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// Tests the dropping of a sharded database SERVER-3471 SERVER-1726
var st = new ShardingTest({ name : jsTestName() })
st.stopBalancer()
var mongos = st.s0
var config = mongos.getDB( "config" )
var dbA = mongos.getDB( "DropSharded_A" );
var dbB = mongos.getDB( "DropSharded_B" );
var dbC = mongos.getDB( "DropSharded_C" );
print( "1: insert some data and colls into all dbs" )
var numDocs = 3000;
var numColls = 10;
for( var i = 0; i < numDocs; i++ ){
dbA.getCollection( "data" + (i % numColls) ).insert({ _id : i })
dbB.getCollection( "data" + (i % numColls) ).insert({ _id : i })
dbC.getCollection( "data" + (i % numColls) ).insert({ _id : i })
}
print( "2: shard the colls ")
for( var i = 0; i < numColls; i++ ){
var key = { _id : 1 }
st.shardColl( dbA.getCollection( "data" + i ), key )
st.shardColl( dbB.getCollection( "data" + i ), key )
st.shardColl( dbC.getCollection( "data" + i ), key )
}
print( "3: drop the non-suffixed db ")
dbA.dropDatabase()
print( "3: ensure only the non-suffixed db was dropped ")
var dbs = mongos.getDBNames()
for( var i = 0; i < dbs.length; i++ ){
assert.neq( dbs, "" + dbA )
}
assert.eq( 0, config.databases.find({ _id : "" + dbA }).toArray().length )
assert.eq( 1, config.databases.find({ _id : "" + dbB }).toArray().length )
assert.eq( 1, config.databases.find({ _id : "" + dbC }).toArray().length )
// 10 dropped collections
assert.eq( numColls, config.collections.find({ _id : RegExp( "^" + dbA + "\\..*" ), dropped : true }).toArray().length )
// 20 active (dropped is missing)
assert.eq( numColls, config.collections.find({ _id : RegExp( "^" + dbB + "\\..*" ) }).toArray().length )
assert.eq( numColls, config.collections.find({ _id : RegExp( "^" + dbC + "\\..*" ) }).toArray().length )
for( var i = 0; i < numColls; i++ ) {
assert.eq( numDocs / numColls, dbB.getCollection( "data" + (i % numColls) ).find().itcount() );
assert.eq( numDocs / numColls, dbC.getCollection( "data" + (i % numColls) ).find().itcount() );
}
// Finish
st.stop();
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