crashpad/util/test/scoped_temp_dir_test.cc

// Copyright 2015 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "util/test/scoped_temp_dir.h"

#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>

#include "base/posix/eintr_wrapper.h"
#include "gtest/gtest.h"
#include "util/test/errors.h"

namespace crashpad {
namespace test {
namespace {

bool FileExists(const base::FilePath& path) {
#if defined(OS_POSIX)
  struct stat st;
  int rv = lstat(path.value().c_str(), &st);
  if (rv < 0) {
    EXPECT_EQ(ENOENT, errno) << ErrnoMessage("lstat") << " " << path.value();
    return false;
  }
  return true;
#else
#error "Not implemented"
#endif
}

void CreateFile(const base::FilePath& path) {
#if defined(OS_POSIX)
  int fd = HANDLE_EINTR(creat(path.value().c_str(), 0644));
  ASSERT_GE(fd, 0) << ErrnoMessage("creat") << " " << path.value();
  ASSERT_EQ(0, IGNORE_EINTR(close(fd)))
      << ErrnoMessage("close") << " " << path.value();
#else
#error "Not implemented"
#endif
  EXPECT_TRUE(FileExists(path));
}

void CreateDirectory(const base::FilePath& path) {
#if defined(OS_POSIX)
  ASSERT_EQ(0, mkdir(path.value().c_str(), 0755))
      << ErrnoMessage("mkdir") << " " << path.value();
#else
#error "Not implemented"
#endif
  ASSERT_TRUE(FileExists(path));
}

TEST(ScopedTempDir, Empty) {
  base::FilePath path;
  {
    ScopedTempDir dir;
    path = dir.path();
    EXPECT_TRUE(FileExists(path));
  }
  EXPECT_FALSE(FileExists(path));
}

TEST(ScopedTempDir, WithTwoFiles) {
  base::FilePath parent, file1, file2;

  {
    ScopedTempDir dir;
    parent = dir.path();
    ASSERT_TRUE(FileExists(parent));

    file1 = parent.Append("test1");
    CreateFile(file1);

    file2 = parent.Append("test 2");
    CreateFile(file2);
  }

  EXPECT_FALSE(FileExists(file1));
  EXPECT_FALSE(FileExists(file2));
  EXPECT_FALSE(FileExists(parent));
}

TEST(ScopedTempDir, WithRecursiveDirectory) {
  base::FilePath parent, file1, child_dir, file2;

  {
    ScopedTempDir dir;
    parent = dir.path();
    ASSERT_TRUE(FileExists(parent));

    file1 = parent.Append(".first-level file");
    CreateFile(file1);

    child_dir = parent.Append("subdir");
    CreateDirectory(child_dir);

    file2 = child_dir.Append("second level file");
    CreateFile(file2);
  }

  EXPECT_FALSE(FileExists(file1));
  EXPECT_FALSE(FileExists(file2));
  EXPECT_FALSE(FileExists(child_dir));
  EXPECT_FALSE(FileExists(parent));
}

}  // namespace
}  // namespace test
}  // namespace crashpad