cosmos-sdk/testutil/sims/simulation_helpers_test.go

130 lines
3.3 KiB
Go

package sims
import (
"fmt"
"testing"
dbm "github.com/cosmos/cosmos-db"
"github.com/stretchr/testify/require"
"gotest.tools/v3/assert"
"cosmossdk.io/log"
"cosmossdk.io/store/metrics"
"cosmossdk.io/store/rootmulti"
storetypes "cosmossdk.io/store/types"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/types/kv"
"github.com/cosmos/cosmos-sdk/types/simulation"
)
const (
authStoreKey = "acc"
GlobalAccountNumberKey = 0x1
)
func TestGetSimulationLog(t *testing.T) {
legacyAmino := codec.NewLegacyAmino()
decoders := make(simulation.StoreDecoderRegistry)
decoders[authStoreKey] = func(kvAs, kvBs kv.Pair) string { return "10" }
tests := []struct {
store string
kvPairs []kv.Pair
expectedLog string
}{
{
"Empty",
[]kv.Pair{{}},
"",
},
{
authStoreKey,
[]kv.Pair{{Key: []byte{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, true, nil)
// delete k1 from store2, which is now empty
store2.Delete(k1)
checkDiffResults(t, store1, store2, false, nil)
// set k1 in store2, different value than what store1 holds for k1
v2 := []byte("v2")
store2.Set(k1, v2)
checkDiffResults(t, store1, store2, false, nil)
// add k2 to store2
k2 := []byte("k2")
store2.Set(k2, v2)
checkDiffResults(t, store1, store2, false, nil)
// add k3 to store1
k3 := []byte("k3")
store1.Set(k3, v2)
checkDiffResults(t, store1, store2, false, nil)
// Reset stores
store1.Delete(k1)
store1.Delete(k3)
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...)
store1.Set(k1Prefixed, v1)
store2.Set(k1Prefixed, v2)
checkDiffResults(t, store1, store2, true, [][]byte{prefix})
}
func checkDiffResults(t *testing.T, store1, store2 storetypes.KVStore, noDiff bool, skipPrefixes [][]byte) {
t.Helper()
kvAs1, kvBs1 := DiffKVStores(store1, store2, skipPrefixes)
if noDiff {
assert.Assert(t, len(kvAs1) == 0)
assert.Assert(t, len(kvBs1) == 0)
} else {
assert.Assert(t, len(kvAs1) > 0 || len(kvBs1) > 0)
}
}
func initTestStores(t *testing.T) (storetypes.KVStore, storetypes.KVStore) {
t.Helper()
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)
}