+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2014 Cloudwatt <libre.licensing@cloudwatt.com>
- *
- * Author: Loic Dachary <loic@dachary.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * 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
- * GNU Library Public License for more details.
- *
- *
- */
-#include "common/config.h"
-#include "common/errno.h"
-#include "gtest/gtest.h"
-
-extern std::string exec(const char* cmd); // defined in test_hostname.cc
-
-class test_md_config_t : public md_config_t, public ::testing::Test {
-public:
-
- test_md_config_t()
- : md_config_t(true), Test()
- {}
-
- void test_expand_meta() {
- Mutex::Locker l(lock);
- // successfull meta expansion $run_dir and ${run_dir}
- {
- ostringstream oss;
- std::string before = " BEFORE ";
- std::string after = " AFTER ";
-
- std::string val(before + "$run_dir${run_dir}" + after);
- EXPECT_TRUE(expand_meta(val, &oss));
- EXPECT_EQ(before + "/var/run/ceph/var/run/ceph" + after, val);
- EXPECT_EQ("", oss.str());
- }
- {
- ostringstream oss;
- std::string before = " BEFORE ";
- std::string after = " AFTER ";
- std::string val(before + "$host${host}" + after);
- EXPECT_TRUE(expand_meta(val, &oss));
- std::string hostname = exec("hostname -s");
- EXPECT_EQ(before + hostname + hostname + after, val);
- EXPECT_EQ("", oss.str());
- }
- // no meta expansion if variables are unknown
- {
- ostringstream oss;
- std::string expected = "expect $foo and ${bar} to not expand";
- std::string val = expected;
- EXPECT_FALSE(expand_meta(val, &oss));
- EXPECT_EQ(expected, val);
- EXPECT_EQ("", oss.str());
- }
- // recursive variable expansion
- {
- std::string host = "localhost";
- EXPECT_EQ(0, set_val("host", host.c_str(), false));
-
- std::string mon_host = "$cluster_network";
- EXPECT_EQ(0, set_val("mon_host", mon_host.c_str(), false));
-
- std::string lockdep = "true";
- EXPECT_EQ(0, set_val("lockdep", lockdep.c_str(), false));
-
- std::string cluster_network = "$public_network $public_network $lockdep $host";
- EXPECT_EQ(0, set_val("cluster_network", cluster_network.c_str(), false));
-
- std::string public_network = "NETWORK";
- EXPECT_EQ(0, set_val("public_network", public_network.c_str(), false));
-
- ostringstream oss;
- std::string val = "$mon_host";
- EXPECT_TRUE(expand_meta(val, &oss));
- EXPECT_EQ(public_network + " " +
- public_network + " " +
- lockdep + " " +
- "localhost", val);
- EXPECT_EQ("", oss.str());
- }
- // variable expansion loops are non fatal
- {
- std::string mon_host = "$cluster_network";
- EXPECT_EQ(0, set_val("mon_host", mon_host.c_str(), false));
-
- std::string cluster_network = "$public_network";
- EXPECT_EQ(0, set_val("cluster_network", cluster_network.c_str(), false));
-
- std::string public_network = "$mon_host";
- EXPECT_EQ(0, set_val("public_network", public_network.c_str(), false));
-
- ostringstream oss;
- std::string val = "$mon_host";
- EXPECT_TRUE(expand_meta(val, &oss));
- EXPECT_EQ("$cluster_network", val);
- const char *expected_oss =
- "variable expansion loop at mon_host=$cluster_network\n"
- "expansion stack: \n"
- "public_network=$mon_host\n"
- "cluster_network=$public_network\n"
- "mon_host=$cluster_network\n";
- EXPECT_EQ(expected_oss, oss.str());
- }
- }
-
- void test_expand_all_meta() {
- Mutex::Locker l(lock);
- int before_count = 0, data_dir = 0;
- for (const auto &i : schema) {
- const Option &opt = i.second;
- if (opt.type == Option::TYPE_STR) {
- const auto &str = boost::get<std::string>(opt.value);
- if (str.find("$") != string::npos)
