test: Test for parsing nested imports with interfaces

packages/load/tests/loaders/schema/schema-from-typedefs.spec.ts

@@ -209,7 +209,7 @@ describe('schema from typedefs', () => {
     });
 
     it('should parse nested import types', async () => {
-      const glob = './tests/loaders/schema/test-files/nested-imports/query.graphql';
+      const glob = './tests/loaders/schema/test-files/nested-imports/query-types.graphql';
       const schema = await load(glob, {
         loaders: [new GraphQLFileLoader()],
       });
@@ -219,5 +219,18 @@ describe('schema from typedefs', () => {
       expect(schema.getTypeMap()['Bar']).toBeDefined();
       expect(schema.getTypeMap()['Ham']).toBeDefined();
     });
+
+    it('should parse nested import types with interfaces', async () => {
+      const glob = './tests/loaders/schema/test-files/nested-imports/query-interfaces.graphql';
+      const schema = await load(glob, {
+        loaders: [new GraphQLFileLoader()]
+      });
+
+      expect(schema.getTypeMap()['Query']).toBeDefined();
+      expect(schema.getTypeMap()['Foo']).toBeDefined();
+      expect(schema.getTypeMap()['Cat']).toBeDefined();
+      expect(schema.getTypeMap()['Dog']).toBeDefined();
+      expect(schema.getTypeMap()['Pet']).toBeDefined();
+    });
   });
 });

packages/load/tests/loaders/schema/test-files/nested-imports/interfaces.graphql

@@ -0,0 +1,19 @@
+interface Animal {
+  legs: Int!
+}
+
+type Cat implements Animal {
+  color: String!
+  legs: Int!
+}
+
+type Dog implements Animal {
+  legs: Int!
+  type: String!
+}
+
+union Pet = Cat | Dog
+
+type Foo {
+  pet: Pet
+}

packages/load/tests/loaders/schema/test-files/nested-imports/query-interfaces.graphql

@@ -0,0 +1,5 @@
+# import Foo from './interfaces.graphql'
+
+type Query {
+  foo: Foo
+}