edits

src/HotChocolate/Fusion/test/Composition.Tests/TagTests.cs

@@ -98,4 +98,27 @@ public async Task Exclude_Type_System_Members_With_Internal_Tag()
             .FormatAsString(fusionConfig)
             .MatchSnapshot(extension: ".graphql");
     }
+
+    [Fact]
+    public async Task Exclude_Type_System_Members_With_Internal_Tag_Which_Is_Private()
+    {
+        // arrange
+        using var demoProject = await DemoProject.CreateAsync();
+
+        var composer = new FusionGraphComposer(logFactory: _logFactory);
+
+        var fusionConfig = await composer.ComposeAsync(
+            new[]
+            {
+                demoProject.Accounts.ToConfiguration(AccountsExtensionWithTagSdl),
+                demoProject.Reviews.ToConfiguration(ReviewsExtensionWithTagSdl),
+            },
+            new FusionFeatureCollection(FusionFeatures.TagDirective(
+                makeTagsPublic: false, 
+                exclude: new[] {"internal"})));
+
+        SchemaFormatter
+            .FormatAsString(fusionConfig)
+            .MatchSnapshot(extension: ".graphql");
+    }
 }

src/HotChocolate/Fusion/test/Composition.Tests/__snapshots__/TagTests.Exclude_Type_System_Members_With_Internal_Tag_Which_Is_Private.graphql

