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using FluentAssertions;
using System.IO;
using Xunit;
namespace MobilePayHomework
{
public class TransactionProcessorTests
{
[Fact]
public void Main_should_not_throw()
{
Program.Main(null);
}
[Fact]
public void Transaction_fee_should_be_charged()
{
var sut = TransactionProcessor.Default(invoiceFixedFee: 0m, teliaDiscount: 0m, circleKDiscount: 0m);
var lines = @"
2018-09-02 CIRCLE_K 120
2018-09-04 TELIA 200
2018-10-22 CIRCLE_K 300
2018-10-29 CIRCLE_K 150
";
var actual = sut.ProcessLines(lines);
actual.Should().BeEquivalentTo(new[]
{
new Fee("2018-09-02","CIRCLE_K", 1.20m),
new Fee("2018-09-04","TELIA" , 2.00m),
new Fee("2018-10-22","CIRCLE_K", 3.00m),
new Fee("2018-10-29","CIRCLE_K", 1.50m),
});
}
[Fact]
public void Telia_should_get_discount()
{
var sut = TransactionProcessor.Default(invoiceFixedFee: 0m);
var lines = @"
2018-09-02 TELIA 120
2018-09-04 TELIA 200
2018-10-22 TELIA 300
2018-10-29 TELIA 150
";
var actual = sut.ProcessLines(lines);
actual.Should().BeEquivalentTo(new[]
{
new Fee("2018-09-02","TELIA", 1.08m),
new Fee("2018-09-04","TELIA", 1.80m),
new Fee("2018-10-22","TELIA", 2.70m),
new Fee("2018-10-29","TELIA", 1.35m),
});
}
[Fact]
public void CircleK_should_get_discount()
{
var sut = TransactionProcessor.Default(invoiceFixedFee: 0m);
var lines = @"
2018-09-02 CIRCLE_K 120
2018-09-04 CIRCLE_K 200
2018-10-22 CIRCLE_K 300
2018-10-29 CIRCLE_K 150
";
var actual = sut.ProcessLines(lines);
actual.Should().BeEquivalentTo(new[]
{
new Fee("2018-09-02","CIRCLE_K", 0.96m),
new Fee("2018-09-04","CIRCLE_K", 1.60m),
new Fee("2018-10-22","CIRCLE_K", 2.40m),
new Fee("2018-10-29","CIRCLE_K", 1.20m),
});
}
[Fact]
public void Invoice_fixed_fee_should_be_charged()
{
var sut = TransactionProcessor.Default();
var lines = @"
2018-09-02 7-ELEVEN 120
2018-09-04 NETTO 200
2018-10-22 7-ELEVEN 300
2018-10-29 7-ELEVEN 150
";
var actual = sut.ProcessLines(lines);
actual.Should().BeEquivalentTo(new[]
{
new Fee("2018-09-02","7-ELEVEN", 30.20m),
new Fee("2018-09-04","NETTO" , 31.00m),
new Fee("2018-10-22","7-ELEVEN", 32.00m),
new Fee("2018-10-29","7-ELEVEN", 1.50m),
});
}
[Fact]
public void Transactions_should_be_charged()
{
var lines = File.ReadAllText("./transactions.txt");
var processor = TransactionProcessor.Default();
var actual = processor.ProcessLines(lines);
actual.Should().BeEquivalentTo(new[]
{
new Fee("2018-09-01","7-ELEVEN", 30.00m),
new Fee("2018-09-04","CIRCLE_K", 29.80m),
new Fee("2018-09-07","TELIA", 29.90m),
new Fee("2018-09-09","NETTO", 30.00m),
new Fee("2018-09-13","CIRCLE_K", 0.80m ),
new Fee("2018-09-16","TELIA", 0.90m ),
new Fee("2018-09-19","7-ELEVEN", 1.00m ),
new Fee("2018-09-22","CIRCLE_K", 0.80m ),
new Fee("2018-09-25","TELIA", 0.90m ),
new Fee("2018-09-28","7-ELEVEN", 1.00m ),
new Fee("2018-09-30","CIRCLE_K", 0.80m ),
new Fee("2018-10-01","7-ELEVEN", 30.00m),
new Fee("2018-10-04","CIRCLE_K", 29.80m),
new Fee("2018-10-07","TELIA", 29.90m),
new Fee("2018-10-10","NETTO", 30.00m),
new Fee("2018-10-13","CIRCLE_K", 0.80m ),
new Fee("2018-10-16","TELIA", 0.90m ),
new Fee("2018-10-19","7-ELEVEN", 1.00m ),
new Fee("2018-10-22","CIRCLE_K", 0.80m ),
new Fee("2018-10-25","TELIA", 0.90m ),
new Fee("2018-10-28","7-ELEVEN", 1.00m ),
new Fee("2018-10-30","CIRCLE_K", 0.80m ),
});
}
[Fact]
public void Invoice_fee_not_charged_for_0_fee()
{
var sut = TransactionProcessor.Default();
var lines = @"
2018-09-01 7-ELEVEN 0
2018-09-01 7-ELEVEN 100
2018-09-04 CIRCLE_K 100
2018-09-07 TELIA 100
2018-09-09 NETTO 100
2018-09-13 CIRCLE_K 100
2018-09-16 TELIA 100
2018-09-19 7-ELEVEN 100
2018-09-22 CIRCLE_K 100
2018-09-25 TELIA 100
2018-09-28 7-ELEVEN 100
2018-09-30 CIRCLE_K 100
2018-10-01 7-ELEVEN 100
2018-10-04 CIRCLE_K 100
2018-10-07 TELIA 100
2018-10-10 NETTO 100
2018-10-13 CIRCLE_K 100
2018-10-16 TELIA 100
2018-10-19 7-ELEVEN 100
2018-10-22 CIRCLE_K 100
2018-10-25 TELIA 100
2018-10-28 7-ELEVEN 100
2018-10-30 CIRCLE_K 100
";
var actual = sut.ProcessLines(lines);
actual.Should().BeEquivalentTo(new[]
{
new Fee("2018-09-01","7-ELEVEN", 0m),
new Fee("2018-09-01","7-ELEVEN", 30.00m),
new Fee("2018-09-04","CIRCLE_K", 29.80m),
new Fee("2018-09-07","TELIA", 29.90m),
new Fee("2018-09-09","NETTO", 30.00m),
new Fee("2018-09-13","CIRCLE_K", 0.80m ),
new Fee("2018-09-16","TELIA", 0.90m ),
new Fee("2018-09-19","7-ELEVEN", 1.00m ),
new Fee("2018-09-22","CIRCLE_K", 0.80m ),
new Fee("2018-09-25","TELIA", 0.90m ),
new Fee("2018-09-28","7-ELEVEN", 1.00m ),
new Fee("2018-09-30","CIRCLE_K", 0.80m ),
new Fee("2018-10-01","7-ELEVEN", 30.00m),
new Fee("2018-10-04","CIRCLE_K", 29.80m),
new Fee("2018-10-07","TELIA", 29.90m),
new Fee("2018-10-10","NETTO", 30.00m),
new Fee("2018-10-13","CIRCLE_K", 0.80m ),
new Fee("2018-10-16","TELIA", 0.90m ),
new Fee("2018-10-19","7-ELEVEN", 1.00m ),
new Fee("2018-10-22","CIRCLE_K", 0.80m ),
new Fee("2018-10-25","TELIA", 0.90m ),
new Fee("2018-10-28","7-ELEVEN", 1.00m ),
new Fee("2018-10-30","CIRCLE_K", 0.80m ),
});
}
}
}