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// Copyright 2019 Open Source Robotics Foundation, Inc.
//
// Licensed 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 <stdlib.h>
#include <string>
#include <utility>
#include "gtest/gtest.h"
#include "rcutils/env.h"
#include "rcpputils/find_library.hpp"
namespace
{
std::pair<const char *, const char *> test_lib_path_and_dir()
{
const char * test_lib_path{};
EXPECT_EQ(rcutils_get_env("_TEST_LIBRARY", &test_lib_path), nullptr);
EXPECT_NE(test_lib_path, nullptr);
const char * test_lib_dir{};
EXPECT_EQ(rcutils_get_env("_TEST_LIBRARY_DIR", &test_lib_dir), nullptr);
EXPECT_NE(test_lib_dir, nullptr);
return {test_lib_path, test_lib_dir};
}
} // anonymous namespace
TEST(test_find_library, find_library)
{
// Get ground-truth values from CTest properties.
const auto pair = test_lib_path_and_dir();
const std::string expected_library_path = pair.first;
const char * test_lib_dir = pair.second;
// Set our relevant path variable.
const char * env_var{};
#ifdef _WIN32
env_var = "PATH";
#elif __APPLE__
env_var = "DYLD_LIBRARY_PATH";
#else
env_var = "LD_LIBRARY_PATH";
#endif
#ifdef _WIN32
EXPECT_EQ(_putenv_s(env_var, test_lib_dir), 0);
#else
const int override = 1;
EXPECT_EQ(setenv(env_var, test_lib_dir, override), 0);
#endif
// Positive test.
const std::string test_lib_actual = rcpputils::find_library_path("test_library");
EXPECT_EQ(test_lib_actual, expected_library_path);
// (Hopefully) Negative test.
const std::string bad_path = rcpputils::find_library_path(
"this_is_a_junk_libray_name_please_dont_define_this_if_you_do_then_"
"you_are_really_naughty");
EXPECT_EQ(bad_path, "");
}
TEST(test_find_library, library_path)
{
// Get ground-truth values from CTest properties.
const auto pair = test_lib_path_and_dir();
const std::string expected_library_path = pair.first;
const std::string test_lib_dir = pair.second;
const std::string test_lib_actual = rcpputils::path_for_library(test_lib_dir, "test_library");
const std::string bad_path = rcpputils::path_for_library(
test_lib_dir,
"highly_unlikely_12_library_34567_name_890.txt.exe");
EXPECT_EQ(bad_path, "");
}
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