532 lines
30 KiB
C#
532 lines
30 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
using Newtonsoft.Json.Linq;
|
|
|
|
namespace Creditcall.ChipDna.Client
|
|
{
|
|
internal static class StreamingTests
|
|
{
|
|
private static int Main()
|
|
{
|
|
var tests = new Action[] {
|
|
SharedExecutionReturnsAuthoritativeResultOnce,
|
|
TimeoutDoesNotCancelCompletion,
|
|
StartAndTaskErrorsKeepExceptionBehavior,
|
|
SubscriptionIsRemovedOnSuccessAndException,
|
|
OwnershipAcceptsReferenceLessProgressAndSuppressesPermanently,
|
|
RepeatedReferenceSuppressesProgress,
|
|
NativeMiuraSequenceKeepsFinalAuthoritative,
|
|
NativeMiuraRecoveryCyclesKeepFinalAuthoritative,
|
|
NativeNotificationUsesNotificationKey,
|
|
NativeOwnershipAndRemovalBoundaries,
|
|
PreDispatchFailureReleasesOnlyUnusedReference,
|
|
UnprovenStartFailuresSuppressObservation,
|
|
AsyncErrorSuppressesOnlyActiveObservation,
|
|
TimeoutUnsubscribesAndKeepsFuturePaymentsEnabled,
|
|
QueueCapacityCannotDropFinal,
|
|
ConcurrentCallbacksKeepValidLinesAndOneFinal,
|
|
DisconnectDoesNotInterruptExecution,
|
|
FinalFieldsExcludeSensitiveParameters
|
|
};
|
|
int failed = 0;
|
|
foreach (var test in tests)
|
|
{
|
|
try { test(); Console.WriteLine("PASS " + test.Method.Name); }
|
|
catch (Exception ex) { failed++; Console.WriteLine("FAIL " + test.Method.Name + ": " + ex); }
|
|
}
|
|
Console.WriteLine($"{tests.Length - failed}/{tests.Length} tests passed");
|
|
return failed == 0 ? 0 : 1;
|
|
}
|
|
|
|
private static void Check(bool condition, string message)
|
|
{
|
|
if (!condition) throw new Exception(message);
|
|
}
|
|
|
|
private static EventParameters Native(string key, string value, string reference = null)
|
|
{
|
|
var fields = new Dictionary<string, string>();
|
|
if (key != null) fields[key] = value;
|
|
if (reference != null) fields["REFERENCE"] = reference;
|
|
// SDK event construction is internal; no ClientHelper or terminal is started.
|
|
return (EventParameters)Activator.CreateInstance(typeof(EventParameters),
|
|
BindingFlags.Instance | BindingFlags.NonPublic, null, new object[] { fields }, null);
|
|
}
|
|
|
|
private static void CheckUnsubscribed(TransactionProgressTap tap)
|
|
{
|
|
var listener = typeof(TransactionProgressTap).GetField("listener", BindingFlags.Instance | BindingFlags.NonPublic);
|
|
Check(listener.GetValue(tap) == null, "progress subscription survived execution");
|
|
}
|
|
|
|
private static void SharedExecutionReturnsAuthoritativeResultOnce()
|
|
{
|
|
foreach (var outcome in new[] { "Approved", "Declined", "Cancelled" })
|
|
{
|
|
var expected = new Dictionary<string, string> { { "TRANSACTION_RESULT", outcome }, { "REFERENCE", "existing-ref" } };
|
|
var source = new TaskCompletionSource<Dictionary<string, string>>();
|
|
int starts = 0, suppressions = 0;
|
|
var result = TransactionExecution.Run(() => { starts++; source.SetResult(expected); },
|
|
() => source.Task, () => suppressions++, TimeSpan.FromSeconds(1));
|
|
Check(ReferenceEquals(expected, result) && starts == 1 && suppressions == 0,
|
|
"shared execution changed result or start count for " + outcome);
|
|
}
|
|
}
|
|
|
|
private static void TimeoutDoesNotCancelCompletion()
|
|
{
|
|
var source = new TaskCompletionSource<Dictionary<string, string>>();
|
|
int starts = 0, suppressions = 0;
|
|
var result = TransactionExecution.Run(() => starts++, () => source.Task, () => suppressions++, TimeSpan.Zero);
|
|
Check(result["TRANSACTION_RESULT"] == "TIMEOUT" &&
|
|
result["ERRORS"] == "Transaction timed out waiting for device response", "timeout fields changed");
|
|
Check(starts == 1 && suppressions == 1 && !source.Task.IsCompleted, "timeout cancelled or restarted the transaction");
|
|
source.SetResult(new Dictionary<string, string> { { "TRANSACTION_RESULT", "Approved" } });
|
|
Check(source.Task.Result["TRANSACTION_RESULT"] == "Approved", "late SDK completion was disabled");
|
|
}
|
|
|
|
private static void StartAndTaskErrorsKeepExceptionBehavior()
|
|
{
|
|
int suppressions = 0;
|
|
try
|
|
{
|
|
