public async Task Should_Add_All_Transactions()
{
var newTransactions = new List <Transaction>()
{
new Transaction()
{
Payer = "NEW PAYER",
Points = 1000,
Timestamp = new DateTime(2020, 11, 12, 14, 0, 0, DateTimeKind.Utc)
},
new Transaction()
{
Payer = "NEW PAYER",
Points = 200,
Timestamp = new DateTime(2020, 9, 30, 11, 0, 0, DateTimeKind.Utc)
}
};
var service = new RewardsService(_rewardsDbContext, _mapper);
await service.AddTransactions(newTransactions);
var newPayerTransactions = await _rewardsDbContext.Transactions.Where(t => t.Payer == "NEW PAYER").ToListAsync();
Assert.Equal(2, newPayerTransactions.Count);
Assert.Contains(newPayerTransactions, t => string.Equals(t.Payer, newTransactions[0].Payer) && t.Points == newTransactions[0].Points && t.Timestamp.Equals(newTransactions[0].Timestamp) && t.RemainingPoints == newTransactions[0].Points);
Assert.Contains(newPayerTransactions, t => string.Equals(t.Payer, newTransactions[1].Payer) && t.Points == newTransactions[1].Points && t.Timestamp.Equals(newTransactions[1].Timestamp) && t.RemainingPoints == newTransactions[1].Points);
}
public async Task Should_Throw_Exception_Adding()
{
var newTransactions = new List <Transaction>()
{
new Transaction()
{
Payer = "DANNON",
Points = -100,
Timestamp = new DateTime(2020, 9, 12, 14, 0, 0, DateTimeKind.Utc)
}
};
var service = new RewardsService(_rewardsDbContext, _mapper);
var exception = await Assert.ThrowsAnyAsync <Exception>(() => service.AddTransactions(newTransactions));
Assert.Equal("Invalid transaction! Could not spend all points", exception.Message);
}
public async Task Should_Deduct_Points_Correctly_Adding()
{
var newTransactions = new List <Transaction>()
{
new Transaction()
{
Payer = "DANNON",
Points = -200,
Timestamp = new DateTime(2020, 11, 2, 15, 0, 0, DateTimeKind.Utc)
}
};
var service = new RewardsService(_rewardsDbContext, _mapper);
await service.AddTransactions(newTransactions);
var dannonTransactions = await _rewardsDbContext.Transactions.Where(t => t.Payer == "DANNON").ToListAsync();
Assert.Contains(dannonTransactions, t => string.Equals(t.Payer, newTransactions[0].Payer) && t.Points == newTransactions[0].Points && t.Timestamp.Equals(newTransactions[0].Timestamp) && t.RemainingPoints == 0);
Assert.Contains(dannonTransactions, t => string.Equals(t.Payer, mockTransactions[0].Payer) && t.Points == mockTransactions[0].Points && t.Timestamp.Equals(mockTransactions[0].Timestamp) && t.RemainingPoints == mockTransactions[0].Points - 100);
Assert.Contains(dannonTransactions, t => string.Equals(t.Payer, mockTransactions[4].Payer) && t.Points == mockTransactions[4].Points && t.Timestamp.Equals(mockTransactions[4].Timestamp) && t.RemainingPoints == mockTransactions[4].Points - 300);
}