test: global token of a module should be accessible by itself (singleton)

packages/plugins/graphql-modules/test/use-graphql-modules.spec.ts

@@ -1,6 +1,6 @@
 import 'reflect-metadata';
 import { parse } from 'graphql';
-import { Application, createApplication, createModule, Injectable, Scope } from 'graphql-modules';
+import { Application, createApplication, createModule, Injectable, Scope, gql } from 'graphql-modules';
 import { assertSingleExecutionValue, createTestkit } from '@envelop/testing';
 import { useGraphQLModules } from '../src/index.js';
 
@@ -36,10 +36,59 @@ describe('useGraphQLModules', () => {
     });
   });
 
-  it('Should work correctly and init all providers at the right time', async () => {
+  test('Should work correctly and init all providers at the right time', async () => {
     const testInstance = createTestkit([useGraphQLModules(app)]);
     const result = await testInstance.execute(`query { foo }`);
     assertSingleExecutionValue(result);
     expect(result.data?.foo).toBe('testFoo');
   });
+
+  test('Global Token of a module should be accessible by itself (singleton)', async () => {
+    @Injectable({
+      scope: Scope.Singleton,
+      global: true,
+    })
+    class Data {
+      lorem() {
+        return 'ipsum';
+      }
+    }
+
+    @Injectable({
+      scope: Scope.Singleton,
+    })
+    class AppData {
+      constructor(private data: Data) {}
+
+      ipsum() {
+        return this.data.lorem();
+      }
+    }
+
+    const fooModule = createModule({
+      id: 'foo',
+      providers: [Data, AppData],
+      typeDefs: gql`
+        type Query {
+          foo: String!
+        }
+      `,
+      resolvers: {
+        Query: {
+          foo(_parent: {}, _args: {}, { injector }: GraphQLModules.ModuleContext) {
+            return injector.get(AppData).ipsum();
+          },
+        },
+      },
+    });
+
+    const app = createApplication({
+      modules: [fooModule],
+    });
+
+    const testInstance = createTestkit([useGraphQLModules(app)]);
+    const result = await testInstance.execute(`query { foo }`);
+    assertSingleExecutionValue(result);
+    expect(result.data?.foo).toBe('ipsum');
+  });
 });