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/**
* Tests that a user can group on the text score.
*/
(function() {
"use strict";
const coll = db.text_score_grouping;
coll.drop();
assert.commandWorked(coll.insert({"_id": 1, "title": "cakes"}));
assert.commandWorked(coll.insert({"_id": 2, "title": "cookies and cakes"}));
assert.commandWorked(coll.createIndex({title: "text"}));
// Make sure there are two distinct groups for a text search with no other dependencies.
var results = coll.aggregate([
{$match: {$text: {$search: "cake cookies"}}},
{$group: {_id: {$meta: "textScore"}, count: {$sum: 1}}}
])
.toArray();
assert.eq(results.length, 2);
// Make sure there are two distinct groups if there are other fields required by the group.
results = coll.aggregate([
{$match: {$text: {$search: "cake cookies"}}},
{$group: {_id: {$meta: "textScore"}, firstId: {$first: "$_id"}}}
])
.toArray();
assert.eq(results.length, 2);
}());
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