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Diffstat (limited to 'src/mongo/client/scanning_replica_set_monitor_internal_test.cpp')
| -rw-r--r-- | src/mongo/client/scanning_replica_set_monitor_internal_test.cpp | 516 |
1 files changed, 516 insertions, 0 deletions
diff --git a/src/mongo/client/scanning_replica_set_monitor_internal_test.cpp b/src/mongo/client/scanning_replica_set_monitor_internal_test.cpp new file mode 100644 index 00000000000..766558de2f5 --- /dev/null +++ b/src/mongo/client/scanning_replica_set_monitor_internal_test.cpp @@ -0,0 +1,516 @@ +/** + * 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 "mongo/client/scanning_replica_set_monitor_test_fixture.h" + +#include "mongo/client/mongo_uri.h" + +namespace mongo { +namespace { + +// -- SetState Construction -- +using InitialStateTest = ScanningReplicaSetMonitorTest; + +TEST_F(InitialStateTest, InitialStateMongoURI) { + auto uri = MongoURI::parse("mongodb://a,b,c/?replicaSet=name"); + ASSERT_OK(uri.getStatus()); + auto state = makeState(uri.getValue()); + ASSERT_EQUALS(state->name, "name"); + ASSERT(state->seedNodes == basicSeedsSet); + ASSERT(state->lastSeenMaster.empty()); + ASSERT_EQUALS(state->nodes.size(), basicSeeds.size()); + for (size_t i = 0; i < basicSeeds.size(); i++) { + auto node = state->findNode(basicSeeds[i]); + ASSERT(node); + ASSERT_EQUALS(node->host.toString(), basicSeeds[i].toString()); + ASSERT(!node->isUp); + ASSERT(!node->isMaster); + ASSERT(node->tags.isEmpty()); + } +} + +// -- Node operations -- +class NodeTest : public ScanningReplicaSetMonitorTest { +public: + bool isCompatible(const Node& node, ReadPreference pref, const TagSet& tagSet) { + auto connStr = ConnectionString::forReplicaSet(kSetName, {node.host}); + auto set = makeState(MongoURI(connStr)); + set->nodes.push_back(node); + + ReadPreferenceSetting criteria(pref, tagSet); + return !set->getMatchingHost(criteria).empty(); + } + + const BSONObj SampleIsMasterDoc = BSON("tags" << BSON("dc" + << "NYC" + << "p" + << "2" + << "region" + << "NA")); + const BSONObj SampleTags = SampleIsMasterDoc["tags"].Obj(); + const BSONObj NoTags = BSONObj(); + const BSONObj NoTagIsMasterDoc = BSON("isMaster" << true); +}; + + +TEST_F(NodeTest, SimpleGoodMatch) { + Node node(((HostAndPort()))); + node.tags = BSON("dc" + << "sf"); + ASSERT(node.matches(BSON("dc" + << "sf"))); +} + +TEST_F(NodeTest, SimpleBadMatch) { + Node node((HostAndPort())); + node.tags = BSON("dc" + << "nyc"); + ASSERT(!node.matches(BSON("dc" + << "sf"))); +} + +TEST_F(NodeTest, ExactMatch) { + Node node((HostAndPort())); + node.tags = SampleTags; + ASSERT(node.matches(SampleIsMasterDoc["tags"].Obj())); +} + +TEST_F(NodeTest, EmptyTag) { + Node node((HostAndPort())); + node.tags = SampleTags; + ASSERT(node.matches(BSONObj())); +} + +TEST_F(NodeTest, MemberNoTagMatchesEmptyTag) { + Node node((HostAndPort())); + node.tags = NoTags; + ASSERT(node.matches(BSONObj())); +} + +TEST_F(NodeTest, MemberNoTagDoesNotMatch) { + Node node((HostAndPort())); + node.tags = NoTags; + ASSERT(!node.matches(BSON("dc" + << "NYC"))); +} + +TEST_F(NodeTest, IncompleteMatch) { + Node node((HostAndPort())); + node.tags = SampleTags; + ASSERT(!node.matches(BSON("dc" + << "NYC" + << "p" + << "2" + << "hello" + << "world"))); +} + +TEST_F(NodeTest, PartialMatch) { + Node node((HostAndPort())); + node.tags = SampleTags; + ASSERT(node.matches(BSON("dc" + << "NYC" + << "p" + << "2"))); +} + +TEST_F(NodeTest, SingleTagCrit) { + Node node((HostAndPort())); + node.tags = SampleTags; + ASSERT(node.matches(BSON("p" + << "2"))); +} + +TEST_F(NodeTest, BadSingleTagCrit) { + Node node((HostAndPort())); + node.tags = SampleTags; + ASSERT(!node.matches(BSON("dc" + << "SF"))); +} + +TEST_F(NodeTest, NonExistingFieldTag) { + Node node((HostAndPort())); + node.tags = SampleTags; + ASSERT(!node.matches(BSON("noSQL" + << "Mongo"))); +} + +TEST_F(NodeTest, UnorederedMatching) { + Node