public void TestAddTransaction()
{
// Mock setup for DataService
var mockAccountSet = new Mock<DbSet<Account>>();
var mockTransactionSet = new Mock<ICollection<Transaction>>();
var mockContext = new Mock<SoCashDbContext>();
// Account containing mock transaction set
var account = new Account {Transactions = mockTransactionSet.Object};
// Place mock account into mock account list
var data = new List<Account>
{
account
};
mockAccountSet.As<IQueryable<Account>>().Setup(m => m.Provider).Returns(data.AsQueryable().Provider);
mockAccountSet.As<IQueryable<Account>>().Setup(m => m.Expression).Returns(data.AsQueryable().Expression);
mockAccountSet.As<IQueryable<Account>>().Setup(m => m.ElementType).Returns(data.AsQueryable().ElementType);
mockAccountSet.As<IQueryable<Account>>().Setup(m => m.GetEnumerator()).Returns(data.GetEnumerator());
mockContext.Setup(m => m.Accounts).Returns(mockAccountSet.Object);
// Transaction to add
var newTransaction = new Transaction
{
Amount = 100,
CategoryName = "TestCat",
Description = "TestDesc",
FiTransactionId = "TRN1"
};
// Add the transaction
using (var service = new DataService(mockContext.Object))
{
service.AddTransaction(account, newTransaction);
}
// Verify that the service added the transaction on the mock db exactly once
mockTransactionSet.Verify(m => m.Add(newTransaction), Times.Once());
// Verify that the transaction ended properly
mockContext.Verify(m => m.SaveChanges(), Times.Once());
}
