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test: more file utils tests

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This commit is contained in:
Marcus Holland-Moritz 2024-08-05 01:24:38 +02:00
parent 70453e0dc8
commit c307bd4321
2 changed files with 87 additions and 2 deletions
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4
src/dwarfs/file_stat.cpp
View File

@ -216,7 +216,9 @@ file_stat::file_stat(fs::path const& path) {
struct ::stat st;
if (::lstat(path.string().c_str(), &st) != 0) {
throw std::system_error(errno, std::generic_category(), "lstat");
exception_ = std::make_exception_ptr(
std::system_error(errno, std::generic_category(), "lstat"));
return;
}
valid_fields_ = file_stat::all_valid;

85
test/file_utils_test.cpp
View File

@ -22,12 +22,14 @@
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <dwarfs/file_stat.h>
#include <dwarfs/internal/file_status_conv.h>
using namespace dwarfs::internal;
namespace fs = std::filesystem;
TEST(file_utils, file_status_conversion) {
using namespace dwarfs::internal;
using fs::file_type;
using fs::perms;
@ -79,3 +81,84 @@ TEST(file_utils, file_status_conversion) {
testing::ThrowsMessage<std::runtime_error>(
testing::HasSubstr("invalid file type: ")));
}
TEST(file_utils, file_stat_nonexistent) {
using namespace dwarfs;
file_stat st("somenonexistentfile");
EXPECT_THAT([&] { st.ensure_valid(file_stat::mode_valid); },
testing::Throws<std::system_error>());
}
TEST(file_utils, file_stat) {
using namespace dwarfs;
file_stat st;
EXPECT_THAT([&] { st.ensure_valid(file_stat::ino_valid); },
testing::ThrowsMessage<dwarfs::runtime_error>(
testing::HasSubstr("missing stat fields:")));
EXPECT_THAT([&] { st.set_permissions(0755); },
testing::ThrowsMessage<dwarfs::runtime_error>(
testing::HasSubstr("missing stat fields:")));
EXPECT_THAT([&] { st.status(); },
testing::ThrowsMessage<dwarfs::runtime_error>(
testing::HasSubstr("missing stat fields:")));
st.set_mode(0100644);
EXPECT_NO_THROW(st.set_permissions(0755));
EXPECT_NO_THROW(st.ensure_valid(file_stat::mode_valid));
auto status = st.status();
EXPECT_EQ(status.permissions(), fs::perms::owner_all | fs::perms::group_read |
fs::perms::group_exec |
fs::perms::others_read |
fs::perms::others_exec);
EXPECT_TRUE(st.is_regular_file());
EXPECT_FALSE(st.is_directory());
EXPECT_FALSE(st.is_symlink());
st.set_mode(0040755);
EXPECT_FALSE(st.is_regular_file());
EXPECT_TRUE(st.is_directory());
EXPECT_FALSE(st.is_symlink());
st.set_mode(0120644);
EXPECT_FALSE(st.is_regular_file());
EXPECT_FALSE(st.is_directory());
EXPECT_TRUE(st.is_symlink());
EXPECT_THAT([&] { st.dev(); },
testing::ThrowsMessage<dwarfs::runtime_error>(
testing::HasSubstr("missing stat fields:")));
EXPECT_EQ(st.dev_unchecked(), 0);
st.set_dev(1234);
EXPECT_EQ(st.dev(), 1234);
st.set_blksize(4096);
st.set_blocks(8);
EXPECT_NO_THROW(st.ensure_valid(file_stat::blksize_valid |
file_stat::blocks_valid |
file_stat::dev_valid));
EXPECT_EQ(st.blksize(), 4096);
EXPECT_EQ(st.blocks(), 8);
EXPECT_EQ(file_stat::mode_string(0100644), "----rw-r--r--");
EXPECT_EQ(file_stat::mode_string(0120644), "---lrw-r--r--");
EXPECT_EQ(file_stat::mode_string(0140644), "---srw-r--r--");
EXPECT_THAT([&] { file_stat::mode_string(0110000); },
testing::ThrowsMessage<dwarfs::runtime_error>(
testing::HasSubstr("unknown file type: 0x9000")));
}