From 70d37e4ed30e69c4b3ba2d31a50fd61d82b91252 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Wed, 5 Oct 2022 15:45:10 +0200
Subject: integration tests: test crypto worker

We test instantiations of both crypto workers that are available for
node.
---
 .../taler-wallet-core/src/crypto/workers/cryptoDispatcher.ts     | 7 ++++++-
 packages/taler-wallet-core/src/headless/helpers.ts               | 9 +++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

(limited to 'packages/taler-wallet-core')

diff --git a/packages/taler-wallet-core/src/crypto/workers/cryptoDispatcher.ts b/packages/taler-wallet-core/src/crypto/workers/cryptoDispatcher.ts
index 85f9acddc..1c0d509e6 100644
--- a/packages/taler-wallet-core/src/crypto/workers/cryptoDispatcher.ts
+++ b/packages/taler-wallet-core/src/crypto/workers/cryptoDispatcher.ts
@@ -15,7 +15,8 @@
  */
 
 /**
- * API to access the Taler crypto worker thread.
+ * API to access the Taler crypto worker.
+ *
  * @author Florian Dold
  */
 
@@ -76,6 +77,10 @@ interface WorkItem {
  */
 const NUM_PRIO = 5;
 
+/**
+ * A crypto worker factory is responsible for creating new
+ * crypto workers on-demand.
+ */
 export interface CryptoWorkerFactory {
   /**
    * Start a new worker.
diff --git a/packages/taler-wallet-core/src/headless/helpers.ts b/packages/taler-wallet-core/src/headless/helpers.ts
index 63967d4ad..2be9be9a1 100644
--- a/packages/taler-wallet-core/src/headless/helpers.ts
+++ b/packages/taler-wallet-core/src/headless/helpers.ts
@@ -61,6 +61,8 @@ export interface DefaultNodeWalletArgs {
    * of the default one.
    */
   httpLib?: HttpRequestLibrary;
+
+  cryptoWorkerType?: "sync" | "node-worker-thread";
 }
 
 /**
@@ -160,10 +162,11 @@ export async function getDefaultNodeWallet2(
   const myDb = await openTalerDatabase(myIdbFactory, myVersionChange);
 
   let workerFactory;
-  if (process.env["TALER_WALLET_SYNC_CRYPTO"]) {
+  const cryptoWorkerType = args.cryptoWorkerType ?? "node-worker-thread";
+  if (cryptoWorkerType === "sync") {
     logger.info("using synchronous crypto worker");
     workerFactory = new SynchronousCryptoWorkerFactory();
-  } else {
+  } else if (cryptoWorkerType === "node-worker-thread") {
     try {
       // Try if we have worker threads available, fails in older node versions.
       const _r = "require";
@@ -177,6 +180,8 @@ export async function getDefaultNodeWallet2(
       );
       workerFactory = new SynchronousCryptoWorkerFactory();
     }
+  } else {
+    throw Error(`unsupported crypto worker type '${cryptoWorkerType}'`);
   }
 
   const timer = new SetTimeoutTimerAPI();
-- 
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