forked from mirror/ledisdb
82 lines
1.1 KiB
Go
82 lines
1.1 KiB
Go
package store
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import (
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"testing"
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)
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func TestTx(t *testing.T) {
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}
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func testTx(db *DB, t *testing.T) {
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key1 := []byte("1")
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key2 := []byte("2")
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db.Put(key1, []byte("1"))
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db.Put(key2, []byte("2"))
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tx, err := db.Begin()
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if err != nil {
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t.Fatal(err)
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}
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if err := tx.Put(key1, []byte("a")); err != nil {
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t.Fatal(err)
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}
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if err := tx.Put(key2, []byte("b")); err != nil {
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t.Fatal(err)
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}
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it := tx.NewIterator()
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it.Seek(key1)
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if !it.Valid() {
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t.Fatal("must valid")
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} else if string(it.Value()) != "a" {
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t.Fatal(string(it.Value()))
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}
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it.Close()
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tx.Rollback()
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if v, err := db.Get(key1); err != nil {
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t.Fatal(err)
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} else if string(v) != "1" {
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t.Fatal(string(v))
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}
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tx, err = db.Begin()
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if err != nil {
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t.Fatal(err)
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}
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if err := tx.Put(key1, []byte("a")); err != nil {
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t.Fatal(err)
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}
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it = tx.NewIterator()
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it.Seek(key2)
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if !it.Valid() {
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t.Fatal("must valid")
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} else if string(it.Value()) != "2" {
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t.Fatal(string(it.Value()))
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}
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it.Close()
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if err := tx.Commit(); err != nil {
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t.Fatal(err)
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}
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if v, err := db.Get(key1); err != nil {
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t.Fatal(err)
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} else if string(v) != "a" {
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t.Fatal(string(v))
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}
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}
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