default params provider tests

src/modules/geography/tests/unit/infrastructure/default-param.provider.spec.ts

@@ -0,0 +1,48 @@
+import { DefaultParams } from '@modules/geography/core/application/types/default-params.type';
+import { DefaultParamsProvider } from '@modules/geography/infrastructure/default-params-provider';
+import { ConfigService } from '@nestjs/config';
+import { Test, TestingModule } from '@nestjs/testing';
+
+const mockConfigService = {
+  get: jest.fn().mockImplementation((value: string) => {
+    switch (value) {
+      case 'GEOROUTER_TYPE':
+        return 'graphhopper';
+      case 'GEOROUTER_URL':
+        return 'http://localhost:8989';
+      default:
+        return 'some_default_value';
+    }
+  }),
+};
+
+describe('DefaultParamsProvider', () => {
+  let defaultParamsProvider: DefaultParamsProvider;
+
+  beforeAll(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      imports: [],
+      providers: [
+        DefaultParamsProvider,
+        {
+          provide: ConfigService,
+          useValue: mockConfigService,
+        },
+      ],
+    }).compile();
+
+    defaultParamsProvider = module.get<DefaultParamsProvider>(
+      DefaultParamsProvider,
+    );
+  });
+
+  it('should be defined', () => {
+    expect(defaultParamsProvider).toBeDefined();
+  });
+
+  it('should provide default params', async () => {
+    const params: DefaultParams = defaultParamsProvider.getParams();
+    expect(params.GEOROUTER_TYPE).toBe('graphhopper');
+    expect(params.GEOROUTER_URL).toBe('http://localhost:8989');
+  });
+});