78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
/**
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* Performance tests for various finders
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*/
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var calls = 100;
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var size = 500000;
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var collection_name = "sort2";
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function testSetup(dbConn) {
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var t = dbConn[collection_name];
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t.drop();
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for (var i=0; i<size; i++){
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t.save({ num : i });
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if (i == 0 )
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t.ensureIndex( { num : 1 } );
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}
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}
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/**
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* Tests fetching a set of 10 objects in sorted order, comparing getting
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* from front of collection vs end, using $lt
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*/
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function testFindLTFrontBack(dbConn) {
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var results = {};
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var t = dbConn[collection_name];
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results.oneInOrderLTFirst = Date.timeFunc(
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function(){
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assert( t.find( { num : {$lt : 20} } ).sort( { num : 1 } ).limit(10).toArray().length == 10);
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} , calls );
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results.oneInOrderLTLast = Date.timeFunc(
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function(){
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assert( t.find( { num : {$lt : size-20 }} ).sort( { num : 1 } ).limit(10).toArray().length == 10);
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} , calls );
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assert( 0.9 < (results.oneInOrderLTFirst / results.oneInOrderLTLast) < 1.1,
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"first / last (" + results.oneInOrderLTFirst + " / " + results.oneInOrderLTLast + " ) = " +
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results.oneInOrderLTFirst / results.oneInOrderLTLast + " not in [0.9, 1.1]" );
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}
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/**
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* Tests fetching a set of 10 objects in sorted order, comparing getting
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* from front of collection vs end
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*/
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function testFindGTFrontBack(dbConn) {
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var results = {};
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var t = dbConn[collection_name];
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results.oneInOrderGTFirst = Date.timeFunc(
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function(){
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assert( t.find( { num : {$gt : 5} } ).sort( { num : 1 } ).limit(10).toArray().length == 10);
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} , calls );
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results.oneInOrderGTLast = Date.timeFunc(
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function(){
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assert( t.find( { num : {$gt : size-20 }} ).sort( { num : 1 } ).limit(10).toArray().length == 10);
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} , calls );
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assert( 0.25 < (results.oneInOrderGTFirst / results.oneInOrderGTLast) < 4.0,
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"first / last (" + results.oneInOrderGTFirst + " / " + results.oneInOrderGTLast + " ) = " +
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results.oneInOrderGTFirst / results.oneInOrderGTLast + " not in [0.25, 4.0]" );
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}
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var db = connect( "ed_perf_find_tests" );
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testSetup(db);
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testFindLTFrontBack(db);
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testFindGTFrontBack(db); |