1 files changed, 197 insertions, 0 deletions
diff --git a/src/test/client/alternate_name.cc b/src/test/client/alternate_name.cc
new file mode 100644
index 000000000..7671eff9a
--- /dev/null
+++ b/src/test/client/alternate_name.cc
@@ -0,0 +1,197 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2021 Red Hat
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#include <errno.h>
+
+#include <iostream>
+#include <string>
+
+#include <fmt/format.h>
+
+#include "test/client/TestClient.h"
+
+TEST_F(TestClient, AlternateNameRemount) {
+  auto altname = std::string("foo");
+  auto dir = fmt::format("{}_{}", ::testing::UnitTest::GetInstance()->current_test_info()->name(), getpid());
+  ASSERT_EQ(0, client->mkdir(dir.c_str(), 0777, myperm, altname));
+
+  client->unmount();
+  TearDown();
+  SetUp();
+  client->mount("/", myperm, true);
+
+  {
+    Client::walk_dentry_result wdr;
+    ASSERT_EQ(0, client->walk(dir.c_str(), &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, altname);
+  }
+
+  ASSERT_EQ(0, client->rmdir(dir.c_str(), myperm));
+}
+
+
+TEST_F(TestClient, AlternateNameMkdir) {
+  auto dir = fmt::format("{}_{}", ::testing::UnitTest::GetInstance()->current_test_info()->name(), getpid());
+  ASSERT_EQ(0, client->mkdir(dir.c_str(), 0777, myperm, "foo"));
+
+  {
+    Client::walk_dentry_result wdr;
+    ASSERT_EQ(0, client->walk(dir.c_str(), &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, "foo"s);
+  }
+
+  ASSERT_EQ(0, client->rmdir(dir.c_str(), myperm));
+}
+
+TEST_F(TestClient, AlternateNameLong) {
+  auto altname = std::string(4096+1024, '-');
+  auto dir = fmt::format("{}_{}", ::testing::UnitTest::GetInstance()->current_test_info()->name(), getpid());
+  ASSERT_EQ(0, client->mkdir(dir.c_str(), 0777, myperm, altname));
+
+  {
+    Client::walk_dentry_result wdr;
+    ASSERT_EQ(0, client->walk(dir.c_str(), &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, altname);
+  }
+
+  ASSERT_EQ(0, client->rmdir(dir.c_str(), myperm));
+}
+
+TEST_F(TestClient, AlternateNameCreat) {
+  auto altname = std::string("foo");
+  auto file = fmt::format("{}_{}", ::testing::UnitTest::GetInstance()->current_test_info()->name(), getpid());
+  int fd = client->open(file.c_str(), O_CREAT|O_WRONLY, myperm, 0777, altname);
+  ASSERT_LE(0, fd);
+  ASSERT_EQ(3, client->write(fd, "baz", 3, 0));
+  ASSERT_EQ(0, client->close(fd));
+
+  {
+    Client::walk_dentry_result wdr;
+    ASSERT_EQ(0, client->walk(file, &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, altname);
+  }
+}
+
+TEST_F(TestClient, AlternateNameSymlink) {
+  auto altname = std::string("foo");
+  auto file = fmt::format("{}_{}", ::testing::UnitTest::GetInstance()->current_test_info()->name(), getpid());
+  int fd = client->open(file.c_str(), O_CREAT|O_WRONLY, myperm, 0777, altname);
+  ASSERT_LE(0, fd);
+  ASSERT_EQ(3, client->write(fd, "baz", 3, 0));
+  ASSERT_EQ(0, client->close(fd));
+
+  auto file2 = file+"2";
+  auto altname2 = altname+"2";
+  ASSERT_EQ(0, client->symlink(file.c_str(), file2.c_str(), myperm, altname2));
+
+  {
+    Client::walk_dentry_result wdr;
+    ASSERT_EQ(0, client->walk(file2, &wdr, myperm, false));
+    ASSERT_EQ(wdr.alternate_name, altname2);
+    ASSERT_EQ(0, client->walk(file, &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, altname);
