mongo/jstests/sharding/mongos_no_detect_sharding.js

42 lines
1.1 KiB
JavaScript

// Tests whether new sharding is detected on insert by mongos
import {FixtureHelpers} from "jstests/libs/fixture_helpers.js";
import {ShardingTest} from "jstests/libs/shardingtest.js";
let st = new ShardingTest({name: "mongos_no_detect_sharding", shards: 1, mongos: 2});
let mongos = st.s;
let config = mongos.getDB("config");
print("Creating unsharded connection...");
let mongos2 = st._mongos[1];
let coll = mongos2.getCollection("test.foo");
assert.commandWorked(coll.insert({i: 0}));
print("Sharding collection...");
let admin = mongos.getDB("admin");
assert(!FixtureHelpers.isSharded(coll));
admin.runCommand({enableSharding: "test"});
admin.runCommand({shardCollection: "test.foo", key: {_id: 1}});
print("Seeing if data gets inserted unsharded...");
print("No splits occur here!");
// Insert a bunch of data which should trigger a split
let bulk = coll.initializeUnorderedBulkOp();
for (let i = 0; i < 100; i++) {
bulk.insert({i: i + 1});
}
assert.commandWorked(bulk.execute());
st.printShardingStatus(true);
assert(FixtureHelpers.isSharded(coll));
assert.eq(101, coll.find().itcount());
st.stop();