@@ -0,0 +1,148 @@
+schema
+  @fusion(version: 1)
+  @transport(subgraph: "Accounts", location: "http:\/\/localhost:5000\/graphql", kind: "HTTP")
+  @transport(subgraph: "Accounts", location: "ws:\/\/localhost:5000\/graphql", kind: "WebSocket")
+  @transport(subgraph: "Reviews", location: "http:\/\/localhost:5000\/graphql", kind: "HTTP")
+  @transport(subgraph: "Reviews", location: "ws:\/\/localhost:5000\/graphql", kind: "WebSocket") {
+  query: Query
+  mutation: Mutation
+  subscription: Subscription
+}
+
+type Query {
+  productById(id: ID!): Product
+    @variable(subgraph: "Reviews", name: "id", argument: "id")
+    @resolver(subgraph: "Reviews", select: "{ productById(id: $id) }", arguments: [ { name: "id", type: "ID!" } ])
+  reviewById(id: ID!): Review
+    @variable(subgraph: "Reviews", name: "id", argument: "id")
+    @resolver(subgraph: "Reviews", select: "{ reviewById(id: $id) }", arguments: [ { name: "id", type: "ID!" } ])
+  reviewOrAuthor: ReviewOrAuthor!
+    @resolver(subgraph: "Reviews", select: "{ reviewOrAuthor }")
+  reviews: [Review!]!
+    @resolver(subgraph: "Reviews", select: "{ reviews }")
+  someTypeById(id: ID!): SomeType!
+    @variable(subgraph: "Accounts", name: "id", argument: "id")
+    @resolver(subgraph: "Accounts", select: "{ someTypeById(id: $id) }", arguments: [ { name: "id", type: "ID!" } ])
+  userById(id: ID!): User
+    @variable(subgraph: "Accounts", name: "id", argument: "id")
+    @resolver(subgraph: "Accounts", select: "{ userById(id: $id) }", arguments: [ { name: "id", type: "ID!" } ])
+    @variable(subgraph: "Reviews", name: "id", argument: "id")
+    @resolver(subgraph: "Reviews", select: "{ authorById(id: $id) }", arguments: [ { name: "id", type: "ID!" } ])
+  users: [User!]!
+    @resolver(subgraph: "Accounts", select: "{ users }")
+  usersById(ids: [ID!]!): [User!]!
+    @variable(subgraph: "Accounts", name: "ids", argument: "ids")
+    @resolver(subgraph: "Accounts", select: "{ usersById(ids: $ids) }", arguments: [ { name: "ids", type: "[ID!]!" } ])
+  viewer: Viewer!
+    @resolver(subgraph: "Accounts", select: "{ viewer }")
+}
+
+type Mutation {
+  addReview(input: AddReviewInput!): AddReviewPayload!
+    @variable(subgraph: "Reviews", name: "input", argument: "input")
+    @resolver(subgraph: "Reviews", select: "{ addReview(input: $input) }", arguments: [ { name: "input", type: "AddReviewInput!" } ])
+  addUser(input: AddUserInput!): AddUserPayload!
+    @variable(subgraph: "Accounts", name: "input", argument: "input")
+    @resolver(subgraph: "Accounts", select: "{ addUser(input: $input) }", arguments: [ { name: "input", type: "AddUserInput!" } ])
+}
+
+type Subscription {
+  onNewReview: Review!
+    @resolver(subgraph: "Reviews", select: "{ onNewReview }", kind: "SUBSCRIBE")
+}
+
+type AddReviewPayload {
+  review: Review
+    @source(subgraph: "Reviews")
+}
+
+type AddUserPayload {
+  user: User
+    @source(subgraph: "Accounts")
+}
+
+type Product
+  @variable(subgraph: "Reviews", name: "Product_id", select: "id")
+  @resolver(subgraph: "Reviews", select: "{ productById(id: $Product_id) }", arguments: [ { name: "Product_id", type: "ID!" } ]) {
+  id: ID!
+    @source(subgraph: "Reviews")
+  reviews: [Review!]!
+    @source(subgraph: "Reviews")
+}
+
+type Review implements Node
+  @variable(subgraph: "Reviews", name: "Review_id", select: "id")
+  @resolver(subgraph: "Reviews", select: "{ reviewById(id: $Review_id) }", arguments: [ { name: "Review_id", type: "ID!" } ])
+  @resolver(subgraph: "Reviews", select: "{ nodes(ids: $Review_id) { ... on Review { ... Review } } }", arguments: [ { name: "Review_id", type: "[ID!]!" } ], kind: "BATCH") {
+  author: User!
+    @source(subgraph: "Reviews")
+  body: String!
+    @source(subgraph: "Reviews")
+  id: ID!
+    @source(subgraph: "Reviews")
+  product: Product!
+    @source(subgraph: "Reviews")
+}
+
+type SomeData {
+  accountValue: String!
+    @source(subgraph: "Accounts")
+}
+
+type SomeType
+  @variable(subgraph: "Accounts", name: "SomeType_id", select: "id")
+  @resolver(subgraph: "Accounts", select: "{ someTypeById(id: $SomeType_id) }", arguments: [ { name: "SomeType_id", type: "ID!" } ]) {
+  id: ID!
+    @source(subgraph: "Accounts")
+}
+
+type User implements Node
+  @source(subgraph: "Reviews", name: "Author")
+  @variable(subgraph: "Accounts", name: "User_id", select: "id")
+  @variable(subgraph: "Reviews", name: "User_id", select: "id")
+  @resolver(subgraph: "Accounts", select: "{ userById(id: $User_id) }", arguments: [ { name: "User_id", type: "ID!" } ])
+  @resolver(subgraph: "Accounts", select: "{ usersById(ids: $User_id) }", arguments: [ { name: "User_id", type: "[ID!]!" } ], kind: "BATCH")
+  @resolver(subgraph: "Reviews", select: "{ authorById(id: $User_id) }", arguments: [ { name: "User_id", type: "ID!" } ])
+  @resolver(subgraph: "Reviews", select: "{ nodes(ids: $User_id) { ... on User { ... User } } }", arguments: [ { name: "User_id", type: "[ID!]!" } ], kind: "BATCH") {
+  birthdate: Date!
+    @source(subgraph: "Accounts")
+  id: ID!
+    @source(subgraph: "Accounts")
+    @source(subgraph: "Reviews")
+  name: String!
+    @source(subgraph: "Accounts")
+    @source(subgraph: "Reviews")
+  reviews: [Review!]!
+    @source(subgraph: "Reviews")
+  username: String!
+    @source(subgraph: "Accounts")
+}
+
+type Viewer {
+  data: SomeData!
+    @source(subgraph: "Accounts")
+  user: User
+    @source(subgraph: "Accounts")
+}
+
+"The node interface is implemented by entities that have a global unique identifier."
+interface Node {
+  id: ID!
+}
+
+union ReviewOrAuthor = User | Review
+
+input AddReviewInput {
+  authorId: Int!
+  body: String!
+  upc: Int!
+}
+
+input AddUserInput {
+  birthdate: Date!
+  name: String!
+  username: String!
+}
+
+"The `Date` scalar represents an ISO-8601 compliant date type."
+scalar Date