You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
3.5 KiB
151 lines
3.5 KiB
package db
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
cmn "github.com/tendermint/tmlibs/common"
|
|
)
|
|
|
|
func cleanupDBDir(dir, name string) {
|
|
os.RemoveAll(filepath.Join(dir, name) + ".db")
|
|
}
|
|
|
|
func testBackendGetSetDelete(t *testing.T, backend DBBackendType) {
|
|
// Default
|
|
dir, dirname := cmn.Tempdir(fmt.Sprintf("test_backend_%s_", backend))
|
|
defer dir.Close()
|
|
db := NewDB("testdb", backend, dirname)
|
|
|
|
// A nonexistent key should return nil, even if the key is empty
|
|
require.Nil(t, db.Get([]byte("")))
|
|
|
|
// A nonexistent key should return nil, even if the key is nil
|
|
require.Nil(t, db.Get(nil))
|
|
|
|
// A nonexistent key should return nil.
|
|
key := []byte("abc")
|
|
require.Nil(t, db.Get(key))
|
|
|
|
// Set empty value.
|
|
db.Set(key, []byte(""))
|
|
require.NotNil(t, db.Get(key))
|
|
require.Empty(t, db.Get(key))
|
|
|
|
// Set nil value.
|
|
db.Set(key, nil)
|
|
require.NotNil(t, db.Get(key))
|
|
require.Empty(t, db.Get(key))
|
|
|
|
// Delete.
|
|
db.Delete(key)
|
|
require.Nil(t, db.Get(key))
|
|
}
|
|
|
|
func TestBackendsGetSetDelete(t *testing.T) {
|
|
for dbType, _ := range backends {
|
|
testBackendGetSetDelete(t, dbType)
|
|
}
|
|
}
|
|
|
|
func withDB(t *testing.T, creator dbCreator, fn func(DB)) {
|
|
name := cmn.Fmt("test_%x", cmn.RandStr(12))
|
|
db, err := creator(name, "")
|
|
defer cleanupDBDir("", name)
|
|
assert.Nil(t, err)
|
|
fn(db)
|
|
db.Close()
|
|
}
|
|
|
|
func TestBackendsNilKeys(t *testing.T) {
|
|
|
|
// Test all backends.
|
|
for dbType, creator := range backends {
|
|
withDB(t, creator, func(db DB) {
|
|
t.Run(fmt.Sprintf("Testing %s", dbType), func(t *testing.T) {
|
|
|
|
// Nil keys are treated as the empty key for most operations.
|
|
expect := func(key, value []byte) {
|
|
if len(key) == 0 { // nil or empty
|
|
assert.Equal(t, db.Get(nil), db.Get([]byte("")))
|
|
assert.Equal(t, db.Has(nil), db.Has([]byte("")))
|
|
}
|
|
assert.Equal(t, db.Get(key), value)
|
|
assert.Equal(t, db.Has(key), value != nil)
|
|
}
|
|
|
|
// Not set
|
|
expect(nil, nil)
|
|
|
|
// Set nil value
|
|
db.Set(nil, nil)
|
|
expect(nil, []byte(""))
|
|
|
|
// Set empty value
|
|
db.Set(nil, []byte(""))
|
|
expect(nil, []byte(""))
|
|
|
|
// Set nil, Delete nil
|
|
db.Set(nil, []byte("abc"))
|
|
expect(nil, []byte("abc"))
|
|
db.Delete(nil)
|
|
expect(nil, nil)
|
|
|
|
// Set nil, Delete empty
|
|
db.Set(nil, []byte("abc"))
|
|
expect(nil, []byte("abc"))
|
|
db.Delete([]byte(""))
|
|
expect(nil, nil)
|
|
|
|
// Set empty, Delete nil
|
|
db.Set([]byte(""), []byte("abc"))
|
|
expect(nil, []byte("abc"))
|
|
db.Delete(nil)
|
|
expect(nil, nil)
|
|
|
|
// Set empty, Delete empty
|
|
db.Set([]byte(""), []byte("abc"))
|
|
expect(nil, []byte("abc"))
|
|
db.Delete([]byte(""))
|
|
expect(nil, nil)
|
|
|
|
// SetSync nil, DeleteSync nil
|
|
db.SetSync(nil, []byte("abc"))
|
|
expect(nil, []byte("abc"))
|
|
db.DeleteSync(nil)
|
|
expect(nil, nil)
|
|
|
|
// SetSync nil, DeleteSync empty
|
|
db.SetSync(nil, []byte("abc"))
|
|
expect(nil, []byte("abc"))
|
|
db.DeleteSync([]byte(""))
|
|
expect(nil, nil)
|
|
|
|
// SetSync empty, DeleteSync nil
|
|
db.SetSync([]byte(""), []byte("abc"))
|
|
expect(nil, []byte("abc"))
|
|
db.DeleteSync(nil)
|
|
expect(nil, nil)
|
|
|
|
// SetSync empty, DeleteSync empty
|
|
db.SetSync([]byte(""), []byte("abc"))
|
|
expect(nil, []byte("abc"))
|
|
db.DeleteSync([]byte(""))
|
|
expect(nil, nil)
|
|
})
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestGoLevelDBBackend(t *testing.T) {
|
|
name := cmn.Fmt("test_%x", cmn.RandStr(12))
|
|
db := NewDB(name, GoLevelDBBackend, "")
|
|
defer cleanupDBDir("", name)
|
|
|
|
_, ok := db.(*GoLevelDB)
|
|
assert.True(t, ok)
|
|
}
|