Refine service reference warnings and errors

src/Mvc/Extensions.ApiDescription.Client/src/Microsoft.Extensions.ApiDescription.Client.csproj

@@ -7,7 +7,7 @@
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <NuspecFile>$(MSBuildProjectName).nuspec</NuspecFile>
     <PackageId>$(MSBuildProjectName)</PackageId>
-    <PackageTags>Build Tasks;MSBuild;Swagger;Open API;code generation; Web API client</PackageTags>
+    <PackageTags>Build Tasks;MSBuild;Swagger;OpenAPI;code generation;Web API client;service reference</PackageTags>
     <IsShippingPackage>true</IsShippingPackage>
     <TargetFrameworks>netstandard2.0;net461</TargetFrameworks>
     <DevelopmentDependency>true</DevelopmentDependency>

src/Mvc/Extensions.ApiDescription.Client/src/build/Microsoft.Extensions.ApiDescription.Client.props

@@ -39,15 +39,15 @@
 
     <!--
       If 'true' (the default), build projects referenced in @(OpenApiProjectReference) items before retrieving that
-      project's Open API documents list (or generating code). If 'false', ensure the referenced projects build before
+      project's OpenAPI documents list (or generating code). If 'false', ensure the referenced projects build before
       this one in the solution or through other means. IDEs may be confused about the project dependency graph in this
       case.
     -->
     <OpenApiBuildReferencedProjects
         Condition="'$(OpenApiBuildReferencedProjects)' == ''">true</OpenApiBuildReferencedProjects>
 
     <!--
-      Default folder to place code generated from Open API documents. Value is interpreted relative to the project
+      Default folder to place code generated from OpenAPI documents. Value is interpreted relative to the project
       folder, unless already an absolute path. Part of the default %(OutputPath) metadata of @(OpenApiReference) and
       @(OpenApiProjectReference) items.
     -->

src/Mvc/Extensions.ApiDescription.Client/src/build/Microsoft.Extensions.ApiDescription.Client.targets

@@ -87,6 +87,8 @@
       Condition="$(OpenApiGenerateCodeAtDesignTime) OR ('$(DesignTimeBuild)' != 'true' AND '$(BuildingProject)' == 'true')"
       Inputs="@(OpenApiReference)"
       Outputs="%(OutputPath)">
+    <Error Condition="!Exists('%(OpenApiReference.FullPath)')" Text="Input OpenAPI file %(Identity) does not exist." />
+
     <MSBuild Projects="$(MSBuildProjectFullPath)"
         BuildInParallel="$(BuildInParallel)"
         Properties="GeneratorTargetPath=%(OpenApiReference.OutputPath);GeneratorTarget=Generate%(CodeGenerator);GeneratorMetadata=%(SerializedMetadata)"

src/Mvc/Extensions.ApiDescription.Server/src/Microsoft.Extensions.ApiDescription.Server.csproj

@@ -10,7 +10,7 @@
     <HasReferenceAssembly>false</HasReferenceAssembly>
     <NuspecFile>$(MSBuildProjectName).nuspec</NuspecFile>
     <PackageId>$(MSBuildProjectName)</PackageId>
-    <PackageTags>MSBuild;Swagger;Open API;code generation;Web API</PackageTags>
+    <PackageTags>MSBuild;Swagger;OpenAPI;code generation;Web API;service reference;document generation</PackageTags>
     <IsShippingPackage>true</IsShippingPackage>
     <DevelopmentDependency>true</DevelopmentDependency>
 

src/Mvc/Extensions.ApiDescription.Server/src/build/Microsoft.Extensions.ApiDescription.Server.props

@@ -5,27 +5,27 @@
   -->
   <PropertyGroup>
     <!--
-      Options added to the Open API document generation tool ('dotnet-getdocument') command line. Available options
+      Options added to the OpenAPI document generation tool ('dotnet-getdocument') command line. Available options
       control console output: 'no-color', 'prefix-output' and 'verbose'. All require a double-dash prefix.
     -->
     <OpenApiGenerateDocumentsOptions Condition=" '$(OpenApiGenerateDocumentsOptions)' == '' " />
 