+  }
+}
+
+TEST_F(TestClient, AlternateNameRename) {
+  auto altname = std::string("foo");
+  auto file = fmt::format("{}_{}", ::testing::UnitTest::GetInstance()->current_test_info()->name(), getpid());
+  int fd = client->open(file.c_str(), O_CREAT|O_WRONLY, myperm, 0777, altname);
+  ASSERT_LE(0, fd);
+  ASSERT_EQ(3, client->write(fd, "baz", 3, 0));
+  ASSERT_EQ(0, client->close(fd));
+
+  auto file2 = file+"2";
+  auto altname2 = altname+"2";
+
+  ASSERT_EQ(0, client->rename(file.c_str(), file2.c_str(), myperm, altname2));
+
+  {
+    Client::walk_dentry_result wdr;
+    ASSERT_EQ(0, client->walk(file2, &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, altname2);
+  }
+}
+
+TEST_F(TestClient, AlternateNameRenameExistMatch) {
+  auto altname = std::string("foo");
+  auto file = fmt::format("{}_{}", ::testing::UnitTest::GetInstance()->current_test_info()->name(), getpid());
+  int fd = client->open(file.c_str(), O_CREAT|O_WRONLY, myperm, 0777, altname);
+  ASSERT_LE(0, fd);
+  ASSERT_EQ(3, client->write(fd, "baz", 3, 0));
+  ASSERT_EQ(0, client->close(fd));
+
+  auto file2 = file+"2";
+  auto altname2 = altname+"2";
+
+  fd = client->open(file2.c_str(), O_CREAT|O_WRONLY, myperm, 0777, altname2);
+  ASSERT_LE(0, fd);
+  ASSERT_EQ(3, client->write(fd, "baz", 3, 0));
+  ASSERT_EQ(0, client->close(fd));
+
+  ASSERT_EQ(0, client->rename(file.c_str(), file2.c_str(), myperm, altname2));
+
+  {
+    Client::walk_dentry_result wdr;
+    ASSERT_EQ(0, client->walk(file2, &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, altname2);
+  }
+}
+
+TEST_F(TestClient, AlternateNameRenameExistMisMatch) {
+  auto altname = std::string("foo");
+  auto file = fmt::format("{}_{}", ::testing::UnitTest::GetInstance()->current_test_info()->name(), getpid());
+  int fd = client->open(file.c_str(), O_CREAT|O_WRONLY, myperm, 0777, altname);
+  ASSERT_LE(0, fd);
+  ASSERT_EQ(3, client->write(fd, "baz", 3, 0));
+  ASSERT_EQ(0, client->close(fd));
+
+  auto file2 = file+"2";
+  auto altname2 = altname+"2";
+
+  fd = client->open(file2.c_str(), O_CREAT|O_WRONLY, myperm, 0777, altname+"mismatch");
+  ASSERT_LE(0, fd);
+  ASSERT_EQ(3, client->write(fd, "baz", 3, 0));
+  ASSERT_EQ(0, client->close(fd));
+
+  ASSERT_EQ(-EINVAL, client->rename(file.c_str(), file2.c_str(), myperm, altname2));
+
+  {
+    Client::walk_dentry_result wdr;
+    ASSERT_EQ(0, client->walk(file2, &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, altname+"mismatch");
+  }
+}
+
+TEST_F(TestClient, AlternateNameLink) {
+  auto altname = std::string("foo");
+  auto file = fmt::format("{}_{}", ::testing::UnitTest::GetInstance()->current_test_info()->name(), getpid());
+  int fd = client->open(file.c_str(), O_CREAT|O_WRONLY, myperm, 0777, altname);
+  ASSERT_LE(0, fd);
+  ASSERT_EQ(3, client->write(fd, "baz", 3, 0));
+  ASSERT_EQ(0, client->close(fd));
+
+  auto file2 = file+"2";
+  auto altname2 = altname+"2";
+
+  ASSERT_EQ(0, client->link(file.c_str(), file2.c_str(), myperm, altname2));
+
+  {
+    Client::walk_dentry_result wdr;
+    ASSERT_EQ(0, client->walk(file2, &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, altname2);
+    ASSERT_EQ(0, client->walk(file, &wdr, myperm));
+    ASSERT_EQ(wdr.alternate_name, altname);
+  }
+}