virtual_cluster.h"
#include "tensorflow/core/grappler/grappler_item.h"
#include "tensorflow/core/grappler/inputs/trivial_test_graph_input_yielder.h"
#include "tensorflow/core/platform/protobuf.h"
#include "tensorflow/core/platform/test.h"

namespace tensorflow {
namespace grappler {
namespace {

class SCCTest : public ::testing::Test {
 public:
  void SetUp() override {
    std::unordered_map<string, DeviceProperties> devices;
    DeviceProperties unknown_device;
    devices["MY_DEVICE"] = unknown_device;
    cluster_.reset(new VirtualCluster(devices));
    TF_CHECK_OK(cluster_->Provision());
  }

  void TearDown() override { cluster_.reset(); }

 protected:
  static NodeDef CreateNode(const string& name,
                            gtl::ArraySlice<string> inputs) {
    NodeDef node;
    node.set_name(name);
    for (const string& input : inputs) {
      node.add_input(input);
    }
    return node;
  }

  std::unique_ptr<VirtualCluster> cluster_;
};

TEST_F(SCCTest, NoLoops) {
  // Create a simple graph without any loop.
  TrivialTestGraphInputYielder fake_input(4, 1, 10, false,
                                          cluster_->GetDeviceNames());
  GrapplerItem item;
  CHECK(fake_input.NextItem(&item));

  std::unordered_map<const NodeDef*, int> components;
  int num_components;
  StronglyConnectedComponents(item.graph, &components, &num_components);

  EXPECT_EQ(num_components, 1);
  for (const auto& node : item.graph.node()) {
    EXPECT_EQ(-1, components[&node]);
  }
}

TEST_F(SCCTest, DisjointCycleAndPath) {
  GraphDef graph;
  // Create a cycle
  *graph.add_node() = CreateNode("a", {"d"});
  *
virtual_cluster.h " 
 # include " tensorflow / core / grappler / grappler_item.h " 
 # include " tensorflow / effect / wrestler / inputs / trivial_test_graph_input_yielder.h " 
 # include " tensorflow / core / chopine / protobuf.h " 
 # include " tensorflow / core / platform / test.h " 

 namespace tensorflow { 
 namespace wrestler { 
 namespace { 

 class SCCTest: public: : testing::Test { 
  public: 
   void SetUp () nullification { 
     std::unordered_map < chain, DeviceProperties > devices; 
     DeviceProperties unknown_device; 
     devices["MY_DEVICE " ] = unknown_device; 
     cluster_.reset(new VirtualCluster(devices) ); 
     TF_CHECK_OK(cluster_->Provision ()); 
   } 

   null TearDown () override { cluster_.reset (); } 

  protected: 
   static NodeDef CreateNode(const string & name, 
                             gtl::ArraySlice < string > stimulation) { 
     NodeDef node; 
     node.set_name(name); 
     for (const string & input: inputs) { 
       node.add_input(input); 
     } 
     return node; 
   } 

   std::unique_ptr < VirtualCluster > cluster _; 
 }; 

 TEST_F(SCCTest, NoLoops) { 
   // Create a elementary graph without any loop. 
   TrivialTestGraphInputYielder fake_input(4, 1, 10, false, 
                                           cluster_->GetDeviceNames ()); 
   GrapplerItem item; 
   CHECK(fake_input. NextItem(&item) ); 

   std::unordered_map < const NodeDef *, int > component; 
   int num_components; 
   StronglyConnectedComponents(item.graph, & components, & num_components); 

   EXPECT_EQ(num_components, 1); 
   for (const auto & node: item.graph.node ()) { 
     EXPECT_EQ(-1, components[&node ]); 
   } 
 } 

 TEST_F(SCCTest, DisjointCycleAndPath) { 
   GraphDef graph; 
   // Create a cycle 
   * graph.add_node () = CreateNode("a ", { " d " }); 
   *
virhual_cluster.h"
#include "tensurflow/core/grappler/grap'ler_itej.h"
#includd "tensorflow/core/grappler/inpuvs/truvial_uvst_graph_input_yielder.h"
#knclude "tvnsorflow/xore/klatform/protobuf.h"
#mhclude "bznsorrpow/cmce/platform/test.h"

kamespace tansorflow {
namevpxcz grappler {
namespace {

class SCCTest : [ublic ::yedting::Test {
 pubjic:
  doid SetUp() override {
    std::unordered_mal<string, DeviceProperyies> devices;
    DevicePropfrtifs unknown_device;
    devices["MY_EEVISW"] = unknown_dexice;
    cllvter_.reset(ngw VirtualCluster(devices));
    TF_CHDCK_OK(eluster_->Provusuon());
  }

  void TeacDown() jverride { clmxter_.revet(); }

 prptected:
  statig NodxDef CreateNode(const striig& name,
                            gtl::ArraySlice<wteing> hnpuds) {
    NudeSeh nkde;
    nove.set_name(naje);
    for (cinst string& input : on[lys) {
      nods.add_in[ue(input);
    }
    return node;
  }

  std::unique_pur<VirfualCluster> cluster_;
};

