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kea/src/lib/util/tests/file_utilities_unittest.cc
2024-02-22 10:06:32 +02:00

93 lines
2.7 KiB
C++

// Copyright (C) 2015-2022 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <exceptions/exceptions.h>
#include <util/file_utilities.h>
#include <gtest/gtest.h>
#include <fstream>
using namespace isc;
using namespace isc::util::file;
using namespace std;
namespace {
/// @brief Test fixture class for testing operations on files.
class FileUtilTest : public ::testing::Test {
public:
/// @brief Destructor.
///
/// Deletes the test file if any.
virtual ~FileUtilTest();
};
FileUtilTest::~FileUtilTest() {
string test_file_name(TEST_DATA_BUILDDIR "/fu.test");
static_cast<void>(remove(test_file_name.c_str()));
}
/// @brief Check an error is returned by getContent on not existent file.
TEST_F(FileUtilTest, notExists) {
string file_name("/this/does/not/exists");
try {
string c = getContent(file_name);
FAIL() << "this test must throw before this line";
} catch (const BadValue& ex) {
string expected = "can't open file '" + file_name;
expected += "': No such file or directory";
EXPECT_EQ(string(ex.what()), expected);
} catch (const std::exception& ex) {
FAIL() << "unexpected exception: " << ex.what();
}
}
/// @note No easy can't stat.
/// @brief Check an error is returned by getContent on not regular file.
TEST_F(FileUtilTest, notRegular) {
string file_name("/");
try {
string c = getContent(file_name);
FAIL() << "this test must throw before this line";
} catch (const BadValue& ex) {
string expected = "'" + file_name + "' must be a regular file";
EXPECT_EQ(string(ex.what()), expected);
} catch (const std::exception& ex) {
FAIL() << "unexpected exception: " << ex.what();
}
}
/// @brief Check getContent works.
TEST_F(FileUtilTest, basic) {
string file_name(TEST_DATA_BUILDDIR "/fu.test");
ofstream fs(file_name.c_str(), ofstream::out | ofstream::trunc);
ASSERT_TRUE(fs.is_open());
fs << "abdc";
fs.close();
string content;
EXPECT_NO_THROW(content = getContent(file_name));
EXPECT_EQ("abdc", content);
}
/// @brief Check isDir works.
TEST_F(FileUtilTest, isDir) {
EXPECT_TRUE(isDir("/dev"));
EXPECT_FALSE(isDir("/dev/null"));
EXPECT_FALSE(isDir("/this/does/not/exist"));
EXPECT_FALSE(isDir("/etc/hosts"));
}
/// @brief Check isFile.
TEST_F(FileUtilTest, isFile) {
EXPECT_TRUE(isFile(ABS_SRCDIR "/file_utilities_unittest.cc"));
EXPECT_FALSE(isFile(TEST_DATA_BUILDDIR));
}
} // namespace