blob: b08300b5d60a56157584e020b5ee8c8ab077d1f6 [file] [log] [blame]
// Copyright 2016 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 testdeps provides access to dependencies needed by test execution.
//
// This package is imported by the generated main package, which passes
// TestDeps into testing.Main. This allows tests to use packages at run time
// without making those packages direct dependencies of package testing.
// Direct dependencies of package testing are harder to write tests for.
package testdeps
import (
"io"
"regexp"
"runtime/pprof"
)
// TestDeps is an implementation of the testing.testDeps interface,
// suitable for passing to testing.MainStart.
type TestDeps struct{}
var matchPat string
var matchRe *regexp.Regexp
func (TestDeps) MatchString(pat, str string) (result bool, err error) {
if matchRe == nil || matchPat != pat {
matchPat = pat
matchRe, err = regexp.Compile(matchPat)
if err != nil {
return
}
}
return matchRe.MatchString(str), nil
}
func (TestDeps) StartCPUProfile(w io.Writer) error {
return pprof.StartCPUProfile(w)
}
func (TestDeps) StopCPUProfile() {
pprof.StopCPUProfile()
}
func (TestDeps) WriteHeapProfile(w io.Writer) error {
return pprof.WriteHeapProfile(w)
}
func (TestDeps) WriteProfileTo(name string, w io.Writer, debug int) error {
return pprof.Lookup(name).WriteTo(w, debug)
}