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Source file src/testing/internal/testdeps/deps.go

Documentation: testing/internal/testdeps

  // 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)
  }
  
  // ImportPath is the import path of the testing binary, set by the generated main function.
  var ImportPath string
  
  func (TestDeps) ImportPath() string {
  	return ImportPath
  }
  

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