// should check that election happens in priority order doTest = function( signal ) { var replTest = new ReplSetTest( {name: 'testSet', nodes: 3} ); var nodes = replTest.nodeList(); replTest.startSet(); replTest.initiate({"_id" : "testSet", "members" : [ {"_id" : 0, "host" : nodes[0], "priority" : 1}, {"_id" : 1, "host" : nodes[1], "priority" : 2}, {"_id" : 2, "host" : nodes[2], "priority" : 3}]}); // 2 should be master (give this a while to happen, as 0 will be elected, then demoted) assert.soon(function() { var m2 = replTest.nodes[2].getDB("admin").runCommand({ismaster:1}); return m2.ismaster; }, 'highest priority is master', 120000); // kill 2, 1 should take over replTest.stop(2); // do some writes on 1 master = replTest.getMaster(); for (i=0; i<1000; i++) { master.getDB("foo").bar.insert({i:i}); } sleep(10000); for (i=0; i<1000; i++) { master.getDB("bar").baz.insert({i:i}); } var m1 = replTest.nodes[1].getDB("admin").runCommand({ismaster:1}) assert(m1.ismaster, 'node 2 is master'); // bring 2 back up, 2 should wait until caught up and then become master replTest.restart(2); assert.soon(function() { try { m2 = replTest.nodes[2].getDB("admin").runCommand({ismaster:1}) return m2.ismaster; } catch (e) { print(e); } return false; }, 'node 2 is master again', 60000); // make sure nothing was rolled back master = replTest.getMaster(); for (i=0; i<1000; i++) { assert(master.getDB("foo").bar.findOne({i:i}) != null, 'checking '+i); assert(master.getDB("bar").baz.findOne({i:i}) != null, 'checking '+i); } } doTest( 15 );