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Backport test utilities from sdf10 (#731)
Adds sdf::testing::SourceFile, sdf::testing::TestFile, sdf::testing::env, and sdf::testing::setenv and updates tests to use them. This makes it easier to backport other changes from newer branches. Signed-off-by: Addisu Z. Taddese <addisu@openrobotics.org>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| /* | ||
| * Copyright (C) 2021 Open Source Robotics Foundation | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
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| // Note: this is a direct copy from ignition::common, | ||
| // and can be removed when sdformat has common as a dependency | ||
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| #ifndef SDF_TEST_ENV_HH | ||
| #define SDF_TEST_ENV_HH | ||
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| #include <cstdlib> | ||
| #include <string> | ||
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| #ifdef _WIN32 | ||
| #include <windows.h> | ||
| #endif | ||
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| namespace sdf | ||
| { | ||
| namespace testing | ||
| { | ||
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| /// \brief Find the environment variable '_name' and return its value. | ||
| /// | ||
| /// Note: the intention is to put this in ign-util, and remove it | ||
| /// from sdformat once the depcnency is in place | ||
| /// | ||
| /// \param[in] _name Name of the environment variable. | ||
| /// \param[out] _value Value if the variable was found. | ||
| /// \param[in] _allowEmpty Allow set-but-empty variables. | ||
| /// (Unsupported on Windows) | ||
| /// \return True if the variable was found or false otherwise. | ||
| bool env(const std::string &_name, | ||
| std::string &_value, | ||
| bool _allowEmpty) | ||
| { | ||
| std::string v; | ||
| bool valid = false; | ||
| #ifdef _WIN32 | ||
| // Unused on Windows, suppress warning | ||
| (void) _allowEmpty; | ||
| const DWORD buffSize = 32767; | ||
| static char buffer[buffSize]; | ||
| if (GetEnvironmentVariable(_name.c_str(), buffer, buffSize)) | ||
| { | ||
| v = buffer; | ||
| } | ||
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| if (!v.empty()) | ||
| { | ||
| valid = true; | ||
| } | ||
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| #else | ||
| const char *cvar = std::getenv(_name.c_str()); | ||
| if (cvar != nullptr) | ||
| { | ||
| v = cvar; | ||
| valid = true; | ||
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| if (v[0] == '\0' && !_allowEmpty) | ||
| { | ||
| valid = false; | ||
| } | ||
| } | ||
| #endif | ||
| if (valid) | ||
| { | ||
| _value = v; | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
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| bool env(const std::string &_name, std::string &_value) | ||
| { | ||
| return env(_name, _value, false); | ||
| } | ||
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| /// \brief Set the environment variable '_name'. | ||
| /// | ||
| /// Note that on Windows setting an empty string (_value=="") | ||
| /// is the equivalent of unsetting the variable. | ||
| /// | ||
| /// \param[in] _name Name of the environment variable. | ||
| /// \param[in] _value Value of the variable to be set. | ||
| /// \return True if the variable was set or false otherwise. | ||
| bool setenv(const std::string &_name, | ||
| const std::string &_value) | ||
| { | ||
| #ifdef _WIN32 | ||
| if (0 != _putenv_s(_name.c_str(), _value.c_str())) | ||
| { | ||
| return false; | ||
| } | ||
| #else | ||
| if (0 != ::setenv(_name.c_str(), _value.c_str(), true)) | ||
| { | ||
| return false; | ||
| } | ||
| #endif | ||
| return true; | ||
| } | ||
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| /// \brief Unset the environment variable '_name'. | ||
| /// \param[in] _name Name of the environment variable. | ||
| /// \return True if the variable was unset or false otherwise. | ||
| bool unsetenv(const std::string &_name) | ||
| { | ||
| #ifdef _WIN32 | ||
| if (0 != _putenv_s(_name.c_str(), "")) | ||
| { | ||
| return false; | ||
| } | ||
| #else | ||
| if (0 != ::unsetenv(_name.c_str())) | ||
| { | ||
| return false; | ||
| } | ||
| #endif | ||
| return true; | ||
| } | ||
| } // namespace testing | ||
| } // namespace sdf | ||
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| #endif |
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