c078dc37a9
This is just a cleanup work to hide some of the private state of ReplSetTest so it is easier to encapsulate and add new logic. Also enables strict mode.
65 lines
1.9 KiB
JavaScript
65 lines
1.9 KiB
JavaScript
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// test for SERVER-6303 - if documents move backward during an initial sync.
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var rt = new ReplSetTest( { name : "replset8tests" , nodes: 1 } );
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var nodes = rt.startSet();
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rt.initiate();
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var master = rt.getPrimary();
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var bigstring = "a";
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var md = master.getDB( 'd' );
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var mdc = md[ 'c' ];
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// prep the data
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// idea: create x documents of increasing size, then create x documents of size n.
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// delete first x documents. start initial sync (cloner). update all remaining
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// documents to be increasing size.
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// this should result in the updates moving the docs backwards.
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var doccount = 5000;
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// Avoid empty extent issues
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mdc.insert( { _id:-1, x:"dummy" } );
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print ("inserting bigstrings");
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var bulk = mdc.initializeUnorderedBulkOp();
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for( i = 0; i < doccount; ++i ) {
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bulk.insert( { _id:i, x:bigstring } );
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bigstring += "a";
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}
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assert.writeOK(bulk.execute());
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print ("inserting x");
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bulk = mdc.initializeUnorderedBulkOp();
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for( i = doccount; i < doccount*2; ++i ) {
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bulk.insert( { _id:i, x:i } );
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}
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assert.writeOK(bulk.execute());
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print ("deleting bigstrings");
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bulk = mdc.initializeUnorderedBulkOp();
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for( i = 0; i < doccount; ++i ) {
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bulk.find({ _id: i }).remove();
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}
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assert.writeOK(bulk.execute());
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// add a secondary
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var slave = rt.add();
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rt.reInitiate();
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print ("initiation complete!");
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var sc = slave.getDB( 'd' )[ 'c' ];
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slave.setSlaveOk();
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sleep(25000);
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print ("updating documents backwards");
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// Move all documents to the beginning by growing them to sizes that should
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// fit the holes we made in phase 1
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bulk = mdc.initializeUnorderedBulkOp();
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for (i = doccount*2; i > doccount; --i) {
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mdc.update( { _id:i, x:i }, { _id:i, x:bigstring } );
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bigstring = bigstring.slice(0, -1); // remove last char
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}
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print ("finished");
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// Wait for replication to catch up.
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rt.awaitSecondaryNodes();
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assert.eq(doccount+1, slave.getDB( 'd' )['c'].count());
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