pos-transactions-bff/tests/Pos.Transactions.Bff.Application.UnitTests/OperationsPosTransactionsServiceClientTests.cs
2026-03-31 18:54:42 -06:00

112 lines
3.8 KiB
C#

using System.Net;
using System.Text;
using Pos.Transactions.Bff.Application.Adapters;
using Pos.Transactions.Bff.Contracts.Requests;
namespace Pos.Transactions.Bff.Application.UnitTests;
public sealed class OperationsPosTransactionsServiceClientTests
{
[Fact]
public async Task FetchSummaryAsync_MapsBalanceCurrencyAndPayments()
{
var adapter = new OperationsPosTransactionsServiceClient(CreateClient(SummaryPayload));
var response = await adapter.FetchSummaryAsync(new GetPosTransactionSummaryRequest("demo-context"), CancellationToken.None);
Assert.Equal(37.50m, response.OpenBalance);
Assert.Equal("USD", response.Currency);
Assert.Equal(2, response.RecentPayments.Count);
}
[Fact]
public async Task FetchDetailAsync_ReturnsMatchingTransactionWhenPresent()
{
var adapter = new OperationsPosTransactionsServiceClient(CreateClient(SummaryPayload));
var response = await adapter.FetchDetailAsync(new GetPosTransactionDetailRequest("demo-context", "CHK-1002"), CancellationToken.None);
Assert.NotNull(response.Transaction);
Assert.Equal("CHK-1002", response.Transaction!.TransactionId);
Assert.Equal("awaiting-payment", response.Transaction.Status);
}
[Fact]
public async Task FetchRecentPaymentsAsync_ReturnsProjectedPaymentHistory()
{
var adapter = new OperationsPosTransactionsServiceClient(CreateClient(SummaryPayload));
var response = await adapter.FetchRecentPaymentsAsync(new GetPosTransactionSummaryRequest("demo-context"), CancellationToken.None);
Assert.Equal(2, response.RecentPayments.Count);
}
[Fact]
public async Task CapturePaymentAsync_MapsCaptureWorkflowPayload()
{
var adapter = new OperationsPosTransactionsServiceClient(CreateClient("""
{
"contextId": "demo-context",
"transactionId": "POS-9003",
"succeeded": true,
"summary": "Captured 19.95 USD using card.",
"status": "captured",
"capturedAtUtc": "2026-03-31T14:05:00Z"
}
"""));
var response = await adapter.CapturePaymentAsync(
new CapturePosPaymentRequest("demo-context", "POS-9003", 19.95m, "USD", "card"),
CancellationToken.None);
Assert.True(response.Succeeded);
Assert.Equal("captured", response.Status);
}
private static HttpClient CreateClient(string json)
{
return new HttpClient(new StubHttpMessageHandler(json))
{
BaseAddress = new Uri("http://operations-service:8080/")
};
}
private sealed class StubHttpMessageHandler(string json) : HttpMessageHandler
{
protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
return Task.FromResult(new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new StringContent(json, Encoding.UTF8, "application/json")
});
}
}
private const string SummaryPayload = """
{
"contextId": "demo-context",
"summary": "2 payable checks are waiting for POS capture.",
"openBalance": 37.50,
"currency": "USD",
"recentPayments": [
{
"transactionId": "CHK-1002",
"paymentMethod": "check",
"amount": 25.50,
"currency": "USD",
"status": "awaiting-payment",
"capturedAtUtc": "2026-03-31T13:30:00Z"
},
{
"transactionId": "CHK-1003",
"paymentMethod": "check",
"amount": 12.00,
"currency": "USD",
"status": "partial-payment",
"capturedAtUtc": "2026-03-31T13:42:00Z"
}
]
}
""";
}