     <!--
-      If 'true' (the default when targeting .NET Framework or .NET Core 2.1 and later), enable generation of Open API
+      If 'true' (the default when targeting .NET Framework or .NET Core 2.1 and later), enable generation of OpenAPI
       documents. Otherwise, this feature is completely disabled. This controls whether the 'OpenApiGenerateDocuments'
       project capability is visible, enables / disables the 'GenerateOpenApiDocuments' target and provides the
       $(OpenApiGenerateDocumentsOnBuild) default.
     -->
     <OpenApiGenerateDocuments Condition=" '$(OpenApiGenerateDocuments)' == '' " />
 
     <!--
-      If 'true' (the default if $(OpenApiGenerateDocuments) is 'true'), will generate Open API documents after every
+      If 'true' (the default if $(OpenApiGenerateDocuments) is 'true'), will generate OpenAPI documents after every
       build. Set to 'false' when targets are invoked from the command line or tied to another target.
     -->
     <OpenApiGenerateDocumentsOnBuild Condition=" '$(OpenApiGenerateDocumentsOnBuild)' == '' " />
 
     <!--
-      Where to place Open API documents generated from the application. Value is interpreted relative to the project
+      Where to place OpenAPI documents generated from the application. Value is interpreted relative to the project
       folder, unless already an absolute path.
     -->
     <OpenApiDocumentsDirectory

src/Mvc/Extensions.ApiDescription.Server/src/build/Microsoft.Extensions.ApiDescription.Server.targets

@@ -1,38 +1,50 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <Project>
   <PropertyGroup Condition=" '$(OpenApiGenerateDocuments)' == '' ">
+    <OpenApiGenerateDocuments>true</OpenApiGenerateDocuments>
     <OpenApiGenerateDocuments
-        Condition=" '$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND '$(TargetFrameworkVersion.TrimStart(&quot;vV&quot;))' &lt; '2.1' ">false</OpenApiGenerateDocuments>
-    <OpenApiGenerateDocuments Condition=" '$(OpenApiGenerateDocuments)' == '' ">true</OpenApiGenerateDocuments>
+        Condition=" '$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND '$(TargetFrameworkVersion.TrimStart(&quot;vV&quot;))' &lt; '2.1' " />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(OpenApiGenerateDocumentsOnBuild)' == '' ">
+    <OpenApiGenerateDocumentsOnBuild>$(OpenApiGenerateDocuments)</OpenApiGenerateDocumentsOnBuild>
   </PropertyGroup>
   <PropertyGroup>
     <_OpenApiDocumentsCache>$(BaseIntermediateOutputPath)$(MSBuildProjectName).OpenApiFiles.cache</_OpenApiDocumentsCache>
-    <OpenApiGenerateDocumentsOnBuild
-        Condition=" '$(OpenApiGenerateDocumentsOnBuild)' == '' ">$(OpenApiGenerateDocuments)</OpenApiGenerateDocumentsOnBuild>
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(OpenApiGenerateDocuments)' == 'true' ">
     <ProjectCapability Include="OpenApiGenerateDocuments" />
   </ItemGroup>
 
   <Target Name="OpenApiGetDocuments" Returns="@(_OpenApiProjectDocuments)">
-    <Error Text="OpenAPI document generation is disabled. Add '&lt;OpenApiGenerateDocuments>true&lt;/OpenApiGenerateDocuments>' to the project."
-        Condition=" '$(OpenApiGenerateDocuments)' != 'true' " />
+    <!-- E.g. a client project has @(OpenApiProjectReference) item for project that does not support doc generation. -->
+    <Error Condition=" '$(OpenApiGenerateDocuments)' != 'true' "
+        Text="OpenAPI document generation is disabled. Add '&lt;OpenApiGenerateDocuments>true&lt;/OpenApiGenerateDocuments>' to the project." />
+    <!-- E.g. project set $(OpenApiGenerateDocuments) to 'true' but TFM is not supported. -->
+    <Error
+        Condition=" '$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND '$(TargetFrameworkVersion.TrimStart(&quot;vV&quot;))' &lt; '2.1' "
+        Text="OpenAPI document generation is not supported when targeting netcoreapp2.0 or earlier. Disable the feature or move to a later target framework." />
+    <!-- E.g. project set $(OpenApiGenerateDocumentsOnBuild) to 'false' but did not invoke GenerateOpenApiDocuments. -->
+    <Error Condition=" !Exists('$(_OpenApiDocumentsCache)' )"
+        Text="$(_OpenApiDocumentsCache) file does not exist. Add '&lt;OpenApiGenerateDocumentsOnBuild>true&lt;/OpenApiGenerateDocumentsOnBuild>' to the project or call the GenerateOpenApiDocuments target." />
 
