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'use strict';
/**
* count.js
*
* Base workload for count.
* Runs count on a non-indexed field and verifies that the count
* is correct.
* Each thread picks a random 'modulus' in range [5, 10]
* and a random 'countPerNum' in range [50, 100]
* and then inserts 'modulus * countPerNum' documents. [250, 1000]
* All threads insert into the same collection.
*/
var $config = (function() {
var data = {
randRange: function randRange(low, high) {
// return random number in range [low, high]
assert.gt(high, low);
return low + Random.randInt(high - low + 1);
},
getNumDocs: function getNumDocs() {
return this.modulus * this.countPerNum;
},
getCount: function getCount(db, predicate) {
var query = Object.extend({tid: this.tid}, predicate);
return db[this.threadCollName].count(query);
}
};
var states = (function() {
function init(db, collName) {
this.modulus = this.randRange(5, 10);
this.countPerNum = this.randRange(50, 100);
// workloads that extend this one might have set 'this.threadCollName'
this.threadCollName = this.threadCollName || collName;
var bulk = db[this.threadCollName].initializeUnorderedBulkOp();
for (var i = 0; i < this.getNumDocs(); ++i) {
bulk.insert({i: i % this.modulus, tid: this.tid});
}
var res = bulk.execute();
assertAlways.writeOK(res);
assertAlways.eq(this.getNumDocs(), res.nInserted);
}
function count(db, collName) {
assertWhenOwnColl.eq(this.getCount(db), this.getNumDocs());
var num = Random.randInt(this.modulus);
assertWhenOwnColl.eq(this.getCount(db, {i: num}), this.countPerNum);
}
return {
init: init,
count: count
};
})();
var transitions = {
init: {count: 1},
count: {count: 1}
};
return {
data: data,
threadCount: 10,
iterations: 20,
states: states,
transitions: transitions
};
})();
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