public void TestDeleteBooksByAuthorThatDoesntExist()
{
var authors = new List <Author>()
{
new Author("AuthorA"),
new Author("AuthorB"),
};
var book = new Book("BookTitle", authors);
bookDatabase = new BookDatabase(new List <Book>()
{
book
});
try
{
bookDatabase.DeleteBooksByAuthor(authors[0].Name + "1111", true);
bookDatabase.DeleteBooksByAuthor(authors[0].Name + "1111", false);
}
catch (Exception e)
{
Assert.Fail("Delete books by author operation should not fail when deleting those by an unknown author");
}
}
private void TestDeleteBooksByAuthorNull(bool deleteMultiAuthoredBooks)
{
try
{
bookDatabase.DeleteBooksByAuthor(null, deleteMultiAuthoredBooks);
Assert.Fail("Deleting books by null author should fail");
}
catch (ArgumentNullException)
{
}
catch (Exception e)
{
Assert.Fail("Should throw ArgumentNullException");
}
}
public void TestDeleteBooksByAuthorSuccess_Multi()
{
var authors = new List <Author>()
{
new Author("AuthorA"),
new Author("AuthorB"),
};
var book = new Book("BookTitle", authors);
bookDatabase = new BookDatabase(new List <Book>()
{
book
});
try
{
bookDatabase.DeleteBooksByAuthor(authors[0].Name, true);
}
catch (Exception e)
{
Assert.Fail();
}
// Check book title
try
{
bookDatabase.GetAuthorsForBook(book.Title);
Assert.Fail("Book should not exist anymore");
}
catch (ArgumentException)
{
}
catch (Exception)
{
Assert.Fail("Should throw ArgumentException");
}
// Check authors
try
{
bookDatabase.GetBookTitlesForAuthor(authors[0].Name);
Assert.Fail("Book should not exist anymore");
}
catch (ArgumentException)
{
}
catch (Exception)
{
Assert.Fail("Should throw ArgumentException");
}
}