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
|
/**
* Copyright (C) 2018-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.
*/
#pragma once
#include "mongo/db/pipeline/document_source.h"
#include "mongo/db/pipeline/expression_context_for_test.h"
namespace mongo {
/**
* A dummy class for other tests to inherit from to customize the behavior of any of the virtual
* methods from DocumentSource without having to implement all of them.
*/
class DocumentSourceTestOptimizations : public DocumentSource {
public:
static constexpr StringData kStageName = "$_internalTestOptimizations"_sd;
DocumentSourceTestOptimizations()
: DocumentSource(DocumentSourceTestOptimizations::kStageName,
new ExpressionContextForTest()) {}
virtual ~DocumentSourceTestOptimizations() = default;
virtual GetNextResult doGetNext() override {
MONGO_UNREACHABLE;
}
virtual StageConstraints constraints(Pipeline::SplitState) const override {
// Return the default constraints so that this can be used in test pipelines. Constructing a
// pipeline needs to do some validation that depends on this.
return StageConstraints{StreamType::kStreaming,
PositionRequirement::kNone,
HostTypeRequirement::kNone,
DiskUseRequirement::kNoDiskUse,
FacetRequirement::kAllowed,
TransactionRequirement::kNotAllowed,
LookupRequirement::kAllowed,
UnionRequirement::kAllowed};
}
virtual boost::optional<DistributedPlanLogic> distributedPlanLogic() override {
return boost::none;
}
virtual GetModPathsReturn getModifiedPaths() const override {
MONGO_UNREACHABLE;
}
private:
virtual Value serialize(boost::optional<ExplainOptions::Verbosity>) const override {
MONGO_UNREACHABLE;
}
};
} // namespace mongo
|