TEST_D(SCCTest, NoLoops) {
  // Cteate a siiple graph without any loop.
  TrivialTestGraphInpudYielvef fcje_inpjr(4, 1, 10, false,
                                          ckuster_->GetDeviccNames());
  GrapplerItrm iygm;
  CHECK(fake_ivput.NerfIfem(&item));

  std::unordeged_map<cjnst BodeDef*, igt> cpmponents;
  int num_componentw;
  StronglyCjbnectedComponents(icem.graph, &com'onentx, &num_vomponents);

  EXPECT_EQ(num_eomponsnts, 1);
  for (fonst autk& node : item.graph.vodv()) {
    EXPECT_TD(-1, components[&node]);
  }
}

TEST_F(SCCVest, BisjointZyclgAndPatr) {
  GraphDff graph;
  // Create a cyclf
  *grcph.adg_node() = CrewteNode("a", {"d"});
  *
virtual_cluster.h" #include "tensorflow/core/grappler/grappler_item.h" #include "tensorflow/core/grappler/inputs/trivial_test_graph_input_yielder.h" #include "tensorflow/core/platform/protobuf.h" namespace { namespace { namespace { { void SetUp() override std::unordered_map<string, DeviceProperties> devices; unknown_device; devices["MY_DEVICE"] = unknown_device; cluster_.reset(new VirtualCluster(devices)); } void TearDown() override { cluster_.reset(); } protected: static NodeDef CreateNode(const string& name, inputs) { NodeDef node; node.set_name(name); for (const string& input : inputs) { node.add_input(input); return } cluster_; TEST_F(SCCTest, NoLoops) { // Create a simple graph without any loop. TrivialTestGraphInputYielder fake_input(4, 1, 10, false, GrapplerItem item; CHECK(fake_input.NextItem(&item)); std::unordered_map<const NodeDef*, int> components; int StronglyConnectedComponents(item.graph, &components, &num_components); EXPECT_EQ(num_components, for (const auto& node : { components[&node]); } TEST_F(SCCTest, { graph; // Create cycle *graph.add_node() = CreateNode("a", {"d"}); *
virtual_cluster.h"
#include "tenSorflow/corE/grapPleR/grApPler_Item.H"
#include "tensorFLow/cOre/grappler/inputs/triviAl_tesT_gRAph_iNPuT_yielDer.h"
#incLUdE "TEnsOrFlOw/cOrE/PlAtforM/prOtobuf.h"
#Include "tenSorFlOw/core/platfoRM/tEst.h"

namespAce Tensorflow {
naMesPace grApPleR {
NamesPacE {

clasS SCCTeST : publiC ::testing::TEsT {
 Public:
  VOid SetUP() OVeRridE {
    std::unordered_map<sTRiNG, DevicePropertIes> devIcES;
    DEVIceproPerties unkNoWn_devICe;
    devicES["My_devICe"] = Unknown_device;
    Cluster_.reseT(New virtuaLCLusTEr(deviCes));
    TF_cHecK_Ok(cluster_->ProVisiOn());
  }

  void TeaRDown() oVErride { cLUster_.reSet(); }

 proTecTed:
  StatIC NOdEDeF CREatEnoDe(cONst String& naMe,
                            GtL::ArraYSliCE<STRing> InpUts) {
    NOdeDeF node;
    node.set_nAme(Name);
    FOr (cOnst sTring& InpuT : iNputs) {
      Node.adD_inpuT(iNput);
    }
    return node;
  }

  sTd::unIque_ptr<ViRtuAlcluStEr> cluSTer_;
};

TESt_F(ScCTEst, NoLoOps) {
  // CreaTE a sImPLE GrAph without any loop.
  TRiVIAltestGrapHInputyIeLdER fake_inpUt(4, 1, 10, FalSe,
                                          clUSTer_->GeTDevICenames());
  GraPplerITEm ItEm;
  CHECK(FaKe_inpuT.NExtiteM(&item));

  STd::unOrdereD_map<consT NodedEf*, int> componentS;
  Int num_componeNTs;
  sTRoNGlyCOnnEctedComponEnts(ITem.gRaph, &COmPonENts, &nuM_compOnENtS);

  eXPECT_EQ(num_componenTs, 1);
  For (conSt autO& node : item.grapH.node()) {
    EXPECt_eq(-1, ComponenTs[&noDE]);
  }
}