TransactionExecution.Run(() => { throw new InvalidOperationException("start"); },
|
|
() => Task.FromResult(new Dictionary<string, string>()), () => suppressions++, TimeSpan.Zero);
|
|
throw new Exception("expected original start exception");
|
|
}
|
|
catch (InvalidOperationException) { }
|
|
var fault = new TaskCompletionSource<Dictionary<string, string>>();
|
|
fault.SetException(new IOException("SDK fault"));
|
|
try
|
|
{
|
|
TransactionExecution.Run(() => { }, () => fault.Task, () => suppressions++, TimeSpan.FromSeconds(1));
|
|
throw new Exception("expected original Task.Wait AggregateException");
|
|
}
|
|
catch (AggregateException) { }
|
|
Check(suppressions == 2, "ambiguous exception did not suppress observation");
|
|
}
|
|
|
|
private static void SubscriptionIsRemovedOnSuccessAndException()
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
int first = 0, second = 0;
|
|
tap.Observe((s,v) => first++, () => {
|
|
tap.Begin("first");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "first"));
|
|
tap.End();
|
|
return new Dictionary<string, string>();
|
|
});
|
|
CheckUnsubscribed(tap);
|
|
tap.Begin("after-first");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "after-first"));
|
|
tap.End();
|
|
try
|
|
{
|
|
tap.Observe((s,v) => second++, () => {
|
|
tap.Begin("second");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "second"));
|
|
throw new IOException("test");
|
|
});
|
|
}
|
|
catch (IOException) { }
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "second"));
|
|
Check(first == 1 && second == 1, $"subscriptions leaked: {first}/{second}");
|
|
CheckUnsubscribed(tap);
|
|
}
|
|
|
|
private static void OwnershipAcceptsReferenceLessProgressAndSuppressesPermanently()
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
int callbacks = 0, payments = 0;
|
|
tap.Observe((s,v) => callbacks++, () => {
|
|
payments++; tap.Begin("first");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", null));
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "other"));
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "first"));
|
|
tap.Suppress();
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "first"));
|
|
tap.End();
|
|
return new Dictionary<string, string>();
|
|
});
|
|
tap.Observe((s,v) => callbacks++, () => {
|
|
payments++; tap.Begin("later");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "first"));
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "later"));
|
|
tap.End();
|
|
return new Dictionary<string, string>();
|
|
});
|
|
Check(callbacks == 2 && payments == 2, "active reference-less progress was dropped, suppression leaked, or later payments were disabled");
|
|
}
|
|
|
|
private static void RepeatedReferenceSuppressesProgress()
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
int callbacks = 0;
|
|
tap.Observe((s,v) => callbacks++, () => {
|
|
tap.Begin("same-second-reference");
|
|
tap.End();
|
|
tap.Begin("same-second-reference");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "same-second-reference"));
|
|
return new Dictionary<string, string>();
|
|
});
|
|
Check(callbacks == 0, "reused reference attributed an ambiguous event");
|
|
}
|
|
|
|
private static void NativeMiuraSequenceKeepsFinalAuthoritative()
|
|
{
|
|
foreach (var outcome in new[] { "Approved", "Declined" })
|
|
using (var output = new MemoryStream())
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
var writer = new TransactionStreamWriter(output);
|
|
var expected = new Dictionary<string, string> { { "TRANSACTION_RESULT", outcome }, { "REFERENCE", "miura-ref" } };
|
|
int starts = 0;
|
|
var result = tap.Observe(writer.Progress, () => TransactionExecution.Run(() => {
|
|
starts++;
|
|
tap.Begin("miura-ref");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", "Inserted"));
|
|
foreach (var update in new[] { "TransactionStarted", "PinEntryStarted", "OnlineAuthRequested", "OnlineAuthCompleted" })
|
|
tap.Report("UPDATE", Native("UPDATE", update));
|
|
tap.End(); // TransactionFinished closes observation before final processing.
