From a7c1f7d012d02c0ecf4c3374d3e1c13219ad1d41 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Thu, 17 Jun 2021 14:18:05 +0200
Subject: [PATCH] add --quiet flag to test runner

---
 packages/taler-wallet-cli/src/index.ts                     | 4 ++++
 .../taler-wallet-cli/src/integrationtests/testrunner.ts    | 7 +++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/packages/taler-wallet-cli/src/index.ts b/packages/taler-wallet-cli/src/index.ts
index 695f5fd63..3949444a1 100644
--- a/packages/taler-wallet-cli/src/index.ts
+++ b/packages/taler-wallet-cli/src/index.ts
@@ -886,11 +886,15 @@ testCli
   .flag("dryRun", ["--dry"], {
     help: "Only print tests that will be selected to run.",
   })
+  .flag("quiet", ["--quiet"], {
+    help: "Produce less output.",
+  })
   .action(async (args) => {
     await runTests({
       includePattern: args.runIntegrationtests.pattern,
       suiteSpec: args.runIntegrationtests.suites,
       dryRun: args.runIntegrationtests.dryRun,
+      verbosity: args.runIntegrationtests.quiet ? 0 : 1,
     });
   });
 
diff --git a/packages/taler-wallet-cli/src/integrationtests/testrunner.ts b/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
index c2bb69c11..a42c79ac7 100644
--- a/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
+++ b/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
@@ -138,6 +138,7 @@ export interface TestRunSpec {
   includePattern?: string;
   suiteSpec?: string;
   dryRun?: boolean;
+  verbosity: number;
 }
 
 export interface TestInfo {
@@ -244,8 +245,10 @@ export async function runTests(spec: TestRunSpec) {
     const harnessLogFilename = path.join(testRootDir, testName, "harness.log");
     const harnessLogStream = fs.createWriteStream(harnessLogFilename);
 
-    currentChild.stderr?.pipe(process.stderr);
-    currentChild.stdout?.pipe(process.stdout);
+    if (spec.verbosity > 0) {
+      currentChild.stderr?.pipe(process.stderr);
+      currentChild.stdout?.pipe(process.stdout);
+    }
 
     currentChild.stdout?.pipe(harnessLogStream);
     currentChild.stderr?.pipe(harnessLogStream);