From 0eeb9396ff46269c2181e5d4aeab629863d875d4 Mon Sep 17 00:00:00 2001
From: Bernard Gorman <bernard.gorman@gmail.com>
Date: Tue, 17 Jan 2017 20:47:21 +0000
Subject: SERVER-27438 Prevent mongos from dropping legacy $comment
 meta-operator

Closes #1135

Signed-off-by: James Wahlin <james.wahlin@10gen.com>
---
 jstests/libs/profiler.js | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'jstests/libs/profiler.js')

diff --git a/jstests/libs/profiler.js b/jstests/libs/profiler.js
index b7c4a3f89e7..c0fc210c928 100644
--- a/jstests/libs/profiler.js
+++ b/jstests/libs/profiler.js
@@ -14,4 +14,13 @@ function getProfilerProtocolStringForCommand(conn) {
     }
 
     return "op_command";
+}
+
+// Throws an assertion if the profiler does not contain exactly one entry matching <filter>.
+// Optional arguments <errorMsgFilter> and <errorMsgProj> limit profiler output if this asserts.
+function profilerHasSingleMatchingEntryOrThrow(inputDb, filter, errorMsgFilter, errorMsgProj) {
+    assert.eq(inputDb.system.profile.find(filter).itcount(),
+              1,
+              "Expected exactly one op matching: " + tojson(filter) + " in profiler " +
+                  tojson(inputDb.system.profile.find(errorMsgFilter, errorMsgProj).toArray()));
 }
\ No newline at end of file
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