51 lines
2.0 KiB
JavaScript
51 lines
2.0 KiB
JavaScript
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var log = console.log
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, assert = require( 'assert' )
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, Qap = require( '../' )
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, pattern = '-----hellofolks!\r\n\r\n'
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, bpattern = new Buffer( pattern )
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, plen = pattern.length
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, mb = 10
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, dlen = mb * 1024 * 1024
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, data = new Buffer( dlen )
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, qap = Qap( bpattern )
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, occ = Math.floor( dlen / plen / plen / plen / plen )
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, i = 0
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, indexes = []
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, stime = Date.now()
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;
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log( '- creating test buffer..(' + mb +' MB)' );
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for ( ; i < dlen - pattern.length; i += pattern.length + ++occ ) {
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indexes.push( i );
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bpattern.copy( data, i );
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};
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log( '- buffer data copied in',( Date.now() - stime ) / 1000, 'secs' );
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log( '- pattern length:', bpattern.length, 'bytes' );
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log( '- patterns written:', indexes.length );
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log( '- parse data from beginning..' );
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var sptime = Date.now(),
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offset = Math.floor( indexes.length / 2 ),
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// parse data from the middle index
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results = qap.parse( data, indexes[ offset ] ),
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presults = null;
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log( '- input data was parsed from the middle index in', ( ( Date.now() - sptime ) / 1000 ).toFixed( 2 ), 'secs' );
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log( '- total results:', results.length );
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assert.equal( results.length, indexes.length -offset, 'parsed results don\'t match with existing patterns ' + results.length + '!==' + indexes.length );
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assert.deepEqual( results, indexes.slice( offset ), 'indexes and parsed indexes don\'t match' );
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log( '- successfully compared parsed results and pre-recorded indexes..' );
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log( '- re-parse data from result with index ' + offset + ' and limit results to 10..' );
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presults = qap.parse( data, indexes[ offset ], 10 );
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log( '- check partial results length (' + ( presults.length ) + ' === 10)' );
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assert.equal( presults.length, 10, 'partial results length test failed' );
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log( '- compare partial and limited results with pre-recorded results' );
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assert.deepEqual( presults, indexes.slice( offset, offset + 10 ) , 'results don\'t match' );
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log( '- all small buffer tests passed in',( ( Date.now() - stime ) / 1000 ).toFixed( 2 ), 'secs');
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