130 lines
3.3 KiB
Go
130 lines
3.3 KiB
Go
package sims
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import (
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"fmt"
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"testing"
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dbm "github.com/cosmos/cosmos-db"
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"github.com/stretchr/testify/require"
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"gotest.tools/v3/assert"
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"cosmossdk.io/log"
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"cosmossdk.io/store/metrics"
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"cosmossdk.io/store/rootmulti"
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storetypes "cosmossdk.io/store/types"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/types/kv"
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"github.com/cosmos/cosmos-sdk/types/simulation"
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)
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const (
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authStoreKey = "acc"
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GlobalAccountNumberKey = 0x1
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)
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func TestGetSimulationLog(t *testing.T) {
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legacyAmino := codec.NewLegacyAmino()
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decoders := make(simulation.StoreDecoderRegistry)
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decoders[authStoreKey] = func(kvAs, kvBs kv.Pair) string { return "10" }
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tests := []struct {
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store string
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kvPairs []kv.Pair
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expectedLog string
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}{
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{
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"Empty",
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[]kv.Pair{{}},
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"",
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},
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{
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authStoreKey,
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[]kv.Pair{{Key: []byte{GlobalAccountNumberKey}, Value: legacyAmino.MustMarshal(uint64(10))}},
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"10",
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},
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{
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"OtherStore",
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[]kv.Pair{{Key: []byte("key"), Value: []byte("value")}},
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fmt.Sprintf("store A %X => %X\nstore B %X => %X\n", []byte("key"), []byte("value"), []byte("key"), []byte("value")),
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.store, func(t *testing.T) {
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require.Equal(t, tt.expectedLog, GetSimulationLog(tt.store, decoders, tt.kvPairs, tt.kvPairs), tt.store)
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})
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}
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}
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func TestDiffKVStores(t *testing.T) {
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store1, store2 := initTestStores(t)
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// Two equal stores
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k1, v1 := []byte("k1"), []byte("v1")
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store1.Set(k1, v1)
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store2.Set(k1, v1)
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checkDiffResults(t, store1, store2, true, nil)
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// delete k1 from store2, which is now empty
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store2.Delete(k1)
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checkDiffResults(t, store1, store2, false, nil)
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// set k1 in store2, different value than what store1 holds for k1
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v2 := []byte("v2")
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store2.Set(k1, v2)
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checkDiffResults(t, store1, store2, false, nil)
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// add k2 to store2
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k2 := []byte("k2")
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store2.Set(k2, v2)
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checkDiffResults(t, store1, store2, false, nil)
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// add k3 to store1
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k3 := []byte("k3")
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store1.Set(k3, v2)
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checkDiffResults(t, store1, store2, false, nil)
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// Reset stores
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store1.Delete(k1)
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store1.Delete(k3)
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store2.Delete(k1)
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store2.Delete(k2)
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// Same keys, different value. Comparisons will be nil as prefixes are skipped.
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prefix := []byte("prefix:")
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k1Prefixed := append(prefix, k1...)
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store1.Set(k1Prefixed, v1)
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store2.Set(k1Prefixed, v2)
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checkDiffResults(t, store1, store2, true, [][]byte{prefix})
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}
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func checkDiffResults(t *testing.T, store1, store2 storetypes.KVStore, noDiff bool, skipPrefixes [][]byte) {
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t.Helper()
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kvAs1, kvBs1 := DiffKVStores(store1, store2, skipPrefixes)
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if noDiff {
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assert.Assert(t, len(kvAs1) == 0)
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assert.Assert(t, len(kvBs1) == 0)
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} else {
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assert.Assert(t, len(kvAs1) > 0 || len(kvBs1) > 0)
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}
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}
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func initTestStores(t *testing.T) (storetypes.KVStore, storetypes.KVStore) {
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t.Helper()
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db := dbm.NewMemDB()
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ms := rootmulti.NewStore(db, log.NewNopLogger(), metrics.NewNoOpMetrics())
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key1 := storetypes.NewKVStoreKey("store1")
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key2 := storetypes.NewKVStoreKey("store2")
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require.NotPanics(t, func() { ms.MountStoreWithDB(key1, storetypes.StoreTypeIAVL, db) })
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require.NotPanics(t, func() { ms.MountStoreWithDB(key2, storetypes.StoreTypeIAVL, db) })
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require.NotPanics(t, func() {
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_ = ms.LoadLatestVersion()
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})
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return ms.GetKVStore(key1), ms.GetKVStore(key2)
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}
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