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falk-werner_webfuse/test-src/integration/test_readdir.cpp

98 lines
2.4 KiB

#include "webfuse/webfuse.hpp"
#include "webfuse/test/fixture.hpp"
#include "webfuse/test/filesystem_mock.hpp"
#include "webfuse/test/daemon.hpp"
#include <gtest/gtest.h>
#include <unistd.h>
#include <dirent.h>
#include <string>
#include <unordered_map>
using testing::_;
using testing::Return;
using testing::Invoke;
using testing::AnyNumber;
TEST(readdir, existing_dir)
{
webfuse::filesystem_mock fs;
EXPECT_CALL(fs, access("/",_)).Times(AnyNumber()).WillRepeatedly(Return(0));
EXPECT_CALL(fs, getattr(_,_)).WillRepeatedly(Invoke([](auto const & path, auto * attr){
memset(reinterpret_cast<void*>(attr),0, sizeof(struct stat));
if ((path == "/") or (path == "/some_dir"))
{
attr->st_nlink = 1;
attr->st_mode = S_IFDIR | 0755;
return 0;
}
else
{
return -ENOENT;
}
}));
EXPECT_CALL(fs, readdir("/some_dir",_)).WillOnce(Invoke([](auto const & path, auto & entries) {
entries.push_back("foo");
return 0;
}));
webfuse::fixture fixture(fs);
auto const path = fixture.get_path() + "/some_dir";
std::unordered_map<std::string, bool> expected_entries = {
{".", false},
{"..", false},
{"foo", false},
};
DIR * dir = opendir(path.c_str());
ASSERT_NE(nullptr, dir);
dirent * entry = readdir(dir);
int count = 0;
while (nullptr != entry)
{
count++;
auto it = expected_entries.find(entry->d_name);
ASSERT_NE(expected_entries.end(), it);
ASSERT_FALSE(it->second);
it->second = true;
entry = readdir(dir);
}
closedir(dir);
ASSERT_EQ(3, count);
}
TEST(readdir, non_existing_dir)
{
webfuse::filesystem_mock fs;
EXPECT_CALL(fs, access("/",_)).Times(AnyNumber()).WillRepeatedly(Return(0));
EXPECT_CALL(fs, getattr(_,_)).WillRepeatedly(Invoke([](auto const & path, auto * attr){
memset(reinterpret_cast<void*>(attr),0, sizeof(struct stat));
if (path == "/")
{
attr->st_nlink = 1;
attr->st_mode = S_IFDIR | 0755;
return 0;
}
else
{
return -ENOENT;
}
}));
EXPECT_CALL(fs, readdir("/some_dir",_)).Times(0);
webfuse::fixture fixture(fs);
auto const path = fixture.get_path() + "/some_dir";
DIR * dir = opendir(path.c_str());
ASSERT_EQ(nullptr, dir);
ASSERT_EQ(ENOENT, errno);
}