github.com/prysmaticlabs/prysm@v1.4.4/beacon-chain/state/stategen/hot_state_cache_test.go (about)

     1  package stategen
     2  
     3  import (
     4  	"testing"
     5  
     6  	iface "github.com/prysmaticlabs/prysm/beacon-chain/state/interface"
     7  	"github.com/prysmaticlabs/prysm/beacon-chain/state/v1"
     8  	pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
     9  	"github.com/prysmaticlabs/prysm/shared/testutil/assert"
    10  	"github.com/prysmaticlabs/prysm/shared/testutil/require"
    11  )
    12  
    13  func TestHotStateCache_RoundTrip(t *testing.T) {
    14  	c := newHotStateCache()
    15  	root := [32]byte{'A'}
    16  	state := c.get(root)
    17  	assert.Equal(t, iface.BeaconState(nil), state)
    18  	assert.Equal(t, false, c.has(root), "Empty cache has an object")
    19  
    20  	state, err := v1.InitializeFromProto(&pb.BeaconState{
    21  		Slot: 10,
    22  	})
    23  	require.NoError(t, err)
    24  
    25  	c.put(root, state)
    26  	assert.Equal(t, true, c.has(root), "Empty cache does not have an object")
    27  
    28  	res := c.get(root)
    29  	assert.NotNil(t, state)
    30  	assert.DeepEqual(t, res.CloneInnerState(), state.CloneInnerState(), "Expected equal protos to return from cache")
    31  
    32  	c.delete(root)
    33  	assert.Equal(t, false, c.has(root), "Cache not supposed to have the object")
    34  }