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Fixed file_helper::split_by_extenstion and added more tests for it

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This commit is contained in:
gabime 2017-12-22 18:37:51 +02:00
parent f257e4ea8c
commit f695e536dd
2 changed files with 55 additions and 96 deletions
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36
include/spdlog/details/file_helper.h
View File

@ -109,27 +109,35 @@ public:
}
//
// return basename and extension:
// return file path and its extension:
//
// "mylog.txt" => ("mylog", ".txt")
// "mylog" => ("mylog", "")
// "mylog." => ("mylog.", "")
// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
//
// the starting dot in filenames is ignored (hidden files):
//
// "my_folder/.mylog" => ("my_folder/.mylog")
// ".mylog" => (".mylog". "")
// "my_folder/.mylog" => ("my_folder/.mylog", "")
// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
static std::tuple<filename_t, filename_t> split_by_extenstion(const filename_t& fname)
{
auto index = fname.rfind('.');
if (index != filename_t::npos && index != fname.size() - 1 &&index !=0 && fname[index - 1] != details::os::folder_sep)
{
auto index2 = fname.find(details::os::folder_sep, index);
if (index2 == fname.npos) {
return std::make_tuple(fname.substr(0, index), fname.substr(index));
}
}
return std::make_tuple(fname, std::string());
}
static std::tuple<filename_t, filename_t> split_by_extenstion(const spdlog::filename_t& fname)
{
auto ext_index = fname.rfind('.');
// no valid extension found - return whole path and empty string as extension
if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1)
return std::make_tuple(fname, spdlog::filename_t());
// treat casese like "/etc/rc.d/somelogfile or "/abc/.hiddenfile"
//auto folder_index = fname.find('\\', ext_index);
auto folder_index = fname.rfind(details::os::folder_sep);
if (folder_index != fname.npos && folder_index >= ext_index - 1)
return std::make_tuple(fname, spdlog::filename_t());
// finally - return a valid base and extnetion tuple
return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
}
private:
FILE* _fd;
filename_t _filename;

