cosmos-sdk/types/lib/mapper_test.go

111 lines
2.2 KiB
Go

package lib
import (
"testing"
"github.com/stretchr/testify/assert"
dbm "github.com/tendermint/tmlibs/db"
"github.com/tendermint/tmlibs/log"
abci "github.com/tendermint/abci/types"
"github.com/cosmos/cosmos-sdk/store"
sdk "github.com/cosmos/cosmos-sdk/types"
wire "github.com/cosmos/cosmos-sdk/wire"
)
type S struct {
I uint64
B bool
}
func defaultComponents(key sdk.StoreKey) (sdk.Context, *wire.Codec) {
db := dbm.NewMemDB()
cms := store.NewCommitMultiStore(db)
cms.MountStoreWithDB(key, sdk.StoreTypeIAVL, db)
cms.LoadLatestVersion()
ctx := sdk.NewContext(cms, abci.Header{}, false, nil, log.NewNopLogger())
cdc := wire.NewCodec()
return ctx, cdc
}
func TestListMapper(t *testing.T) {
key := sdk.NewKVStoreKey("list")
ctx, cdc := defaultComponents(key)
lm := NewListMapper(cdc, key, "data")
val := S{1, true}
var res S
lm.Push(ctx, val)
assert.Equal(t, uint64(1), lm.Len(ctx))
lm.Get(ctx, uint64(0), &res)
assert.Equal(t, val, res)
val = S{2, false}
lm.Set(ctx, uint64(0), val)
lm.Get(ctx, uint64(0), &res)
assert.Equal(t, val, res)
val = S{100, false}
lm.Push(ctx, val)
assert.Equal(t, uint64(2), lm.Len(ctx))
lm.Get(ctx, uint64(1), &res)
assert.Equal(t, val, res)
lm.Delete(ctx, uint64(1))
assert.Equal(t, uint64(2), lm.Len(ctx))
lm.IterateRead(ctx, &res, func(ctx sdk.Context, index uint64) (brk bool) {
var temp S
lm.Get(ctx, index, &temp)
assert.Equal(t, temp, res)
assert.True(t, index != 1)
return
})
lm.IterateWrite(ctx, &res, func(ctx sdk.Context, index uint64) (brk bool) {
lm.Set(ctx, index, S{res.I + 1, !res.B})
return
})
lm.Get(ctx, uint64(0), &res)
assert.Equal(t, S{3, true}, res)
}
func TestQueueMapper(t *testing.T) {
key := sdk.NewKVStoreKey("queue")
ctx, cdc := defaultComponents(key)
qm := NewQueueMapper(cdc, key, "data")
val := S{1, true}
var res S
qm.Push(ctx, val)
qm.Peek(ctx, &res)
assert.Equal(t, val, res)
qm.Pop(ctx)
empty := qm.IsEmpty(ctx)
assert.True(t, empty)
assert.NotNil(t, qm.Peek(ctx, &res))
qm.Push(ctx, S{1, true})
qm.Push(ctx, S{2, true})
qm.Push(ctx, S{3, true})
qm.Flush(ctx, &res, func(ctx sdk.Context) (brk bool) {
if res.I == 3 {
brk = true
}
return
})
assert.False(t, qm.IsEmpty(ctx))
qm.Pop(ctx)
assert.True(t, qm.IsEmpty(ctx))
}