be83c11fb0
Signed-off-by: Daniel Nephin <dnephin@docker.com> Upstream-commit: 4f0d95fa6ee7f865597c03b9e63702cdcb0f7067 Component: engine
54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package reexec // import "github.com/docker/docker/pkg/reexec"
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import (
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"os"
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"os/exec"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func init() {
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Register("reexec", func() {
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panic("Return Error")
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})
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Init()
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}
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func TestRegister(t *testing.T) {
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defer func() {
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if r := recover(); r != nil {
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require.Equal(t, `reexec func already registered under name "reexec"`, r)
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}
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}()
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Register("reexec", func() {})
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}
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func TestCommand(t *testing.T) {
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cmd := Command("reexec")
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w, err := cmd.StdinPipe()
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require.NoError(t, err, "Error on pipe creation: %v", err)
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defer w.Close()
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err = cmd.Start()
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require.NoError(t, err, "Error on re-exec cmd: %v", err)
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err = cmd.Wait()
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require.EqualError(t, err, "exit status 2")
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}
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func TestNaiveSelf(t *testing.T) {
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if os.Getenv("TEST_CHECK") == "1" {
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os.Exit(2)
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}
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cmd := exec.Command(naiveSelf(), "-test.run=TestNaiveSelf")
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cmd.Env = append(os.Environ(), "TEST_CHECK=1")
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err := cmd.Start()
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require.NoError(t, err, "Unable to start command")
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err = cmd.Wait()
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require.EqualError(t, err, "exit status 2")
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os.Args[0] = "mkdir"
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assert.NotEqual(t, naiveSelf(), os.Args[0])
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}
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