package cmd

import (
	"bytes"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestCompletionGeneration(t *testing.T) {
	for _, shell := range []string{"bash", "zsh", "fish"} {
		t.Run(shell, func(t *testing.T) {
			completionCmd := newCompletionCmd().cmd
			stdout := bytes.NewBufferString("")
			stderr := bytes.NewBufferString("")
			completionCmd.SetOut(stdout)
			completionCmd.SetErr(stderr)
			completionCmd.SetArgs([]string{shell})
			err := completionCmd.Execute()
			require.NoError(t, err, shell+" arg experienced error with goreleaser completion:\n"+stderr.String())
			require.Equal(t, "", stderr.String(), shell+" arg experienced error with goreleaser completion:\n"+stderr.String())
			require.NotEmpty(t, stdout.String(), shell+" arg reported nothing to stdout with goreleaser completion")
		})
	}
}