public void GivenDelete_WhenDeleteBookIsNull_ShouldReturnException()
{
// Arrange
var bookFileStorage = new BookFileStorage(_settings);
//Act
TestDelegate testAction = () => bookFileStorage.Delete(null);
//Assert
var ex = Assert.Throws <InvalidOperationException>(testAction);
Assert.That(ex.Message, Is.EqualTo("Can not delete null object!"));
}
public void GivenDelete_WhenDeleteNonExistBook_ShouldReturnException()
{
// Arrange
var book = new Book {
Id = 5, Name = "Herbert Schildt C#", IsArchive = false
};
var bookFileStorage = new BookFileStorage(_settings);
//Act
TestDelegate testAction = () => bookFileStorage.Delete(book);
//Assert
var ex = Assert.Throws <InvalidOperationException>(testAction);
Assert.That(ex.Message, Is.EqualTo("There is not this item in the Item Storage!"));
}
public void Delete_WhenDeleteExistBook_ShouldReturnBookListWithoutDeletedBook()
{
// Arrange
Book bookToDelete = new Book {
Id = 4, Name = "The Hobbit"
};
var bookFileStorage = new BookFileStorage(_settings);
// Act
var booksBeforeDelete = bookFileStorage.GetAll();
bookFileStorage.Delete(bookToDelete);
var booksAfterDelete = bookFileStorage.GetAll();
// Assert
booksBeforeDelete.Should().BeEquivalentTo(new List <Book>
{
new Book {
Id = 1, Name = "The Lord of the Rings"
},
new Book {
Id = 2, Name = "Le Petit Prince"
},
new Book {
Id = 3, Name = "Harry Potter and the Philosopher's Stone"
},
new Book {
Id = 4, Name = "The Hobbit"
}
});
booksAfterDelete.Should().BeEquivalentTo(new List <Book>
{
new Book {
Id = 1, Name = "The Lord of the Rings"
},
new Book {
Id = 2, Name = "Le Petit Prince"
},
new Book {
Id = 3, Name = "Harry Potter and the Philosopher's Stone"
},
});
}