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cecaf99ee4
The testhook/ package provides an easy way to set up multiple hooks to run before/after tests are run. The audit hooks track open and closes of storage backends, files, indexes, and holders, for example. A tempdir wrapper creates temporary directories which are automatically cleaned up when the test ends. Any kind of resource creation that should be closed at test conclusion can be tracked. We will complain at the end of the TestMain if resources are leaking. Leaks under go1.13: We use a wrapper function which is a no-op for go 1.13, but actually calls testing.TB.Cleanup in go1.14, so we can still build with 1.13 even though tests will leak files all over the place there. Because of this, don't run the testhook tests when using 1.13, as they'll always fail. - the test/pilosa.go http client now times out after 10 seconds to help diagnose hung server situations. - Makefile targets added to get better progress reports.
127 lines
3.2 KiB
Go
127 lines
3.2 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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"testing"
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"time"
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"github.com/pilosa/pilosa/v2/testhook"
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"golang.org/x/sync/errgroup"
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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(tb testing.TB, index, field, name string) *view {
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path, err := testhook.TempDirInDir(tb, *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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h := NewHolder(DefaultPartitionN)
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h.Path = path
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// h needs an *Index so we can call h.Index() and get Index.Txf, in TestView_DeleteFragment
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idx, err := h.createIndex(index, IndexOptions{})
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testhook.Cleanup(tb, func() {
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h.Close()
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})
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panicOn(err)
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v := newView(h, path, index, field, name, fo)
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v.idx = idx
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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(t, "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 that simultaneous attempts to grab a new fragment don't clash even
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// if the broadcast operation takes a bit of time.
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func TestView_CreateFragmentRace(t *testing.T) {
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var creates errgroup.Group
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v := mustOpenView(t, "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 = delayBroadcaster{delay: 10 * time.Millisecond}
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shard := uint64(0)
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creates.Go(func() error {
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_, err := v.CreateFragmentIfNotExists(shard)
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return err
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})
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creates.Go(func() error {
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_, err := v.CreateFragmentIfNotExists(shard)
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return err
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})
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err := creates.Wait()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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}
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// delayBroadcaster is a nopBroadcaster with a configurable delay.
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type delayBroadcaster struct {
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nopBroadcaster
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delay time.Duration
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}
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// SendSync is an implementation of Broadcaster SendSync which delays for a
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// specified interval before succeeding.
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func (d delayBroadcaster) SendSync(Message) error {
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time.Sleep(d.delay)
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return nil
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}
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