Testing harness.

No need to import modules dynamically, in order to
provide the euFin implementation of the BankServiceInterface.

packages/taler-wallet-cli/src/harness/harness.ts

@@ -607,29 +607,9 @@ export namespace BankApi {
   }
 }
 
-/**
+export class BankService implements BankServiceInterface {
- * Method explained here:
- * https://github.com/microsoft/TypeScript/issues/2552
- */
-module BankServices {
-  export class PybankService implements BankServiceInterface {
   proc: ProcessWrapper | undefined;
 
-    static fromExistingConfig(gc: GlobalTestState): BankService {
-      const cfgFilename = gc.testDir + "/bank.conf";
-      console.log("reading bank config from", cfgFilename);
-      const config = Configuration.load(cfgFilename);
-      const bc: BankConfig = {
-        allowRegistrations: config
-          .getYesNo("bank", "allow_registrations")
-          .required(),
-        currency: config.getString("taler", "currency").required(),
-        database: config.getString("bank", "database").required(),
-        httpPort: config.getNumber("bank", "http_port").required(),
-      };
-      return new BankService(gc, bc, cfgFilename);
-    }
-  
   static async create(
     gc: GlobalTestState,
     bc: BankConfig,
@@ -723,10 +703,18 @@ module BankServices {
     const url = `http://localhost:${this.bankConfig.httpPort}/config`;
     await pingProc(this.proc, url, "bank");
   }
-  }
 }
-import BankService = BankServices.PybankService;
+
-export { BankService };
+/**
+ * euFin migration:
+ *
+ * if (process.env.WALLET_HARNESS_WITH_EUFIN) {
+ *   BankService.prototype = {
+ *     // methods from euFin ..
+ *   };
+ * } 
+ *
+ */
 
 export class FakeBankService {
   proc: ProcessWrapper | undefined;

packages/taler-wallet-cli/src/harness/helpers.ts

@@ -63,7 +63,7 @@ export interface SimpleTestEnvironment {
 }
 
 export function getRandomIban(countryCode: string): string {
-  return `${countryCode}715001051796${Math.floor(Math.random() * 1000000)}`;
+  return `${countryCode}715001051796${(Math.random().toString().substring(2, 8))}`
 }
 
 export function getRandomString(): string {