     <ReadLinesFromFile File="$(_OpenApiDocumentsCache)">
       <Output TaskParameter="Lines" ItemName="_OpenApiProjectDocuments" />
     </ReadLinesFromFile>
 
-    <Warning Text="Application does not have any registered documents. Update its 'Startup' class to register a document."
-        Condition=" '@(_OpenApiProjectDocuments)' == '' " />
+    <!-- Fallback error in case something slips through the insider's error checking. -->
+    <Error Condition=" '@(_OpenApiProjectDocuments)' == '' "
+        Text="Application does not have any registered documents. Update its 'Startup' class to register a document." />
   </Target>
 
-  <Target Name="GenerateOpenApiDocuments"
-      Condition=" '$(OpenApiGenerateDocuments)' == 'true' "
-      Inputs="$(TargetPath)"
-      Outputs="$(_OpenApiDocumentsCache)">
-    <Error Text="OpenAPI document generation is not supported when targeting netcoreapp2.0 or earlier. Disable the feature or move to a later target framework."
-        Condition=" '$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND '$(TargetFrameworkVersion.TrimStart(&quot;vV&quot;))' &lt; '2.1' " />
+  <Target Name="GenerateOpenApiDocuments" Inputs="$(TargetPath)" Outputs="$(_OpenApiDocumentsCache)">
+    <!-- E.g. project sets $(OpenApiGenerateDocumentsOnBuild) to 'true' but $(OpenApiGenerateDocuments) is 'false'. -->
+    <Error Condition=" '$(OpenApiGenerateDocuments)' != 'true' "
+        Text="OpenAPI document generation is disabled. Add '&lt;OpenApiGenerateDocuments>true&lt;/OpenApiGenerateDocuments>' to the project." />
+    <!-- E.g. project sets $(OpenApiGenerateDocuments) to 'true' but TFM is not supported. -->
+    <Error
+        Condition=" '$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND '$(TargetFrameworkVersion.TrimStart(&quot;vV&quot;))' &lt; '2.1' "
+        Text="OpenAPI document generation is not supported when targeting netcoreapp2.0 or earlier. Disable the feature or move to a later target framework." />
 
     <PropertyGroup>
       <_Command>dotnet "$(MSBuildThisFileDirectory)/../tools/dotnet-getdocument.dll" --assembly "$(TargetPath)"</_Command>
@@ -47,7 +59,7 @@
 
     <Message Importance="high" Text="%0AGenerateOpenApiDocuments:" />
     <Message Importance="high" Text="  $(_Command)" />
-    <Exec Command="$(_Command)" />
+    <Exec Command="$(_Command)" LogStandardErrorAsError="true" />
   </Target>
 
   <!-- Unless this is an inner build or default timing is disabled, tie document retrieval into the build. -->

src/Mvc/Extensions.ApiDescription.Server/src/buildMultiTargeting/Microsoft.Extensions.ApiDescription.Server.targets

