public async Task InsertWalletAsync_PreviousWalletEntries_NewWalletEntry()
{
//// Arrange
// Setup In-Memory Database at desired state
DbContextOptions <WalletContext> dbContextOptions = new DbContextOptionsBuilder <WalletContext>()
.UseInMemoryDatabase(databaseName: "InsertWalletAsync_PreviousWalletEntries_NewWalletEntry")
.Options;
WalletEntry[] previousEntries = new[] {
new WalletEntry {
Id = Guid.NewGuid().ToString(), EventTime = DateTime.UtcNow, Amount = 10, BalanceBefore = 0
},
new WalletEntry {
Id = Guid.NewGuid().ToString(), EventTime = DateTime.UtcNow.AddTicks(1), Amount = 10, BalanceBefore = 0
}
};
using (WalletContext context = new WalletContext(dbContextOptions))
{
await context.AddRangeAsync(previousEntries);
context.SaveChanges();
}
// Initialize Entry
WalletEntry expectedNewEntry = new WalletEntry {
Id = Guid.NewGuid().ToString(), EventTime = DateTime.UtcNow, Amount = 10, BalanceBefore = 0
};
//// Act
using (WalletContext context = new WalletContext(dbContextOptions))
{
IWalletRepository walletRepository = new WalletRepository(context);
await walletRepository.InsertWalletEntryAsync(expectedNewEntry);
}
//// Assert
DbSet <WalletEntry> actualWalletEntries;
using (WalletContext context = new WalletContext(dbContextOptions))
{
actualWalletEntries = context.Transactions;
Assert.Collection(actualWalletEntries,
walletEntry => walletEntry.ShouldCompare(previousEntries[0]),
walletEntry => walletEntry.ShouldCompare(previousEntries[1]),
walletEntry => walletEntry.ShouldCompare(expectedNewEntry));
}
}