- before_count++;
- if (str.find("$data_dir") != string::npos)
- data_dir++;
- }
- }
-
- // if there are no meta variables in the default configuration,
- // something must be done to check the expected side effect
- // of expand_all_meta
- ASSERT_LT(0, before_count);
- expand_all_meta();
- int after_count = 0;
- for (auto& i : values) {
- const auto &opt = schema.at(i.first);
- if (opt.type == Option::TYPE_STR) {
- const std::string &str = boost::get<std::string>(i.second);
- size_t pos = 0;
- while ((pos = str.find("$", pos)) != string::npos) {
- if (str.substr(pos, 8) != "$channel") {
- std::cout << "unexpected meta-variable found at pos " << pos
- << " of '" << str << "'" << std::endl;
- after_count++;
- }
- pos++;
- }
- }
- }
- ASSERT_EQ(data_dir, after_count);
- }
-};
-
-TEST_F(test_md_config_t, expand_meta)
-{
- test_expand_meta();
-}
-
-TEST_F(test_md_config_t, expand_all_meta)
-{
- test_expand_all_meta();
-}
-
-TEST(md_config_t, set_val)
-{
- int buf_size = 1024;
- md_config_t conf;
- // disable meta variable expansion
- {
- char *buf = (char*)malloc(buf_size);
- std::string expected = "$host";
- EXPECT_EQ(0, conf.set_val("mon_host", expected.c_str(), false));
- EXPECT_EQ(0, conf.get_val("mon_host", &buf, buf_size));
- EXPECT_EQ(expected, buf);
- free(buf);
- }
- // meta variable expansion is enabled by default
- {
- char *run_dir = (char*)malloc(buf_size);
- EXPECT_EQ(0, conf.get_val("run_dir", &run_dir, buf_size));
- EXPECT_EQ(0, conf.set_val("admin_socket", "$run_dir"));
- char *admin_socket = (char*)malloc(buf_size);
- EXPECT_EQ(0, conf.get_val("admin_socket", &admin_socket, buf_size));
- EXPECT_EQ(std::string(run_dir), std::string(admin_socket));
- free(run_dir);
- free(admin_socket);
- }
-}
-
-TEST(Option, validation)
-{
- Option opt_int("foo", Option::TYPE_INT, Option::LEVEL_BASIC);
- opt_int.set_min_max(5, 10);
-
- std::string msg;
- EXPECT_EQ(-EINVAL, opt_int.validate(Option::value_t(int64_t(4)), &msg));
- EXPECT_EQ(-EINVAL, opt_int.validate(Option::value_t(int64_t(11)), &msg));
- EXPECT_EQ(0, opt_int.validate(Option::value_t(int64_t(7)), &msg));
-
- Option opt_enum("foo", Option::TYPE_STR, Option::LEVEL_BASIC);
- opt_enum.set_enum_allowed({"red", "blue"});
- EXPECT_EQ(0, opt_enum.validate(Option::value_t(std::string("red")), &msg));
- EXPECT_EQ(0, opt_enum.validate(Option::value_t(std::string("blue")), &msg));
- EXPECT_EQ(-EINVAL, opt_enum.validate(Option::value_t(std::string("green")), &msg));
-
- Option opt_validator("foo", Option::TYPE_INT, Option::LEVEL_BASIC);
- opt_validator.set_validator([](std::string *value, std::string *error_message){
- if (*value == std::string("one")) {
- *value = "1";
- return 0;
- } else if (*value == std::string("666")) {
- return -EINVAL;
- } else {
- return 0;
- }
- });
-
- std::string input = "666"; // An explicitly forbidden value
- EXPECT_EQ(-EINVAL, opt_validator.pre_validate(&input, &msg));
- EXPECT_EQ(input, "666");
-
- input = "123"; // A permitted value with no special behaviour
- EXPECT_EQ(0, opt_validator.pre_validate(&input, &msg));
- EXPECT_EQ(input, "123");
-
- input = "one"; // A value that has a magic conversion
- EXPECT_EQ(0, opt_validator.pre_validate(&input, &msg));
- EXPECT_EQ(input, "1");
-}
-
-/*
- * Local Variables:
- * compile-command: "cd ../.. ;
- * make unittest_config &&
- * valgrind \
- * --max-stackframe=20000000 --tool=memcheck \
- * ./unittest_config # --gtest_filter=md_config_t.set_val
- * "
- * End:
- */
Code Review / stor4nfv.git / blobdiff