@@ -1,9 +1,25 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <Project>
+  <ItemGroup>
+    <_OpenApiGenerateDocumentsTFMs Remove="@(_OpenApiGenerateDocumentsTFMs)" />
+    <_OpenApiGenerateDocumentsTFMs Include="$(TargetFrameworks)" Exclude="netcoreapp1.0;netcoreapp1.1;netcoreapp2.0" />
+  </ItemGroup>
+
   <PropertyGroup>
-    <OpenApiGenerateDocuments Condition=" '$(OpenApiGenerateDocuments)' == '' ">true</OpenApiGenerateDocuments>
+    <!-- Default value may lead to an inner build error if $(OpenApiGenerateDocuments) is explicitly set to 'true'. -->
+    <_OpenApiGenerateDocumentsTFM>$(TargetFrameworks.Trim(';').Split(';')[0])</_OpenApiGenerateDocumentsTFM>
+
+    <!-- Prefer first TFM of those the tool supports. -->
+    <_Temporary>$(@(_OpenApiGenerateDocumentsTFMs).Trim(';'))</_Temporary>
+    <_OpenApiGenerateDocumentsTFM
+        Condition=" '$(_Temporary)' != '' ">$(_Temporary.Split(';')[0])</_OpenApiGenerateDocumentsTFM>
+
+    <OpenApiGenerateDocuments
+        Condition=" '$(OpenApiGenerateDocuments)' == '' AND '$(_Temporary)' != '' ">true</OpenApiGenerateDocuments>
     <OpenApiGenerateDocumentsOnBuild
         Condition=" '$(OpenApiGenerateDocumentsOnBuild)' == '' ">$(OpenApiGenerateDocuments)</OpenApiGenerateDocumentsOnBuild>
+
+    <_Temporary />
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(OpenApiGenerateDocuments)' == 'true' ">
@@ -13,7 +29,7 @@
   <Target Name="GenerateOpenApiDocuments">
     <MSBuild Projects="$(MSBuildProjectFile)"
         Targets="GenerateOpenApiDocuments"
-        Properties="TargetFramework=$(TargetFrameworks.Split(';')[0])"
+        Properties="TargetFramework=$(_OpenApiGenerateDocumentsTFM)"
         RemoveProperties="RuntimeIdentifier" />
   </Target>
 
@@ -23,27 +39,11 @@
       DependsOnTargets="GenerateOpenApiDocuments" />
 
   <Target Name="OpenApiGetDocuments" Returns="@(_OpenApiProjectDocuments)">
-    <ItemGroup>
-      <_Temporary Remove="@(_Temporary)" />
-      <_Temporary Include="$(TargetFrameworks)" Exclude="netcoreapp1.0;netcoreapp1.1;netcoreapp2.0" />
-    </ItemGroup>
-    <PropertyGroup>
-      <_Temporary>@(_Temporary)</_Temporary>
-    </PropertyGroup>
-
     <MSBuild Projects="$(MSBuildProjectFile)"
         Targets="OpenApiGetDocuments"
-        Condition=" '$(_Temporary)' != '' "
-        Properties="TargetFramework=$(_Temporary.Split(';')[0])"
+        Properties="TargetFramework=$(_OpenApiGenerateDocumentsTFM)"
         RemoveProperties="RuntimeIdentifier">
       <Output TaskParameter="TargetOutputs" ItemName="_OpenApiProjectDocuments" />
     </MSBuild>
-
-    <ItemGroup>
-      <_Temporary Remove="@(_Temporary)" />
-    </ItemGroup>
-    <PropertyGroup>
-      <_Temporary />
-    </PropertyGroup>
   </Target>
 </Project>

src/Mvc/GetDocumentInsider/src/Commands/GetDocumentCommandWorker.cs

@@ -137,6 +137,7 @@ private static bool GetDocuments(GetDocumentCommandContext context, IServiceProv
             }
 
             // Write out the documents.
+            var found = false;
             Directory.CreateDirectory(context.OutputDirectory);
             var filePathList = new List<string>();
             foreach (var documentName in documentNames)
@@ -153,14 +154,20 @@ private static bool GetDocuments(GetDocumentCommandContext context, IServiceProv
                 }
 
                 filePathList.Add(filePath);
+                found = true;
             }
 
             // Write out the cache file.
             var stream = File.Create(context.FileListPath);
             using var writer = new StreamWriter(stream);
             writer.WriteLine(string.Join(Environment.NewLine, filePathList));
 