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRemovalRequested"));
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", "Removed"));
|
|
}, () => Task.FromResult(expected), tap.Suppress, TimeSpan.FromSeconds(1)));
|
|
writer.Complete(new { type = "result", result });
|
|
writer.Deliver();
|
|
var frames = Frames(output);
|
|
var values = frames.Take(frames.Length - 1).Select(f => f["value"].Value<string>());
|
|
Check(values.SequenceEqual(new[] { "CardRequested", "CardRequested", "Inserted", "TransactionStarted", "PinEntryStarted", "OnlineAuthRequested", "OnlineAuthCompleted" }),
|
|
"SDK 3.17 Miura sequence lost or changed normal reference-less progress");
|
|
Check(starts == 1 && ReferenceEquals(result, expected) && frames.Length == 8 &&
|
|
frames.Last()["result"]["TRANSACTION_RESULT"].Value<string>() == outcome,
|
|
"progress changed start count or authoritative " + outcome + " result");
|
|
CheckUnsubscribed(tap);
|
|
}
|
|
}
|
|
|
|
private static void NativeMiuraRecoveryCyclesKeepFinalAuthoritative()
|
|
{
|
|
foreach (var cycles in new[] { 1, 3 })
|
|
foreach (var outcome in new[] { "Approved", "Declined" })
|
|
using (var output = new MemoryStream())
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
var writer = new TransactionStreamWriter(output);
|
|
var expected = new Dictionary<string, string> { { "TRANSACTION_RESULT", outcome } };
|
|
int starts = 0;
|
|
var result = tap.Observe(writer.Progress, () => TransactionExecution.Run(() => {
|
|
starts++;
|
|
tap.Begin("recovery");
|
|
for (int i = 0; i < cycles; i++)
|
|
{
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", "Inserted"));
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRemovalRequested"));
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", "Removed"));
|
|
}
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", "Inserted"));
|
|
foreach (var update in new[] { "TransactionStarted", "PinEntryStarted", "OnlineAuthRequested", "OnlineAuthCompleted" })
|
|
tap.Report("UPDATE", Native("UPDATE", update));
|
|
tap.End();
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRemovalRequested"));
|
|
}, () => Task.FromResult(expected), tap.Suppress, TimeSpan.FromSeconds(1)));
|
|
writer.Complete(new { type = "result", result });
|
|
writer.Deliver();
|
|
var frames = Frames(output);
|
|
var expectedProgress = Enumerable.Range(0, cycles)
|
|
.SelectMany(i => new[] { "UPDATE:CardRequested", "CARD_STATUS:Inserted", "UPDATE:CardRemovalRequested" })
|
|
.Concat(new[] { "UPDATE:CardRequested", "CARD_STATUS:Inserted", "UPDATE:TransactionStarted",
|
|
"UPDATE:PinEntryStarted", "UPDATE:OnlineAuthRequested", "UPDATE:OnlineAuthCompleted" });
|
|
Check(frames.Take(frames.Length - 1).All(f => f["type"].Value<string>() == "status") &&
|
|
frames.Take(frames.Length - 1).Select(f => f["source"] + ":" + f["value"]).SequenceEqual(expectedProgress),
|
|
"Miura recovery prompts were dropped, reordered, deduplicated, or included Removed");
|
|
Check(starts == 1 && ReferenceEquals(result, expected) &&
|
|
frames.Count(f => f["type"].Value<string>() == "result") == 1 &&
|
|
frames.Last()["result"]["TRANSACTION_RESULT"].Value<string>() == outcome,
|
|
"recovery progress changed transaction execution or the authoritative final result");
