filesystem/tests/scoped_temp_dir_unittest.cc

// Copyright 2016 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "filesystem/scoped_temp_dir.h"
#include "filesystem/directory.h"
#include "filesystem/path.h"
#include "gtest/gtest.h"

namespace filesystem {

TEST(ScopedTempDir, Creation) {
  ScopedTempDir dir;

  EXPECT_TRUE(IsDirectory(dir.path()));
}

TEST(ScopedTempDir, Deletion) {
  std::string path;
  {
    ScopedTempDir dir;
    path = dir.path();
  }

  EXPECT_FALSE(IsDirectory(path));
}

TEST(ScopedTempDir, NewTempFile) {
  ScopedTempDir dir;
  std::string path;
  EXPECT_TRUE(dir.NewTempFile(&path));
  EXPECT_FALSE(path.empty());
}

TEST(ScopedTempDir, CustomParent) {
  ScopedTempDir root_dir;
  std::string parent = root_dir.path() + "/a/b/c";
  std::string path;
  {
    ScopedTempDir dir(parent);
    path = dir.path();
    EXPECT_TRUE(IsDirectory(path));
    EXPECT_EQ(path.substr(0, parent.size()), parent);
    EXPECT_NE("temp_dir_XXXXXX", GetBaseName(path));

    // Regression test - don't create temp_dir_XXXXXX dir next to the temp one.
    EXPECT_FALSE(
        files::IsDirectory(GetDirectoryName(path) + "/temp_dir_XXXXXX"));
  }

  // Verify that the tmp directory itself was deleted, but not the parent.
  EXPECT_FALSE(IsDirectory(path));
  EXPECT_TRUE(IsDirectory(parent));
}

}  // namespace filesystem