1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/**
* Copyright (C) 2022-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/bson/json.h"
#include "mongo/bson/unordered_fields_bsonobj_comparator.h"
#include "mongo/db/timeseries/bucket_compression.h"
#include "mongo/unittest/bson_test_util.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
const BSONObj sampleBucket = mongo::fromjson(R"({
"_id" : {"$oid": "630ea4802093f9983fc394dc"},
"control" : {
"version" : 1,
"min" : {
"_id" : {"$oid": "630fabf7c388456f8aea4f2d"},
"t" : {"$date": "2022-08-31T00:00:00Z"},
"a" : 0
},
"max" : {
"_id" : {"$oid": "630fabf7c388456f8aea4f35"},
"t" : {"$date": "2022-08-31T00:00:04Z"},
"a" : 4
}
},
"data" : {
"_id" : {
"0" : {"$oid": "630fabf7c388456f8aea4f2d"},
"1" : {"$oid": "630fabf7c388456f8aea4f2f"},
"2" : {"$oid": "630fabf7c388456f8aea4f31"},
"3" : {"$oid": "630fabf7c388456f8aea4f33"},
"4" : {"$oid": "630fabf7c388456f8aea4f35"}
},
"a" : {
"0" : 0,
"1" : 1,
"2" : 2,
"3" : 3,
"4" : 4
},
"t" : {
"0" : {"$date": "2022-08-31T00:00:00Z"},
"1" : {"$date": "2022-08-31T00:00:01Z"},
"2" : {"$date": "2022-08-31T00:00:02Z"},
"3" : {"$date": "2022-08-31T00:00:03Z"},
"4" : {"$date": "2022-08-31T00:00:04Z"}
}
}
})");
TEST(TimeseriesBucketCompression, BasicRoundtrip) {
auto compressed = timeseries::compressBucket(
sampleBucket, "t"_sd, NamespaceString::createNamespaceString_forTest("test.foo"), false);
ASSERT_TRUE(compressed.compressedBucket.has_value());
auto decompressed = timeseries::decompressBucket(compressed.compressedBucket.value());
ASSERT_TRUE(decompressed.has_value());
// Compression will re-order data fields, moving the timeField to the front.
UnorderedFieldsBSONObjComparator comparator;
ASSERT_EQ(0, comparator.compare(decompressed.value(), sampleBucket));
}
TEST(TimeseriesBucketCompression, CannotDecompressUncompressedBucket) {
auto decompressed = timeseries::decompressBucket(sampleBucket);
ASSERT_FALSE(decompressed.has_value());
}
} // namespace
} // namespace mongo
|
