public void GivenIsValidIsbn_WhenIsbnIsValid_ThenShouldReturnTrue()
{
// Arrange
var isbn = BookStub.CreateNew().Isbn;
var repository = new Mock <IRepository <Book> >();
var service = new BookService(repository.Object);
// Act
var result = service.IsValidIsbn(isbn);
// Assert
result.Should().BeTrue();
}
public void GivenCreate_WhenInvokedWithBook_ThenShouldAddBookToTheDbSet()
{
// Arrange
var book = BookStub.CreateNew();
var set = new Mock <DbSet <Book> >();
var context = new Mock <DbContext>();
context.Setup(c => c.Set <Book>()).Returns(set.Object);
var repository = new BookRepository(context.Object);
// Act
repository.Create(book);
// Assert
set.Verify(s => s.Add(It.IsAny <Book>()), Times.Exactly(1));
}
public void GivenHttpGetVerb_WhenRequestParameterIdentifiesAnExistingBook_ThenShouldReturnStatusOkAndTheBook()
{
// Arrange
var book = BookStub.CreateNew();
var service = new Mock <IBookService>();
service.Setup(s => s.RetrieveByIsbn(book.Isbn)).Returns(book);
var controller = new BookController(service.Object);
// Act
var result = controller.Get(book.Isbn) as OkNegotiatedContentResult <Book>;
// Assert
service.Verify(s => s.RetrieveByIsbn(It.IsAny <string>()), Times.Exactly(1));
result.Should().BeOfType <OkNegotiatedContentResult <Book> >();
result.Content.ShouldBeEquivalentTo(book);
}
public void GivenHttpPostVerb_WhenRequestBodyIsBookWithInvalidIsbn_ThenShouldReturnStatusBadRequest()
{
// Arrange
var book = BookStub.CreateNew();
book.Isbn = null;
var service = new Mock <IBookService>();
service.Setup(s => s.Create(book));
var controller = new BookController(service.Object);
// Act
var result = controller.Post(book) as BadRequestResult;
// Assert
service.Verify(s => s.Create(It.IsAny <Book>()), Times.Never);
result.Should().BeOfType <BadRequestResult>();
}
public void GivenHttpDeleteVerb_WhenRequestParameterIsValidIsbn_ThenShouldReturnStatusNoContent()
{
// Arrange
var isbn = BookStub.CreateNew().Isbn;
var service = new Mock <IBookService>();
service.Setup(s => s.IsValidIsbn(isbn)).Returns(true);
service.Setup(s => s.Delete(isbn));
var controller = new BookController(service.Object);
// Act
var result = controller.Delete(isbn) as ResponseMessageResult;
// Assert
service.Verify(s => s.Delete(It.IsAny <string>()), Times.Exactly(1));
result.Should().BeOfType <ResponseMessageResult>();
result.Response.StatusCode.ShouldBeEquivalentTo(204);
}
public void GivenHttpPutVerb_WhenRequestParameterIsInvalid_ThenShouldReturnStatusBadRequest()
{
// Arrange
string isbn = null;
var book = BookStub.CreateNew();
var service = new Mock <IBookService>();
service.Setup(s => s.IsValidIsbn(isbn)).Returns(false);
service.Setup(s => s.Update(book));
var controller = new BookController(service.Object);
// Act
var result = controller.Put(isbn, book) as BadRequestResult;
// Assert
service.Verify(s => s.Update(It.IsAny <Book>()), Times.Never);
result.Should().BeOfType <BadRequestResult>();
}
public void GivenUpdate_WhenInvoked_ThenShouldUpdateBookInRepository()
{
// Arrange
var book = BookStub.CreateNew();
var repository = new Mock <IRepository <Book> >();
repository.Setup(r => r.Retrieve(book.Isbn))
.Returns(book);
var service = new BookService(repository.Object);
// Act
service.Update(book);
// Assert
repository.Verify(r => r.Update(It.IsAny <Book>()), Times.Exactly(1));
}
public void GivenHttpPostVerb_WhenRequestBodyIsAlreadyExistingBook_ThenShouldReturnStatusConflict()
{
// Arrange
var book = BookStub.CreateNew();
var service = new Mock <IBookService>();
service.Setup(s => s.IsValidIsbn(book.Isbn)).Returns(true);
