fix ifTemplate set

Author: tocsoft

Tocsoft.GraphQLCodeGen.Cli/TemplateEngine.cs

@@ -141,7 +141,7 @@ public TemplateEngine(IEnumerable<string> templates, IDictionary<string, string>
         List<string> registerTemplates = new List<string>();
         private void RegisterTemplate(string templateName, string template)
         {
-            registerTemplates.Add(template);
+            registerTemplates.Add(templateName);
             this.engine.RegisterTemplate(templateName, template);
         }
 

Tocsoft.GraphQLCodeGen.Tests/GithubTemplateError.cs

@@ -32,5 +32,24 @@ public async Task DoesNotErrorRendering()
             var code = generator.GeneratedCode;
             Assert.Empty(logger.ErrorMessages);
         }
+
+        [Fact]
+        public async Task CorrectExceptionTestData()
+        {
+            var logger = new FakeLogger();
+            var settingsLoader = new CodeGeneratorSettingsLoader(logger);
+
+            var paths = "./Files/GithubTemplateError/History.gql";
+
+            var settings = settingsLoader.GenerateSettings(new CodeGeneratorSettingsLoaderDefaults(), new[] { paths });
+
+            var generator = new CodeGenerator(logger, settings.Single());
+
+            await generator.LoadSource();
+            generator.Parse();
+            generator.Render();
+
+            Assert.Contains("public IEnumerable<string> ErrorMessages { get; private set; }", generator.GeneratedCode);
+        }
     }
 }