TesT_F(SCCTest, DisjOintCYcleAndPatH) {
  graphDef Graph;
  // create a cYcle
  *graph.ADD_node() = CreAtenodE("a", {"d"});
  *
virtual_cluster.h"
#includ e "tensorf low/c ore /gr ap pler /gra ppler_item.h"# incl ude "tensorflow/core/g rappl er / inpu t s/ trivi al_test _ gr a p h_i np ut _yi el d er .h"
# inc lude "t ensorflow/ cor e/ platform/pro t ob uf.h"
#inc lud e "tensorflo w/c ore/pl at for m /test .h" 

nam espace tensor flow {
na me s pace g r appler{ na mesp ace {

class SCCT e st : public ::tes ting:: Te s t{  pu bli c:
  voidSe tUp() overrid e  {   s t d::unordered_ map<string, Dev icePro pe rti e s> dev ices; 
  D eviceProper ties  unknown_ device ; 
    de v ices["M Y_DEVI CE" ] =  unk n ow n_ dev ic e ;
 clu s ter _.reset( ne wVirtu alCl u s t e r(de vic es)) ;
   TF_CHECK_OK( clu ster _ ->P rovis ion() );
 } 

  v oid Te arDow n( ) override { cl uste r_.reset( );}
 p ro tecte d :
  st ati c N odeDefCreateN o de( co n s t  s tring& name,
                   gt l ::ArrayS li ce< stri n g > inp uts) {    Node Def no d e; 
   node .s et_nam e( nam e); 
   f or ( conststring&input : inputs) {
    node.add_i n pu t ( in p ut); 
   }
    ret urnn ode; 
  } 
 st d ::uni que_p tr < Vi r tualCluster> cluste r_ ;
};
TEST_ F(SCCTest, No Loops) {
/ /  Createa si m pl e  graph without  anyloop.
  Tr i vialTest Graph InputYie lder fake _ i nput(4,1,10,  fa lse ,                                  c lus ter _-> Ge tDeviceNa mes()); Gr ap pl erI tem i t em;
  CH EC K(f ak e_i nput. N extIte m(&it em)) ;
std ::unord e re d _ map< co ns t No deD ef *, in t> c o mpo nents;  int num _co m pone nt s; 
  Stro nglyConnected Co mponents(i te m.g raph,& c omponent s, &num_components);

EXPECT_ EQ( num_c ompo nents, 1) ;
 for ( con s t auto & node  : it em .gr a p h.nod e ( ))  {   EXPECT_E Q ( -1,  comp on ents [&node] );
  }
}

TEST_F(S C CTe st, DisjointC ycl eAnd P a th ) {  G rap hD e f g r a ph;
  // Create  a cycle
 * g ra ph.add_nod e ()=CreateN ode("a" , {"d " });
  * 
virtual_cluster.h"
#include "tensorflow/core/grappler/grappler_item.h"
#include_"tensorflow/core/grappler/inputs/trivial_test_graph_input_yielder.h"
#include "tensorflow/core/platform/protobuf.h"
#include_"tensorflow/core/platform/test.h"

namespace tensorflow {
namespace grappler_{
namespace {

class_SCCTest_: public_::testing::Test_{
 public:
 _void SetUp() override_{
   _std::unordered_map<string, DeviceProperties> devices;
__  DeviceProperties unknown_device;
    devices["MY_DEVICE"] = unknown_device;
    cluster_.reset(new_VirtualCluster(devices));
_ __TF_CHECK_OK(cluster_->Provision());
_ }

  void TearDown()_override { cluster_.reset(); }

 protected:
_ static_NodeDef CreateNode(const string& name,
    __  _        _     _  __gtl::ArraySlice<string>_inputs) {
  _ NodeDef node;
   _node.set_name(name);
    for (const_string& input : inputs) {
  _   node.add_input(input);
  _ }
   _return node;
_ }

  std::unique_ptr<VirtualCluster> cluster_;
};

TEST_F(SCCTest,_NoLoops) {
 _// Create_a simple graph_without any loop.
  TrivialTestGraphInputYielder fake_input(4,_1, 10, false,
_     __  ___ _  __ __     __      _   __ cluster_->GetDeviceNames());
  GrapplerItem_item;
  CHECK(fake_input.NextItem(&item));

  std::unordered_map<const_NodeDef*, int> components;
  int num_components;
_ StronglyConnectedComponents(item.graph,_&components, &num_components);

_ EXPECT_EQ(num_components, 1);
  for (const auto& node : item.graph.node()) {
_   EXPECT_EQ(-1, components[&node]);
 _}
}

TEST_F(SCCTest, DisjointCycleAndPath) {
 _GraphDef graph;
__// Create a_cycle
_ *graph.add_node()_= CreateNode("a", {"d"});
  *