SERVER-45377 add global option to enable and disable shell hang analyzer

1 files changed, 32 insertions, 9 deletions

diff --git a/jstests/resmoke_selftest/shell_hang_analyzer.js b/jstests/resmoke_selftest/shell_hang_analyzer.js
index db8e02b53e9..bea1c5714a3 100644
--- a/jstests/resmoke_selftest/shell_hang_analyzer.js
+++ b/jstests/resmoke_selftest/shell_hang_analyzer.js
@@ -1,4 +1,14 @@
 'use strict';
+(function() {
+
+const anyLineMatches = function(lines, rex) {
+    for (const line of lines) {
+        if (line.match(rex)) {
+            return true;
+        }
+    }
+    return false;
+};
 
 (function() {
 
@@ -8,21 +18,19 @@
 
 const child = MongoRunner.runMongod();
 try {
-    MongoRunner.runHangAnalyzer([child.pid]);
+    clearRawMongoProgramOutput();
 
-    const anyLineMatches = function(lines, rex) {
-        for (const line of lines) {
-            if (line.match(rex)) {
-                return true;
-            }
-        }
-        return false;
-    };
+    // drive-by test for enable(). Separate test for disable() below.
+    MongoRunner.runHangAnalyzer.disable();
+    MongoRunner.runHangAnalyzer.enable();
+
+    MongoRunner.runHangAnalyzer([child.pid]);
 
     assert.soon(() => {
         const lines = rawMongoProgramOutput().split('\n');
         return anyLineMatches(lines, /Dumping core/);
     });
+
 } finally {
     MongoRunner.stopMongod(child);
 }
@@ -39,3 +47,18 @@ assert(typeof TestData.peerPids !== 'undefined');
 // ShardedClusterFixture 2 shards with 3 rs members per shard, 2 mongos's => 7 peers
 assert.eq(7, TestData.peerPids.length);
 })();
+
+(function() {
+/*
+ * Test MongoRunner.runHangAnalzyzer.disable()
+ */
+clearRawMongoProgramOutput();
+
+MongoRunner.runHangAnalyzer.disable();
+MongoRunner.runHangAnalyzer([20200125]);
+
+const lines = rawMongoProgramOutput().split('\n');
+// Nothing should be executed, so there's no output.
+assert.eq(lines, ['']);
+})();
+})();