public void ShouldCallAddNewBookOnRepository()
{
var addNewBookHandler = new AddNewBook(_repositoryMock.Object);
var newBookQuery = new AddNewBookQuery {
ISBN = "0123456789012"
};
addNewBookHandler.Handle(newBookQuery);
_repositoryMock.Verify(x => x.AddNewBook(It.Is <Book>(book => book.ISBN == newBookQuery.ISBN)));
}
public void ShouldReturnFalseWhenRepositoryDidNotReturnOne()
{
_repositoryMock.Setup(mock => mock.AddNewBook(It.Is <Book>(x => x.ISBN == "0123456789012"))).Returns(0);
var addNewBookHandler = new AddNewBook(_repositoryMock.Object);
var newBookQuery = new AddNewBookQuery {
ISBN = "0123456789012"
};
var handlerResult = addNewBookHandler.Handle(newBookQuery);
Assert.False(handlerResult);
}
public void ShouldReturnTrueIfAddedExactlyOneRecord()
{
_repositoryMock.Setup(mock => mock.AddNewBook(It.Is <Book>(x => x.ISBN == "0123456789012"))).Returns(1);
var addNewBookHandler = new AddNewBook(_repositoryMock.Object);
var newBookQuery = new AddNewBookQuery {
ISBN = "0123456789012"
};
var handlerResult = addNewBookHandler.Handle(newBookQuery);
Assert.True(handlerResult);
}