featurebase/test/holder.go
2018-06-06 01:27:12 -05:00

126 lines
3.4 KiB
Go

// Copyright 2017 Pilosa Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package test
import (
"io/ioutil"
"os"
"github.com/pilosa/pilosa"
"github.com/pilosa/pilosa/boltdb"
)
// Holder is a test wrapper for pilosa.Holder.
type Holder struct {
*pilosa.Holder
}
// NewHolder returns a new instance of Holder with a temporary path.
func NewHolder() *Holder {
path, err := ioutil.TempDir("", "pilosa-")
if err != nil {
panic(err)
}
h := &Holder{Holder: pilosa.NewHolder()}
h.Path = path
h.Holder.NewAttrStore = boltdb.NewAttrStore
return h
}
// MustOpenHolder creates and opens a holder at a temporary path. Panic on error.
func MustOpenHolder() *Holder {
h := NewHolder()
if err := h.Open(); err != nil {
panic(err)
}
return h
}
// Close closes the holder and removes all underlying data.
func (h *Holder) Close() error {
defer os.RemoveAll(h.Path)
return h.Holder.Close()
}
// Reopen instantiates and opens a new holder.
// Note that the holder must be Closed first.
func (h *Holder) Reopen() error {
path, logger := h.Path, h.Holder.Logger
h.Holder = pilosa.NewHolder()
h.Holder.Path = path
h.Holder.Logger = logger
h.Holder.NewAttrStore = boltdb.NewAttrStore
if err := h.Holder.Open(); err != nil {
return err
}
return nil
}
// MustCreateIndexIfNotExists returns a given index. Panic on error.
func (h *Holder) MustCreateIndexIfNotExists(index string, opt pilosa.IndexOptions) *Index {
idx, err := h.Holder.CreateIndexIfNotExists(index, opt)
if err != nil {
panic(err)
}
return &Index{Index: idx}
}
// MustCreateFieldIfNotExists returns a given field. Panic on error.
func (h *Holder) MustCreateFieldIfNotExists(index, field string) *Field {
f, err := h.MustCreateIndexIfNotExists(index, pilosa.IndexOptions{}).CreateFieldIfNotExists(field, pilosa.FieldOptions{})
if err != nil {
panic(err)
}
return f
}
// MustCreateFragmentIfNotExists returns a given fragment. Panic on error.
func (h *Holder) MustCreateFragmentIfNotExists(index, field, view string, slice uint64) *Fragment {
idx := h.MustCreateIndexIfNotExists(index, pilosa.IndexOptions{})
f, err := idx.CreateFieldIfNotExists(field, pilosa.FieldOptions{})
if err != nil {
panic(err)
}
v, err := f.CreateViewIfNotExists(view)
if err != nil {
panic(err)
}
frag, err := v.CreateFragmentIfNotExists(slice)
if err != nil {
panic(err)
}
return &Fragment{Fragment: frag}
}
// MustCreateRankedFragmentIfNotExists returns a given fragment with a ranked cache. Panic on error.
func (h *Holder) MustCreateRankedFragmentIfNotExists(index, field, view string, slice uint64) *Fragment {
idx := h.MustCreateIndexIfNotExists(index, pilosa.IndexOptions{})
f, err := idx.CreateFieldIfNotExists(field, pilosa.FieldOptions{CacheType: pilosa.CacheTypeRanked})
if err != nil {
panic(err)
}
v, err := f.CreateViewIfNotExists(view)
if err != nil {
panic(err)
}
frag, err := v.CreateFragmentIfNotExists(slice)
if err != nil {
panic(err)
}
return &Fragment{Fragment: frag}
}