69 lines
2.0 KiB
Go
69 lines
2.0 KiB
Go
package store
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import (
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"testing"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/stretchr/testify/require"
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dbm "github.com/tendermint/tendermint/libs/db"
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)
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func newGasKVStore() KVStore {
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meter := sdk.NewGasMeter(1000)
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mem := dbStoreAdapter{dbm.NewMemDB()}
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return NewGasKVStore(meter, mem)
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}
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func TestGasKVStoreBasic(t *testing.T) {
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mem := dbStoreAdapter{dbm.NewMemDB()}
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meter := sdk.NewGasMeter(1000)
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st := NewGasKVStore(meter, mem)
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require.Empty(t, st.Get(keyFmt(1)), "Expected `key1` to be empty")
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st.Set(keyFmt(1), valFmt(1))
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require.Equal(t, valFmt(1), st.Get(keyFmt(1)))
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st.Delete(keyFmt(1))
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require.Empty(t, st.Get(keyFmt(1)), "Expected `key1` to be empty")
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require.Equal(t, meter.GasConsumed(), sdk.Gas(183))
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}
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func TestGasKVStoreIterator(t *testing.T) {
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mem := dbStoreAdapter{dbm.NewMemDB()}
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meter := sdk.NewGasMeter(1000)
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st := NewGasKVStore(meter, mem)
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require.Empty(t, st.Get(keyFmt(1)), "Expected `key1` to be empty")
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require.Empty(t, st.Get(keyFmt(2)), "Expected `key2` to be empty")
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st.Set(keyFmt(1), valFmt(1))
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st.Set(keyFmt(2), valFmt(2))
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iterator := st.Iterator(nil, nil)
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ka := iterator.Key()
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require.Equal(t, ka, keyFmt(1))
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va := iterator.Value()
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require.Equal(t, va, valFmt(1))
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iterator.Next()
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kb := iterator.Key()
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require.Equal(t, kb, keyFmt(2))
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vb := iterator.Value()
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require.Equal(t, vb, valFmt(2))
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iterator.Next()
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require.False(t, iterator.Valid())
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require.Panics(t, iterator.Next)
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require.Equal(t, meter.GasConsumed(), sdk.Gas(356))
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}
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func TestGasKVStoreOutOfGasSet(t *testing.T) {
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mem := dbStoreAdapter{dbm.NewMemDB()}
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meter := sdk.NewGasMeter(0)
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st := NewGasKVStore(meter, mem)
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require.Panics(t, func() { st.Set(keyFmt(1), valFmt(1)) }, "Expected out-of-gas")
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}
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func TestGasKVStoreOutOfGasIterator(t *testing.T) {
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mem := dbStoreAdapter{dbm.NewMemDB()}
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meter := sdk.NewGasMeter(200)
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st := NewGasKVStore(meter, mem)
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st.Set(keyFmt(1), valFmt(1))
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iterator := st.Iterator(nil, nil)
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iterator.Next()
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require.Panics(t, func() { iterator.Value() }, "Expected out-of-gas")
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}
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