//
// There is a copy of this code in x/tools/cmd/godoc/goroot.go.
func findGOROOT(env string) string {
	if env == "" {
		// Not using Getenv because findGOROOT is called
		// to find the GOROOT/go.env file. initEnvCache
		// has passed in the setting from the user go/env file.
		env = os.Getenv("GOROOT")
	}
	if env != "" {
		return filepath.Clean(env)
	}
	def := ""
	if r := runtime.GOROOT(); r != "" {

	// but in practice there might be skew
	// This makes sure we all agree.
	cfg.OrigEnv = toolchain.FilterEnv(os.Environ())
	cfg.CmdEnv = envcmd.MkEnv()
	for _, env := range cfg.CmdEnv {
		if os.Getenv(env.Name) != env.Value {
			os.Setenv(env.Name, env.Value)
		}
	}

	cmd.Flag.Usage = func() { cmd.Usage() }
	if cmd.CustomFlags {
		args = args[1:]
	} else {
		base.SetFromGOFLAGS(&cmd.Flag)

# the venv and the venv is active when those tests run. The venv gets cleaned
# up in teardown_file() above.
@test "Wheel is installable" {
    python3 -m venv /tf/venv
    source /tf/venv/bin/activate
    python3 -m pip install --upgrade setuptools wheel
    python3 -m pip install "$TF_WHEEL"
}

@test "TensorFlow is importable" {
    source /tf/venv/bin/activate

env GOOS=linux

env GOARCH=amd64
env GOAMD64=v3
go list -f '{{context.ToolTags}}'
stdout 'amd64.v1 amd64.v2 amd64.v3'

env GOARCH=arm
env GOARM=6
go list -f '{{context.ToolTags}}'
stdout 'arm.5 arm.6'

env GOARCH=mips
env GOMIPS=hardfloat
go list -f '{{context.ToolTags}}'
stdout 'mips.hardfloat'

env GOARCH=mips64
env GOMIPS=hardfloat
go list -f '{{context.ToolTags}}'
stdout 'mips64.hardfloat'

env GOARCH=ppc64

# to a user's environment.
go help telemetry
env TEST_TELEMETRY_DIR=

# Set userconfig dir, which is determined by os.UserConfigDir.
# The telemetry dir is determined using that.
mkdir $WORK/userconfig
env AppData=$WORK\userconfig # windows
[GOOS:windows] env userconfig=$AppData
env HOME=$WORK/userconfig # darwin,unix,ios
[GOOS:darwin] env userconfig=$HOME'/Library/Application Support'
[GOOS:ios] env userconfig=$HOME'/Library/Application Support'

env GO111MODULE=off

# go env should default to the right places
env AppData=$HOME/windowsappdata
env home=$HOME/plan9home
go env GOENV
[GOOS:aix] stdout $HOME/.config/go/env
[GOOS:darwin] stdout $HOME'/Library/Application Support/go/env'
[GOOS:freebsd] stdout $HOME/.config/go/env
[GOOS:linux] stdout $HOME/.config/go/env
[GOOS:netbsd] stdout $HOME/.config/go/env
[GOOS:openbsd] stdout $HOME/.config/go/env
[GOOS:plan9] stdout $HOME/plan9home/lib/go/env

# Test query for non-defaults in the env

env GOROOT=./a
env GOTOOLCHAIN=local
env GOSUMDB=nodefault
env GOPROXY=nodefault
env GO111MODULE=auto
env CGO_CFLAGS=nodefault
env CGO_CPPFLAGS=nodefault

go env -changed
# linux output like GOTOOLCHAIN='local'
# windows output like GOTOOLCHAIN=local
stdout 'GOTOOLCHAIN=''?local''?'
stdout 'GOSUMDB=''?nodefault''?'
stdout 'GOPROXY=''?nodefault''?'
stdout 'GO111MODULE=''?auto''?'

		env = append(env, fmt.Sprintf("CONTENT_LENGTH=%d", req.ContentLength))
	}
	if ctype := req.Header.Get("Content-Type"); ctype != "" {
		env = append(env, "CONTENT_TYPE="+ctype)
	}

	envPath := os.Getenv("PATH")
	if envPath == "" {
		envPath = "/bin:/usr/bin:/usr/ucb:/usr/bsd:/usr/local/bin"
	}
	env = append(env, "PATH="+envPath)

	for _, e := range h.InheritEnv {
		if v := os.Getenv(e); v != "" {

    @Rule final SetSystemProperties systemProperties = new SetSystemProperties()
    final ProcessEnvironment env = NativeServicesTestFixture.getInstance().get(ProcessEnvironment)

    def "can set and remove environment variable"() {
        when:
        env.setEnvironmentVariable("TEST_ENV_1", "value")
        env.maybeSetEnvironmentVariable("TEST_ENV_2", "value")

        then:
        System.getenv("TEST_ENV_1") == "value"

	env, ctx := setup(t)
	env.runFunc()
	defer env.cleanFunc()

	env.Interface.ApiextensionsV1().CustomResourceDefinitions().Create(ctx, coolMultiVersion, metav1.CreateOptions{})
	env.pollForPathExists("/apis/stable.example.com/v1/coolbars")
	env.pollForPathExists("/apis/stable.example.com/v1beta1/coolbars")
	s := env.fetchOpenAPIOrDie()
	env.expectPath(s, "/apis/stable.example.com/v1/coolbars")