Files
mongo/jstests/readonly/aggregate.js
2022-05-05 15:59:23 +00:00

81 lines
3.5 KiB
JavaScript

load('jstests/readonly/lib/read_only_test.js');
runReadOnlyTest(function() {
'use strict';
return {
name: 'aggregate_readonly',
load: function(writableCollection) {
assert.doesNotThrow(() => {
writableCollection.insertMany([
{
award: "Best Picture",
nominations: [
{title: "The Big Short"},
{title: "Bridge of Spies"},
{title: "Brooklyn"},
{title: "Max Max: Fury Road"},
{title: "The Martian"},
{title: "The Revenant"},
{title: "Room"},
{title: "Spotlight"}
]
},
{
award: "Best Actor",
nominations: [
{title: "Trumbo", person: "Bryan Cranston"},
{title: "The Martian", person: "Matt Damon"},
{title: "The Revenant", person: "Leonardo DiCaprio"},
{title: "Steve Jobs", person: "Michael Fassbender"},
{title: "The Danish Girl", person: "Eddie Redmayne"}
]
},
{
award: "Best Actress",
nominations: [
{title: "Carol", person: "Cate Blanchett"},
{title: "Room", person: "Brie Larson"},
{title: "Joy", person: "Jennifer Lawrence"},
{title: "45 Years", person: "Charlotte Rampling"},
{title: "Brooklyn", person: "Saoirse Ronan"}
]
},
{
award: "Best Supporting Actor",
nominations: [
{title: "The Big Short", person: "Christian Bale"},
{title: "The Revenant", person: "Tom Hardy"},
{title: "Spotlight", person: "Mark Ruffalo"},
{title: "Bridge Of Spies", person: "Mark Rylance"},
{title: "Creed", person: "Sylvester Stallone"}
]
},
{
award: "Best Supporting Actress",
nominations: [
{title: "The Hateful Eight", person: "Jennifer Jason Leigh"},
{title: "Carol", person: "Rooney Mara"},
{title: "Spotlight", person: "Rachel McAdams"},
{title: "The Danish Girl", person: "Alicia Vikander"},
{title: "Steve Jobs", person: "Kate Winslet"}
]
}
]);
});
},
exec: function(readableCollection) {
// Find titles nominated for the most awards.
var mostAwardsPipeline = [
{$unwind: "$nominations"},
{$group: {_id: "$nominations.title", count: {$sum: 1}}},
{$sort: {count: -1, _id: 1}},
{$limit: 2},
];
assert.docEq(readableCollection.aggregate(mostAwardsPipeline).toArray(),
[{_id: "Spotlight", count: 3}, {_id: "The Revenant", count: 3}]);
}
};
}());