mirror of
https://github.com/featurebasedb/featurebase.git
synced 2026-08-28 10:54:59 +00:00
120 lines
2.9 KiB
Go
120 lines
2.9 KiB
Go
// Copyright 2017 Pilosa Corp.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package pilosa
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import (
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"io/ioutil"
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"strings"
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"testing"
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"github.com/pkg/errors"
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)
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// mustOpenView returns a new instance of View with a temporary path.
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func mustOpenView(index, field, name string) *view {
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path, err := ioutil.TempDir("", "pilosa-view-")
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if err != nil {
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panic(err)
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}
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fo := FieldOptions{
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CacheType: DefaultCacheType,
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CacheSize: DefaultCacheSize,
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}
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v := newView(path, index, field, name, fo)
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if err := v.open(); err != nil {
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panic(err)
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}
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v.rowAttrStore = &memAttrStore{
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store: make(map[uint64]map[string]interface{}),
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}
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return v
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}
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// Ensure view can open and retrieve a fragment.
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func TestView_DeleteFragment(t *testing.T) {
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v := mustOpenView("i", "f", "v")
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defer v.close()
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shard := uint64(9)
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// Create fragment.
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fragment, err := v.CreateFragmentIfNotExists(shard)
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if err != nil {
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t.Fatal(err)
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} else if fragment == nil {
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t.Fatal("expected fragment")
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}
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err = v.deleteFragment(shard)
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if err != nil {
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t.Fatal(err)
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}
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if v.Fragment(shard) != nil {
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t.Fatal("fragment still exists in view")
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}
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// Recreate fragment with same shard, verify that the old fragment was not reused.
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fragment2, err := v.CreateFragmentIfNotExists(shard)
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if err != nil {
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t.Fatal(err)
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} else if fragment == fragment2 {
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t.Fatal("failed to create new fragment")
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}
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}
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// Ensure view closes fragment after failed shard broadcast.
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func TestView_CreateFragmentError(t *testing.T) {
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v := mustOpenView("i", "f", "v")
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defer v.close()
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// Use a broadcaster which intentionally fails.
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v.broadcaster = errorBroadcaster{}
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shard := uint64(0)
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// Create fragment (with error on broadcast).
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fragment, err := v.CreateFragmentIfNotExists(shard)
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if !strings.Contains(err.Error(), "intentional error") {
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if err != nil {
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t.Fatal(err)
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} else if fragment == nil {
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t.Fatal("expected fragment")
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} else {
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t.Fatal("expected intentional error")
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}
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}
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// Set the broadcaster back to no-op.
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v.broadcaster = nopBroadcaster{}
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// Try to create the fragment again.
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_, err = v.CreateFragmentIfNotExists(shard)
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if err != nil {
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t.Fatal(err)
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}
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}
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// errorBroadcaster is a broadcaster which always returns an error.
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type errorBroadcaster struct {
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nopBroadcaster
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}
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// SendSync is an implementation of Broadcaster SendSync which always returns an error.
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func (errorBroadcaster) SendSync(Message) error {
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return errors.New("intentional error")
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}
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