| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "fs/filesystem.h" |
| #include "fs/bad_datanode_tracker.h" |
| |
| #include <gmock/gmock.h> |
| |
| using ::testing::_; |
| using ::testing::InvokeArgument; |
| using ::testing::Return; |
| |
| using namespace hdfs; |
| |
| /** |
| * Unit test for the tracker |
| **/ |
| |
| /* make sure nodes can be added */ |
| TEST(NodeExclusionTest, AddBadNode) { |
| auto tracker = std::make_shared<BadDataNodeTracker>(); |
| |
| ASSERT_FALSE(tracker->IsBadNode("dn1")); |
| tracker->AddBadNode("dn1"); |
| ASSERT_TRUE(tracker->IsBadNode("dn1")); |
| ASSERT_FALSE(tracker->IsBadNode("dn2")); |
| tracker->AddBadNode("dn2"); |
| ASSERT_TRUE(tracker->IsBadNode("dn2")); |
| } |
| |
| /* Make sure nodes get removed when time elapses */ |
| TEST(NodeExclusionTest, RemoveOnTimeout) { |
| auto tracker = std::make_shared<BadDataNodeTracker>(); |
| |
| /* add node and make sure only that node is marked bad */ |
| std::string bad_dn("this_dn_died"); |
| tracker->AddBadNode(bad_dn); |
| ASSERT_TRUE(tracker->IsBadNode(bad_dn)); |
| ASSERT_FALSE(tracker->IsBadNode("good_dn")); |
| |
| tracker->TEST_set_clock_shift(1000000); |
| |
| /* node should be removed on lookup after time shift */ |
| ASSERT_FALSE(tracker->IsBadNode(bad_dn)); |
| } |
| |
| /** |
| * Unit tests for ExcludeSet |
| **/ |
| |
| TEST(NodeExclusionTest, ExcludeSet) { |
| /* empty case */ |
| auto exclude_set = std::make_shared<ExclusionSet>(std::set<std::string>()); |
| ASSERT_FALSE(exclude_set->IsBadNode("any_node")); |
| |
| /* common case */ |
| exclude_set = |
| std::make_shared<ExclusionSet>(std::set<std::string>({"dn_1", "dn_3"})); |
| ASSERT_TRUE(exclude_set->IsBadNode("dn_1")); |
| ASSERT_FALSE(exclude_set->IsBadNode("dn_2")); |
| ASSERT_TRUE(exclude_set->IsBadNode("dn_3")); |
| } |
| |
| int main(int argc, char *argv[]) { |
| // The following line must be executed to initialize Google Mock |
| // (and Google Test) before running the tests. |
| ::testing::InitGoogleMock(&argc, argv); |
| int exit_code = RUN_ALL_TESTS(); |
| google::protobuf::ShutdownProtobufLibrary(); |
| return exit_code; |
| } |