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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/**
* Copyright (C) 2019-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/db/pipeline/aggregation_context_fixture.h"
#include "mongo/db/pipeline/process_interface/standalone_process_interface.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
class MongoProcessInterfaceForTest : public StandaloneProcessInterface {
public:
using StandaloneProcessInterface::StandaloneProcessInterface;
bool fieldsHaveSupportingUniqueIndex(const boost::intrusive_ptr<ExpressionContext>& expCtx,
const NamespaceString& nss,
const std::set<FieldPath>& fields) const override {
return hasSupportingIndexForFields;
}
void checkRoutingInfoEpochOrThrow(const boost::intrusive_ptr<ExpressionContext>& expCtx,
const NamespaceString&,
ChunkVersion) const override {
// Assume it always matches for our tests here.
return;
}
bool hasSupportingIndexForFields{true};
};
class ProcessInterfaceStandaloneTest : public AggregationContextFixture {
public:
auto makeProcessInterface() {
return std::make_unique<MongoProcessInterfaceForTest>(nullptr);
}
};
TEST_F(ProcessInterfaceStandaloneTest,
FailsToEnsureFieldsUniqueIfTargetCollectionVersionIsSpecifiedOnMongos) {
auto expCtx = getExpCtx();
auto targetCollectionVersion =
boost::make_optional(ChunkVersion({OID::gen(), Timestamp(1, 1)}, {0, 0}));
auto processInterface = makeProcessInterface();
// Test that 'targetCollectionVersion' is not accepted if not from mongos.
expCtx->fromMongos = false;
ASSERT_THROWS_CODE(processInterface->ensureFieldsUniqueOrResolveDocumentKey(
expCtx, {{"_id"}}, targetCollectionVersion, expCtx->ns),
AssertionException,
51123);
// Test that 'targetCollectionVersion' is accepted if from mongos.
expCtx->fromMongos = true;
auto [joinKey, chunkVersion] = processInterface->ensureFieldsUniqueOrResolveDocumentKey(
expCtx, {{"_id"}}, targetCollectionVersion, expCtx->ns);
ASSERT_EQ(joinKey.size(), 1UL);
ASSERT_EQ(joinKey.count(FieldPath("_id")), 1UL);
ASSERT(chunkVersion);
ASSERT_EQ(*chunkVersion, *targetCollectionVersion);
}
TEST_F(ProcessInterfaceStandaloneTest, FailsToEnsureFieldsUniqueIfJoinFieldsAreNotSentFromMongos) {
auto expCtx = getExpCtx();
auto targetCollectionVersion =
boost::make_optional(ChunkVersion({OID::gen(), Timestamp(1, 1)}, {0, 0}));
auto processInterface = makeProcessInterface();
expCtx->fromMongos = true;
ASSERT_THROWS_CODE(processInterface->ensureFieldsUniqueOrResolveDocumentKey(
expCtx, boost::none, targetCollectionVersion, expCtx->ns),
AssertionException,
51124);
}
TEST_F(ProcessInterfaceStandaloneTest,
FailsToEnsureFieldsUniqueIfFieldsDoesNotHaveSupportingUniqueIndex) {
auto expCtx = getExpCtx();
auto targetCollectionVersion = boost::none;
auto processInterface = makeProcessInterface();
expCtx->fromMongos = false;
processInterface->hasSupportingIndexForFields = false;
ASSERT_THROWS_CODE(processInterface->ensureFieldsUniqueOrResolveDocumentKey(
expCtx, {{"x"}}, targetCollectionVersion, expCtx->ns),
AssertionException,
51183);
}
} // namespace
} // namespace mongo
|
