55 lines
2.0 KiB
JavaScript
55 lines
2.0 KiB
JavaScript
/**
|
|
* Tests basic functionality of read-only, non-materialized views.
|
|
*
|
|
* @tags: [
|
|
* assumes_unsharded_collection,
|
|
* ]
|
|
*/
|
|
|
|
import {arrayEq} from "jstests/aggregation/extras/utils.js";
|
|
|
|
let viewsDB = db.getSiblingDB("views_basic");
|
|
assert.commandWorked(viewsDB.dropDatabase());
|
|
|
|
let assertCmdResultEq = function(cmd, expected) {
|
|
let res = viewsDB.runCommand(cmd);
|
|
assert.commandWorked(res);
|
|
|
|
let cursor = new DBCommandCursor(viewsDB, res, 5);
|
|
let actual = cursor.toArray();
|
|
assert(arrayEq(actual, expected),
|
|
"actual: " + tojson(cursor.toArray()) + ", expected:" + tojson(expected));
|
|
};
|
|
|
|
// Insert some control documents.
|
|
let coll = viewsDB.getCollection("collection");
|
|
let bulk = coll.initializeUnorderedBulkOp();
|
|
bulk.insert({_id: "New York", state: "NY", pop: 7});
|
|
bulk.insert({_id: "Oakland", state: "CA", pop: 3});
|
|
bulk.insert({_id: "Palo Alto", state: "CA", pop: 10});
|
|
bulk.insert({_id: "San Francisco", state: "CA", pop: 4});
|
|
bulk.insert({_id: "Trenton", state: "NJ", pop: 5});
|
|
assert.commandWorked(bulk.execute());
|
|
|
|
// Test creating views on both collections and other views, using the database command and the
|
|
// shell helper.
|
|
assert.commandWorked(viewsDB.runCommand(
|
|
{create: "californiaCities", viewOn: "collection", pipeline: [{$match: {state: "CA"}}]}));
|
|
assert.commandWorked(viewsDB.createView(
|
|
"largeCaliforniaCities", "californiaCities", [{$match: {pop: {$gte: 10}}}, {$sort: {pop: 1}}]));
|
|
|
|
// Use the find command on a view with various options.
|
|
assertCmdResultEq(
|
|
{find: "californiaCities", filter: {}, projection: {_id: 1, pop: 1}},
|
|
[{_id: "Oakland", pop: 3}, {_id: "Palo Alto", pop: 10}, {_id: "San Francisco", pop: 4}]);
|
|
assertCmdResultEq({find: "largeCaliforniaCities", filter: {pop: {$lt: 50}}, limit: 1},
|
|
[{_id: "Palo Alto", state: "CA", pop: 10}]);
|
|
|
|
// Use aggregation on a view.
|
|
assertCmdResultEq({
|
|
aggregate: "californiaCities",
|
|
pipeline: [{$group: {_id: "$state", totalPop: {$sum: "$pop"}}}],
|
|
cursor: {}
|
|
},
|
|
[{_id: "CA", totalPop: 17}]);
|