|
|
CheckUnsubscribed(tap);
|
|
}
|
|
}
|
|
|
|
private static void NativeNotificationUsesNotificationKey()
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
var delivered = new List<string>();
|
|
tap.Observe((source, value) => delivered.Add(source + ":" + value), () => {
|
|
tap.Begin("native-key");
|
|
tap.Report("CARD_STATUS", Native("CARD_STATUS", "Inserted"));
|
|
foreach (var value in new[] { "Inserted", "Tapped", "Swiped" })
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", value));
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", "Removed", "native-key"));
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", "Unknown"));
|
|
tap.Report("UPDATE", Native("PAN", "4761730000001133"));
|
|
tap.Report("UPDATE", null);
|
|
tap.End();
|
|
return new Dictionary<string, string>();
|
|
});
|
|
Check(delivered.SequenceEqual(new[] { "CARD_STATUS:Inserted", "CARD_STATUS:Tapped", "CARD_STATUS:Swiped" }),
|
|
"native NOTIFICATION extraction used CARD_STATUS, exposed card data, or changed the wire source");
|
|
}
|
|
|
|
private static void NativeOwnershipAndRemovalBoundaries()
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
var delivered = new List<string>();
|
|
var removals = new[] { "CardRemovalRequested", "CardRemovalEnforced" };
|
|
tap.Observe((source, value) => delivered.Add(source + ":" + value), () => {
|
|
foreach (var removal in removals)
|
|
foreach (var reference in new[] { null, "", "first", "other" })
|
|
tap.Report("UPDATE", Native("UPDATE", removal, reference));
|
|
tap.Begin("first");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", ""));
|
|
tap.Report("UPDATE", Native("UPDATE", "PinEntryStarted", "other"));
|
|
tap.Report("SIGNATURE", Native(null, null));
|
|
tap.Report("PAUSE", Native("PAUSE_STATE", "PostCardDetails"));
|
|
foreach (var removal in removals)
|
|
foreach (var reference in new[] { null, "", "first", "other" })
|
|
{
|
|
tap.Report("UPDATE", Native("UPDATE", removal, reference));
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", "Removed", reference));
|
|
}
|
|
tap.End();
|
|
foreach (var removal in removals)
|
|
foreach (var reference in new[] { null, "", "first", "other" })
|
|
tap.Report("UPDATE", Native("UPDATE", removal, reference));
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
tap.Begin("next");
|
|
// Accepted best-effort limitation: unidentified progress, including removal,
|
|
// is allowed in this new window even if it came from an older queue.
|
|
foreach (var removal in removals)
|
|
{
|
|
tap.Report("UPDATE", Native("UPDATE", removal));
|
|
tap.Report("UPDATE", Native("UPDATE", removal, "first"));
|
|
}
|
|
tap.Report("CARD_STATUS", Native("NOTIFICATION", "Removed"));
|
|
tap.Report("UPDATE", Native("UPDATE", "PinEntryStarted", "first"));
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
tap.Report("UPDATE", Native("UPDATE", "Approved"));
|
|
tap.End();
|
|
return new Dictionary<string, string>();
|
|
});
|
|
Check(delivered.SequenceEqual(new[] { "UPDATE:CardRequested", "SIGNATURE:Requested", "PAUSE:Paused",
|
|
"UPDATE:CardRemovalRequested", "UPDATE:CardRemovalRequested", "UPDATE:CardRemovalRequested",
|
|
