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Viewing changes to jstests/find_and_modify.js

  • Committer: Bazaar Package Importer
  • Author(s): Antonin Kral
  • Date: 2010-01-29 19:48:45 UTC
  • Revision ID: james.westby@ubuntu.com-20100129194845-8wbmkf626fwcavc9
Tags: upstream-1.3.1
Import upstream version 1.3.1

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jstests/find_and_modify.js
 
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t = db.find_and_modify;
 
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t.drop();
 
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// fill db
 
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for(var i=1; i<=10; i++) {
 
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    t.insert({priority:i, inprogress:false, value:0});
 
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}
 
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// returns old
 
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out = t.findAndModify({update: {$set: {inprogress: true}, $inc: {value:1}}});
 
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assert.eq(out.value, 0);
 
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assert.eq(out.inprogress, false);
 
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t.update({_id: out._id}, {$set: {inprogress: false}});
 
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// returns new
 
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out = t.findAndModify({update: {$set: {inprogress: true}, $inc: {value:1}}, 'new': true});
 
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assert.eq(out.value, 2);
 
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assert.eq(out.inprogress, true);
 
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t.update({_id: out._id}, {$set: {inprogress: false}});
 
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// update highest priority
 
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out = t.findAndModify({query: {inprogress:false}, sort:{priority:-1}, update: {$set: {inprogress: true}}});
 
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assert.eq(out.priority, 10);
 
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// update next highest priority
 
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out = t.findAndModify({query: {inprogress:false}, sort:{priority:-1}, update: {$set: {inprogress: true}}});
 
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assert.eq(out.priority, 9);
 
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// remove lowest priority
 
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out = t.findAndModify({sort:{priority:1}, remove:true});
 
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assert.eq(out.priority, 1);
 
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// remove next lowest priority
 
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out = t.findAndModify({sort:{priority:1}, remove:1});
 
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assert.eq(out.priority, 2);
 
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// return empty obj if no matches (drivers may handle this differently)
 
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out = t.findAndModify({query:{no_such_field:1}, remove:1});
 
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assert.eq(out, {});