Test to make sure #675 is really fixed

Author: JakeGinnivan

src/GitVersionExe.Tests/GitVersionExe.Tests.csproj

@@ -114,6 +114,7 @@
     <Compile Include="ExecutionResults.cs" />
     <Compile Include="GitVersionHelper.cs" />
     <Compile Include="HelpWriterTests.cs" />
+    <Compile Include="JsonOutputOnBuildServer.cs" />
     <Compile Include="MsBuildProjectArgTest.cs" />
     <Compile Include="PullRequestInTeamCityTest.cs" />
     <Compile Include="AssemblyInfoFileUpdateTests.cs" />

src/GitVersionExe.Tests/GitVersionHelper.cs

@@ -20,15 +20,13 @@ public static ExecutionResults ExecuteIn(string workingDirectory,
         return ExecuteIn(args);
     }
 
-
     public static ExecutionResults ExecuteIn(string workingDirectory, string arguments, bool isTeamCity = false, bool logToFile = true)
     {
         var logFile = logToFile ? Path.Combine(workingDirectory, "log.txt") : null;
         var args = new ArgumentBuilder(workingDirectory, arguments, isTeamCity, logFile);
         return ExecuteIn(args);
     }
 
-
     static ExecutionResults ExecuteIn(ArgumentBuilder arguments)
     {
         var gitHubFlowVersion = Path.Combine(PathHelper.GetCurrentDirectory(), "GitVersion.exe");

src/GitVersionExe.Tests/JsonOutputOnBuildServer.cs

@@ -0,0 +1,25 @@
+namespace GitVersionExe.Tests
+{
+    using GitVersion;
+    using NUnit.Framework;
+    using Shouldly;
+
+    public class JsonOutputOnBuildServer
+    {
+        [Test]
+        public void BeingOnBuildServerDoesntOverrideOutputJson()
+        {
+            using (var fixture = new RemoteRepositoryFixture(new Config()))
+            {
+                fixture.Repository.MakeATaggedCommit("1.2.3");
+                fixture.Repository.MakeACommit();
+                
+                var result = GitVersionHelper.ExecuteIn(fixture.LocalRepositoryFixture.RepositoryPath, arguments: " /output json", isTeamCity: true);
+
+                result.ExitCode.ShouldBe(0);
+                result.Output.ShouldStartWith("{");
+                result.Output.TrimEnd().ShouldEndWith("}");
+            }
+        }
+    }
+}