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Implement TemporaryWorkingDirectory test helper

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This commit is contained in:
Kamil Śliwak 2021-04-16 20:31:13 +02:00
parent d07c85db67
commit 828b15b34f
3 changed files with 53 additions and 1 deletions
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11
test/TemporaryDirectory.cpp
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@ -56,3 +56,14 @@ TemporaryDirectory::~TemporaryDirectory()
cerr << "Reason: " << errorCode.message() << endl;
}
}
TemporaryWorkingDirectory::TemporaryWorkingDirectory(fs::path const& _newDirectory):
m_originalWorkingDirectory(fs::current_path())
{
fs::current_path(_newDirectory);
}
TemporaryWorkingDirectory::~TemporaryWorkingDirectory()
{
fs::current_path(m_originalWorkingDirectory);
}

18
test/TemporaryDirectory.h
View File

@ -16,7 +16,8 @@
*/
// SPDX-License-Identifier: GPL-3.0
/**
* Utility for creating temporary directories for use in tests.
* Utilities for creating temporary directories and temporarily changing the working directory
* for use in tests.
*/
#pragma once
@ -48,4 +49,19 @@ private:
boost::filesystem::path m_path;
};
/**
* An object that changes current working directory and restores it upon destruction.
*/
class TemporaryWorkingDirectory
{
public:
TemporaryWorkingDirectory(boost::filesystem::path const& _newDirectory);
~TemporaryWorkingDirectory();
boost::filesystem::path const& originalWorkingDirectory() const { return m_originalWorkingDirectory; }
private:
boost::filesystem::path m_originalWorkingDirectory;
};
}

25
test/TemporaryDirectoryTest.cpp
View File

@ -66,6 +66,31 @@ BOOST_AUTO_TEST_CASE(TemporaryDirectory_should_delete_its_directory_even_if_not_
BOOST_TEST(!fs::exists(dirPath / "test-file.txt"));
}
BOOST_AUTO_TEST_CASE(TemporaryWorkingDirectory_should_change_and_restore_working_directory)
{
fs::path originalWorkingDirectory = fs::current_path();
try
{
{
TemporaryDirectory tempDir("temporary-directory-test-");
assert(fs::equivalent(fs::current_path(), originalWorkingDirectory));
assert(!fs::equivalent(tempDir.path(), originalWorkingDirectory));
TemporaryWorkingDirectory tempWorkDir(tempDir.path());
BOOST_TEST(fs::equivalent(fs::current_path(), tempDir.path()));
}
BOOST_TEST(fs::equivalent(fs::current_path(), originalWorkingDirectory));
fs::current_path(originalWorkingDirectory);
}
catch (...)
{
fs::current_path(originalWorkingDirectory);
}
}
BOOST_AUTO_TEST_SUITE_END()
}