git.m6w6.name Git - m6w6/libmemcached/blob - test/lib/common.hpp

   1 #pragma once
   2
   3 #include <chrono>
   4 #include <iostream>
   5 #include <map>
   6 #include <optional>
   7 #include <string>
   8 #include <sstream>
   9 #include <stdexcept>
  10 #include <thread>
  11 #include <variant>
  12 #include <vector>
  13
  14 #include "test/conf.h"
  15 #include "test/lib/catch.hpp"
  16 #include "test/lib/random.hpp"
  17
  18 #include "libmemcached/memcached.h"
  19
  20 using namespace std;
  21 using socket_or_port_t = variant<string, int>;
  22
  23 /**
  24  * Useful macros for testing
  25  */
  26 #define S(s) (s),strlen(s)
  27 #define DECLARE_STREQUAL static auto strequal = equal_to<string>();
  28 #define LOOPED_SECTION(tests) \
  29   for (auto &[name, test] : tests) DYNAMIC_SECTION("test " << name)
  30 #define REQUIRE_SUCCESS(rc) do { \
  31     INFO("expected: SUCCESS");   \
  32     REQUIRE_THAT(rc, test.returns.success()); \
  33   } while(0)
  34 #define REQUIRE_RC(rc, call) do { \
  35     INFO("expected: " << memcached_strerror(nullptr, rc)); \
  36     REQUIRE_THAT(call, test.returns(rc));                  \
  37   } while(0)
  38
  39 const char *getenv_else(const char *var, const char *defval);
  40
  41 inline memcached_return_t fetch_all_results(memcached_st *memc, unsigned int &keys_returned, memcached_return_t &rc) {
  42   keys_returned = 0;
  43
  44   memcached_result_st *result = nullptr;
  45   while ((result = memcached_fetch_result(memc, result, &rc))) {
  46     REQUIRE(MEMCACHED_SUCCESS == rc);
  47     keys_returned += 1;
  48   }
  49   memcached_result_free(result);
  50   return MEMCACHED_SUCCESS;
  51 }
  52
  53 inline memcached_return_t fetch_all_results(memcached_st *memc, unsigned int &keys_returned) {
  54   memcached_return_t rc;
  55   fetch_all_results(memc, keys_returned, rc);
  56   return rc;
  57 }
  58
  59 #include <cstdlib>
  60 #include <unistd.h>
  61
  62 class Tempfile {
  63 public:
  64   explicit Tempfile(const char templ_[] = "memc.test.XXXXXX") {
  65     *copy(S(templ_)+templ_, fn) = '\0';
  66     fd = mkstemp(fn);
  67   }
  68   ~Tempfile() {
  69     close(fd);
  70     unlink(fn);
  71   }
  72   int getFd() const {
  73     return fd;
  74   }
  75   const char *getFn() const {
  76     return fn;
  77   }
  78   bool put(const char *buf, size_t len) const {
  79     return static_cast<ssize_t >(len) == write(fd, buf, len);
  80   }
  81 private:
  82   char fn[80];
  83   int fd;
  84 };
  85
  86 class MemcachedPtr {
  87 public:
  88   memcached_st *memc;
  89
  90   explicit
  91   MemcachedPtr(memcached_st *memc_) {
  92     memc = memc_;
  93   }
  94   MemcachedPtr()
  95   : MemcachedPtr(memcached_create(nullptr))
  96   {}
  97   ~MemcachedPtr() {
  98     memcached_free(memc);
  99   }
 100   memcached_st *operator * () const {
 101     return memc;
 102   }
 103   auto operator ->() const{
 104     return memc;
 105   }
 106 };
 107
 108 template<class T>
 109 class Malloced {
 110   T *ptr;
 111 public:
 112   explicit
 113   Malloced(T *ptr_)
 114   : ptr{ptr_}
 115   {}
 116   Malloced &operator=(T *ptr_) {
 117     if (ptr)
 118       free(ptr);
 119     ptr = ptr_;
 120     return *this;
 121   }
 122   ~Malloced() {
 123     if(ptr)
 124       free(ptr);
 125   }
 126   auto operator *() {
 127     return ptr;
 128   }
 129   auto operator ->() {
 130     return ptr;
 131   }
 132 };