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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/**
* 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.
*/
#include "mongo/platform/basic.h"
#include <boost/intrusive_ptr.hpp>
#include "mongo/db/exec/document_value/document.h"
#include "mongo/db/exec/document_value/document_value_test_util.h"
#include "mongo/db/pipeline/aggregation_context_fixture.h"
#include "mongo/db/pipeline/document_source_out.h"
namespace mongo {
namespace {
using boost::intrusive_ptr;
/**
* For the purpsoses of this test, assume every collection is unsharded. Stages may ask this during
* setup. For example, to compute its constraints, the $out stage needs to know if the output
* collection is sharded.
*/
class MongoProcessInterfaceForTest : public StubMongoProcessInterface {
public:
bool isSharded(OperationContext* opCtx, const NamespaceString& ns) override {
return false;
}
/**
* For the purposes of these tests, pretend each collection is unsharded and has a document key
* of just "_id".
*/
std::vector<FieldPath> collectDocumentKeyFieldsActingAsRouter(
OperationContext* opCtx, const NamespaceString& nss) const override {
return {"_id"};
}
void checkRoutingInfoEpochOrThrow(const boost::intrusive_ptr<ExpressionContext>& expCtx,
const NamespaceString&,
ChunkVersion) const override {
return; // Pretend it always matches for our tests here.
}
};
class DocumentSourceOutTest : public AggregationContextFixture {
public:
DocumentSourceOutTest() : AggregationContextFixture() {
getExpCtx()->mongoProcessInterface = std::make_shared<MongoProcessInterfaceForTest>();
}
intrusive_ptr<DocumentSourceOut> createOutStage(BSONObj spec) {
auto specElem = spec.firstElement();
intrusive_ptr<DocumentSourceOut> outStage = dynamic_cast<DocumentSourceOut*>(
DocumentSourceOut::createFromBson(specElem, getExpCtx()).get());
ASSERT_TRUE(outStage);
return outStage;
}
};
TEST_F(DocumentSourceOutTest, FailsToParseIncorrectType) {
BSONObj spec = BSON("$out" << 1);
ASSERT_THROWS_CODE(createOutStage(spec), AssertionException, 16990);
spec = BSON("$out" << BSONArray());
ASSERT_THROWS_CODE(createOutStage(spec), AssertionException, 16990);
spec = BSON("$out" << BSONObj());
ASSERT_THROWS_CODE(createOutStage(spec), AssertionException, 16994);
}
TEST_F(DocumentSourceOutTest, AcceptsStringArgument) {
BSONObj spec = BSON("$out"
<< "some_collection");
auto outStage = createOutStage(spec);
ASSERT_EQ(outStage->getOutputNs().coll(), "some_collection");
}
TEST_F(DocumentSourceOutTest, SerializeToString) {
BSONObj spec = BSON("$out"
<< "some_collection");
auto outStage = createOutStage(spec);
auto serialized = outStage->serialize().getDocument();
ASSERT_EQ(serialized["$out"]["coll"].getStringData(), "some_collection");
// Make sure we can reparse the serialized BSON.
auto reparsedOutStage = createOutStage(serialized.toBson());
auto reSerialized = reparsedOutStage->serialize().getDocument();
ASSERT_EQ(reSerialized["$out"]["coll"].getStringData(), "some_collection");
}
using DocumentSourceOutServerlessTest = ServerlessAggregationContextFixture;
TEST_F(DocumentSourceOutServerlessTest,
LiteParsedDocumentSourceLookupContainsExpectedNamespacesInServerless) {
auto tenantId = TenantId(OID::gen());
NamespaceString nss(tenantId, "test", "testColl");
std::vector<BSONObj> pipeline;
auto stageSpec = BSON("$out"
<< "some_collection");
auto liteParsedLookup = DocumentSourceOut::LiteParsed::parse(nss, stageSpec.firstElement());
auto namespaceSet = liteParsedLookup->getInvolvedNamespaces();
ASSERT_EQ(1, namespaceSet.size());
ASSERT_EQ(1ul, namespaceSet.count(NamespaceString(tenantId, "test", "some_collection")));
// The tenantId for the outputNs should be the same as that on the expCtx despite outputting
// into different dbs.
stageSpec = BSON("$out" << BSON("db"
<< "target_db"
<< "coll"
<< "some_collection"));
liteParsedLookup = DocumentSourceOut::LiteParsed::parse(nss, stageSpec.firstElement());
namespaceSet = liteParsedLookup->getInvolvedNamespaces();
ASSERT_EQ(1, namespaceSet.size());
ASSERT_EQ(1ul, namespaceSet.count(NamespaceString(tenantId, "target_db", "some_collection")));
}
TEST_F(DocumentSourceOutServerlessTest, CreateFromBSONContainsExpectedNamespacesInServerless) {
auto expCtx = getExpCtx();
ASSERT(expCtx->ns.tenantId());
auto defaultDb = expCtx->ns.dbName();
const std::string targetColl = "target_collection";
auto spec = BSON("$out" << targetColl);
auto outStage = DocumentSourceOut::createFromBson(spec.firstElement(), expCtx);
auto outSource = static_cast<DocumentSourceOut*>(outStage.get());
ASSERT(outSource);
ASSERT_EQ(outSource->getOutputNs(), NamespaceString(defaultDb, targetColl));
// Assert the tenantId is not included in the serialized namespace.
auto serialized = outSource->serialize().getDocument();
auto expectedDoc = Document{{"db", expCtx->ns.dbName().db()}, {"coll", targetColl}};
ASSERT_DOCUMENT_EQ(serialized["$out"].getDocument(), expectedDoc);
// The tenantId for the outputNs should be the same as that on the expCtx despite outputting
// into different dbs.
const std::string targetDb = "target_db";
spec = BSON("$out" << BSON("db" << targetDb << "coll" << targetColl));
outStage = DocumentSourceOut::createFromBson(spec.firstElement(), expCtx);
outSource = static_cast<DocumentSourceOut*>(outStage.get());
ASSERT(outSource);
ASSERT(outSource->getOutputNs().tenantId());
ASSERT_EQ(*outSource->getOutputNs().tenantId(), *expCtx->ns.tenantId());
ASSERT_EQ(outSource->getOutputNs().dbName().db(), targetDb);
// Assert the tenantId is not included in the serialized namespace.
serialized = outSource->serialize().getDocument();
expectedDoc = Document{{"db", targetDb}, {"coll", targetColl}};
ASSERT_DOCUMENT_EQ(serialized["$out"].getDocument(), expectedDoc);
}
} // namespace
} // namespace mongo
|
