public void Add_CategoryToDbSetCategories_When_Valid()
{
// Arrange
var fakeDrumsAcademyContext = new Mock <IDrumsAcademyContext>();
var fakeCategoriesDbSet = QueryableDbSetMock.GetQueryableMockDbSetFromList(this.GetCategories());
fakeDrumsAcademyContext.Setup(f => f.Categories).Returns(fakeCategoriesDbSet);
var sut = new Services.Data.CategoryService(fakeDrumsAcademyContext.Object);
var category = new Category()
{
Id = Guid.NewGuid(), Type = CategoryType.Theory
};
var categoriesCount = fakeCategoriesDbSet.Count();
// Act
sut.AddCategory(category);
categoriesCount += 1;
// Assert
Assert.AreEqual(categoriesCount, fakeCategoriesDbSet.Count());
}
public void Delete_CategoryFromDbSetCategories_When_ValidIdIsPassed()
{
// Arrange
var contextMock = new Mock <IDrumsAcademyContext>();
var categorySetMock = new Mock <IDbSet <Category> >();
contextMock.Setup(x => x.Categories).Returns(categorySetMock.Object);
var categoryId = Guid.NewGuid();
var category = new Category {
Id = categoryId
};
categorySetMock.Setup(b => b.Find(categoryId)).Returns(category);
var categoryService = new Services.Data.CategoryService(contextMock.Object);
// Act
var numberOfRowsAffected = categoryService.DeleteCategory(categoryId);
// Assert
CollectionAssert.DoesNotContain(categorySetMock.Object, category);
Assert.AreEqual(numberOfRowsAffected, 1);
}
public void Throw_ArgumentNullException_When_NullIsPassed()
{
// Arrange
var fakeDrumsAcademyContext = new Mock <IDrumsAcademyContext>();
var sut = new Services.Data.CategoryService(fakeDrumsAcademyContext.Object);
// Act & Assert
Assert.Throws <ArgumentNullException>(() => sut.AddCategory(null));
}
public void ReturnNull_When_NotFound()
{
// Arrange
var contextMock = new Mock <IDrumsAcademyContext>();
var categoryService = new Services.Data.CategoryService(contextMock.Object);
var categorySetMock = new Mock <IDbSet <Category> >();
contextMock.Setup(x => x.Categories).Returns(categorySetMock.Object);
// Act
var bookResult = categoryService.GetById(Guid.NewGuid());
// Assert
Assert.IsNull(bookResult);
}
public void ReturnsCategory_When_Found()
{
// Arrange
var contextMock = new Mock <IDrumsAcademyContext>();
var categorySetMock = new Mock <IDbSet <Category> >();
contextMock.Setup(x => x.Categories).Returns(categorySetMock.Object);
var categoryId = Guid.NewGuid();
var category = new Category {
Id = categoryId
};
categorySetMock.Setup(b => b.Find(categoryId)).Returns(category);
var categoryService = new Services.Data.CategoryService(contextMock.Object);
// Act
var categoryResult = categoryService.GetById(categoryId);
// Assert
Assert.AreSame(categoryResult, category);
}
