mirror of https://github.com/tailscale/tailscale/
tempfork/internal/testenv: remove
It was for our x509 fork and no longer needed. (x509 changes went into our Go fork instead)pull/422/head
Brad Fitzpatrick
5 years ago
parent
a96165679c
commit
9bbcdba2b3
@ -1,160 +0,0 @@
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package testenv is Tailscale's fork/subset of Go's
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// internal/testenv. It exists to satisfy the tests of our fork of
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// crypto/x509.
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package testenv
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import (
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"errors"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strings"
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"testing"
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)
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// HasGoBuild reports whether the current system can build programs with ``go build''
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// and then run them with os.StartProcess or exec.Command.
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func HasGoBuild() bool {
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if os.Getenv("GO_GCFLAGS") != "" {
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// It's too much work to require every caller of the go command
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// to pass along "-gcflags="+os.Getenv("GO_GCFLAGS").
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// For now, if $GO_GCFLAGS is set, report that we simply can't
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// run go build.
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return false
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}
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switch runtime.GOOS {
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case "android", "js":
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return false
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case "darwin":
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if runtime.GOARCH == "arm64" {
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return false
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}
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}
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return true
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}
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// MustHaveGoBuild checks that the current system can build programs with ``go build''
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// and then run them with os.StartProcess or exec.Command.
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// If not, MustHaveGoBuild calls t.Skip with an explanation.
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func MustHaveGoBuild(t testing.TB) {
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if os.Getenv("GO_GCFLAGS") != "" {
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t.Skipf("skipping test: 'go build' not compatible with setting $GO_GCFLAGS")
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}
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if !HasGoBuild() {
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t.Skipf("skipping test: 'go build' not available on %s/%s", runtime.GOOS, runtime.GOARCH)
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}
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}
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// HasGoRun reports whether the current system can run programs with ``go run.''
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func HasGoRun() bool {
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// For now, having go run and having go build are the same.
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return HasGoBuild()
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}
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// MustHaveGoRun checks that the current system can run programs with ``go run.''
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// If not, MustHaveGoRun calls t.Skip with an explanation.
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func MustHaveGoRun(t testing.TB) {
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if !HasGoRun() {
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t.Skipf("skipping test: 'go run' not available on %s/%s", runtime.GOOS, runtime.GOARCH)
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}
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}
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// GoTool reports the path to the Go tool.
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func GoTool() (string, error) {
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if !HasGoBuild() {
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return "", errors.New("platform cannot run go tool")
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}
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var exeSuffix string
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if runtime.GOOS == "windows" {
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exeSuffix = ".exe"
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}
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path := filepath.Join(runtime.GOROOT(), "bin", "go"+exeSuffix)
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if _, err := os.Stat(path); err == nil {
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return path, nil
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}
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goBin, err := exec.LookPath("go" + exeSuffix)
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if err != nil {
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return "", errors.New("cannot find go tool: " + err.Error())
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}
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return goBin, nil
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}
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// GoToolPath reports the path to the Go tool.
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// It is a convenience wrapper around GoTool.
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// If the tool is unavailable GoToolPath calls t.Skip.
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// If the tool should be available and isn't, GoToolPath calls t.Fatal.
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func GoToolPath(t testing.TB) string {
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MustHaveGoBuild(t)
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path, err := GoTool()
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if err != nil {
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t.Fatal(err)
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}
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// Add all environment variables that affect the Go command to test metadata.
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// Cached test results will be invalidate when these variables change.
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// See golang.org/issue/32285.
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for _, envVar := range strings.Fields(KnownEnv) {
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os.Getenv(envVar)
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}
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return path
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}
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// KnownEnv is a list of environment variables that affect the operation
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// of the Go command.
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const KnownEnv = `
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AR
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CC
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CGO_CFLAGS
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CGO_CFLAGS_ALLOW
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CGO_CFLAGS_DISALLOW
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CGO_CPPFLAGS
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CGO_CPPFLAGS_ALLOW
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CGO_CPPFLAGS_DISALLOW
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CGO_CXXFLAGS
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CGO_CXXFLAGS_ALLOW
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CGO_CXXFLAGS_DISALLOW
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CGO_ENABLED
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CGO_FFLAGS
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CGO_FFLAGS_ALLOW
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CGO_FFLAGS_DISALLOW
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CGO_LDFLAGS
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CGO_LDFLAGS_ALLOW
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CGO_LDFLAGS_DISALLOW
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CXX
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FC
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GCCGO
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GO111MODULE
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GO386
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GOARCH
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GOARM
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GOBIN
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GOCACHE
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GOENV
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GOEXE
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GOFLAGS
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GOGCCFLAGS
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GOHOSTARCH
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GOHOSTOS
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GOINSECURE
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GOMIPS
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GOMIPS64
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GOMODCACHE
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GONOPROXY
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GONOSUMDB
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GOOS
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GOPATH
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GOPPC64
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GOPRIVATE
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GOPROXY
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GOROOT
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GOSUMDB
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GOTMPDIR
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GOTOOLDIR
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GOWASM
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GO_EXTLINK_ENABLED
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PKG_CONFIG
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`
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