service.Setup(s => s.RetrieveByIsbn(book.Isbn)).Returns(book);
service.Setup(s => s.Create(book));
var controller = new BookController(service.Object);
// Act
var result = controller.Post(book) as ConflictResult;
// Assert
service.Verify(s => s.RetrieveByIsbn(It.IsAny <string>()), Times.Exactly(1));
service.Verify(s => s.Create(It.IsAny <Book>()), Times.Never);
result.Should().BeOfType <ConflictResult>();
}
public void GivenHttpPutVerb_WhenBothIsbnsAreValidButDoNotIdentifyAnExistingBook_ThenShouldReturnStatusNotFound()
{
// Arrange
var book = BookStub.CreateNew();
var isbn = book.Isbn;
var service = new Mock <IBookService>();
service.Setup(s => s.IsValidIsbn(isbn)).Returns(true);
service.Setup(s => s.Update(book));
service.Setup(s => s.RetrieveByIsbn(book.Isbn)).Returns(null as Book);
var controller = new BookController(service.Object);
// Act
var result = controller.Put(isbn, book) as NotFoundResult;
// Assert
service.Verify(s => s.Update(It.IsAny <Book>()), Times.Never);
result.Should().BeOfType <NotFoundResult>();
}
public void GivenRetrieveByIsbn_WhenInvoked_ThenShouldReturnMatchingBook()
{
// Arrange
var book = BookStub.CreateNew();
var repository = new Mock <IRepository <Book> >();
repository.Setup(r => r.Retrieve(book.Isbn))
.Returns(book);
var service = new BookService(repository.Object);
// Act
var result = service.RetrieveByIsbn(book.Isbn);
// Assert
result.ShouldBeEquivalentTo(book);
repository.Verify(r => r.Retrieve(book.Isbn), Times.Exactly(1));
}
public void GivenRetrieve_WhenInvokedWithIsbn_ThenShouldReturnAMatchingBook()
{
// Arrange
var book = BookStub.CreateNew();
var set = new Mock <DbSet <Book> >();
set.Setup(s => s.Find(book.Isbn)).Returns(book);
var context = new Mock <DbContext>();
context.Setup(c => c.Set <Book>()).Returns(set.Object);
var repository = new BookRepository(context.Object);
// Act
var result = repository.Retrieve(book.Isbn);
// Assert
set.Verify(s => s.Find(It.IsAny <object[]>()), Times.Exactly(1));
result.ShouldBeEquivalentTo(book);
}
public void GivenHttpPutVerb_WhenBothIsbnsAreValidAndIdentifyAnExistingBook_ThenShouldReturnStatusNoContent()
{
// Arrange
var book = BookStub.CreateNew();
var isbn = book.Isbn;
var service = new Mock <IBookService>();
service.Setup(s => s.IsValidIsbn(isbn)).Returns(true);
service.Setup(s => s.Update(book));
service.Setup(s => s.RetrieveByIsbn(book.Isbn)).Returns(book);
var controller = new BookController(service.Object);
// Act
var result = controller.Put(isbn, book) as ResponseMessageResult;
// Assert
service.Verify(s => s.Update(It.IsAny <Book>()), Times.Exactly(1));
result.Should().BeOfType <ResponseMessageResult>();
result.Response.StatusCode.ShouldBeEquivalentTo(204);
}
public void GivenHttpPostVerb_WhenRequestBodyHasValidBook_ThenShouldReturnStatusCreatedAndLocationHeader()
{
// Arrange
var book = BookStub.CreateNew();
var service = new Mock <IBookService>();
service.Setup(s => s.IsValidIsbn(book.Isbn)).Returns(true);
service.Setup(s => s.RetrieveByIsbn(book.Isbn)).Returns(null as Book);
var controller = new BookController(service.Object);
var location = string.Format("/book/{0}", book.Isbn);
// Act
var result = controller.Post(book) as CreatedNegotiatedContentResult <Book>;
// Assert
service.Verify(s => s.RetrieveByIsbn(It.IsAny <string>()), Times.Exactly(1));
service.Verify(s => s.Create(It.IsAny <Book>()), Times.Exactly(1));
result.Should().BeOfType <CreatedNegotiatedContentResult <Book> >();
result.Content.ShouldBeEquivalentTo(book);
result.Location.ShouldBeEquivalentTo(location);
}