From 7a18e12a175856b3d17d2bb70ec549004c281ff5 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Fri, 30 Jun 2023 23:01:48 +0200
Subject: wallet-core: towards event-based waiting in runIntegrationTestV2

---
 .../taler-wallet-core/src/operations/testing.ts    | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'packages/taler-wallet-core/src/operations/testing.ts')

diff --git a/packages/taler-wallet-core/src/operations/testing.ts b/packages/taler-wallet-core/src/operations/testing.ts
index 77e218cd7..2a3584a0a 100644
--- a/packages/taler-wallet-core/src/operations/testing.ts
+++ b/packages/taler-wallet-core/src/operations/testing.ts
@@ -27,6 +27,8 @@ import {
   NotificationType,
   stringToBytes,
   TestPayResult,
+  TransactionMajorState,
+  TransactionMinorState,
   WithdrawTestBalanceRequest,
 } from "@gnu-taler/taler-util";
 import {
@@ -66,6 +68,7 @@ import {
 } from "./pay-peer-push-credit.js";
 import { initiatePeerPushDebit } from "./pay-peer-push-debit.js";
 import { OpenedPromise, openPromise } from "../index.js";
+import { getTransactionById } from "./transactions.js";
 
 const logger = new Logger("operations/testing.ts");
 
@@ -459,10 +462,45 @@ async function waitUntilDone(ws: InternalWalletState): Promise<void> {
   });
 }
 
+async function waitUntilPendingReady(
+  ws: InternalWalletState,
+  transactionId: string,
+): Promise<void> {
+  logger.info(`starting waiting for ${transactionId} to be in pending(ready)`);
+  ws.ensureTaskLoopRunning();
+  let p: OpenedPromise<void> | undefined = undefined;
+  ws.addNotificationListener((notif) => {
+    if (!p) {
+      return;
+    }
+    if (notif.type === NotificationType.TransactionStateTransition) {
+      p.resolve();
+    }
+  });
+  while (1) {
+    p = openPromise();
+    const tx = await getTransactionById(ws, {
+      transactionId,
+    });
+    if (
+      tx.txState.major == TransactionMajorState.Pending &&
+      tx.txState.minor === TransactionMinorState.Ready
+    ) {
+      break;
+    }
+    // Wait until transaction state changed
+    await p.promise;
+  }
+  logger.info(`done waiting for ${transactionId} to be in pending(ready)`);
+  // FIXME: Remove listener!
+}
+
 export async function runIntegrationTest2(
   ws: InternalWalletState,
   args: IntegrationTestV2Args,
 ): Promise<void> {
+  // FIXME: Make sure that a task look is running, since we're
+  // waiting for notifications.
   logger.info("running test with arguments", args);
 
   const exchangeInfo = await updateExchangeFromUrl(ws, args.exchangeBaseUrl);
@@ -565,6 +603,8 @@ export async function runIntegrationTest2(
     },
   });
 
+  await waitUntilPendingReady(ws, peerPushInit.transactionId);
+
   const peerPushCredit = await preparePeerPushCredit(ws, {
     talerUri: peerPushInit.talerUri,
   });
@@ -586,6 +626,8 @@ export async function runIntegrationTest2(
     },
   });
 
+  await waitUntilPendingReady(ws, peerPullInit.transactionId);
+
   const peerPullInc = await preparePeerPullDebit(ws, {
     talerUri: peerPullInit.talerUri,
   });
@@ -594,6 +636,8 @@ export async function runIntegrationTest2(
     peerPullPaymentIncomingId: peerPullInc.peerPullPaymentIncomingId,
   });
 
+  await ws.runUntilDone();
+
   logger.trace("integration test: all done!");
 }
 
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