feat: implement transaction handling and add integration tests for Plaid transaction handlers

2026-03-05 13:58:00 -06:00
parent 0f0ed561c3
commit 66f4046d2e
11 changed files with 298 additions and 37 deletions
@@ -0,0 +1,76 @@
+using Going.Plaid.Transactions;
+
+namespace FiscalOS.Infra.Tests.Unit;
+
+public class PlaidTransactionProcessorTests
+{
+  private readonly Mock<IPlaidAddedTransactionHandler> _mockAddedHandler = new();
+  private readonly Mock<IPlaidModifiedTransactionHandler> _mockModifiedHandler = new();
+  private readonly Mock<IPlaidRemovedTransactionHandler> _mockRemovedHandler = new();
+  private readonly PlaidTransactionProcessor _sut;
+
+  public PlaidTransactionProcessorTests()
+  {
+    _sut = PlaidTransactionProcessor.From(
+      _mockAddedHandler.Object,
+      _mockModifiedHandler.Object,
+      _mockRemovedHandler.Object
+    );
+  }
+
+  [Theory]
+  [InlineData(0, 0, 0, false)]
+  [InlineData(1, 1, 1, true)]
+  [InlineData(0, 1, 1, false)]
+  [InlineData(1, 0, 1, false)]
+  [InlineData(1, 1, 0, false)]
+  public async Task ProcessAsync_WhenCalledAndTransactionsAreHandled_ItShouldReturnCorrectResult(
+    int numAdded,
+    int numModified,
+    int numRemoved,
+    bool expectedResult
+  )
+  {
+    _mockAddedHandler
+      .Setup(
+        static m => m.HandleAsync(
+          It.IsAny<Account>(),
+          It.IsAny<IEnumerable<Going.Plaid.Entity.Transaction>>(),
+          It.IsAny<CancellationToken>()
+        )
+      )
+      .ReturnsAsync(numAdded);
+
+    _mockModifiedHandler
+      .Setup(
+        static m => m.HandleAsync(
+          It.IsAny<Account>(),
+          It.IsAny<IEnumerable<Going.Plaid.Entity.Transaction>>(),
+          It.IsAny<CancellationToken>()
+        )
+      )
+      .ReturnsAsync(numModified);
+
+    _mockRemovedHandler
+      .Setup(
+        static m => m.HandleAsync(
+          It.IsAny<IEnumerable<Going.Plaid.Entity.RemovedTransaction>>(),
+          It.IsAny<CancellationToken>()
+        )
+      )
+      .ReturnsAsync(numRemoved);
+
+    var metadata = PlaidAccountMetadata.From("plaidId", "plaidName");
+    var account = Account.From("name", metadata);
+    var syncResponse = new TransactionsSyncResponse()
+    {
+      Added = [new()],
+      Modified = [new()],
+      Removed = [new()],
+    };
+
+    var result = await _sut.ProcessAsync(account, syncResponse, TestContext.Current.CancellationToken);
+
+    result.Should().Be(expectedResult);
+  }
+}