wip: fix errors & tidy test

tests/SmiServices.IntegrationTests/Microservices/DicomAnonymiser/DicomAnonymiserHostTests.cs

@@ -10,7 +10,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.IO.Abstractions;
 using System.Linq;
 using System.Threading;
 
@@ -19,34 +18,10 @@ namespace SmiServices.IntegrationTests.Microservices.DicomAnonymiser;
 [RequiresRabbit]
 public class DicomAnonymiserHostTests
 {
-    #region Fixture Methods
-
-    // Private fields (_tempTestDir, _dicomRoot, _fakeDicom) that 
-    // are used in the setup and teardown of each test.
     private DirectoryInfo _tempTestDir = null!;
     private DirectoryInfo _dicomRoot = null!;
     private string _fakeDicom = null!;
 
-
-    // [OneTimeSetUp] and [OneTimeTearDown] methods are run once 
-    // before and after all the tests in the class, respectively. 
-    // In this case, the setup method is used to set up a logger.
-    [OneTimeSetUp]
-    public void OneTimeSetUp()
-    {
-    }
-
-    [OneTimeTearDown]
-    public void OneTimeTearDown() { }
-
-    #endregion
-
-    #region Test Methods
-
-    // [SetUp] and [TearDown] methods are run before and after each 
-    // test, respectively. In this case, the setup method creates a 
-    // temporary directory and a fake DICOM file, and the teardown 
-    // method deletes the temporary directory.
     [SetUp]
     public void SetUp()
     {
@@ -64,33 +39,15 @@ public void TearDown()
         _tempTestDir.Delete(recursive: true);
     }
 
-    #endregion
-
-    #region Tests
-
-    // The Integration_HappyPath_MockAnonymiser method is a test case
-    // structured in the Arrange-Act-Assert pattern. It tests for the 
-    // scenario where the DICOM Anonymiser successfully anonymises a 
-    // DICOM file.
     [Test]
     public void Integration_HappyPath_MockAnonymiser()
     {
-        // Arrange
-        // It sets up the necessary objects and state for the test. This
-        // includes creating a mock DICOM Anonymiser, setting file paths,
-        // and creating a DicomAnonymiserHost.
-
         GlobalOptions globals = new GlobalOptionsFactory().Load(nameof(Integration_HappyPath_MockAnonymiser));
         globals.FileSystemOptions!.FileSystemRoot = _dicomRoot.FullName;
 
         var extractRoot = Directory.CreateDirectory(Path.Combine(_tempTestDir.FullName, "extractRoot"));
         globals.FileSystemOptions.ExtractRoot = extractRoot.FullName;
 
-        // NOTE: The commented out code below is an alternative way to create
-        // a fake DICOM file, however, it is not used in this test.
-        // File.Create(_fakeDicom).Dispose();
-        // File.SetAttributes(_fakeDicom, File.GetAttributes(_fakeDicom) | FileAttributes.ReadOnly);
-
         var dicomFile = new DicomFile();
         dicomFile.Dataset.Add(DicomTag.PatientID, "12345678");
         dicomFile.Dataset.Add(DicomTag.Modality, "CT");
@@ -122,18 +79,14 @@ public void Integration_HappyPath_MockAnonymiser()
             OutputPath = "foo-an.dcm",
         };
 
-        // The test uses the Moq library to create a mock implementation of 
-        // the IDicomAnonymiser interface. This allows the test to control the
-        // behavior of the DICOM Anonymiser and verify that it is called with
-        // the correct arguments.
         var mockAnonymiser = new Mock<IDicomAnonymiser>(MockBehavior.Strict);
         mockAnonymiser
             .Setup(
                 x => x.Anonymise(
-                    It.Is<ExtractFileMessage>(x => x.ExtractionJobIdentifier == testExtractFileMessage.ExtractionJobIdentifier),
-                    It.Is<IFileInfo>(x => x.FullName == _fakeDicom),
-                    It.Is<IFileInfo>(x => x.FullName == Path.Combine(extractDirAbs.FullName, "foo-an.dcm")),
-                    out It.Ref<string>.IsAny
+                        It.Is<FileInfo>(x => x.Name == _fakeDicom),
+                        It.Is<FileInfo>(x => x.Name == Path.Combine(extractDirAbs.FullName, "foo-an.dcm")),
+                        It.IsAny<string>(),
+                        out It.Ref<string?>.IsAny
                 )
             )
             .Callback(() => File.Create(expectedAnonPathAbs).Dispose())
@@ -145,24 +98,18 @@ out It.Ref<string>.IsAny
 
         List<ExtractedFileStatusMessage> statusMessages = [];
 
-        using (
-            var tester = new MicroserviceTester(
+            using var tester = new MicroserviceTester(
                 globals.RabbitOptions!,
                 globals.DicomAnonymiserOptions.AnonFileConsumerOptions!
-            )
-        )
-        {
+            );
+
             tester.CreateExchange(statusExchange, successQueue, isSecondaryBinding: false, routingKey: "verify");
             tester.CreateExchange(statusExchange, failureQueue, isSecondaryBinding: true, routingKey: "noverify");
 
             tester.SendMessage(globals.DicomAnonymiserOptions.AnonFileConsumerOptions!, new MessageHeader(), testExtractFileMessage);
 
             var host = new DicomAnonymiserHost(globals, mockAnonymiser.Object);
 
-            // Act
-            // It starts the DicomAnonymiserHost and waits for it to process 
-            //a message.
-
             host.Start();
 
             var timeoutSecs = 10;
@@ -178,12 +125,7 @@ out It.Ref<string>.IsAny
             }
 
             host.Stop("Test end");
-        }
-
-        // Assert
-        // It checks that the expected outcome has occurred. In this case, it 
-        // checks that the status message indicates that the file was anonymised
-        // and that the anonymised file exists.
+            tester.Dispose();
 
         var statusMessage = statusMessages.Single();
         Assert.Multiple(() =>
@@ -192,6 +134,4 @@ out It.Ref<string>.IsAny
             Assert.That(File.Exists(expectedAnonPathAbs), Is.True);
         });
     }
-
-    #endregion
 }