1 files changed, 100 insertions, 0 deletions
diff --git a/test/util/fs_util_test.cc b/test/util/fs_util_test.cc
new file mode 100644
index 000000000..ce70d58aa
--- /dev/null
+++ b/test/util/fs_util_test.cc
@@ -0,0 +1,100 @@
+// Copyright 2018 Google LLC
+//
+// 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 <errno.h>
+#include <vector>
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include "test/util/fs_util.h"
+#include "test/util/posix_error.h"
+#include "test/util/temp_path.h"
+#include "test/util/test_util.h"
+
+namespace gvisor {
+namespace testing {
+
+namespace {
+
+TEST(FsUtilTest, RecursivelyCreateDirManualDelete) {
+  const TempPath root = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
+  const std::string base_path = JoinPath(root.path(), "/a/b/c/d/e/f/g/h/i/j/k/l/m");
+
+  ASSERT_THAT(Exists(base_path), IsPosixErrorOkAndHolds(false));
+  ASSERT_NO_ERRNO(RecursivelyCreateDir(base_path));
+
+  // Delete everything until we hit root and then stop, we want to try this
+  // without using RecursivelyDelete.
+  std::string cur_path = base_path;
+  while (cur_path != root.path()) {
+    ASSERT_THAT(Exists(cur_path), IsPosixErrorOkAndHolds(true));
+    ASSERT_NO_ERRNO(Rmdir(cur_path));
+    ASSERT_THAT(Exists(cur_path), IsPosixErrorOkAndHolds(false));
+    auto dir = Dirname(cur_path);
+    cur_path = std::string(dir);
+  }
+}
+
+TEST(FsUtilTest, RecursivelyCreateAndDeleteDir) {
+  const TempPath root = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
+  const std::string base_path = JoinPath(root.path(), "/a/b/c/d/e/f/g/h/i/j/k/l/m");
+
+  ASSERT_THAT(Exists(base_path), IsPosixErrorOkAndHolds(false));
+  ASSERT_NO_ERRNO(RecursivelyCreateDir(base_path));
+
+  const std::string sub_path = JoinPath(root.path(), "a");
+  ASSERT_NO_ERRNO(RecursivelyDelete(sub_path, nullptr, nullptr));
+  ASSERT_THAT(Exists(sub_path), IsPosixErrorOkAndHolds(false));
+}
+
+TEST(FsUtilTest, RecursivelyCreateAndDeletePartial) {
+  const TempPath root = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
+  const std::string base_path = JoinPath(root.path(), "/a/b/c/d/e/f/g/h/i/j/k/l/m");
+
+  ASSERT_THAT(Exists(base_path), IsPosixErrorOkAndHolds(false));
+  ASSERT_NO_ERRNO(RecursivelyCreateDir(base_path));
+
+  const std::string a = JoinPath(root.path(), "a");
+  auto listing = ASSERT_NO_ERRNO_AND_VALUE(ListDir(a, true));
+  ASSERT_THAT(listing, ::testing::Contains("b"));
+  ASSERT_EQ(listing.size(), 1);
+
+  listing = ASSERT_NO_ERRNO_AND_VALUE(ListDir(a, false));
+  ASSERT_THAT(listing, ::testing::Contains("."));
+  ASSERT_THAT(listing, ::testing::Contains(".."));
+  ASSERT_THAT(listing, ::testing::Contains("b"));
+  ASSERT_EQ(listing.size(), 3);
+
+  const std::string sub_path = JoinPath(root.path(), "/a/b/c/d/e/f");
+
+  ASSERT_NO_ERRNO(
+      CreateWithContents(JoinPath(Dirname(sub_path), "file"), "Hello World"));
+  std::string contents = "";
+  ASSERT_NO_ERRNO(GetContents(JoinPath(Dirname(sub_path), "file"), &contents));
+  ASSERT_EQ(contents, "Hello World");
+
+  ASSERT_NO_ERRNO(RecursivelyDelete(sub_path, nullptr, nullptr));
+  ASSERT_THAT(Exists(sub_path), IsPosixErrorOkAndHolds(false));
+
+  // The parent of the subpath (directory e) should still exist.
+  ASSERT_THAT(Exists(Dirname(sub_path)), IsPosixErrorOkAndHolds(true));
+
+  // The file we created along side f should also still exist.
+  ASSERT_THAT(Exists(JoinPath(Dirname(sub_path), "file")),
+              IsPosixErrorOkAndHolds(true));
+}
+}  // namespace
+
+}  // namespace testing
+}  // namespace gvisor