jstests/sharding/disable_autosplit.js


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// Tests disabling of autosplit from mongos
(function() {
'use strict';

var chunkSize = 1; // In MB

var st = new ShardingTest({ shards: 1,
                            mongos: 1,
                            other: { chunksize: chunkSize,
                                     mongosOptions: { noAutoSplit: "" } } });

var data = "x";
while(data.length < chunkSize * 1024 * 1024) {
    data += data;
}

var mongos = st.s0;
var admin = mongos.getDB("admin");
var config = mongos.getDB("config");
var coll = mongos.getCollection("foo.bar");

assert.commandWorked(admin.runCommand({ enableSharding: coll.getDB() + "" }));
assert.commandWorked(admin.runCommand({ shardCollection: coll + "", key: { _id: 1 } }));

for(var i = 0; i < 20; i++) {
    coll.insert({ data: data });
}

// Make sure we haven't split
assert.eq(1, config.chunks.find({ ns: coll + "" }).count());

st.stop();

})();