1 files changed, 51 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Tools.Tests/ProtoCompileCommandLinePrinterTest.cs b/src/csharp/Grpc.Tools.Tests/ProtoCompileCommandLinePrinterTest.cs
new file mode 100644
index 0000000000..1773dcb875
--- /dev/null
+++ b/src/csharp/Grpc.Tools.Tests/ProtoCompileCommandLinePrinterTest.cs
@@ -0,0 +1,51 @@
+#region Copyright notice and license
+
+// Copyright 2018 gRPC authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#endregion
+
+using Microsoft.Build.Framework;
+using Moq;
+using NUnit.Framework;
+
+namespace Grpc.Tools.Tests
+{
+    public class ProtoCompileCommandLinePrinterTest : ProtoCompileBasicTest
+    {
+        [SetUp]
+        public new void SetUp()
+        {
+            _task.Generator = "csharp";
+            _task.OutputDir = "outdir";
+            _task.ProtoBuf = Utils.MakeSimpleItems("a.proto");
+
+            _mockEngine
+              .Setup(me => me.LogMessageEvent(It.IsAny<BuildMessageEventArgs>()))
+              .Callback((BuildMessageEventArgs e) =>
+                  Assert.Fail($"Error logged by build engine:\n{e.Message}"))
+              .Verifiable("Command line was not output by the task.");
+        }
+
+        void ExecuteExpectSuccess()
+        {
+            _mockEngine
+              .Setup(me => me.LogErrorEvent(It.IsAny<BuildErrorEventArgs>()))
+              .Callback((BuildErrorEventArgs e) =>
+                  Assert.Fail($"Error logged by build engine:\n{e.Message}"));
+            bool result = _task.Execute();
+            Assert.IsTrue(result);
+        }
+    };
+}