node((HostAndPort())); + node.tags = SampleTags; + ASSERT(node.matches(BSON("p" + << "2" + << "dc" + << "NYC"))); +} + +TEST_F(NodeTest, SameValueDiffKey) { + Node node((HostAndPort())); + node.tags = SampleTags; + ASSERT(!node.matches(BSON("datacenter" + << "NYC"))); +} + +TEST_F(NodeTest, PriNodeCompatibleTag) { + Node node(HostAndPort("dummy", 3)); + node.tags = SampleTags; + + node.isUp = true; + node.isMaster = true; + + BSONArrayBuilder builder; + builder.append(BSON("dc" + << "NYC")); + + TagSet tags(BSONArray(builder.done())); + + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryPreferred, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::SecondaryPreferred, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::SecondaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::Nearest, tags)); +} + +TEST_F(NodeTest, SecNodeCompatibleTag) { + Node node(HostAndPort("dummy", 3)); + node.tags = SampleTags; + + node.isUp = true; + node.isMaster = false; + + BSONArrayBuilder builder; + builder.append(BSON("dc" + << "NYC")); + + TagSet tags(BSONArray(builder.done())); + + ASSERT(!isCompatible(node, mongo::ReadPreference::PrimaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryPreferred, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::SecondaryPreferred, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::SecondaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::Nearest, tags)); +} + +TEST_F(NodeTest, PriNodeNotCompatibleTag) { + Node node(HostAndPort("dummy", 3)); + node.tags = SampleTags; + + node.isUp = true; + node.isMaster = true; + + BSONArrayBuilder builder; + builder.append(BSON("dc" + << "SF")); + + TagSet tags(BSONArray(builder.done())); + + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryPreferred, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::SecondaryPreferred, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::SecondaryOnly, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::Nearest, tags)); +} + +TEST_F(NodeTest, SecNodeNotCompatibleTag) { + Node node(HostAndPort("dummy", 3)); + node.tags = SampleTags; + + node.isUp = true; + node.isMaster = false; + + BSONArrayBuilder builder; + builder.append(BSON("dc" + << "SF")); + + TagSet tags(BSONArray(builder.done())); + + ASSERT(!isCompatible(node, mongo::ReadPreference::PrimaryOnly, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::PrimaryPreferred, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::SecondaryPreferred, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::SecondaryOnly, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::Nearest, tags)); +} + +TEST_F(NodeTest, PriNodeCompatiblMultiTag) { + Node node(HostAndPort("dummy", 3)); + node.tags = SampleTags; + + node.isUp = true; + node.isMaster = true; + + BSONArrayBuilder builder; + builder.append(BSON("dc" + << "RP")); + builder.append(BSON("dc" + << "NYC" + << "p" + << "2")); + + TagSet tags(BSONArray(builder.done())); + + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryPreferred, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::SecondaryPreferred, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::SecondaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::Nearest, tags)); +} + +TEST_F(NodeTest, SecNodeCompatibleMultiTag) { + Node node(HostAndPort("dummy", 3)); + node.tags = SampleTags; + + node.isUp = true; + node.isMaster = false; + + BSONArrayBuilder builder; + builder.append(BSON("dc" + << "RP")); + builder.append(BSON("dc" + << "NYC" + << "p" + << "2")); + + TagSet tags(BSONArray(builder.done())); + + ASSERT(!isCompatible(node, mongo::ReadPreference::PrimaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryPreferred, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::SecondaryPreferred, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::SecondaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::Nearest, tags)); +} + +TEST_F(NodeTest, PriNodeNotCompatibleMultiTag) { + Node