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// This tests sharding an existing collection that both shards are aware of (SERVER-2828)
(function() {
'use strict';
var st = new ShardingTest({shards: 2, mongos: 2});
assert.commandWorked(st.s0.adminCommand({enablesharding: "test"}));
st.ensurePrimaryShard('test', st.shard1.shardName);
// "test.foo" - sharded (by mongos 0)
assert.commandWorked(st.s0.adminCommand({shardcollection: "test.foo", key: {num: 1}}));
// "test.existing" - unsharded
assert.writeOK(st.s0.getDB('test').existing.insert({_id: 1}));
assert.eq(1, st.s0.getDB('test').existing.count({_id: 1}));
assert.eq(1, st.s1.getDB('test').existing.count({_id: 1}));
// "test.existing" - unsharded to sharded (by mongos 1)
assert.commandWorked(st.s1.adminCommand({shardcollection: "test.existing", key: {_id: 1}}));
assert.commandWorked(st.s1.adminCommand({split: "test.existing", middle: {_id: 5}}));
assert.commandWorked(
st.s1.adminCommand({moveChunk: "test.existing", find: {_id: 1}, to: st.shard0.shardName}));
assert.eq(1, st.s0.getDB('test').existing.count({_id: 1})); // SERVER-2828
assert.eq(1, st.s1.getDB('test').existing.count({_id: 1}));
// Test stats
assert.writeOK(st.s0.getDB('test').existing2.insert({_id: 1}));
assert.eq(1, st.s0.getDB('test').existing2.count({_id: 1}));
assert.eq(1, st.s1.getDB('test').existing2.count({_id: 1}));
assert.commandWorked(st.s1.adminCommand({shardcollection: "test.existing2", key: {_id: 1}}));
assert.eq(true, st.s1.getDB('test').existing2.stats().sharded);
assert.commandWorked(st.s1.adminCommand({split: "test.existing2", middle: {_id: 5}}));
{
var res = st.s0.getDB('test').existing2.stats();
printjson(res);
assert.eq(true, res.sharded); // SERVER-2828
}
// Test admin commands
assert.writeOK(st.s0.getDB('test').existing3.insert({_id: 1}));
assert.eq(1, st.s0.getDB('test').existing3.count({_id: 1}));
assert.eq(1, st.s1.getDB('test').existing3.count({_id: 1}));
assert.writeOK(st.s1.adminCommand({shardcollection: "test.existing3", key: {_id: 1}}));
assert.commandWorked(st.s1.adminCommand({split: "test.existing3", middle: {_id: 5}}));
assert.commandWorked(
st.s0.adminCommand({moveChunk: "test.existing3", find: {_id: 1}, to: st.shard0.shardName}));
st.stop();
})();
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