SERVER-41247 ReplSetTests that specify setParameter as a string must still disable periodic noop writer

1 files changed, 10 insertions, 0 deletions

diff --git a/src/mongo/shell/replsettest.js b/src/mongo/shell/replsettest.js
index ffa2ba9875c..31729b95d64 100644
--- a/src/mongo/shell/replsettest.js
+++ b/src/mongo/shell/replsettest.js
@@ -2277,7 +2277,17 @@ var ReplSetTest = function(opts) {
 
         // Turn off periodic noop writes for replica sets by default.
         options.setParameter = options.setParameter || {};
+        if (typeof(options.setParameter) === "string") {
+            var eqIdx = options.setParameter.indexOf("=");
+            if (eqIdx != -1) {
+                var param = options.setParameter.substring(0, eqIdx);
+                var value = options.setParameter.substring(eqIdx + 1);
+                options.setParameter = {};
+                options.setParameter[param] = value;
+            }
+        }
         options.setParameter.writePeriodicNoops = options.setParameter.writePeriodicNoops || false;
+
         options.setParameter.numInitialSyncAttempts =
             options.setParameter.numInitialSyncAttempts || 1;
         // We raise the number of initial sync connect attempts for tests that disallow chaining.