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// shard2.js
/**
* test basic sharding
*/
placeCheck = function( num ){
print("shard2 step: " + num );
}
s = new ShardingTest( "shard2" , 2 , 5 );
db = s.getDB( "test" );
s.adminCommand( { partition : "test" } );
s.adminCommand( { shard : "test.foo" , key : { num : 1 } } );
assert.eq( 1 , s.config.shard.count() , "sanity check 1" );
s.adminCommand( { split : "test.foo" , middle : { num : 0 } } );
assert.eq( 2 , s.config.shard.count() , "should be 2 shards" );
shards = s.config.shard.find().toArray();
assert.eq( shards[0].server , shards[1].server , "server should be the same after a split" );
db.foo.save( { num : 1 , name : "eliot" } );
db.foo.save( { num : 2 , name : "sara" } );
db.foo.save( { num : -1 , name : "joe" } );
s.adminCommand( "connpoolsync" );
assert.eq( 3 , s.getServer( "test" ).getDB( "test" ).foo.find().length() , "not right directly to db A" );
assert.eq( 3 , db.foo.find().length() , "not right on shard" );
primary = s.getServer( "test" ).getDB( "test" );
seconday = s.getOther( primary ).getDB( "test" );
assert.eq( 3 , primary.foo.find().length() , "primary wrong B" );
assert.eq( 0 , seconday.foo.find().length() , "seconday wrong C" );
assert.eq( 3 , db.foo.find().sort( { num : 1 } ).length() );
placeCheck( 2 );
// NOTE: at this point we have 2 shard on 1 server
// test move shard
assert.throws( function(){ s.adminCommand( { moveshard : "test.foo" , find : { num : 1 } , to : primary.getMongo().name } ); } );
assert.throws( function(){ s.adminCommand( { moveshard : "test.foo" , find : { num : 1 } , to : "adasd" } ) } );
s.adminCommand( { moveshard : "test.foo" , find : { num : 1 } , to : seconday.getMongo().name } );
assert.eq( 2 , seconday.foo.find().length() , "seconday should have 2 after move shard" );
assert.eq( 1 , primary.foo.find().length() , "primary should only have 1 after move shard" );
assert.eq( 2 , s.config.shard.count() , "still should have 2 shards after move not:" + s.config.shard.find().toArray().tojson( true ) );
shards = s.config.shard.find().toArray();
assert.neq( shards[0].server , shards[1].server , "servers should NOT be the same after the move" );
placeCheck( 3 );
// test inserts go to right server/shard
db.foo.save( { num : 3 , name : "bob" } );
s.adminCommand( "connpoolsync" );
assert.eq( 1 , primary.foo.find().length() , "after move insert go wrong place?" );
assert.eq( 3 , seconday.foo.find().length() , "after move insert go wrong place?" );
db.foo.save( { num : -2 , name : "funny man" } );
s.adminCommand( "connpoolsync" );
assert.eq( 2 , primary.foo.find().length() , "after move insert go wrong place?" );
assert.eq( 3 , seconday.foo.find().length() , "after move insert go wrong place?" );
db.foo.save( { num : 0 , name : "funny guy" } );
s.adminCommand( "connpoolsync" );
assert.eq( 2 , primary.foo.find().length() , "boundary A" );
assert.eq( 4 , seconday.foo.find().length() , "boundary B" );
placeCheck( 4 );
// findOne
assert.eq( "eliot" , db.foo.findOne( { num : 1 } ).name );
assert.eq( "funny man" , db.foo.findOne( { num : -2 } ).name );
// getAll
function sumQuery( c ){
var sum = 0;
c.toArray().forEach(
function(z){
sum += z.num;
}
);
return sum;
}
assert.eq( 6 , db.foo.find().length() , "sharded query 1" );
assert.eq( 3 , sumQuery( db.foo.find() ) , "sharded query 2" );
placeCheck( 5 );
// sort by num
assert.eq( 3 , sumQuery( db.foo.find().sort( { num : 1 } ) ) , "sharding query w/sort 1" );
assert.eq( 3 , sumQuery( db.foo.find().sort( { num : -1 } ) ) , "sharding query w/sort 2" );
assert.eq( "funny man" , db.foo.find().sort( { num : 1 } )[0].name , "sharding query w/sort 3 order wrong" );
assert.eq( -2 , db.foo.find().sort( { num : 1 } )[0].num , "sharding query w/sort 4 order wrong" );
assert.eq( "bob" , db.foo.find().sort( { num : -1 } )[0].name , "sharding query w/sort 5 order wrong" );
assert.eq( 3 , db.foo.find().sort( { num : -1 } )[0].num , "sharding query w/sort 6 order wrong" );
placeCheck( 6 );
// sory by name
function getNames( c ){
return c.toArray().map( function(z){ return z.name; } );
}
correct = getNames( db.foo.find() ).sort();
assert.eq( correct , getNames( db.foo.find().sort( { name : 1 } ) ) );
correct = correct.reverse();
assert.eq( correct , getNames( db.foo.find().sort( { name : -1 } ) ) );
assert.eq( 3 , sumQuery( db.foo.find().sort( { name : 1 } ) ) , "sharding query w/non-shard sort 1" );
assert.eq( 3 , sumQuery( db.foo.find().sort( { name : -1 } ) ) , "sharding query w/non-shard sort 2" );
// sort by num multiple shards per server
s.adminCommand( { split : "test.foo" , middle : { num : 2 } } );
assert.eq( "funny man" , db.foo.find().sort( { num : 1 } )[0].name , "sharding query w/sort and another split 1 order wrong" );
assert.eq( "bob" , db.foo.find().sort( { num : -1 } )[0].name , "sharding query w/sort and another split 2 order wrong" );
assert.eq( "funny man" , db.foo.find( { num : { $lt : 100 } } ).sort( { num : 1 } ).arrayAccess(0).name , "sharding query w/sort and another split 3 order wrong" );
placeCheck( 7 );
// getMore
assert.eq( 4 , db.foo.find().limit(-4).toArray().length , "getMore 1" );
function countCursor( c ){
var num = 0;
while ( c.hasNext() ){
c.next();
num++;
}
return num;
}
assert.eq( 6 , countCursor( db.foo.find()._exec() ) , "getMore 2" );
assert.eq( 6 , countCursor( db.foo.find().limit(1)._exec() ) , "getMore 3" );
// update
person = db.foo.findOne( { num : 3 } );
assert.eq( "bob" , person.name );
person.name = "bob is gone";
db.foo.update( { num : 3 } , person );
person = db.foo.findOne( { num : 3 } );
assert.eq( "bob is gone" , person.name );
// remove
assert( db.foo.findOne( { num : 3 } ) != null );
db.foo.remove( { num : 3 } );
assert( db.foo.findOne( { num : 3 } ) == null );
db.foo.save( { num : 3 , name : "eliot2" } );
person = db.foo.findOne( { num : 3 } );
assert( person );
assert( person.name == "eliot2" );
db.foo.remove( { _id : person._id } );
assert( db.foo.findOne( { num : 3 } ) == null );
placeCheck( 8 );
// TODO: getLastError
db.getLastError();
db.getPrevError();
s.stop();
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