mirror of https://github.com/status-im/consul.git
81 lines
2.5 KiB
Go
81 lines
2.5 KiB
Go
// Copyright (c) 2017 Uber Technologies, Inc.
|
|
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
package goleak
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"go.uber.org/goleak/internal/stack"
|
|
)
|
|
|
|
// TestingT is the minimal subset of testing.TB that we use.
|
|
type TestingT interface {
|
|
Error(...interface{})
|
|
}
|
|
|
|
// filterStacks will filter any stacks excluded by the given opts.
|
|
// filterStacks modifies the passed in stacks slice.
|
|
func filterStacks(stacks []stack.Stack, skipID int, opts *opts) []stack.Stack {
|
|
filtered := stacks[:0]
|
|
for _, stack := range stacks {
|
|
// Always skip the running goroutine.
|
|
if stack.ID() == skipID {
|
|
continue
|
|
}
|
|
// Run any default or user-specified filters.
|
|
if opts.filter(stack) {
|
|
continue
|
|
}
|
|
filtered = append(filtered, stack)
|
|
}
|
|
return filtered
|
|
}
|
|
|
|
// Find looks for extra goroutines, and returns a descriptive error if
|
|
// any are found.
|
|
func Find(options ...Option) error {
|
|
cur := stack.Current().ID()
|
|
|
|
opts := buildOpts(options...)
|
|
var stacks []stack.Stack
|
|
retry := true
|
|
for i := 0; retry; i++ {
|
|
stacks = filterStacks(stack.All(), cur, opts)
|
|
|
|
if len(stacks) == 0 {
|
|
return nil
|
|
}
|
|
retry = opts.retry(i)
|
|
}
|
|
|
|
return fmt.Errorf("found unexpected goroutines:\n%s", stacks)
|
|
}
|
|
|
|
// VerifyNone marks the given TestingT as failed if any extra goroutines are
|
|
// found by Find. This is a helper method to make it easier to integrate in
|
|
// tests by doing:
|
|
// defer VerifyNone(t)
|
|
func VerifyNone(t TestingT, options ...Option) {
|
|
if err := Find(options...); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|