cosmos-sdk/testutil/sims/simulation_helpers_test.go
2023-02-08 11:32:22 +00:00

112 lines
3.0 KiB
Go

package sims
import (
"fmt"
"testing"
"cosmossdk.io/log"
"cosmossdk.io/store/metrics"
"cosmossdk.io/store/rootmulti"
dbm "github.com/cosmos/cosmos-db"
"github.com/stretchr/testify/require"
"gotest.tools/v3/assert"
"github.com/cosmos/cosmos-sdk/codec"
storetypes "cosmossdk.io/store/types"
"github.com/cosmos/cosmos-sdk/types/kv"
"github.com/cosmos/cosmos-sdk/types/simulation"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
)
func TestGetSimulationLog(t *testing.T) {
legacyAmino := codec.NewLegacyAmino()
decoders := make(simulation.StoreDecoderRegistry)
decoders[authtypes.StoreKey] = func(kvAs, kvBs kv.Pair) string { return "10" }
tests := []struct {
store string
kvPairs []kv.Pair
expectedLog string
}{
{
"Empty",
[]kv.Pair{{}},
"",
},
{
authtypes.StoreKey,
[]kv.Pair{{Key: authtypes.GlobalAccountNumberKey, Value: legacyAmino.MustMarshal(uint64(10))}},
"10",
},
{
"OtherStore",
[]kv.Pair{{Key: []byte("key"), Value: []byte("value")}},
fmt.Sprintf("store A %X => %X\nstore B %X => %X\n", []byte("key"), []byte("value"), []byte("key"), []byte("value")),
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.store, func(t *testing.T) {
require.Equal(t, tt.expectedLog, GetSimulationLog(tt.store, decoders, tt.kvPairs, tt.kvPairs), tt.store)
})
}
}
func TestDiffKVStores(t *testing.T) {
store1, store2 := initTestStores(t)
// Two equal stores
k1, v1 := []byte("k1"), []byte("v1")
store1.Set(k1, v1)
store2.Set(k1, v1)
checkDiffResults(t, store1, store2)
// delete k1 from store2, which is now empty
store2.Delete(k1)
checkDiffResults(t, store1, store2)
// set k1 in store2, different value than what store1 holds for k1
v2 := []byte("v2")
store2.Set(k1, v2)
checkDiffResults(t, store1, store2)
// add k2 to store2
k2 := []byte("k2")
store2.Set(k2, v2)
checkDiffResults(t, store1, store2)
// Reset stores
store1.Delete(k1)
store2.Delete(k1)
store2.Delete(k2)
// Same keys, different value. Comparisons will be nil as prefixes are skipped.
prefix := []byte("prefix:")
k1Prefixed := append(prefix, k1...) //nolint:gocritic // append is fine here
store1.Set(k1Prefixed, v1)
store2.Set(k1Prefixed, v2)
checkDiffResults(t, store1, store2)
}
func checkDiffResults(t *testing.T, store1, store2 storetypes.KVStore) {
kvAs1, kvBs1 := DiffKVStores(store1, store2, nil)
kvAs2, kvBs2 := DiffKVStores(store1, store2, nil)
assert.DeepEqual(t, kvAs1, kvAs2)
assert.DeepEqual(t, kvBs1, kvBs2)
}
func initTestStores(t *testing.T) (storetypes.KVStore, storetypes.KVStore) {
db := dbm.NewMemDB()
ms := rootmulti.NewStore(db, log.NewNopLogger(), metrics.NewNoOpMetrics())
key1 := storetypes.NewKVStoreKey("store1")
key2 := storetypes.NewKVStoreKey("store2")
require.NotPanics(t, func() { ms.MountStoreWithDB(key1, storetypes.StoreTypeIAVL, db) })
require.NotPanics(t, func() { ms.MountStoreWithDB(key2, storetypes.StoreTypeIAVL, db) })
require.NotPanics(t, func() { ms.LoadLatestVersion() })
return ms.GetKVStore(key1), ms.GetKVStore(key2)
}