Use "No longer supported" as the default deprecationReason for deprecations without a reason specified

.github/workflows/check-integration

@@ -15,8 +15,6 @@ curl -s --connect-timeout 5 \
     --retry-max-time 40 \
     --retry-connrefused \
     localhost:8080 > /dev/null
-echo "### running integration spec"
-npm run test
 
 
 echo "### validating introspected schema"
@@ -26,3 +24,6 @@ if ! diff <(tail -n +3 src/generated/schema-expected.graphql) <(tail -n +3 src/g
     echo "The expected schema has changed, you need to update schema-expected.graphql with any expected changes"
     exit 1
 fi
+
+echo "### running integration spec"
+npm run test

_examples/chat/server/server.go

@@ -11,14 +11,15 @@ import (
 
 	"github.com/99designs/gqlgen/graphql/playground"
 
-	"github.com/99designs/gqlgen/_examples/chat"
-	"github.com/99designs/gqlgen/graphql/handler"
 	"github.com/gorilla/websocket"
 	"github.com/opentracing/opentracing-go"
 	"github.com/rs/cors"
 	"sourcegraph.com/sourcegraph/appdash"
 	appdashtracer "sourcegraph.com/sourcegraph/appdash/opentracing"
 	"sourcegraph.com/sourcegraph/appdash/traceapp"
+
+	"github.com/99designs/gqlgen/_examples/chat"
+	"github.com/99designs/gqlgen/graphql/handler"
 )
 
 func main() {

graphql/introspection/introspection.go

@@ -74,13 +74,15 @@ func (f *Field) IsDeprecated() bool {
 }
 
 func (f *Field) DeprecationReason() *string {
-	if f.deprecation == nil {
+	if f.deprecation == nil || !f.IsDeprecated() {
 		return nil
 	}
 
 	reason := f.deprecation.Arguments.ForName("reason")
+
 	if reason == nil {
-		return nil
+		defaultReason := "No longer supported"
+		return &defaultReason
 	}
 
 	return &reason.Value.Raw

integration/codegen.ts

@@ -11,6 +11,9 @@ const config: CodegenConfig = {
         'src/generated/schema-fetched.graphql': {
             plugins: ['schema-ast'],
         },
+        'src/generated/schema-introspection.json': {
+            plugins: ['introspection'],
+        }
     },
 };
 

integration/package.json

@@ -9,15 +9,16 @@
     },
     "devDependencies": {
         "@apollo/client": "^3.7.14",
-        "urql": "^4.0.3",
         "@graphql-codegen/cli": "^4.0.0",
         "@graphql-codegen/client-preset": "^4.0.0",
+        "@graphql-codegen/introspection": "^4.0.0",
         "@graphql-codegen/schema-ast": "^4.0.0",
         "graphql": "^16.6.0",
         "graphql-codegen": "^0.4.0",
         "graphql-sse": "^2.1.4",
         "graphql-ws": "^5.13.1",
         "typescript": "^5.0.2",
+        "urql": "^4.0.3",
         "vite": "^4.3.9",
         "vitest": "^0.32.0"
     }

integration/server/remote_api/user.go

@@ -1,6 +1,7 @@
 package remote_api
 
 type User struct {
-	Name  string
-	Likes []string
+	Name        string
+	Likes       []string
+	PhoneNumber string
 }

integration/server/resolver.go

@@ -87,7 +87,7 @@ func (r *queryResolver) Date(ctx context.Context, filter models.DateFilter) (boo
 
 func (r *queryResolver) Viewer(ctx context.Context) (*models.Viewer, error) {
 	return &models.Viewer{
-		User: &remote_api.User{Name: "Bob", Likes: []string{"Alice"}},
+		User: &remote_api.User{Name: "Bob", Likes: []string{"Alice"}, PhoneNumber: "1234567890"},
 	}, nil
 }
 

integration/server/schema/user.graphql

@@ -1,4 +1,5 @@
 type User {
     name: String!
     likes: [String!]!
+    phoneNumber: String @deprecated
 }

integration/src/__test__/integration.spec.ts

@@ -8,6 +8,8 @@ import {Client as ClientSSE, ClientOptions as ClientOptionsSSE, createClient as
 import {CoercionDocument, ComplexityDocument, DateDocument, ErrorDocument, ErrorType, JsonEncodingDocument, PathDocument, UserFragmentFragmentDoc, ViewerDocument} from '../generated/graphql.ts';
 import {cacheExchange, Client, dedupExchange, subscriptionExchange} from 'urql';
 import {isFragmentReady, useFragment} from "../generated";
+import { readFileSync } from 'fs';
+import { join } from 'path';
 
 const uri = process.env.VITE_SERVER_URL || 'http://localhost:8080/query';
 
@@ -225,6 +227,25 @@ describe('HTTP client', () => {
     });
 });
 
+describe('Schema Introspection', () => {
+
+    const schemaJson = readFileSync(join(__dirname, '../generated/schema-introspection.json'), 'utf-8');
+    const schema = JSON.parse(schemaJson);
+
+    it('User.phoneNumber is deprecated and deprecationReason has the default value: `No longer supported`', async () => {
+
+        const userType = schema.__schema.types.find((type: any) => type.name === 'User');
+
+        expect(userType).toBeDefined();
+
+        const phoneNumberField = userType.fields.find((field: any) => field.name === 'phoneNumber');
+        expect(phoneNumberField).toBeDefined();
+
+        expect(phoneNumberField.isDeprecated).toBe(true);
+        expect(phoneNumberField.deprecationReason).toBe('No longer supported');
+    })
+});
+
 describe('Websocket client', () => {
     const client = new ApolloClient({
         link: new GraphQLWsLink(

