61 lines
1.5 KiB
JavaScript
61 lines
1.5 KiB
JavaScript
// Tests that an empty shard can't be the cause of a chunk reset
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var st = new ShardingTest({shards: 2, mongos: 2});
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// Don't balance since we're manually moving chunks
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st.stopBalancer();
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var coll = st.s.getCollection(jsTestName() + ".coll");
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for (var i = -10; i < 10; i++)
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coll.insert({_id: i});
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st.shardColl(coll, {_id: 1}, {_id: 0});
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jsTestLog("Sharded setup complete");
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st.printShardingStatus();
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jsTestLog("Setting initial versions for each mongos...");
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coll.find().itcount();
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var collB = st.s1.getCollection("" + coll);
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collB.find().itcount();
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jsTestLog("Migrating via first mongos...");
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var fullShard = st.getShard(coll, {_id: 1});
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var emptyShard = st.getShard(coll, {_id: -1});
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var admin = st.s.getDB("admin");
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assert.soon(
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function() {
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var result = admin.runCommand(
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{moveChunk: "" + coll, find: {_id: -1}, to: fullShard.shardName, _waitForDelete: true});
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jsTestLog('moveChunk result = ' + tojson(result));
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return result.ok;
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},
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"Setup FAILURE: Unable to move chunk from " + emptyShard.shardName + " to " +
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fullShard.shardName);
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jsTestLog("Resetting shard version via first mongos...");
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coll.find().itcount();
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jsTestLog("Making sure we don't insert into the wrong shard...");
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collB.insert({_id: -11});
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var emptyColl = emptyShard.getCollection("" + coll);
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print(emptyColl);
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print(emptyShard);
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print(emptyShard.shardName);
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st.printShardingStatus();
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assert.eq(0, emptyColl.find().itcount());
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jsTestLog("DONE!");
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st.stop();
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