SERVER-26742 Increase verbosity during testshard1.js

1 files changed, 19 insertions, 2 deletions

diff --git a/jstests/aggregation/testshard1.js b/jstests/aggregation/testshard1.js
index 2f5cbd39d04..1dfc74725ca 100644
--- a/jstests/aggregation/testshard1.js
+++ b/jstests/aggregation/testshard1.js
@@ -17,8 +17,17 @@ function aggregateNoOrder(coll, pipeline) {
 }
 
 jsTestLog("Creating sharded cluster");
-var shardedAggTest =
-    new ShardingTest({shards: 2, mongos: 1, other: {chunkSize: 1, enableBalancer: true}});
+var shardedAggTest = new ShardingTest({
+    shards: 2,
+    mongos: 1,
+    other: {
+        chunkSize: 1,
+        enableBalancer: true,
+        mongosOptions: {verbose: ''},
+        shardOptions: {verbose: ''},
+        configOptions: {verbose: ''},
+    }
+});
 
 jsTestLog("Setting up sharded cluster");
 shardedAggTest.adminCommand({enablesharding: "aggShard"});
@@ -193,6 +202,7 @@ testAvgStdDev();
 
 function testSample() {
     jsTestLog('testing $sample');
+    shardedAggTest.printCollectionInfo(db.ts1.getFullName());
     [0, 1, 10, nItems, nItems + 1].forEach(function(size) {
         var res = db.ts1.aggregate([{$sample: {size: size}}]).toArray();
         assert.eq(res.length, Math.min(nItems, size));
@@ -200,6 +210,13 @@ function testSample() {
 }
 testSample();
 
+// SERVER-26742 Attempt to reproduce an incorrect number of results being returned.
+testSample();
+testSample();
+testSample();
+testSample();
+testSample();
+
 jsTestLog('test $out by copying source collection verbatim to output');
 var outCollection = db.ts1_out;
 var res = aggregateOrdered(db.ts1, [{$out: outCollection.getName()}]);