cosmos-sdk/testutil/context.go
2025-02-21 13:39:12 -05:00

83 lines
2.3 KiB
Go

package testutil
import (
"testing"
"time"
cmtproto "github.com/cometbft/cometbft/proto/tendermint/types"
dbm "github.com/cosmos/cosmos-db"
"github.com/stretchr/testify/assert"
"cosmossdk.io/log"
"cosmossdk.io/store"
"cosmossdk.io/store/metrics"
storetypes "cosmossdk.io/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// DefaultContext creates a sdk.Context with a fresh MemDB that can be used in tests.
func DefaultContext(key, tkey storetypes.StoreKey) sdk.Context {
db := dbm.NewMemDB()
cms := store.NewCommitMultiStore(db, log.NewNopLogger(), metrics.NewNoOpMetrics())
cms.MountStoreWithDB(key, storetypes.StoreTypeIAVL, db)
cms.MountStoreWithDB(tkey, storetypes.StoreTypeTransient, db)
err := cms.LoadLatestVersion()
if err != nil {
panic(err)
}
ctx := sdk.NewContext(cms, cmtproto.Header{}, false, log.NewNopLogger())
return ctx
}
// DefaultContextWithKeys creates a sdk.Context with a fresh MemDB, mounting the providing keys for usage in the multistore.
// This function is intended to be used for testing purposes only.
func DefaultContextWithKeys(
keys map[string]*storetypes.KVStoreKey,
transKeys map[string]*storetypes.TransientStoreKey,
memKeys map[string]*storetypes.MemoryStoreKey,
) sdk.Context {
db := dbm.NewMemDB()
cms := store.NewCommitMultiStore(db, log.NewNopLogger(), metrics.NewNoOpMetrics())
for _, key := range keys {
cms.MountStoreWithDB(key, storetypes.StoreTypeIAVL, db)
}
for _, tKey := range transKeys {
cms.MountStoreWithDB(tKey, storetypes.StoreTypeTransient, db)
}
for _, memkey := range memKeys {
cms.MountStoreWithDB(memkey, storetypes.StoreTypeMemory, db)
}
err := cms.LoadLatestVersion()
if err != nil {
panic(err)
}
return sdk.NewContext(cms, cmtproto.Header{}, false, log.NewNopLogger())
}
type TestContext struct {
Ctx sdk.Context
DB dbm.DB
CMS store.CommitMultiStore
}
func DefaultContextWithDB(tb testing.TB, key, tkey storetypes.StoreKey) TestContext {
tb.Helper()
db := dbm.NewMemDB()
cms := store.NewCommitMultiStore(db, log.NewNopLogger(), metrics.NewNoOpMetrics())
cms.MountStoreWithDB(key, storetypes.StoreTypeIAVL, db)
cms.MountStoreWithDB(tkey, storetypes.StoreTypeTransient, db)
err := cms.LoadLatestVersion()
assert.NoError(tb, err)
ctx := sdk.NewContext(cms, cmtproto.Header{Time: time.Now()}, false, log.NewNopLogger())
return TestContext{ctx, db, cms}
}