/Users/deen/code/yugabyte-db/src/yb/util/net/dns_resolver-test.cc
Line | Count | Source (jump to first uncovered line) |
1 | | // Licensed to the Apache Software Foundation (ASF) under one |
2 | | // or more contributor license agreements. See the NOTICE file |
3 | | // distributed with this work for additional information |
4 | | // regarding copyright ownership. The ASF licenses this file |
5 | | // to you under the Apache License, Version 2.0 (the |
6 | | // "License"); you may not use this file except in compliance |
7 | | // with the License. You may obtain a copy of the License at |
8 | | // |
9 | | // http://www.apache.org/licenses/LICENSE-2.0 |
10 | | // |
11 | | // Unless required by applicable law or agreed to in writing, |
12 | | // software distributed under the License is distributed on an |
13 | | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
14 | | // KIND, either express or implied. See the License for the |
15 | | // specific language governing permissions and limitations |
16 | | // under the License. |
17 | | // |
18 | | // The following only applies to changes made to this file as part of YugaByte development. |
19 | | // |
20 | | // Portions Copyright (c) YugaByte, Inc. |
21 | | // |
22 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
23 | | // in compliance with the License. You may obtain a copy of the License at |
24 | | // |
25 | | // http://www.apache.org/licenses/LICENSE-2.0 |
26 | | // |
27 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
28 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
29 | | // or implied. See the License for the specific language governing permissions and limitations |
30 | | // under the License. |
31 | | // |
32 | | |
33 | | #include "yb/util/net/dns_resolver.h" |
34 | | |
35 | | #include <vector> |
36 | | |
37 | | #include <boost/optional/optional.hpp> |
38 | | |
39 | | #include <gtest/gtest.h> |
40 | | |
41 | | #include "yb/gutil/strings/util.h" |
42 | | #include "yb/util/countdown_latch.h" |
43 | | #include "yb/util/net/sockaddr.h" |
44 | | #include "yb/util/status_log.h" |
45 | | #include "yb/util/test_macros.h" |
46 | | #include "yb/util/test_util.h" |
47 | | #include "yb/util/thread.h" |
48 | | |
49 | | using namespace std::literals; |
50 | | |
51 | | namespace yb { |
52 | | |
53 | | class DnsResolverTest : public YBTest { |
54 | | protected: |
55 | 1 | void SetUp() override { |
56 | 1 | io_thread_ = CHECK_RESULT(Thread::Make("io_thread", "io_thread", [this] { |
57 | 1 | boost::system::error_code ec; |
58 | 1 | io_service_.run(ec); |
59 | 1 | LOG_IF(ERROR, ec) << "Failed to run io service: " << ec; |
60 | 1 | })); |
61 | 1 | } |
62 | | |
63 | 1 | void TearDown() override { |
64 | 1 | work_.reset(); |
65 | 1 | Join(); |
66 | 1 | } |
67 | | |
68 | | protected: |
69 | 1 | void Join() { |
70 | 1 | auto deadline = std::chrono::steady_clock::now() + 15s; |
71 | 1 | while (!io_service_.stopped()) { |
72 | 0 | if (std::chrono::steady_clock::now() >= deadline) { |
73 | 0 | LOG(ERROR) << "Io service failed to stop"; |
74 | 0 | io_service_.stop(); |
75 | 0 | break; |
76 | 0 | } |
77 | 0 | std::this_thread::sleep_for(10ms); |
78 | 0 | } |
79 | 1 | io_thread_->Join(); |
80 | 1 | } |
81 | | |
82 | | ThreadPtr io_thread_; |
83 | | IoService io_service_; |
84 | | boost::optional<IoService::work> work_{io_service_}; |
85 | | |
86 | | DnsResolver resolver_{&io_service_}; |
87 | | }; |
88 | | |
89 | 1 | TEST_F(DnsResolverTest, TestResolution) { |
90 | 1 | auto future = resolver_.ResolveFuture("localhost"); |
91 | 1 | ASSERT_EQ(future.wait_for(1s), std::future_status::ready); |
92 | 1 | auto addr = ASSERT_RESULT(Copy(future.get())); |
93 | 1 | LOG(INFO) << "Address: " << addr; |
94 | 1 | if (addr.is_v4()) { |
95 | 1 | EXPECT_TRUE(HasPrefixString(ToString(addr), "127.")); |
96 | 0 | } else if (addr.is_v6()) { |
97 | 0 | EXPECT_TRUE(HasPrefixString(ToString(addr), "[::1]")); |
98 | 0 | } |
99 | 1 | } |
100 | | |
101 | | } // namespace yb |