harness: capture createdb/dropdb logs

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

@@ -63,7 +63,6 @@ import * as http from "http";
 import * as path from "path";
 import * as readline from "readline";
 import { URL } from "url";
-import * as util from "util";
 import { CoinConfig } from "./denomStructures.js";
 import { LibeufinNexusApi, LibeufinSandboxApi } from "./libeufin-apis.js";
 import {
@@ -78,8 +77,6 @@ import {
   TippingReserveStatus,
 } from "./merchantApiTypes.js";
 
-const exec = util.promisify(child_process.exec);
-
 const axios = axiosImp.default;
 
 export async function delayMs(ms: number): Promise<void> {
@@ -390,10 +387,14 @@ export interface DbInfo {
   dbname: string;
 }
 
-export async function setupDb(gc: GlobalTestState): Promise<DbInfo> {
+export async function setupDb(t: GlobalTestState): Promise<DbInfo> {
   const dbname = "taler-integrationtest";
-  await exec(`dropdb "${dbname}" || true`);
-  await exec(`createdb "${dbname}"`);
+  try {
+    await runCommand(t, "dropdb", "dropdb", [dbname]);
+  } catch (e: any) {
+    logger.warn(`dropdb failed: ${e.toString()}`);
+  }
+  await runCommand(t, "createdb", "createdb", [dbname]);
   return {
     connStr: `postgres:///${dbname}`,
     dbname,
@@ -1236,7 +1237,7 @@ export class ExchangeService implements ExchangeServiceInterface {
             // Wire fee
             `${this.exchangeConfig.currency}:0.01`,
             // Closing fee
-            `${this.exchangeConfig.currency}:0.01`, 
+            `${this.exchangeConfig.currency}:0.01`,
             "upload",
           ],
         );
@@ -1631,7 +1632,12 @@ export class MerchantService implements MerchantServiceInterface {
   }
 
   async start(): Promise<void> {
-    await exec(`taler-merchant-dbinit -c "${this.configFilename}"`);
+    await runCommand(
+      this.globalState,
+      "merchant-dbinit",
+      "taler-merchant-dbinit",
+      ["-c", this.configFilename],
+    );
 
     this.proc = this.globalState.spawnService(
       "taler-merchant-httpd",