"UPDATE:CardRemovalEnforced", "UPDATE:CardRemovalEnforced", "UPDATE:CardRemovalEnforced",
|
|
"UPDATE:CardRemovalRequested", "UPDATE:CardRemovalEnforced", "UPDATE:CardRequested" }),
|
|
"active-window, explicit-reference, or removal ownership changed");
|
|
}
|
|
|
|
private static void PreDispatchFailureReleasesOnlyUnusedReference()
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
int starts = 0, callbacks = 0;
|
|
foreach (var rejected in new[] { true, false })
|
|
{
|
|
var expected = rejected
|
|
? new Dictionary<string, string> { { "ERRORS", "ClientNotConnectedToServer" }, { "REFERENCE", "same-second" } }
|
|
: new Dictionary<string, string> { { "TRANSACTION_RESULT", "Approved" }, { "REFERENCE", "same-second" } };
|
|
var result = tap.Observe((source, value) => callbacks++, () => TransactionExecution.Run(() => {
|
|
starts++;
|
|
tap.Begin("same-second");
|
|
if (rejected) tap.StartFailed("ClientNotConnectedToServer");
|
|
else tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
if (!rejected) tap.End();
|
|
tap.Report("UPDATE", Native("UPDATE", "PinEntryStarted"));
|
|
}, () => Task.FromResult(expected), tap.Suppress, TimeSpan.FromSeconds(1)));
|
|
Check(ReferenceEquals(result, expected), "pre-dispatch handling changed the financial result");
|
|
CheckUnsubscribed(tap);
|
|
}
|
|
Check(starts == 2 && callbacks == 1, "proven pre-dispatch rejection prevented a safe same-reference retry");
|
|
}
|
|
|
|
private static void UnprovenStartFailuresSuppressObservation()
|
|
{
|
|
foreach (var error in new[] { "AmountTooSmall", "MissingParameter", "NoPinPadsAvailable", "TransactionInProgress",
|
|
"ClientNotConnectedToServer,AmountTooSmall", " ClientNotConnectedToServer", "500005", "Unknown" })
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
int starts = 0, callbacks = 0;
|
|
foreach (var first in new[] { true, false })
|
|
{
|
|
var expected = first ? new Dictionary<string, string> { { "ERRORS", error } }
|
|
: new Dictionary<string, string> { { "TRANSACTION_RESULT", "Approved" } };
|
|
var result = tap.Observe((source, value) => callbacks++, () => TransactionExecution.Run(() => {
|
|
starts++;
|
|
tap.Begin(first ? "failed" : "later");
|
|
if (first) tap.StartFailed(error);
|
|
// A subsequent safe rejection must never clear an existing latch.
|
|
tap.StartFailed("ClientNotConnectedToServer");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
foreach (var removal in new[] { "CardRemovalRequested", "CardRemovalEnforced" })
|
|
{
|
|
tap.Report("UPDATE", Native("UPDATE", removal));
|
|
tap.Report("UPDATE", Native("UPDATE", removal, "later"));
|
|
}
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested", "later"));
|
|
tap.End();
|
|
}, () => Task.FromResult(expected), tap.Suppress, TimeSpan.FromSeconds(1)));
|
|
Check(ReferenceEquals(result, expected), "observational handling changed result for " + error);
|
|
}
|
|
Check(starts == 2 && callbacks == 0, "unproven error recovered progress or disabled payment: " + error);
|
|
}
|
|
}
|
|
|
|
private static void AsyncErrorSuppressesOnlyActiveObservation()
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
int callbacks = 0, starts = 0;
|
|
tap.SuppressIfActive(); // Idle SDK errors have no active transaction to make ambiguous.
