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// Basic tests for using date expressions with time zone arguments.
(function() {
"use strict";
const coll = db.date_expressions_with_time_zones;
coll.drop();
assert.writeOK(coll.insert([
// Three sales on 2017-06-16 in UTC.
{_id: 0, date: new ISODate("2017-06-16T00:00:00.000Z"), sales: 1},
{_id: 1, date: new ISODate("2017-06-16T12:02:21.013Z"), sales: 2},
// Six sales on 2017-06-17 in UTC.
{_id: 2, date: new ISODate("2017-06-17T00:00:00.000Z"), sales: 2},
{_id: 3, date: new ISODate("2017-06-17T12:02:21.013Z"), sales: 2},
{_id: 4, date: new ISODate("2017-06-17T15:00:33.101Z"), sales: 2},
]));
// Compute how many sales happened on each day, in UTC.
assert.eq(
[
{_id: {year: 2017, month: 6, day: 16}, totalSales: 3},
{_id: {year: 2017, month: 6, day: 17}, totalSales: 6}
],
coll.aggregate([
{
$group: {
_id: {
year: {$year: "$date"},
month: {$month: "$date"},
day: {$dayOfMonth: "$date"}
},
totalSales: {$sum: "$sales"}
}
},
{$sort: {"_id.year": 1, "_id.month": 1, "_id.day": 1}}
])
.toArray());
// Compute how many sales happened on each day, in New York. The sales made at midnight should
// move to the previous days.
assert.eq(
[
{_id: {year: 2017, month: 6, day: 15}, totalSales: 1},
{_id: {year: 2017, month: 6, day: 16}, totalSales: 4},
{_id: {year: 2017, month: 6, day: 17}, totalSales: 4}
],
coll.aggregate([
{
$group: {
_id: {
year: {$year: {date: "$date", timezone: "America/New_York"}},
month: {$month: {date: "$date", timezone: "America/New_York"}},
day: {$dayOfMonth: {date: "$date", timezone: "America/New_York"}}
},
totalSales: {$sum: "$sales"}
}
},
{$sort: {"_id.year": 1, "_id.month": 1, "_id.day": 1}}
])
.toArray());
// Compute how many sales happened on each day, in Sydney (+10 hours).
assert.eq(
[
{_id: {year: 2017, month: 6, day: 16}, totalSales: 3},
{_id: {year: 2017, month: 6, day: 17}, totalSales: 4},
{_id: {year: 2017, month: 6, day: 18}, totalSales: 2}
],
coll.aggregate([
{
$group: {
_id: {
year: {$year: {date: "$date", timezone: "Australia/Sydney"}},
month: {$month: {date: "$date", timezone: "Australia/Sydney"}},
day: {$dayOfMonth: {date: "$date", timezone: "Australia/Sydney"}}
},
totalSales: {$sum: "$sales"}
}
},
{$sort: {"_id.year": 1, "_id.month": 1, "_id.day": 1}}
])
.toArray());
})();
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