1 files changed, 120 insertions, 0 deletions
diff --git a/src/test/test_random_string.cc b/src/test/test_random_string.cc
new file mode 100644
index 000000000..fa198a346
--- /dev/null
+++ b/src/test/test_random_string.cc
@@ -0,0 +1,120 @@
+// -*- 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) 2019 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 "common/random_string.h"
+#include "common/ceph_context.h"
+#include "global/global_context.h"
+#include <gtest/gtest.h>
+
+inline bool is_alphanumeric_lower(char c) {
+  return std::islower(c) || std::isdigit(c);
+}
+inline bool is_alphanumeric_upper(char c) {
+  return std::isupper(c) || std::isdigit(c);
+}
+inline bool is_alphanumeric_plain(char c) {
+  return std::islower(c) || std::isupper(c) || std::isdigit(c);
+}
+inline bool is_alphanumeric_no_underscore(char c) {
+  return is_alphanumeric_plain(c) || c == '-' || c == '.';
+}
+inline bool is_alphanumeric(char c) {
+  return is_alphanumeric_plain(c) || c == '-' || c == '_';
+}
+inline bool is_base64(char c) {
+  return is_alphanumeric_plain(c) || c == '+' || c == '/';
+}
+
+TEST(RandomString, base64)
+{
+  char arr[65] = {};
+  ASSERT_EQ(0, gen_rand_base64(g_ceph_context, arr, sizeof(arr)));
+  EXPECT_EQ(0, arr[64]); // must be null terminated
+  EXPECT_TRUE(std::all_of(arr, arr + 64, is_base64));
+}
+
+TEST(RandomString, alphanumeric)
+{
+  char arr[65] = {};
+  gen_rand_alphanumeric(g_ceph_context, arr, sizeof(arr));
+  EXPECT_EQ(0, arr[64]);
+  EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric));
+}
+
+TEST(RandomString, alphanumeric_string)
+{
+  std::string str = gen_rand_alphanumeric(g_ceph_context, 64);
+  EXPECT_EQ(64, str.size());
+  EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric));
+}
+
+TEST(RandomString, alphanumeric_lower)
+{
+  char arr[65] = {};
+  gen_rand_alphanumeric_lower(g_ceph_context, arr, sizeof(arr));
+  EXPECT_EQ(0, arr[64]);
+  EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric_lower));
+}
+
+TEST(RandomString, alphanumeric_lower_string)
+{
+  std::string str = gen_rand_alphanumeric_lower(g_ceph_context, 64);
+  EXPECT_EQ(64, str.size());
+  EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric_lower));
+}
+
+TEST(RandomString, alphanumeric_upper)
+{
+  char arr[65] = {};
+  gen_rand_alphanumeric_upper(g_ceph_context, arr, sizeof(arr));
+  EXPECT_EQ(0, arr[64]);
+  EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric_upper));
+}
+
+TEST(RandomString, alphanumeric_upper_string)
+{
+  std::string str = gen_rand_alphanumeric_upper(g_ceph_context, 64);
+  EXPECT_EQ(64, str.size());
+  EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric_upper));
+}
+
+TEST(RandomString, alphanumeric_no_underscore)
+{
+  char arr[65] = {};
+  gen_rand_alphanumeric_no_underscore(g_ceph_context, arr, sizeof(arr));
+  EXPECT_EQ(0, arr[64]);
+  EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric_no_underscore));
+}
+
+TEST(RandomString, alphanumeric_no_underscore_string)
+{
+  std::string str = gen_rand_alphanumeric_no_underscore(g_ceph_context, 64);
+  EXPECT_EQ(64, str.size());
+  EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric_no_underscore));
+}
+
+TEST(RandomString, alphanumeric_plain)
+{
+  char arr[65] = {};
+  gen_rand_alphanumeric_plain(g_ceph_context, arr, sizeof(arr));
+  EXPECT_EQ(0, arr[64]);
+  EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric_plain));
+}
+
+TEST(RandomString, alphanumeric_plain_string)
+{
+  std::string str = gen_rand_alphanumeric_plain(g_ceph_context, 64);
+  EXPECT_EQ(64, str.size());
+  EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric_plain));
+}