mirror of
https://github.com/golang/go
synced 2024-11-18 15:04:44 -07:00
93b64502c3
Using the new run options to configure a testing environment suitable for long-running tests, a trivial stress test is added to type arbitrarily in a known problematic repository (github.com/pilosa/pilosa). Change-Id: I2c8237843111f17ff5a096515cb4704c62513ed0 Reviewed-on: https://go-review.googlesource.com/c/tools/+/244441 Run-TryBot: Robert Findley <rfindley@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com>
82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package regtest
|
|
|
|
import (
|
|
"context"
|
|
"flag"
|
|
"fmt"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
// Pilosa is a repository that has historically caused significant memory
|
|
// problems for Gopls. We use it for a simple stress test that types
|
|
// arbitrarily in a file with lots of dependents.
|
|
|
|
var pilosaPath = flag.String("pilosa_path", "", "Path to a directory containing "+
|
|
"github.com/pilosa/pilosa, for stress testing. Do not set this unless you "+
|
|
"know what you're doing!")
|
|
|
|
func stressTestOptions(dir string) []RunOption {
|
|
return []RunOption{
|
|
// Run in an existing directory, since we're trying to simulate known cases
|
|
// that cause gopls memory problems.
|
|
InExistingDir(dir),
|
|
|
|
// Enable live debugging.
|
|
WithDebugAddress(":8087"),
|
|
|
|
// Skip logs and hooks, as they buffer up memory unnaturally.
|
|
SkipLogs(),
|
|
NoHooks(),
|
|
// The Debug server only makes sense if running in singleton mode.
|
|
WithModes(Singleton),
|
|
// Set a generous timeout. Individual tests should control their own
|
|
// graceful termination.
|
|
WithTimeout(20 * time.Minute),
|
|
|
|
// Use the actual proxy, since we want our builds to succeed.
|
|
WithGOPROXY("https://proxy.golang.org"),
|
|
}
|
|
}
|
|
|
|
func TestPilosaStress(t *testing.T) {
|
|
if *pilosaPath == "" {
|
|
t.Skip("-pilosa_path not configured")
|
|
}
|
|
opts := stressTestOptions(*pilosaPath)
|
|
|
|
withOptions(opts...).run(t, "", func(t *testing.T, env *Env) {
|
|
files := []string{
|
|
"cmd.go",
|
|
"internal/private.pb.go",
|
|
"roaring/roaring.go",
|
|
"roaring/roaring_internal_test.go",
|
|
"server/handler_test.go",
|
|
}
|
|
for _, file := range files {
|
|
env.OpenFile(file)
|
|
}
|
|
ctx, cancel := context.WithTimeout(env.Ctx, 10*time.Minute)
|
|
defer cancel()
|
|
|
|
i := 1
|
|
// MagicNumber is an identifier that occurs in roaring.go. Just change it
|
|
// arbitrarily.
|
|
env.RegexpReplace("roaring/roaring.go", "MagicNumber", fmt.Sprintf("MagicNumber%d", 1))
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
default:
|
|
}
|
|
env.RegexpReplace("roaring/roaring.go", fmt.Sprintf("MagicNumber%d", i), fmt.Sprintf("MagicNumber%d", i+1))
|
|
time.Sleep(20 * time.Millisecond)
|
|
i++
|
|
}
|
|
})
|
|
}
|