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//
// Tests that we can dump collection metadata via getShardVersion()
//
(function() {
'use strict';
var st = new ShardingTest({shards: 2, mongos: 1});
var mongos = st.s0;
var coll = mongos.getCollection("foo.bar");
var admin = mongos.getDB("admin");
var shards = mongos.getCollection("config.shards").find().toArray();
var shardAdmin = st.shard0.getDB("admin");
assert.commandWorked(admin.runCommand({enableSharding: coll.getDB() + ""}));
st.ensurePrimaryShard(coll.getDB() + "", shards[0]._id);
assert.commandWorked(admin.runCommand({shardCollection: coll + "", key: {_id: 1}}));
assert.commandWorked(shardAdmin.runCommand({getShardVersion: coll + ""}));
// Make sure we have chunks information on the shard after the shard collection call
var result = assert.commandWorked(
shardAdmin.runCommand({getShardVersion: coll + "", fullMetadata: true}));
printjson(result);
var metadata = result.metadata;
assert.eq(metadata.chunks.length, 1);
assert.eq(metadata.pending.length, 0);
assert(metadata.chunks[0][0]._id + "" == MinKey + "");
assert(metadata.chunks[0][1]._id + "" == MaxKey + "");
assert(metadata.shardVersion + "" == result.global + "");
// Make sure a collection with no metadata still returns the metadata field
assert(shardAdmin.runCommand({getShardVersion: coll + "xyz", fullMetadata: true}).metadata !=
undefined);
// Make sure we get multiple chunks after a split
assert(admin.runCommand({split: coll + "", middle: {_id: 0}}).ok);
assert(shardAdmin.runCommand({getShardVersion: coll + ""}).ok);
printjson(shardAdmin.runCommand({getShardVersion: coll + "", fullMetadata: true}));
// Make sure we have chunks info
result = shardAdmin.runCommand({getShardVersion: coll + "", fullMetadata: true});
metadata = result.metadata;
assert.eq(metadata.chunks.length, 2);
assert.eq(metadata.pending.length, 0);
assert(metadata.chunks[0][0]._id + "" == MinKey + "");
assert(metadata.chunks[0][1]._id == 0);
assert(metadata.chunks[1][0]._id == 0);
assert(metadata.chunks[1][1]._id + "" == MaxKey + "");
assert(metadata.shardVersion + "" == result.global + "");
st.stop();
})();
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