ceph/src/test/test_random_string.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2019 Red Hat
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #include "common/random_string.h"
  16 #include "common/ceph_context.h"
  17 #include "global/global_context.h"
  18 #include <gtest/gtest.h>
  19
  20 inline bool is_alphanumeric_lower(char c) {
  21   return std::islower(c) || std::isdigit(c);
  22 }
  23 inline bool is_alphanumeric_upper(char c) {
  24   return std::isupper(c) || std::isdigit(c);
  25 }
  26 inline bool is_alphanumeric_plain(char c) {
  27   return std::islower(c) || std::isupper(c) || std::isdigit(c);
  28 }
  29 inline bool is_alphanumeric_no_underscore(char c) {
  30   return is_alphanumeric_plain(c) || c == '-' || c == '.';
  31 }
  32 inline bool is_alphanumeric(char c) {
  33   return is_alphanumeric_plain(c) || c == '-' || c == '_';
  34 }
  35 inline bool is_base64(char c) {
  36   return is_alphanumeric_plain(c) || c == '+' || c == '/';
  37 }
  38
  39 TEST(RandomString, base64)
  40 {
  41   char arr[65] = {};
  42   ASSERT_EQ(0, gen_rand_base64(g_ceph_context, arr, sizeof(arr)));
  43   EXPECT_EQ(0, arr[64]); // must be null terminated
  44   EXPECT_TRUE(std::all_of(arr, arr + 64, is_base64));
  45 }
  46
  47 TEST(RandomString, alphanumeric)
  48 {
  49   char arr[65] = {};
  50   gen_rand_alphanumeric(g_ceph_context, arr, sizeof(arr));
  51   EXPECT_EQ(0, arr[64]);
  52   EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric));
  53 }
  54
  55 TEST(RandomString, alphanumeric_string)
  56 {
  57   std::string str = gen_rand_alphanumeric(g_ceph_context, 64);
  58   EXPECT_EQ(64, str.size());
  59   EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric));
  60 }
  61
  62 TEST(RandomString, alphanumeric_lower)
  63 {
  64   char arr[65] = {};
  65   gen_rand_alphanumeric_lower(g_ceph_context, arr, sizeof(arr));
  66   EXPECT_EQ(0, arr[64]);
  67   EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric_lower));
  68 }
  69
  70 TEST(RandomString, alphanumeric_lower_string)
  71 {
  72   std::string str = gen_rand_alphanumeric_lower(g_ceph_context, 64);
  73   EXPECT_EQ(64, str.size());
  74   EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric_lower));
  75 }
  76
  77 TEST(RandomString, alphanumeric_upper)
  78 {
  79   char arr[65] = {};
  80   gen_rand_alphanumeric_upper(g_ceph_context, arr, sizeof(arr));
  81   EXPECT_EQ(0, arr[64]);
  82   EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric_upper));
  83 }
  84
  85 TEST(RandomString, alphanumeric_upper_string)
  86 {
  87   std::string str = gen_rand_alphanumeric_upper(g_ceph_context, 64);
  88   EXPECT_EQ(64, str.size());
  89   EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric_upper));
  90 }
  91
  92 TEST(RandomString, alphanumeric_no_underscore)
  93 {
  94   char arr[65] = {};
  95   gen_rand_alphanumeric_no_underscore(g_ceph_context, arr, sizeof(arr));
  96   EXPECT_EQ(0, arr[64]);
  97   EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric_no_underscore));
  98 }
  99
 100 TEST(RandomString, alphanumeric_no_underscore_string)
 101 {
 102   std::string str = gen_rand_alphanumeric_no_underscore(g_ceph_context, 64);
 103   EXPECT_EQ(64, str.size());
 104   EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric_no_underscore));
 105 }
 106
 107 TEST(RandomString, alphanumeric_plain)
 108 {
 109   char arr[65] = {};
 110   gen_rand_alphanumeric_plain(g_ceph_context, arr, sizeof(arr));
 111   EXPECT_EQ(0, arr[64]);
 112   EXPECT_TRUE(std::all_of(arr, arr + 64, is_alphanumeric_plain));
 113 }
 114
 115 TEST(RandomString, alphanumeric_plain_string)
 116 {
 117   std::string str = gen_rand_alphanumeric_plain(g_ceph_context, 64);
 118   EXPECT_EQ(64, str.size());
 119   EXPECT_TRUE(std::all_of(str.begin(), str.end(), is_alphanumeric_plain));
 120 }