fix: add unit tests

api/src/helper/lib/__test__/base-nlp-helper.spec.ts

@@ -0,0 +1,206 @@
+/*
+ * 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 { ObjectId } from 'bson';
+
+import { LoggerService } from '@/logger/logger.service';
+import {
+  NlpEntity,
+  NlpEntityDocument,
+  NlpEntityFull,
+} from '@/nlp/schemas/nlp-entity.schema';
+import { NlpSampleFull } from '@/nlp/schemas/nlp-sample.schema';
+import {
+  NlpValue,
+  NlpValueDocument,
+  NlpValueFull,
+} from '@/nlp/schemas/nlp-value.schema';
+import { SettingService } from '@/setting/services/setting.service';
+
+import { HelperService } from '../../helper.service';
+import { HelperName } from '../../types';
+import BaseNlpHelper from '../base-nlp-helper';
+
+// Mock services
+const mockLoggerService = {
+  log: jest.fn(),
+  error: jest.fn(),
+} as unknown as LoggerService;
+
+const mockSettingService = {
+  get: jest.fn(),
+} as unknown as SettingService;
+
+const mockHelperService = {
+  doSomething: jest.fn(),
+} as unknown as HelperService;
+
+// Concrete implementation for testing
+class TestNlpHelper extends BaseNlpHelper {
+  getPath(): string {
+    return __dirname;
+  }
+
+  predict(text: string): Promise<any> {
+    return Promise.resolve({ text });
+  }
+}
+
+describe('BaseNlpHelper', () => {
+  let helper: TestNlpHelper;
+
+  beforeEach(() => {
+    helper = new TestNlpHelper(
+      'test-helper' as HelperName,
+      mockSettingService,
+      mockHelperService,
+      mockLoggerService,
+    );
+  });
+
+  describe('updateEntity', () => {
+    it('should return the updated entity', async () => {
+      const entity: NlpEntity = { name: 'test-entity' } as NlpEntity;
+      const result = await helper.updateEntity(entity);
+      expect(result).toBe(entity);
+    });
+  });
+
+  describe('addEntity', () => {
+    it('should return a new UUID', async () => {
+      const result = await helper.addEntity({} as NlpEntityDocument);
+      expect(result).toMatch(
+        /^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/,
+      );
+    });
+  });
+
+  describe('deleteEntity', () => {
+    it('should return the deleted entity ID', async () => {
+      const entityId = 'entity-id';
+      const result = await helper.deleteEntity(entityId);
+      expect(result).toBe(entityId);
+    });
+  });
+
+  describe('updateValue', () => {
+    it('should return the updated value', async () => {
+      const value: NlpValue = { value: 'test-value' } as NlpValue;
+      const result = await helper.updateValue(value);
+      expect(result).toBe(value);
+    });
+  });
+
+  describe('addValue', () => {
+    it('should return a new UUID', async () => {
+      const result = await helper.addValue({} as NlpValueDocument);
+      expect(result).toMatch(
+        /^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/,
+      );
+    });
+  });
+
+  describe('deleteValue', () => {
+    it('should return the deleted value', async () => {
+      const value: NlpValueFull = { value: 'test-value' } as NlpValueFull;
+      const result = await helper.deleteValue(value);
+      expect(result).toBe(value);
+    });
+  });
+
+  describe('format', () => {
+    it('should format the samples and entities into NLP training data', async () => {
+      const entities: NlpEntityFull[] = [
+        { _id: 'entity1', name: 'intent' },
+        { _id: 'entity2', name: 'test-entity' },
+      ] as unknown as NlpEntityFull[];
+
+      const samples: NlpSampleFull[] = [
+        {
+          text: 'test-text',
+          entities: [
+            { entity: 'entity1', value: 'intent1' },
+            { entity: 'entity2', value: 'value2', start: 0, end: 4 },
+          ],
+          language: { code: 'en' },
+        },
+      ] as unknown as NlpSampleFull[];
+
+      jest.spyOn(NlpEntity, 'getEntityMap').mockReturnValue({
+        entity1: {
+          id: new ObjectId().toString(),
+          name: 'intent',
+          createdAt: new Date(),
+          updatedAt: new Date(),
+        },
+        entity2: {
+          id: new ObjectId().toString(),
+          name: 'test-entity',
+          createdAt: new Date(),
+          updatedAt: new Date(),
+        },
+      });
+      jest.spyOn(NlpValue, 'getValueMap').mockReturnValue({
+        intent1: {
+          id: new ObjectId().toString(),
+          value: 'test-intent',
+          entity: 'entity1', // Add the required entity field
+          createdAt: new Date(),
+          updatedAt: new Date(),
+        },
+        value2: {
+          id: new ObjectId().toString(),
+          value: 'test-value',
+          entity: 'entity2', // Add the required entity field
+          createdAt: new Date(),
+          updatedAt: new Date(),
+        },
+      });
+
+      const result = await helper.format(samples, entities);
+
+      expect(result).toEqual([
+        {
+          text: 'test-text',
+          intent: 'test-intent',
+          entities: [
+            { entity: 'test-entity', value: 'test-value', start: 0, end: 4 },
+            { entity: 'language', value: 'en' },
+          ],
+        },
+      ]);
+    });
+
+    it('should throw an error if intent entity is missing', async () => {
+      const entities: NlpEntityFull[] = [
+        { _id: 'entity2', name: 'test-entity' },
+      ] as unknown as NlpEntityFull[];
+
+      const samples: NlpSampleFull[] = [
+        {
+          text: 'test-text',
+          entities: [{ entity: 'entity2', value: 'value2' }],
+          language: { code: 'en' },
+        },
+      ] as unknown as NlpSampleFull[];
+
+      jest.spyOn(NlpEntity, 'getEntityMap').mockReturnValue({
+        entity2: {
+          id: new ObjectId().toString(),
+          name: 'test-entity',
+          createdAt: new Date(),
+          updatedAt: new Date(),
+        },
+      });
+
+      await expect(helper.format(samples, entities)).rejects.toThrow(
+        'Unable to find the `intent` nlp entity.',
+      );
+    });
+  });
+});

api/src/helper/lib/__test__/settings.ts

@@ -0,0 +1,23 @@
+/*
+ * 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 { HelperSetting } from '@/helper/types';
+import { SettingType } from '@/setting/schemas/types';
+
+export const TEST_HELPER_NAME = 'test-helper';
+
+export const TEST_HELPER_NAMESPACE = 'test_helper';
+
+export default [
+  {
+    group: TEST_HELPER_NAMESPACE,
+    label: 'test',
+    value: 'test',
+    type: SettingType.text,
+  },
+] as const satisfies HelperSetting<typeof TEST_HELPER_NAME>[];