115
tests/file_helper.cpp
View File

@ -73,91 +73,42 @@ TEST_CASE("file_helper_reopen2", "[file_helper::reopen(false)]]")
REQUIRE(helper.size() == expected_size);
}
static void test_split_ext(spdlog::filename_t& filename, spdlog::filename_t & expected_base, spdlog::filename_t & expected_ext)
{
#ifdef _WIN32 // replace folder sep
std::replace(filename.begin(), filename.end(), '/', '\\');
std::replace(expected_base.begin(), expected_base.end(), '/', '\\');
#endif
spdlog::filename_t basename, ext;
std::tie(basename, ext) = file_helper::split_by_extenstion(filename);
REQUIRE(basename == expected_base);
REQUIRE(ext == expected_ext);
}
TEST_CASE("file_helper_split_by_extenstion", "[file_helper::split_by_extenstion()]]")
{
std::string basename, ext;
std::tie(basename, ext) = file_helper::split_by_extenstion("mylog.txt");
REQUIRE(basename == "mylog");
REQUIRE(ext == ".txt");
}
TEST_CASE("file_helper_split_by_extenstion2", "[file_helper::split_by_extenstion()]]")
{
std::string basename, ext;
std::tie(basename, ext) = file_helper::split_by_extenstion("mylog");
REQUIRE(basename == "mylog");
REQUIRE(ext == "");
}
TEST_CASE("file_helper_split_by_extenstion3", "[file_helper::split_by_extenstion()]]")
{
std::string basename, ext;
std::tie(basename, ext) = file_helper::split_by_extenstion("mylog.xyz.txt");
REQUIRE(basename == "mylog.xyz");
REQUIRE(ext == ".txt");
using file_t = spdlog::filename_t;
test_split_ext(file_t("mylog.txt"), file_t("mylog"), file_t(".txt"));
test_split_ext(file_t(".mylog.txt"), file_t(".mylog"), file_t(".txt"));
test_split_ext(file_t(".mylog"), file_t(".mylog"), file_t(""));
test_split_ext(file_t("/aaa/bb.d/mylog"), file_t("/aaa/bb.d/mylog"), file_t(""));
test_split_ext(file_t("/aaa/bb.d/mylog.txt"), file_t("/aaa/bb.d/mylog"), file_t(".txt"));
test_split_ext(file_t("aaa/bbb/ccc/mylog.txt"), file_t("aaa/bbb/ccc/mylog"), file_t(".txt"));
test_split_ext(file_t("aaa/bbb/ccc/mylog."), file_t("aaa/bbb/ccc/mylog."), file_t(""));
test_split_ext(file_t("aaa/bbb/ccc/.mylog.txt"), file_t("aaa/bbb/ccc/.mylog"), file_t(".txt"));
test_split_ext(file_t("/aaa/bbb/ccc/mylog.txt"), file_t("/aaa/bbb/ccc/mylog"), file_t(".txt"));
test_split_ext(file_t("/aaa/bbb/ccc/.mylog"), file_t("/aaa/bbb/ccc/.mylog"), file_t(""));
test_split_ext(file_t("../mylog.txt"), file_t("../mylog"), file_t(".txt"));
test_split_ext(file_t(".././mylog.txt"), file_t(".././mylog"), file_t(".txt"));
test_split_ext(file_t(".././mylog.txt/xxx"), file_t(".././mylog.txt/xxx"), file_t(""));
test_split_ext(file_t("/mylog.txt"), file_t("/mylog"), file_t(".txt"));
test_split_ext(file_t("//mylog.txt"), file_t("//mylog"), file_t(".txt"));
}
TEST_CASE("file_helper_split_by_extenstion4", "[file_helper::split_by_extenstion()]]")
{
std::string basename, ext;
std::tie(basename, ext) = file_helper::split_by_extenstion("mylog.xyz....txt");
REQUIRE(basename == "mylog.xyz...");
REQUIRE(ext == ".txt");
}
TEST_CASE("file_helper_split_by_extenstion5", "[file_helper::split_by_extenstion(hidden_file)]]")
{
std::string basename, ext;
std::tie(basename, ext) = file_helper::split_by_extenstion(".mylog");
REQUIRE(basename == ".mylog");
REQUIRE(ext == "");
}
TEST_CASE("file_helper_split_by_extenstion6", "[file_helper::split_by_extenstion(hidden_file)]]")
{
#ifdef _WIN32
auto filename = "folder\\.mylog";
auto expected_basename = "folder\\.mylog";
#else
auto filename = "folder/.mylog";
auto expected_basename = "folder/.mylog";
#endif
std::string basename, ext;
std::tie(basename, ext) = file_helper::split_by_extenstion(filename);
REQUIRE(basename == expected_basename);
REQUIRE(ext == "");
}
TEST_CASE("file_helper_split_by_extenstion7", "[file_helper::split_by_extenstion(hidden_file)]]")
{
#ifdef _WIN32
auto filename = "folder\\.mylog.txt";
auto expected_basename = "folder\\.mylog";
#else
auto filename = "folder/.mylog.txt";
auto expected_basename = "folder/.mylog";
#endif
std::string basename, ext;
std::tie(basename, ext) = file_helper::split_by_extenstion(filename);
REQUIRE(basename == expected_basename);
REQUIRE(ext == ".txt");
}
TEST_CASE("file_helper_split_by_extenstion8", "[file_helper::split_by_extenstion(hidden_file)]]")
{
#ifdef _WIN32
auto filename = "folder.ext\\mylog";
auto expected_basename = "folder.ext\\mylog";
#else
auto filename = "folder.ext/mylog";
auto expected_basename = "folder.ext/mylog";
#endif
std::string basename, ext;
std::tie(basename, ext) = file_helper::split_by_extenstion(filename);
REQUIRE(basename == expected_basename);
REQUIRE(ext == "");
}