|
|
foreach (var reference in new[] { "first", "later" })
|
|
{
|
|
var expected = new Dictionary<string, string> { { "TRANSACTION_RESULT", "Approved" } };
|
|
var result = tap.Observe((source, value) => callbacks++, () => TransactionExecution.Run(() => {
|
|
starts++;
|
|
tap.Begin(reference);
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
tap.SuppressIfActive();
|
|
foreach (var removal in new[] { "CardRemovalRequested", "CardRemovalEnforced" })
|
|
{
|
|
tap.Report("UPDATE", Native("UPDATE", removal));
|
|
tap.Report("UPDATE", Native("UPDATE", removal, reference));
|
|
}
|
|
tap.Report("UPDATE", Native("UPDATE", "PinEntryStarted"));
|
|
tap.End();
|
|
}, () => Task.FromResult(expected), tap.Suppress, TimeSpan.FromSeconds(1)));
|
|
Check(ReferenceEquals(result, expected), "asynchronous SDK error altered financial execution");
|
|
}
|
|
Check(starts == 2 && callbacks == 1, "asynchronous error failed to latch suppression or suppressed while idle");
|
|
}
|
|
|
|
private static void TimeoutUnsubscribesAndKeepsFuturePaymentsEnabled()
|
|
{
|
|
var tap = new TransactionProgressTap();
|
|
var completion = new TaskCompletionSource<Dictionary<string, string>>();
|
|
int starts = 0, callbacks = 0;
|
|
var timeout = tap.Observe((source, value) => callbacks++, () => TransactionExecution.Run(() => {
|
|
starts++;
|
|
tap.Begin("timeout");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
}, () => completion.Task, tap.Suppress, TimeSpan.Zero));
|
|
Check(timeout["TRANSACTION_RESULT"] == "TIMEOUT" && !completion.Task.IsCompleted, "timeout changed financial completion");
|
|
CheckUnsubscribed(tap);
|
|
tap.Report("UPDATE", Native("UPDATE", "PinEntryStarted"));
|
|
completion.SetResult(new Dictionary<string, string> { { "TRANSACTION_RESULT", "Approved" } });
|
|
tap.End();
|
|
var expected = new Dictionary<string, string> { { "TRANSACTION_RESULT", "Declined" } };
|
|
var later = tap.Observe((source, value) => callbacks++, () => TransactionExecution.Run(() => {
|
|
starts++;
|
|
tap.Begin("later");
|
|
tap.Report("UPDATE", Native("UPDATE", "CardRequested"));
|
|
foreach (var removal in new[] { "CardRemovalRequested", "CardRemovalEnforced" })
|
|
{
|
|
tap.Report("UPDATE", Native("UPDATE", removal));
|
|
tap.Report("UPDATE", Native("UPDATE", removal, "later"));
|
|
}
|
|
tap.Report("UPDATE", Native("UPDATE", "PinEntryStarted", "later"));
|
|
tap.End();
|
|
}, () => Task.FromResult(expected), tap.Suppress, TimeSpan.FromSeconds(1)));
|
|
Check(starts == 2 && callbacks == 1 && ReferenceEquals(later, expected), "timeout suppression leaked progress or blocked future payments");
|
|
CheckUnsubscribed(tap);
|
|
}
|
|
|
|
private static JObject[] Frames(MemoryStream stream)
|
|
{
|
|
var text = Encoding.UTF8.GetString(stream.ToArray());
|
|
Check(text.Length == 0 || text[0] != '\uFEFF', "stream contained a BOM");
|
|
return text.Split(new[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries).Select(JObject.Parse).ToArray();
|
|
}
|
|
|
|
private static void QueueCapacityCannotDropFinal()
|
|
{
|
|
using (var output = new MemoryStream())
|
|
{
|
|
var writer = new TransactionStreamWriter(output);
|
|
for (int i = 0; i < 1000; i++) writer.Progress("UPDATE", "CardRequested");
|
|
writer.Complete(new { type = "result", result = new { TRANSACTION_RESULT = "Approved" } });
|
|
writer.Complete(new { type = "error", error = "duplicate" });
|
|
writer.Progress("UPDATE", "PinEntryStarted");
|
|
writer.Deliver();
|
|
writer.Deliver();
|
|
var frames = Frames(output);
|
|
Check(frames.Length == 129 && frames.Last()["type"].Value<string>() == "result", "full queue dropped or duplicated final");
|
|
Check(frames.Take(128).All(f => f["value"].Value<string>() == "CardRequested"), "progress arrived after final");
|
|
}
|
|
}
|
|