integration/src/generated/.gitignore

@@ -1 +1,2 @@
 schema-fetched.graphql
+schema-introspection.json

integration/src/generated/gql.ts

@@ -19,7 +19,7 @@ const documents = {
     "query error($type: ErrorType) {\n  error(type: $type)\n}": types.ErrorDocument,
     "query jsonEncoding {\n  jsonEncoding\n}": types.JsonEncodingDocument,
     "query path {\n  path {\n    cc: child {\n      error\n    }\n  }\n}": types.PathDocument,
-    "query viewer {\n  viewer {\n    user {\n      name\n      ...userFragment @defer\n    }\n  }\n}\n\nfragment userFragment on User {\n  likes\n}": types.ViewerDocument,
+    "query viewer {\n  viewer {\n    user {\n      name\n      phoneNumber\n      ...userFragment @defer\n    }\n  }\n}\n\nfragment userFragment on User {\n  likes\n}": types.ViewerDocument,
 };
 
 /**
@@ -63,7 +63,7 @@ export function graphql(source: "query path {\n  path {\n    cc: child {\n
 /**
  * The graphql function is used to parse GraphQL queries into a document that can be used by GraphQL clients.
  */
-export function graphql(source: "query viewer {\n  viewer {\n    user {\n      name\n      ...userFragment @defer\n    }\n  }\n}\n\nfragment userFragment on User {\n  likes\n}"): (typeof documents)["query viewer {\n  viewer {\n    user {\n      name\n      ...userFragment @defer\n    }\n  }\n}\n\nfragment userFragment on User {\n  likes\n}"];
+export function graphql(source: "query viewer {\n  viewer {\n    user {\n      name\n      phoneNumber\n      ...userFragment @defer\n    }\n  }\n}\n\nfragment userFragment on User {\n  likes\n}"): (typeof documents)["query viewer {\n  viewer {\n    user {\n      name\n      phoneNumber\n      ...userFragment @defer\n    }\n  }\n}\n\nfragment userFragment on User {\n  likes\n}"];
 
 export function graphql(source: string) {
   return (documents as any)[source] ?? {};

integration/src/generated/graphql.ts

@@ -91,6 +91,8 @@ export type User = {
   __typename?: 'User';
   likes: Array<Scalars['String']['output']>;
   name: Scalars['String']['output'];
+  /** @deprecated No longer supported */
+  phoneNumber?: Maybe<Scalars['String']['output']>;
 };
 
 export type Viewer = {
@@ -139,7 +141,7 @@ export type PathQuery = { __typename?: 'Query', path?: Array<{ __typename?: 'Ele
 export type ViewerQueryVariables = Exact<{ [key: string]: never; }>;
 
 
-export type ViewerQuery = { __typename?: 'Query', viewer?: { __typename?: 'Viewer', user?: ( { __typename?: 'User', name: string } & (
+export type ViewerQuery = { __typename?: 'Query', viewer?: { __typename?: 'Viewer', user?: ( { __typename?: 'User', name: string, phoneNumber?: string | null } & (
       { __typename?: 'User' }
       & { ' $fragmentRefs'?: { 'UserFragmentFragment': Incremental<UserFragmentFragment> } }
     ) ) | null } | null };
@@ -153,4 +155,4 @@ export const DateDocument = {"kind":"Document","definitions":[{"kind":"Operation
 export const ErrorDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"error"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"type"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"ErrorType"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"error"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"type"},"value":{"kind":"Variable","name":{"kind":"Name","value":"type"}}}]}]}}]} as unknown as DocumentNode<ErrorQuery, ErrorQueryVariables>;
 export const JsonEncodingDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"jsonEncoding"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"jsonEncoding"}}]}}]} as unknown as DocumentNode<JsonEncodingQuery, JsonEncodingQueryVariables>;
 export const PathDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"path"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"path"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","alias":{"kind":"Name","value":"cc"},"name":{"kind":"Name","value":"child"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"error"}}]}}]}}]}}]} as unknown as DocumentNode<PathQuery, PathQueryVariables>;
-export const ViewerDocument = {"__meta__":{"deferredFields":{"userFragment":["likes"]}},"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"viewer"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"viewer"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"user"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"FragmentSpread","name":{"kind":"Name","value":"userFragment"},"directives":[{"kind":"Directive","name":{"kind":"Name","value":"defer"}}]}]}}]}}]}},{"kind":"FragmentDefinition","name":{"kind":"Name","value":"userFragment"},"typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"User"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"likes"}}]}}]} as unknown as DocumentNode<ViewerQuery, ViewerQueryVariables>;
+export const ViewerDocument = {"__meta__":{"deferredFields":{"userFragment":["likes"]}},"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"viewer"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"viewer"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"user"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"phoneNumber"}},{"kind":"FragmentSpread","name":{"kind":"Name","value":"userFragment"},"directives":[{"kind":"Directive","name":{"kind":"Name","value":"defer"}}]}]}}]}}]}},{"kind":"FragmentDefinition","name":{"kind":"Name","value":"userFragment"},"typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"User"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"likes"}}]}}]} as unknown as DocumentNode<ViewerQuery, ViewerQueryVariables>;

integration/src/generated/schema-expected.graphql

@@ -58,6 +58,7 @@ type RemoteModelWithOmitempty {
 type User {
   likes: [String!]!
   name: String!
+  phoneNumber: String @deprecated
 }
 
 type Viewer {

integration/src/queries/viewer.graphql

@@ -2,11 +2,12 @@ query viewer {
     viewer {
         user {
             name
+            phoneNumber
             ... userFragment @defer
         }
     }
 }
 
 fragment userFragment on User {
     likes
-}
+}