package backend import "testing" func TestSimulatedBackendStartAndStop(t *testing.T) { backend, err := NewSimulatedBackend() if err != nil { t.Fatalf("Could not create a new simulated backedn %v", err) } if err := backend.InitializeChain(); err != nil { t.Fatalf("Could not initialize simulated backend %v", err) } if err := backend.Shutdown(); err != nil { t.Errorf("Could not successfully shutdown simulated backend %v", err) } } func TestGenerateBlocks(t *testing.T) { backend, err := NewSimulatedBackend() if err != nil { t.Fatalf("Could not create a new simulated backedn %v", err) } if err := backend.InitializeChain(); err != nil { t.Fatalf("Could not initialize simulated backend %v", err) } slotLimit := 250 for i := 0; i < slotLimit; i++ { if err := backend.GenerateBlockAndAdvanceChain(&SimulatedObjects{}); err != nil { t.Fatalf("Could not generate block and transition state successfully %v for slot %d", err, backend.state.Slot+1) } if backend.inMemoryBlocks[len(backend.inMemoryBlocks)-1].Slot != backend.state.Slot { t.Errorf("In memory Blocks do not have the same last slot as the state, expected %d but got %d", backend.state.Slot, backend.inMemoryBlocks[len(backend.inMemoryBlocks)-1]) } } if backend.state.Slot != uint64(slotLimit) { t.Errorf("Unequal state slot and expected slot %d %d", backend.state.Slot, slotLimit) } } func TestGenerateNilBlocks(t *testing.T) { backend, err := NewSimulatedBackend() if err != nil { t.Fatalf("Could not create a new simulated backedn %v", err) } if err := backend.InitializeChain(); err != nil { t.Fatalf("Could not initialize simulated backend %v", err) } slotLimit := 100 for i := 0; i < slotLimit; i++ { if err := backend.GenerateNilBlockAndAdvanceChain(); err != nil { t.Fatalf("Could not generate block and transition state successfully %v for slot %d", err, backend.state.Slot+1) } } if backend.state.Slot != uint64(slotLimit) { t.Errorf("Unequal state slot and expected slot %d %d", backend.state.Slot, slotLimit) } }