResult = new Fruit
{
Name = "Peach",
Calories = 39,
GramsPer = 100,
GeoDistribution = "Temperate"
};
var resultSerializedObject = JsonConvert.SerializeObject(result);
var expectedResultSerializedObject = JsonConvert.SerializeObject(expectedResult);
Assert.Equal(expectedResultSerializedObject, resultSerializedObject);
}
public void GetAll_SingleItem_ReturnsListWithSingleItem()
{
using (var context = new ApplicationDbContext(GetDbContextOptions("GetAll_SingleItem_ReturnsListWithSingleItem")))
{
// Arrange
context.Fruits.Add(new Fruit {
Id = 1, Color = Color.Red, Name = "Apple", Price = 2.99m, Rating = 5, Description = "An apple"
});
context.SaveChanges();
var repo = new FruitRepository(context);
// Act
var list = repo.GetAll().Result;
// Assert
Assert.Single(list);
}
}
public void Update_ItemDoesntExist_ThrowsException()
{
using (var context = new ApplicationDbContext(GetDbContextOptions("Update_ItemDoesntExist_ThrowsException")))
{
// Arrange
var repo = new FruitRepository(context);
var itemToUpdate = new Fruit {
Id = 5, Color = Color.Red, Name = "Apple", Price = 2.99m, Rating = 5, Description = "An apple"
};
// Assert
Assert.ThrowsAny <Exception>(() =>
{
// Act
repo.Update(itemToUpdate).Wait();
});
}
}
public void GetFruits_GivenGeoDistribution_ReturnsFruitList()
{
var result = FruitRepository.GetFruitsByGeoDistribution("Tropical");
var expectedResult = new List <Fruit>
{
new Fruit {
Name = "Banana", Calories = 89, GramsPer = 100, GeoDistribution = "Tropical"
},
new Fruit {
Name = "Pineapple", Calories = 50, GramsPer = 100, GeoDistribution = "Tropical"
}
};
var resultSerializedObject = JsonConvert.SerializeObject(result);
var expectedResultSerializedObject = JsonConvert.SerializeObject(expectedResult);
Assert.Equal(expectedResultSerializedObject, resultSerializedObject);
}
public void DeleteById_ItemExists_DeletesItemSuccessfully()
{
using (var context = new ApplicationDbContext(GetDbContextOptions("DeleteById_ItemExists_DeletesItemSuccessfully")))
{
// Arrange
var repo = new FruitRepository(context);
var item = new Fruit {
Id = 5, Color = Color.Red, Name = "Apple", Price = 2.99m, Rating = 5, Description = "An apple"
};
repo.Add(item).Wait();
// Act
repo.DeleteById(5).Wait();
// Assert
var deletedItem = repo.GetById(5).Result;
Assert.Null(deletedItem);
}
}
public void GetById_ItemExists_ReturnsItem()
{
using (var context = new ApplicationDbContext(GetDbContextOptions("GetById_ItemExists_ReturnsTheItem")))
{
// Arrange
context.Fruits.Add(new Fruit {
Id = 1, Color = Color.Red, Name = "Apple", Price = 2.99m, Rating = 5, Description = "An apple"
});
context.SaveChanges();
var repo = new FruitRepository(context);
// Act
var item = repo.GetById(1).Result;
// Assert
Assert.Equal(1, item.Id);
Assert.Equal("Apple", item.Name);
}
}
public void Add_SingleItem_ItemAddedSuccessfully()
{
using (var context = new ApplicationDbContext(GetDbContextOptions("Add_SingleItem_ItemAddedSuccessfully")))
{
// Arrange
var repo = new FruitRepository(context);
var itemToAdd = new Fruit {
Id = 5, Color = Color.Red, Name = "Apple", Price = 2.99m, Rating = 5, Description = "An apple"
};
// Act
repo.Add(itemToAdd).Wait();
// Assert
var item = repo.GetById(5).Result;
Assert.NotNull(item);
Assert.Equal(5, item.Id);
Assert.Equal("Apple", item.Name);
}
}
public void Update_ItemExists_UpdatesItemSuccessfully()
{
using (var context = new ApplicationDbContext(GetDbContextOptions("Update_ItemExists_UpdatesItemSuccessfully")))
{
// Arrange
var repo = new FruitRepository(context);
var item = new Fruit {
Id = 5, Color = Color.Red, Name = "Apple", Price = 2.99m, Rating = 5, Description = "An apple"
};
repo.Add(item).Wait();
// Act
item.Name = "Banana";
repo.Update(item).Wait();
// Assert
var updatedItem = repo.GetById(5).Result;
Assert.NotNull(updatedItem);
Assert.Equal("Banana", updatedItem.Name);
}
}
public async Task FruitsBasketViewComponent_SelectFruits_ShouldHaveSelected()
{
var repo = new FruitRepository();
var vc = new FruitsBasketViewComponent(repo);
repo.SelectFruits(new[] { 1, 2, 7 });
var result = await vc.InvokeAsync(VcDemoType.RazorPagesPrg) as ViewViewComponentResult;
var model = result.ViewData.Model as List <Fruit>;
Assert.Equal(7, model.Count);
Assert.Collection(model, f => Assert.True(f.Selected),
f => Assert.True(f.Selected),
f => Assert.False(f.Selected),
f => Assert.False(f.Selected),
f => Assert.False(f.Selected),
f => Assert.False(f.Selected),
f => Assert.True(f.Selected)
);
}
public void ExistFruit_GivenFruitName_ReturnsFalse()
{
var result = FruitRepository.ExistFruit("Mango");
Assert.False(result);
}
protected AbstractFruitStore()
{
FruitRepository = new FruitRepository();
}
public void GetFruitWithLessCalories_GivenCaloriesAmount_ReturnsNull()
{
var result = FruitRepository.GetFruitWithLessCalories(10);
Assert.Null(result);
}
public void ExistFruit_GivenFruitName_ReturnsTrue()
{
var result = FruitRepository.ExistFruit("Apple");
Assert.True(result);
}
public MadisonAvenueFruitStore()
{
_fruitRepository = new FruitRepository();
}
public void GetFruits_GivenGeoDistribution_ReturnsEmpty()
{
var result = FruitRepository.GetFruitsByGeoDistribution("Wrong GeoDistribution");
Assert.Empty(result);
}
public LexingtonAvenueFruitStore()
{
_fruitRepository = new FruitRepository();
}
public JsonResult GetFruits()
{
IList <Fruit> FruitsList = new FruitRepository().GetFruits();
return(Json(FruitsList, JsonRequestBehavior.AllowGet));
}
