feat: add unit tests global provider config

api/src/utils/generics/base-repository.spec.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -7,7 +7,6 @@
  */
 
 import { getModelToken } from '@nestjs/mongoose';
-import { Test, TestingModule } from '@nestjs/testing';
 import { Model, Types } from 'mongoose';
 
 import { DummyRepository } from '@/utils/test/dummy/repositories/dummy.repository';
@@ -15,6 +14,7 @@ import { closeInMongodConnection } from '@/utils/test/test';
 
 import { DummyModule } from '../test/dummy/dummy.module';
 import { Dummy } from '../test/dummy/schemas/dummy.schema';
+import { buildTestingMocks } from '../test/utils';
 
 describe('BaseRepository', () => {
   let dummyModel: Model<Dummy>;
@@ -22,11 +22,13 @@ describe('BaseRepository', () => {
   let createdId: string;
 
   beforeAll(async () => {
-    const module: TestingModule = await Test.createTestingModule({
+    const { getMocks } = await buildTestingMocks({
       imports: [DummyModule],
-    }).compile();
-    dummyModel = module.get<Model<Dummy>>(getModelToken(Dummy.name));
-    dummyRepository = module.get<DummyRepository>(DummyRepository);
+    });
+    [dummyRepository, dummyModel] = await getMocks([
+      DummyRepository,
+      getModelToken(Dummy.name),
+    ]);
   });
   afterEach(jest.clearAllMocks);
   afterAll(closeInMongodConnection);

api/src/utils/generics/base-service.spec.ts

@@ -6,13 +6,12 @@
  * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
  */
 
-import { Test, TestingModule } from '@nestjs/testing';
-
 import { DummyService } from '@/utils/test/dummy/services/dummy.service';
 import { closeInMongodConnection } from '@/utils/test/test';
 
 import { DummyModule } from '../test/dummy/dummy.module';
 import { DummyRepository } from '../test/dummy/repositories/dummy.repository';
+import { buildTestingMocks } from '../test/utils';
 
 describe('BaseService', () => {
   let dummyRepository: DummyRepository;
@@ -30,11 +29,13 @@ describe('BaseService', () => {
   };
 
   beforeAll(async () => {
-    const module: TestingModule = await Test.createTestingModule({
+    const { getMocks } = await buildTestingMocks({
       imports: [DummyModule],
-    }).compile();
-    dummyRepository = module.get<DummyRepository>(DummyRepository);
-    dummyService = module.get<DummyService>(DummyService);
+    });
+    [dummyRepository, dummyService] = await getMocks([
+      DummyRepository,
+      DummyService,
+    ]);
   });
   afterEach(jest.clearAllMocks);
   afterAll(closeInMongodConnection);

api/src/utils/test/utils.ts

@@ -0,0 +1,53 @@
+/*
+ * Copyright © 2025 Hexastack. All rights reserved.
+ *
+ * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
+ * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
+ * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
+ */
+
+import { ModuleMetadata } from '@nestjs/common';
+import { EventEmitter2 } from '@nestjs/event-emitter';
+import { Test, TestingModule } from '@nestjs/testing';
+
+import { LoggerService } from '@/logger/logger.service';
+
+type TTypeOrToken = [
+  new (...args: any[]) => any,
+  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+  // @ts-expect-error
+  ...(new (...args: any[]) => any[]),
+];
+const findInstances = async <T extends TTypeOrToken>(
+  type: keyof TestingModule,
+  module: TestingModule,
+  typesOrTokens: T,
+): Promise<{ [K in keyof T]: InstanceType<T[K]> }> =>
+  Promise.all(
+    typesOrTokens.map((typeOrToken) =>
+      module[type.toString()]<InstanceType<typeof typeOrToken>>(typeOrToken),
+    ),
+  );
+
+const extractInstances =
+  (type: keyof TestingModule, module: TestingModule) =>
+  async <T extends TTypeOrToken>(types: T) =>
+    await findInstances(type, module, types);
+
+export const buildTestingMocks = async ({
+  providers,
+  ...rest
+}: ModuleMetadata) => {
+  const module = await Test.createTestingModule({
+    ...rest,
+    ...(providers && {
+      providers: [LoggerService, EventEmitter2, ...providers],
+    }),
+  }).compile();
+
+  return {
+    module,
+    getMocks: extractInstances('get', module),
+    resolveMocks: extractInstances('resolve', module),
+  };
+};