40 lines
876 B
JavaScript
40 lines
876 B
JavaScript
// splitpick.js
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/**
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* tests picking the middle to split on
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*/
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s = new ShardingTest( "splitpick" , 2 );
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db = s.getDB( "test" );
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s.adminCommand( { enablesharding : "test" } );
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s.adminCommand( { shardcollection : "test.foo" , key : { a : 1 } } );
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c = db.foo;
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for ( var i=1; i<20; i++ ){
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c.save( { a : i } );
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}
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c.save( { a : 99 } );
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db.getLastError();
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function checkSplit( f, want , num ){
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x = s.admin.runCommand( { splitvalue : "test.foo" , find : { a : f } } );
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assert.eq( want, x.middle ? x.middle.a : null , "splitvalue " + num + " " + tojson( x ) );
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}
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checkSplit( 1 , 1 , "1" )
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checkSplit( 3 , 1 , "2" )
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s.adminCommand( { split : "test.foo" , find : { a : 1 } } );
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checkSplit( 3 , 99 , "3" )
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s.adminCommand( { split : "test.foo" , find : { a : 99 } } );
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assert.eq( s.config.chunks.count() , 3 );
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s.printChunks();
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checkSplit( 50 , 10 , "4" )
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s.stop();
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