renamed New() returns execer instead of interface

helmexec/exec.go

@@ -17,11 +17,11 @@ type execer struct {
 	extra       []string
 }
 
-func NewHelmExec(writer io.Writer, kubeContext string) Interface {
+func New(writer io.Writer, kubeContext string) *execer {
 	return &execer{
 		writer:      writer,
 		kubeContext: kubeContext,
-		runner:      new(CliRunner),
+		runner:      &ShellRunner{},
 	}
 }
 
@@ -95,17 +95,3 @@ func (helm *execer) exec(args ...string) ([]byte, error) {
 	}
 	return helm.runner.Execute(command, cmdargs)
 }
-
-// for unit testing
-func (helm *execer) setRunner(runner Runner) {
-	helm.runner = runner
-}
-func (helm *execer) getExtra() []string {
-	return helm.extra
-}
-func (helm *execer) getKubeContent() string {
-	return helm.kubeContext
-}
-func (helm *execer) getWriter() io.Writer {
-	return helm.writer
-}