-            return true;
+            if (!found)
+            {
+                Reporter.WriteError(Resources.DocumentsNotFound);
+            }
+
+            return found;
         }
 
         private static string GetDocument(

src/Mvc/GetDocumentInsider/src/Program.cs

@@ -33,15 +33,13 @@ private static int Main(string[] args)
             {
                 if (ex is CommandException || ex is CommandParsingException)
                 {
-                    Reporter.WriteVerbose(ex.ToString());
+                    Reporter.WriteError(ex.Message);
                 }
                 else
                 {
-                    Reporter.WriteInformation(ex.ToString());
+                    Reporter.WriteError(ex.ToString());
                 }
 
-                Reporter.WriteError(ex.Message);
-
                 return 1;
             }
         }

src/Mvc/GetDocumentInsider/src/Reporter.cs

@@ -9,6 +9,9 @@ namespace Microsoft.Extensions.ApiDescription.Tool
 {
     internal static class Reporter
     {
+        private static AnsiTextWriter Error = new AnsiTextWriter(Console.Error);
+        private static AnsiTextWriter Out = new AnsiTextWriter(Console.Out);
+
         public static bool IsVerbose { get; set; }
         public static bool NoColor { get; set; }
         public static bool PrefixOutput { get; set; }
@@ -17,7 +20,7 @@ public static string Colorize(string value, Func<string, string> colorizeFunc)
             => NoColor ? value : colorizeFunc(value);
 
         public static void WriteError(string message)
-            => WriteLine(Prefix("error:   ", Colorize(message, x => Bold + Red + x + Reset)));
+            => WriteLine(Prefix("error:   ", Colorize(message, x => Bold + Red + x + Reset)), isError: true);
 
         public static void WriteWarning(string message)
             => WriteLine(Prefix("warn:    ", Colorize(message, x => Bold + Yellow + x + Reset)));
@@ -32,7 +35,7 @@ public static void WriteVerbose(string message)
         {
             if (IsVerbose)
             {
-                WriteLine(Prefix("verbose: ", Colorize(message, x => Bold + Black + x + Reset)));
+                WriteLine(Prefix("verbose: ", Colorize(message, x => Gray + x + Reset)));
             }
         }
 
@@ -43,15 +46,15 @@ private static string Prefix(string prefix, string value)
                     value.Split(new[] { Environment.NewLine }, StringSplitOptions.None).Select(l => prefix + l))
                 : value;
 
-        private static void WriteLine(string value)
+        private static void WriteLine(string value, bool isError = false)
         {
             if (NoColor)
             {
-                Console.WriteLine(value);
+                (isError ? Console.Error : Console.Out).WriteLine(value);
             }
             else
             {
-                AnsiConsole.WriteLine(value);
+                (isError ? Error : Out).WriteLine(value);
             }
         }
     }

src/Mvc/GetDocumentInsider/src/Resources.resx

@@ -151,7 +151,8 @@
     <value>Method '{0}' not found in type '{1}' with expected signature.</value>
   </data>
   <data name="ServiceNotFound" xml:space="preserve">
-    <value>Unable to find service type '{0}' in dependency injection container.</value>
+    <value>Unable to find service type '{0}' in dependency injection container. Update the 'Startup' class to register a document.</value>
+    <comment>Do not translate 'Startup'</comment>
   </data>
   <data name="MethodReturnedNull" xml:space="preserve">
     <value>Method '{0}' of type '{1}' returned null. Must return a non-null '{2}'.</value>
@@ -186,4 +187,8 @@
   <data name="ServiceProviderNotFound" xml:space="preserve">
     <value>Unable to resolve a non-null '{0}' implementation using method '{1}', '{2}' or '{3}' of type '{4}'.</value>
   </data>
+  <data name="DocumentsNotFound" xml:space="preserve">
+    <value>Unable to find any registered documents. Update the 'Startup' class to register a document.</value>
+    <comment>Do not translate 'Startup'</comment>
+  </data>
 </root>