Move Location of Experiments Call to CD Internal (#720)

* moved location of call to experiments to CD internal

* updated tests

* updated to call finishasync in CD

* updated

* update documentation

* updated

* Update DetectorProcessingServiceTests.cs

* syntax

* updated tests

* updated

* updated

* updated

* updated

* updated

* updated

* updated

* updated

* added test

* added tests

* updated tests

* updated tests

* Update DetectorProcessingService.cs

---------

Co-authored-by: Amitla Vannikumar <avannikumar@microsoft.com>

src/Microsoft.ComponentDetection.Orchestrator/Experiments/DetectorExperiments.cs

@@ -7,6 +7,11 @@ using System;
 /// </summary>
 public static class DetectorExperiments
 {
+    /// <summary>
+    /// Check to automatically proccess experiments.
+    /// </summary>
+    public static bool AutomaticallyProcessExperiments { get; set; } = true;
+
     /// <summary>
     /// Manually enables detector experiments.
     /// </summary>

src/Microsoft.ComponentDetection.Orchestrator/Experiments/ExperimentService.cs

@@ -116,6 +116,11 @@ public class ExperimentService : IExperimentService
             return;
         }
 
+        if (!DetectorExperiments.AutomaticallyProcessExperiments)
+        {
+            return;
+        }
+
         foreach (var (config, experiment) in this.experiments)
         {
             var controlComponents = experiment.ControlGroupComponents;

test/Microsoft.ComponentDetection.Orchestrator.Tests/Experiments/ExperimentServiceTests.cs

@@ -55,7 +55,11 @@ public class ExperimentServiceTests
     }
 
     [TestInitialize]
-    public void EnableDetectorExperiments() => DetectorExperiments.Enable = true;
+    public void TestInitialize()
+    {
+        DetectorExperiments.Enable = true;
+        DetectorExperiments.AutomaticallyProcessExperiments = true;
+    }
 
     [TestMethod]
     public void RecordDetectorRun_AddsComponentsToControlAndExperimentGroup()
@@ -195,6 +199,48 @@ public class ExperimentServiceTests
             Times.Never());
     }
 
+    [TestMethod]
+    public async Task FinishAsync_AutomaticallyProcessesExperimentsAsync()
+    {
+        var components = ExperimentTestUtils.CreateRandomComponents();
+        this.SetupGraphMock(components);
+
+        var service = new ExperimentService(
+            new[] { this.experimentConfigMock.Object },
+            new[] { this.experimentProcessorMock.Object },
+            this.graphTranslationServiceMock.Object,
+            this.loggerMock.Object);
+        service.RecordDetectorRun(this.detectorMock.Object, this.componentRecorder, this.detectionArgsMock.Object);
+
+        await service.FinishAsync();
+
+        this.experimentProcessorMock.Verify(
+            x => x.ProcessExperimentAsync(this.experimentConfigMock.Object, It.IsAny<ExperimentDiff>()),
+            Times.Once());
+    }
+
+    [TestMethod]
+    public async Task FinishAsync_DoesNotAutomaticallyProcessExperimentsAsync()
+    {
+        DetectorExperiments.AutomaticallyProcessExperiments = false;
+
+        var components = ExperimentTestUtils.CreateRandomComponents();
+        this.SetupGraphMock(components);
+
+        var service = new ExperimentService(
+            new[] { this.experimentConfigMock.Object },
+            new[] { this.experimentProcessorMock.Object },
+            this.graphTranslationServiceMock.Object,
+            this.loggerMock.Object);
+        service.RecordDetectorRun(this.detectorMock.Object, this.componentRecorder, this.detectionArgsMock.Object);
+
+        await service.FinishAsync();
+
+        this.experimentProcessorMock.Verify(
+            x => x.ProcessExperimentAsync(this.experimentConfigMock.Object, It.IsAny<ExperimentDiff>()),
+            Times.Never());
+    }
+
     [TestMethod]
     public async Task FinishAsync_Respects_DetectorExperiments_EnableAsync()
     {