node(HostAndPort("dummy", 3)); + node.tags = SampleTags; + + node.isUp = true; + node.isMaster = true; + + BSONArrayBuilder builder; + builder.append(BSON("dc" + << "sf")); + builder.append(BSON("dc" + << "NYC" + << "P" + << "4")); + + TagSet tags(BSONArray(builder.done())); + + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryOnly, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::PrimaryPreferred, tags)); + ASSERT(isCompatible(node, mongo::ReadPreference::SecondaryPreferred, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::SecondaryOnly, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::Nearest, tags)); +} + +TEST_F(NodeTest, SecNodeNotCompatibleMultiTag) { + Node node(HostAndPort("dummy", 3)); + node.tags = SampleTags; + + node.isUp = true; + node.isMaster = false; + + BSONArrayBuilder builder; + builder.append(BSON("dc" + << "sf")); + builder.append(BSON("dc" + << "NYC" + << "P" + << "4")); + + TagSet tags(BSONArray(builder.done())); + + ASSERT(!isCompatible(node, mongo::ReadPreference::PrimaryOnly, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::PrimaryPreferred, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::SecondaryPreferred, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::SecondaryOnly, tags)); + ASSERT(!isCompatible(node, mongo::ReadPreference::Nearest, tags)); +} + +// -- IsMasterReply operations -- +using IsMasterReplyTest = ScanningReplicaSetMonitorTest; +TEST_F(IsMasterReplyTest, IsMasterBadParse) { + BSONObj ismaster = BSON("hosts" << BSON_ARRAY("mongo.example:badport")); + IsMasterReply imr(HostAndPort("mongo.example:27017"), -1, ismaster); + ASSERT_EQUALS(imr.ok, false); +} + +TEST_F(IsMasterReplyTest, IsMasterReplyRSNotInitiated) { + BSONObj ismaster = BSON( + "ismaster" << false << "secondary" << false << "info" + << "can't get local.system.replset config from self or any seed (EMPTYCONFIG)" + << "isreplicaset" << true << "maxBsonObjectSize" << 16777216 + << "maxMessageSizeBytes" << 48000000 << "maxWriteBatchSize" << 1000 + << "localTime" << mongo::jsTime() << "maxWireVersion" << 2 << "minWireVersion" + << 0 << "ok" << 1); + + IsMasterReply imr(HostAndPort(), -1, ismaster); + + ASSERT_EQUALS(imr.ok, true); + ASSERT_EQUALS(imr.setName, ""); + ASSERT_EQUALS(imr.hidden, false); + ASSERT_EQUALS(imr.secondary, false); + ASSERT_EQUALS(imr.isMaster, false); + ASSERT_EQUALS(imr.configVersion, 0); + ASSERT(!imr.electionId.isSet()); + ASSERT(imr.primary.empty()); + ASSERT(imr.members.empty()); + ASSERT(imr.tags.isEmpty()); +} + +TEST_F(IsMasterReplyTest, IsMasterReplyRSPrimary) { + BSONObj ismaster = BSON("setName" + << "test" + << "setVersion" << 1 << "electionId" << OID("7fffffff0000000000000001") + << "ismaster" << true << "secondary" << false << "hosts" + << BSON_ARRAY("mongo.example:3000") << "primary" + << "mongo.example:3000" + << "me" + << "mongo.example:3000" + << "maxBsonObjectSize" << 16777216 << "maxMessageSizeBytes" << 48000000 + << "maxWriteBatchSize" << 1000 << "localTime" << mongo::jsTime() + << "maxWireVersion" << 2 << "minWireVersion" << 0 << "ok" << 1); + + IsMasterReply imr(HostAndPort("mongo.example:3000"), -1, ismaster); + + ASSERT_EQUALS(imr.ok, true); + ASSERT_EQUALS(imr.host.toString(), HostAndPort("mongo.example:3000").toString()); + ASSERT_EQUALS(imr.setName, "test"); + ASSERT_EQUALS(imr.configVersion, 1); + ASSERT_EQUALS(imr.electionId, OID("7fffffff0000000000000001")); + ASSERT_EQUALS(imr.hidden, false); + ASSERT_EQUALS(imr.secondary, false); + ASSERT_EQUALS(imr.isMaster, true); + ASSERT_EQUALS(imr.primary.toString(), HostAndPort("mongo.example:3000").toString()); + ASSERT(imr.members.count(HostAndPort("mongo.example:3000"))); + ASSERT(imr.tags.isEmpty()); +} + +TEST_F(IsMasterReplyTest, IsMasterReplyPassiveSecondary) { + BSONObj ismaster = BSON("setName" + << "test" + << "setVersion" << 2 << "electionId" << OID("7fffffff0000000000000001") + << "ismaster" << false << "secondary" << true << "hosts" + << BSON_ARRAY("mongo.example:3000") << "passives" + << BSON_ARRAY("mongo.example:3001") << "primary" + << "mongo.example:3000" + << "passive" << true << "me" + << "mongo.example:3001" + << "maxBsonObjectSize" << 16777216 << "maxMessageSizeBytes" << 48000000 + << "maxWriteBatchSize" << 1000 << "localTime" << mongo::jsTime() + << "maxWireVersion" << 2 << "minWireVersion" << 0 << "ok" << 1); + + IsMasterReply imr(HostAndPort("mongo.example:3001"), -1, ismaster); + + ASSERT_EQUALS(imr.ok, true); + ASSERT_EQUALS(imr.host.toString(), HostAndPort("mongo.example:3001").toString()); + ASSERT_EQUALS(imr.setName, "test"); + ASSERT_EQUALS(imr.configVersion, 2); + ASSERT_EQUALS(imr.hidden, false); + ASSERT_EQUALS(imr.secondary, true); + ASSERT_EQUALS(imr.isMaster, false); + ASSERT_EQUALS(imr.primary.toString(), HostAndPort("mongo.example:3000").toString()); + ASSERT(imr.members.count(HostAndPort("mongo.example:3000"))); + ASSERT(imr.members.count(HostAndPort("mongo.example:3001"))); + ASSERT(imr.passives.count(HostAndPort("mongo.example:3001"))); + ASSERT(imr.tags.isEmpty()); + ASSERT(!imr.electionId.isSet()); +} + +TEST_F(IsMasterReplyTest, IsMasterReplyHiddenSecondary) { + BSONObj ismaster = BSON("setName" + << "test" + << "setVersion" << 2 << "electionId" << OID("7fffffff0000000000000001") + << "ismaster" << false << "secondary" << true << "hosts" + << BSON_ARRAY("mongo.example:3000") << "primary" + << "mongo.example:3000" + << "passive" << true << "hidden" << true << "me" + << "mongo.example:3001" + << "maxBsonObjectSize" << 16777216 << "maxMessageSizeBytes" << 48000000 + << "maxWriteBatchSize" << 1000 << "localTime" << mongo::jsTime() + << "maxWireVersion" << 2 << "minWireVersion" << 0 << "ok" << 1); + + IsMasterReply imr(HostAndPort("mongo.example:3001"), -1, ismaster); + + ASSERT_EQUALS(imr.ok, true); + ASSERT_EQUALS(imr.host.toString(), HostAndPort("mongo.example:3001").toString()); + ASSERT_EQUALS(imr.setName, "test"); + ASSERT_EQUALS(imr.configVersion, 2); + ASSERT_EQUALS(imr.hidden, true); + ASSERT_EQUALS(imr.secondary, true); + ASSERT_EQUALS(imr.isMaster, false); + ASSERT_EQUALS(imr.primary.toString(), HostAndPort("mongo.example:3000").toString()); + ASSERT(imr.members.count(HostAndPort("mongo.example:3000"))); + ASSERT(imr.tags.isEmpty()); + ASSERT(!imr.electionId.isSet()); +} + +TEST_F(IsMasterReplyTest, IsMasterSecondaryWithTags) { + BSONObj ismaster = BSON("setName" + << "test" + << "setVersion" << 2 << "electionId" << OID("7fffffff0000000000000001") + << "ismaster" << false << "secondary" << true << "hosts" + << BSON_ARRAY("mongo.example:3000" + << "mongo.example:3001") + << "primary" + << "mongo.example:3000" + << "me" + << "mongo.example:3001" + << "maxBsonObjectSize" << 16777216 << "maxMessageSizeBytes" << 48000000 + << "maxWriteBatchSize" << 1000 << "localTime" << mongo::jsTime() + << "maxWireVersion" << 2 << "minWireVersion" << 0 << "tags" + << BSON("dc" + << "nyc" + << "use" + << "production") + << "ok" << 1); + + IsMasterReply imr(HostAndPort("mongo.example:3001"), -1, ismaster); + + ASSERT_EQUALS(imr.ok, true); + ASSERT_EQUALS(imr.host.toString(), HostAndPort("mongo.example:3001").toString()); + ASSERT_EQUALS(imr.setName, "test"); + ASSERT_EQUALS(imr.configVersion, 2); + ASSERT_EQUALS(imr.hidden, false); + ASSERT_EQUALS(imr.secondary, true); + ASSERT_EQUALS(imr.isMaster, false); + ASSERT_EQUALS(imr.primary.toString(), HostAndPort("mongo.example:3000").toString()); + ASSERT(imr.members.count(HostAndPort("mongo.example:3000"))); + ASSERT(imr.members.count(HostAndPort("mongo.example:3001"))); + ASSERT(imr.tags.hasElement("dc")); + ASSERT(imr.tags.hasElement("use")); + ASSERT(!imr.electionId.isSet()); + ASSERT_EQUALS(imr.tags["dc"].str(), "nyc"); + ASSERT_EQUALS(imr.tags["use"].str(), "production"); +} + +} // namespace +} // namespace mongo |