SERVER-24070 Make index_delete.js not timing dependent

1 files changed, 8 insertions, 0 deletions

diff --git a/src/mongo/db/catalog/index_create.cpp b/src/mongo/db/catalog/index_create.cpp
index b18e90ac880..72c0bc6a28a 100644
--- a/src/mongo/db/catalog/index_create.cpp
+++ b/src/mongo/db/catalog/index_create.cpp
@@ -62,6 +62,7 @@ using std::string;
 using std::endl;
 
 MONGO_FP_DECLARE(crashAfterStartingIndexBuild);
+MONGO_FP_DECLARE(hangAfterStartingIndexBuild);
 
 /**
  * On rollback sets MultiIndexBlock::_needToCleanup to true.
@@ -311,6 +312,13 @@ Status MultiIndexBlock::insertAllDocumentsInCollection(std::set<RecordId>* dupsO
                 WorkingSetCommon::toStatusString(objToIndex.value()),
             state == PlanExecutor::IS_EOF);
 
+    // Need the index build to hang before the progress meter is marked as finished so we can
+    // reliably check that the index build has actually started in js tests.
+    while (MONGO_FAIL_POINT(hangAfterStartingIndexBuild)) {
+        log() << "Hanging index build due to 'hangAfterStartingIndexBuild' failpoint";
+        sleepmillis(1000);
+    }
+
     progress->finished();
 
     Status ret = doneInserting(dupsOut);