|
|
private static void ConcurrentCallbacksKeepValidLinesAndOneFinal()
|
|
{
|
|
using (var output = new MemoryStream())
|
|
{
|
|
var writer = new TransactionStreamWriter(output);
|
|
var delivery = Task.Run(() => writer.Deliver());
|
|
var tap = new TransactionProgressTap();
|
|
tap.Observe(writer.Progress, () => {
|
|
tap.Begin("concurrent");
|
|
Parallel.For(0, 5000, i => tap.Report("UPDATE", Native("UPDATE", "PinEntryStarted")));
|
|
tap.End();
|
|
return new Dictionary<string, string>();
|
|
});
|
|
writer.Complete(new { type = "result", result = new { TRANSACTION_RESULT = "Declined" } });
|
|
Check(delivery.Wait(TimeSpan.FromSeconds(5)), "writer did not finish");
|
|
var frames = Frames(output);
|
|
Check(frames.Count(f => f["type"].Value<string>() == "result") == 1 &&
|
|
frames.Last()["type"].Value<string>() == "result", "concurrent callbacks corrupted terminal framing");
|
|
Check(frames.Where(f => f["type"].Value<string>() == "status").All(f =>
|
|
f["source"].Value<string>() == "UPDATE" && f["value"].Value<string>() == "PinEntryStarted"),
|
|
"concurrent callbacks corrupted status fields");
|
|
}
|
|
}
|
|
|
|
private sealed class DisconnectedStream : MemoryStream
|
|
{
|
|
public override void Write(byte[] buffer, int offset, int count) { throw new IOException("disconnected"); }
|
|
}
|
|
|
|
private static void DisconnectDoesNotInterruptExecution()
|
|
{
|
|
using (var output = new DisconnectedStream())
|
|
{
|
|
var writer = new TransactionStreamWriter(output);
|
|
writer.Progress("UPDATE", "CardRequested");
|
|
writer.Deliver();
|
|
var expected = new Dictionary<string, string> { { "TRANSACTION_RESULT", "Approved" } };
|
|
int starts = 0;
|
|
var result = TransactionExecution.Run(() => starts++, () => Task.FromResult(expected),
|
|
() => { throw new Exception("disconnect suppressed financial execution"); }, TimeSpan.FromSeconds(1));
|
|
writer.Complete(new { type = "result", result });
|
|
writer.Progress("UPDATE", "CardRequested");
|
|
Check(starts == 1 && ReferenceEquals(result, expected), "disconnect changed final transaction result");
|
|
}
|
|
}
|
|
|
|
private static void FinalFieldsExcludeSensitiveParameters()
|
|
{
|
|
var fields = TransactionStreamFields.Required(new Dictionary<string, string> {
|
|
{ "TRANSACTION_RESULT", "Approved" }, { "PAN", "1234567890123456" },
|
|
{ "PAN_MASKED", "1234567890123456" }, { "CVV", "123" }, { "PIN", "1234" },
|
|
{ "TRACK_DATA", "track-secret" }, { "RAW", "raw-secret" }, { "CARD_HASH", "hash" },
|
|
{ "CARD_REFERENCE", "ref" }, { "RECEIPT_DATA_CARDHOLDER", "receipt" }
|
|
});
|
|
Check(!fields.ContainsKey("PAN") && !fields.ContainsKey("CVV") && !fields.ContainsKey("PIN") &&
|
|
!fields.ContainsKey("TRACK_DATA") && !fields.ContainsKey("RAW") && fields["PAN_MASKED"] == "",
|
|
"sensitive fields crossed structured boundary");
|
|
Check(fields["CARD_HASH"] == "hash" && fields["CARD_REFERENCE"] == "ref" && fields["RECEIPT_DATA_CARDHOLDER"] == "receipt", "required final fields were lost");
|
|
Check(TransactionStreamFields.MaskedCardNumber("123456******1234") == "123456******1234" &&
|
|
TransactionStreamFields.MaskedCardNumber("476173******1133") == "476173******1133" &&
|
|
TransactionStreamFields.MaskedCardNumber("************1133") == "************1133" &&
|
|
TransactionStreamFields.MaskedCardNumber("1234567890123456****") == "" &&
|
|
TransactionStreamFields.MaskedCardNumber("34373631373330303030303031313333") == "", "valid masking rejected or encoding/full digits treated as masking");
|
|
Check(!TransactionStreamFields.IsProgress("PAN", "CardRequested") &&
|
|
!TransactionStreamFields.IsProgress("UPDATE", "1234567890123456") &&
|
|
!TransactionStreamFields.IsProgress("CARD_STATUS", "Removed"), "unsafe progress permitted");
|
|
}
|
|
}
|
|
}
|