public async Task Balance_ShouldAddToEachOtherAsync()
{
// Arrange
var options = BuildContextOptions();
Participant from;
Participant to;
Currency currency;
using (var context = new BorrowBuddyContext(options)) {
currency = context.AddCurrency();
from = context.AddParticipant();
to = context.AddParticipant();
context.AddFlow(from, to, currency, 50);
context.AddFlow(from, to, currency, 100);
}
using (var context = new BorrowBuddyContext(options)) {
var service = new BalanceService(context);
// Act
var balance = await service.BalanceAsync(from.Id, to.Id, currency.Code);
// Assert
Assert.Equal(150, balance);
}
}
public async Task Update_ShouldUpdateCurrency()
{
var options = BuildContextOptions();
// Arrange
Currency currency;
using (var context = new BorrowBuddyContext(options)) {
currency = context.AddCurrency();
}
// Act
using (var context = new BorrowBuddyContext(options)) {
var service = new CurrencyService(context);
await service.UpdateAsync(currency.Code, new CurrencyDto {
Scale = 123,
Symbol = "symbol123"
});
}
using (var context = new BorrowBuddyContext(options)) {
// Assert
var result = context.Currencies.FirstOrDefault();
Assert.NotNull(result);
Assert.Equal(currency.Code, result.Code);
Assert.Equal(123, result.Scale);
Assert.Equal("symbol123", result.Symbol);
}
}
public static Flow AddFlow(this BorrowBuddyContext context, long amount = 0)
{
var currency = context.AddCurrency();
var from = context.AddParticipant();
var to = context.AddParticipant();
return(context.AddFlow(from, to, currency, amount));
}
public async Task Get_Exists_ShouldReturnCurrencies()
{
// Arrange
var options = BuildContextOptions();
using (var context = new BorrowBuddyContext(options)) {
context.AddCurrency();
context.AddCurrency();
context.SaveChanges();
}
using (var context = new BorrowBuddyContext(options)) {
var service = new CurrencyService(context);
// Act
var result = await service.GetAsync();
// Assert
Assert.NotNull(result);
Assert.Equal(2, result.Count);
}
}
public async Task Delete_ShouldDeleteCurrency()
{
// Arrange
var options = BuildContextOptions();
Currency currency;
using (var context = new BorrowBuddyContext(options)) {
currency = context.AddCurrency();
}
using (var context = new BorrowBuddyContext(options)) {
// Act
var service = new CurrencyService(context);
await service.DeleteAsync(currency.Code);
}
using (var context = new BorrowBuddyContext(options)) {
// Assert
var result = context.Currencies.FirstOrDefault();
Assert.Null(result);
}
}
public async Task Add_ShouldAddFlow()
{
// Arrange
var options = BuildContextOptions();
Currency currency;
Participant lender;
Participant lendee;
using (var context = new BorrowBuddyContext(options)) {
currency = context.AddCurrency();
lender = context.AddParticipant();
lendee = context.AddParticipant();
context.SaveChanges();
}
using (var context = new BorrowBuddyContext(options)) {
// Act
var service = new FlowService(context);
var dto = new FlowDto {
LendeeId = lendee.Id,
LenderId = lender.Id,
Amount = 100,
CurrencyCode = currency.Code
};
await service.AddAsync(dto);
}
// Assert
using (var context = new BorrowBuddyContext(options)) {
var flow = context.Flows.FirstOrDefault();
Assert.NotNull(flow);
Assert.Equal(lender.Id, flow.Lender.Id);
Assert.Equal(lendee.Id, flow.Lendee.Id);
Assert.Equal(100, flow.Amount.Value);
Assert.Equal(currency.Code, flow.Amount.Currency.Code);
}
}
