f23002e965
The shell should attach the logical session used to initiate cursors (via find or aggregate) and use it for successive getMores.
55 lines
2.2 KiB
JavaScript
55 lines
2.2 KiB
JavaScript
// Tests basic functionality of read-only, non-materialized views.
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(function() {
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"use strict";
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// For arrayEq.
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load("jstests/aggregation/extras/utils.js");
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let viewsDB = db.getSiblingDB("views_basic");
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assert.commandWorked(viewsDB.dropDatabase());
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let assertCmdResultEq = function(cmd, expected) {
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let res = viewsDB.runCommand(cmd);
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assert.commandWorked(res);
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let cursor = new DBCommandCursor(db, res, 5);
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let actual = cursor.toArray();
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assert(arrayEq(actual, expected),
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"actual: " + tojson(cursor.toArray()) + ", expected:" + tojson(expected));
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};
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// Insert some control documents.
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let coll = viewsDB.getCollection("collection");
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let bulk = coll.initializeUnorderedBulkOp();
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bulk.insert({_id: "New York", state: "NY", pop: 7});
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bulk.insert({_id: "Oakland", state: "CA", pop: 3});
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bulk.insert({_id: "Palo Alto", state: "CA", pop: 10});
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bulk.insert({_id: "San Francisco", state: "CA", pop: 4});
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bulk.insert({_id: "Trenton", state: "NJ", pop: 5});
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assert.writeOK(bulk.execute());
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// Test creating views on both collections and other views, using the database command and the
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// shell helper.
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assert.commandWorked(viewsDB.runCommand(
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{create: "californiaCities", viewOn: "collection", pipeline: [{$match: {state: "CA"}}]}));
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assert.commandWorked(viewsDB.createView("largeCaliforniaCities",
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"californiaCities",
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[{$match: {pop: {$gte: 10}}}, {$sort: {pop: 1}}]));
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// Use the find command on a view with various options.
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assertCmdResultEq(
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{find: "californiaCities", filter: {}, projection: {_id: 1, pop: 1}},
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[{_id: "Oakland", pop: 3}, {_id: "Palo Alto", pop: 10}, {_id: "San Francisco", pop: 4}]);
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assertCmdResultEq({find: "largeCaliforniaCities", filter: {pop: {$lt: 50}}, limit: 1},
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[{_id: "Palo Alto", state: "CA", pop: 10}]);
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// Use aggregation on a view.
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assertCmdResultEq({
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aggregate: "californiaCities",
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pipeline: [{$group: {_id: "$state", totalPop: {$sum: "$pop"}}}],
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cursor: {}
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},
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[{_id: "CA", totalPop: 17}]);
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}());
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