mongoose#createConnection TypeScript Examples

The following examples show how to use mongoose#createConnection. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: database-connection.providers.spec.ts    From nestjs-rest-sample with GNU General Public License v3.0 6 votes vote down vote up 
describe('DatabaseConnectionProviders', () => {
  let conn: any;

  beforeEach(async () => {
    const module: TestingModule = await Test.createTestingModule({
      imports: [ConfigModule.forFeature(mongodbConfig)],
      providers: [...databaseConnectionProviders],
    }).compile();

    conn = module.get<Connection>(DATABASE_CONNECTION);
  });



  it('DATABASE_CONNECTION should be defined', () => {
    expect(conn).toBeDefined();
  });

  it('connect is called', () => {
    //expect(conn).toBeDefined();
    //expect(createConnection).toHaveBeenCalledTimes(1); // it is 2 here. why?
    expect(createConnection).toHaveBeenCalledWith("mongodb://localhost/blog", {
      // useNewUrlParser: true,
      // useUnifiedTopology: true,
      //see: https://mongoosejs.com/docs/deprecations.html#findandmodify
      // useFindAndModify: false
    });
  })

});
Example #2
Source File: database-connection.providers.ts    From nestjs-rest-sample with GNU General Public License v3.0 6 votes vote down vote up 
databaseConnectionProviders = [
  {
    provide: DATABASE_CONNECTION,
    useFactory: (dbConfig: ConfigType<typeof mongodbConfig>): Connection => {
      const conn = createConnection(dbConfig.uri, {
        //useNewUrlParser: true,
        //useUnifiedTopology: true,
        //see: https://mongoosejs.com/docs/deprecations.html#findandmodify
        //useFindAndModify: false,
      });

      // conn.on('disconnect', () => {
      //   console.log('Disconnecting to MongoDB');
      // });

      return conn;
    },
    inject: [mongodbConfig.KEY],
  },
]
Example #3
Source File: database-connection.providers.spec.ts    From nestjs-rest-sample with GNU General Public License v3.0 5 votes vote down vote up 
jest.mock('mongoose', () => ({
    createConnection: jest.fn().mockImplementation(
      (uri:any, options:any)=>({} as any)
      ),
    Connection: jest.fn()
  }))
Example #4
Source File: tenancy-core.module.ts    From nestjs-tenancy with MIT License 5 votes vote down vote up 
/**
     * Get the connection for the tenant
     *
     * @private
     * @static
     * @param {String} tenantId
     * @param {TenancyModuleOptions} moduleOptions
     * @param {ConnectionMap} connMap
     * @param {ModelDefinitionMap} modelDefMap
     * @returns {Promise<Connection>}
     * @memberof TenancyCoreModule
     */
    private static async getConnection(
        tenantId: string,
        moduleOptions: TenancyModuleOptions,
        connMap: ConnectionMap,
        modelDefMap: ModelDefinitionMap,
    ): Promise<Connection> {
        // Check if validator is set, if so call the `validate` method on it
        if (moduleOptions.validator) {
            await moduleOptions.validator(tenantId).validate();
        }

        // Check if tenantId exist in the connection map
        const exists = connMap.has(tenantId);

        // Return the connection if exist
        if (exists) {
            const connection = connMap.get(tenantId) as Connection;

            if (moduleOptions.forceCreateCollections) {
                // For transactional support the Models/Collections has exist in the
                // tenant database, otherwise it will throw error
                await Promise.all(
                    Object.entries(connection.models).map(([k, m]) => m.createCollection())
                );
            }

            return connection;
        }

        // Otherwise create a new connection
        const uri = await Promise.resolve(moduleOptions.uri(tenantId))
        const connection = createConnection(uri, {
            useNewUrlParser: true,
            useUnifiedTopology: true,
            ...moduleOptions.options(),
        });

        // Attach connection to the models passed in the map
        modelDefMap.forEach(async (definition: any) => {
            const { name, schema, collection } = definition;
            const modelCreated = connection.model(name, schema, collection);

            if (moduleOptions.forceCreateCollections) {
                // For transactional support the Models/Collections has exist in the
                // tenant database, otherwise it will throw error
                await modelCreated.createCollection();
            }
        });

        // Add the new connection to the map
        connMap.set(tenantId, connection);

        return connection;
    }