package installer

import (
	"testing"

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

// TestDownloadAndExtractEmptyURL verifies that an empty download URL (e.g. an
// empty release manifest after a failed startup fetch) fails with a clear
// error before any network attempt instead of a cryptic protocol error.
func TestDownloadAndExtractEmptyURL(t *testing.T) {
	t.Run("empty url without command runner", func(t *testing.T) {
		err := DownloadAndExtract(nil, nil, "", t.TempDir(), "archive.7z", "")
		require.Error(t, err)
		assert.Contains(t, err.Error(), "release manifest unavailable or missing a download URL")
	})

	t.Run("empty url with command runner", func(t *testing.T) {
		cr := NewCommandRunner(make(chan string, 10), nil)
		err := DownloadAndExtract(nil, cr, "", t.TempDir(), "archive.7z", "")
		require.Error(t, err)
		assert.Contains(t, err.Error(), "release manifest unavailable or missing a download URL")
	})
}