Ejemplo n.º 1
0
func (S) TestSetEnvVar(c *C) {
	os.Setenv("PIPE_NEW_VAR", "")
	os.Setenv("PIPE_OLD_VAR", "old")
	defer os.Setenv("PIPE_OLD_VAR", "")
	p := pipe.Script(
		pipe.SetEnvVar("PIPE_NEW_VAR", "new"),
		pipe.System("echo $PIPE_OLD_VAR $PIPE_NEW_VAR"),
		pipe.SetEnvVar("PIPE_NEW_VAR", "after"),
		func(s *pipe.State) error {
			count := 0
			prefix := "PIPE_NEW_VAR="
			for _, kv := range s.Env {
				if strings.HasPrefix(kv, prefix) {
					count++
				}
			}
			if count != 1 {
				return fmt.Errorf("found %d environment variables", count)
			}
			return nil
		},
	)
	output, err := pipe.Output(p)
	c.Assert(err, IsNil)
	c.Assert(string(output), Equals, "old new\n")
	c.Assert(os.Getenv("PIPE_NEW_VAR"), Equals, "")
}
Ejemplo n.º 2
0
func (S) TestLineIsolatesEnv(c *C) {
	p := pipe.Line(
		pipe.SetEnvVar("PIPE_VAR", "outer"),
		pipe.Line(
			pipe.SetEnvVar("PIPE_VAR", "inner"),
		),
		pipe.System("echo $PIPE_VAR"),
	)
	output, err := pipe.Output(p)
	c.Assert(err, IsNil)
	c.Assert(string(output), Equals, "outer\n")
}