gitlstree_test.cc

#include <assert.h>
#include <sys/stat.h>
#include <iostream>
#include <memory>
#include <string>

#define FUSE_USE_VERSION 32

#include "get_current_dir.h"
#include "gitlstree.h"

using std::cout;
using std::endl;
using std::string;
using std::unique_ptr;

void TryReadFileTest(directory_container::DirectoryContainer* fs,
                     const string& name) {
  // Try reading a file.
  cout << "Try reading: " << name << endl;
  gitlstree::FileElement* fe;
  ;
  assert((fe = dynamic_cast<gitlstree::FileElement*>(fs->mutable_get(name))) !=
         nullptr);
  constexpr size_t size = 4096;
  char buf[size];
  size_t read_size;
  fe->Open();
  assert((read_size = fe->Read(buf, size, 0)) > 0);
  assert(read_size <= size);
  string f(buf, read_size);
  cout << f << endl;
}

void ScenarioTest() {
  auto fs = std::make_unique<directory_container::DirectoryContainer>();
  auto git = gitlstree::GitTree::NewGitTree(
      GetCurrentDir() + "/out/fetch_test_repo/gitlstreefs", "HEAD", "",
      GetCurrentDir() + "/out/gitlstree_test_cache/", fs.get());
  fs->dump();

  assert(fs->get("/dummytestdirectory/README") != nullptr);
  assert(fs->get("/dummytestdirectory") != nullptr);
  assert(fs->is_directory("/dummytestdirectory"));
  assert(!fs->is_directory("/dummytestdirectory/README"));

  // root directory.
  assert(fs->get("/") != nullptr);
  struct stat st;
  assert(fs->Getattr("/", &st) == 0);
  assert(st.st_nlink == 2);
  assert(st.st_mode == (S_IFDIR | 0755));
  assert(fs->Getattr("/dummytestdirectory", &st) == 0);
  assert(fs->Getattr("/dummytestdirectory/", &st) == -ENOENT);
  assert(fs->Getattr("/dummytestdirectory/README", &st) == 0);
  TryReadFileTest(fs.get(), "/dummytestdirectory/README");
}

int main(int argc, char** argv) {
  int iter = argv[1] ? atoi(argv[1]) : 1;
  for (int i = 0; i < iter; ++i) {
    ScenarioTest();
  }
}