src/kernel/routing/FatTreeZone_test.cpp

   1 /* Copyright (c) 2017-2021. The SimGrid Team. All rights reserved.               */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "catch.hpp"
   7
   8 #include "simgrid/kernel/routing/FatTreeZone.hpp"
   9 #include "simgrid/kernel/routing/NetPoint.hpp"
  10 #include "simgrid/s4u/Engine.hpp"
  11 #include "simgrid/s4u/Host.hpp"
  12 #include "simgrid/s4u/NetZone.hpp"
  13
  14 namespace {
  15 class EngineWrapper {
  16 public:
  17   explicit EngineWrapper(std::string name) : argv(&name[0]), e(&argc, &argv) {}
  18   int argc = 1;
  19   char* argv;
  20   simgrid::s4u::Engine e;
  21 };
  22
  23 std::pair<simgrid::kernel::routing::NetPoint*, simgrid::kernel::routing::NetPoint*>
  24 create_host(simgrid::s4u::NetZone* zone, const std::vector<unsigned int>& /*coord*/, int id)
  25 {
  26   const simgrid::s4u::Host* host = zone->create_host(std::to_string(id), 1e9)->seal();
  27   return std::make_pair(host->get_netpoint(), nullptr);
  28 }
  29 } // namespace
  30
  31 TEST_CASE("kernel::routing::FatTreeZone: Creating Zone", "")
  32 {
  33   using namespace simgrid::s4u;
  34   EngineWrapper e("test");
  35   ClusterCallbacks callbacks(create_host);
  36   REQUIRE(create_fatTree_zone("test", e.e.get_netzone_root(), {2, {4, 4}, {1, 2}, {1, 2}}, callbacks, 1e9, 10,
  37                               simgrid::s4u::Link::SharingPolicy::SHARED));
  38 }
  39
  40 TEST_CASE("kernel::routing::FatTreeZone: Invalid params", "")
  41 {
  42   using namespace simgrid::s4u;
  43   EngineWrapper e("test");
  44   ClusterCallbacks callbacks(create_host);
  45
  46   SECTION("0 levels")
  47   {
  48     REQUIRE_THROWS_AS(create_fatTree_zone("test", e.e.get_netzone_root(), {0, {4, 4}, {1, 2}, {1, 2}}, callbacks, 1e9,
  49                                           10, simgrid::s4u::Link::SharingPolicy::SHARED),
  50                       std::invalid_argument);
  51   }
  52
  53   SECTION("Invalid down links")
  54   {
  55     REQUIRE_THROWS_AS(create_fatTree_zone("test", e.e.get_netzone_root(), {2, {4}, {1, 2}, {1, 2}}, callbacks, 1e9, 10,
  56                                           simgrid::s4u::Link::SharingPolicy::SHARED),
  57                       std::invalid_argument);
  58   }
  59
  60   SECTION("Invalid up links")
  61   {
  62     REQUIRE_THROWS_AS(create_fatTree_zone("test", e.e.get_netzone_root(), {2, {4, 4}, {1}, {1, 2}}, callbacks, 1e9, 10,
  63                                           simgrid::s4u::Link::SharingPolicy::SHARED),
  64                       std::invalid_argument);
  65   }
  66
  67   SECTION("Invalid link count")
  68   {
  69     REQUIRE_THROWS_AS(create_fatTree_zone("test", e.e.get_netzone_root(), {2, {4, 4}, {1, 2}, {1}}, callbacks, 1e9, 10,
  70                                           simgrid::s4u::Link::SharingPolicy::SHARED),
  71                       std::invalid_argument);
  72   }
  73
  74   SECTION("Down links with zeroes")
  75   {
  76     REQUIRE_THROWS_AS(create_fatTree_zone("test", e.e.get_netzone_root(), {2, {4, 0}, {1, 2}, {1, 2}}, callbacks, 1e9,
  77                                           10, simgrid::s4u::Link::SharingPolicy::SHARED),
  78                       std::invalid_argument);
  79   }
  80
  81   SECTION("Up links with zeroes")
  82   {
  83     REQUIRE_THROWS_AS(create_fatTree_zone("test", e.e.get_netzone_root(), {2, {4, 4}, {0, 2}, {1, 2}}, callbacks, 1e9,
  84                                           10, simgrid::s4u::Link::SharingPolicy::SHARED),
  85                       std::invalid_argument);
  86   }
  87
  88   SECTION("Link count with zeroes")
  89   {
  90     REQUIRE_THROWS_AS(create_fatTree_zone("test", e.e.get_netzone_root(), {2, {4, 4}, {1, 2}, {1, 0}}, callbacks, 1e9,
  91                                           10, simgrid::s4u::Link::SharingPolicy::SHARED),
  92                       std::invalid_argument);
  93   }
  94
  95   SECTION("0 bandwidth")
  96   {
  97     REQUIRE_THROWS_AS(create_fatTree_zone("test", e.e.get_netzone_root(), {2, {4, 4}, {1, 2}, {1, 2}}, callbacks, 0, 10,
  98                                           simgrid::s4u::Link::SharingPolicy::SHARED),
  99                       std::invalid_argument);
 100   }
 101
 102   SECTION("Negative latency")
 103   {
 104     REQUIRE_THROWS_AS(create_fatTree_zone("test", e.e.get_netzone_root(), {2, {4, 4}, {1, 2}, {1, 2}}, callbacks, 1e9,
 105                                           -10, simgrid::s4u::Link::SharingPolicy::SHARED),
 106                       std::invalid_argument);
 107   }
 108 }