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// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package shed
import (
"testing"
"github.com/syndtr/goleveldb/leveldb"
)
// TestStringField validates put and get operations
// of the StringField.
func TestStringField(t *testing.T) {
db, cleanupFunc := newTestDB(t)
defer cleanupFunc()
simpleString, err := db.NewStringField("simple-string")
if err != nil {
t.Fatal(err)
}
t.Run("get empty", func(t *testing.T) {
got, err := simpleString.Get()
if err != nil {
t.Fatal(err)
}
want := ""
if got != want {
t.Errorf("got string %q, want %q", got, want)
}
})
t.Run("put", func(t *testing.T) {
want := "simple string value"
err = simpleString.Put(want)
if err != nil {
t.Fatal(err)
}
got, err := simpleString.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got string %q, want %q", got, want)
}
t.Run("overwrite", func(t *testing.T) {
want := "overwritten string value"
err = simpleString.Put(want)
if err != nil {
t.Fatal(err)
}
got, err := simpleString.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got string %q, want %q", got, want)
}
})
})
t.Run("put in batch", func(t *testing.T) {
batch := new(leveldb.Batch)
want := "simple string batch value"
simpleString.PutInBatch(batch, want)
err = db.WriteBatch(batch)
if err != nil {
t.Fatal(err)
}
got, err := simpleString.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got string %q, want %q", got, want)
}
t.Run("overwrite", func(t *testing.T) {
batch := new(leveldb.Batch)
want := "overwritten string batch value"
simpleString.PutInBatch(batch, want)
err = db.WriteBatch(batch)
if err != nil {
t.Fatal(err)
}
got, err := simpleString.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got string %q, want %q", got, want)
}
})
})
}
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