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package bbolt
import (
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.etcd.io/bbolt/errors"
)
func TestOpenWithPreLoadFreelist(t *testing.T) {
testCases := []struct {
name string
readonly bool
preLoadFreePage bool
expectedFreePagesLoaded bool
}{
{
name: "write mode always load free pages",
readonly: false,
preLoadFreePage: false,
expectedFreePagesLoaded: true,
},
{
name: "readonly mode load free pages when flag set",
readonly: true,
preLoadFreePage: true,
expectedFreePagesLoaded: true,
},
{
name: "readonly mode doesn't load free pages when flag not set",
readonly: true,
preLoadFreePage: false,
expectedFreePagesLoaded: false,
},
}
fileName, err := prepareData(t)
require.NoError(t, err)
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
db, err := Open(fileName, 0666, &Options{
ReadOnly: tc.readonly,
PreLoadFreelist: tc.preLoadFreePage,
})
require.NoError(t, err)
assert.Equal(t, tc.expectedFreePagesLoaded, db.freelist != nil)
assert.NoError(t, db.Close())
})
}
}
func TestMethodPage(t *testing.T) {
testCases := []struct {
name string
readonly bool
preLoadFreePage bool
expectedError error
}{
{
name: "write mode",
readonly: false,
preLoadFreePage: false,
expectedError: nil,
},
{
name: "readonly mode with preloading free pages",
readonly: true,
preLoadFreePage: true,
expectedError: nil,
},
{
name: "readonly mode without preloading free pages",
readonly: true,
preLoadFreePage: false,
expectedError: errors.ErrFreePagesNotLoaded,
},
}
fileName, err := prepareData(t)
require.NoError(t, err)
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
db, err := Open(fileName, 0666, &Options{
ReadOnly: tc.readonly,
PreLoadFreelist: tc.preLoadFreePage,
})
require.NoError(t, err)
defer db.Close()
tx, err := db.Begin(!tc.readonly)
require.NoError(t, err)
_, err = tx.Page(0)
require.Equal(t, tc.expectedError, err)
if tc.readonly {
require.NoError(t, tx.Rollback())
} else {
require.NoError(t, tx.Commit())
}
require.NoError(t, db.Close())
})
}
}
func prepareData(t *testing.T) (string, error) {
fileName := filepath.Join(t.TempDir(), "db")
db, err := Open(fileName, 0666, nil)
if err != nil {
return "", err
}
if err := db.Close(); err != nil {
return "", err
}
return fileName, nil
}
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