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'use strict';
/**
* list_indexes.js
*
* Checks that the listIndexes command can tolerate concurrent modifications to the
* index catalog.
*/
var $config = (function() {
var states = (function() {
// Picks a random index to drop and recreate.
function modifyIndices(db, collName) {
var spec = {};
spec['foo' + this.tid] = 1;
assertWhenOwnColl.commandWorked(db[collName].dropIndex(spec));
sleep(100);
assertWhenOwnColl.commandWorked(db[collName].ensureIndex(spec));
}
// List indexes, using a batchSize of 2 to ensure getmores happen.
function listIndices(db, collName) {
var cursor = new DBCommandCursor(
db.getMongo(), db.runCommand({listIndexes: collName, cursor: {batchSize: 2}}));
assertWhenOwnColl.gte(cursor.itcount(), 0);
}
return {
modifyIndices: modifyIndices,
listIndices: listIndices
};
})();
var transitions = {
modifyIndices: {listIndices: 0.75, modifyIndices: 0.25},
listIndices: {listIndices: 0.25, modifyIndices: 0.75}
};
function setup(db, collName) {
// Create indices {fooi: 1}.
for (var i = 0; i < this.threadCount; ++i) {
var spec = {};
spec['foo' + i] = 1;
assertAlways.commandWorked(db[collName].ensureIndex(spec));
}
}
return {
threadCount: 10,
iterations: 20,
states: states,
startState: 'modifyIndices',
transitions: transitions,
setup: setup
};
})();
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