added pipeline test

src/Tests/BirdsiteLive.Pipeline.Tests/StatusPublicationPipelineTests.cs

@@ -0,0 +1,50 @@
+using System.Threading;
+using System.Threading.Tasks;
+using System.Threading.Tasks.Dataflow;
+using BirdsiteLive.DAL.Models;
+using BirdsiteLive.Pipeline.Contracts;
+using Microsoft.Extensions.Logging;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Moq;
+
+namespace BirdsiteLive.Pipeline.Tests
+{
+    [TestClass]
+    public class StatusPublicationPipelineTests
+    {
+        [TestMethod]
+        public async Task ExecuteAsync_Test()
+        {
+            #region Stubs
+            var ct = new CancellationTokenSource(10);
+            #endregion
+
+            #region Mocks
+            var retrieveTwitterUsersProcessor = new Mock<IRetrieveTwitterUsersProcessor>(MockBehavior.Strict);
+            retrieveTwitterUsersProcessor
+                .Setup(x => x.GetTwitterUsersAsync(
+                    It.IsAny<BufferBlock<SyncTwitterUser[]>>(),
+                    It.IsAny<CancellationToken>()))
+                .Returns(Task.Delay(0));
+
+            var retrieveTweetsProcessor = new Mock<IRetrieveTweetsProcessor>(MockBehavior.Strict);
+            var retrieveFollowersProcessor = new Mock<IRetrieveFollowersProcessor>(MockBehavior.Strict);
+            var sendTweetsToFollowersProcessor = new Mock<ISendTweetsToFollowersProcessor>(MockBehavior.Strict);
+            var saveProgressionProcessor = new Mock<ISaveProgressionProcessor>(MockBehavior.Strict);
+            var logger = new Mock<ILogger<StatusPublicationPipeline>>();
+            #endregion
+
+            var pipeline = new StatusPublicationPipeline(retrieveTweetsProcessor.Object, retrieveTwitterUsersProcessor.Object, retrieveFollowersProcessor.Object, sendTweetsToFollowersProcessor.Object, saveProgressionProcessor.Object, logger.Object);
+            await pipeline.ExecuteAsync(ct.Token);
+
+            #region Validations
+            retrieveTwitterUsersProcessor.VerifyAll();
+            retrieveTweetsProcessor.VerifyAll();
+            retrieveFollowersProcessor.VerifyAll();
+            sendTweetsToFollowersProcessor.VerifyAll();
+            saveProgressionProcessor.VerifyAll();
+            logger.VerifyAll();
+            #endregion
+        }
+    }
+}