package cli

import (
	"runtime/debug"
	"testing"

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

func TestResolveVersion(t *testing.T) {
	t.Parallel()

	release := &debug.BuildInfo{Main: debug.Module{Version: "v1.2.3"}}
	local := &debug.BuildInfo{Main: debug.Module{Version: "(devel)"}}
	empty := &debug.BuildInfo{}

	t.Run("stamped value wins over build info", func(t *testing.T) {
		t.Parallel()
		require.Equal(t, "v0.1.0", resolveVersion("v0.1.0", release))
	})

	t.Run("go install reports the module version", func(t *testing.T) {
		t.Parallel()
		require.Equal(t, "v1.2.3", resolveVersion(devVersion, release))
	})

	t.Run("a local build stays dev", func(t *testing.T) {
		t.Parallel()
		require.Equal(t, devVersion, resolveVersion(devVersion, local))
	})

	t.Run("no version anywhere stays dev", func(t *testing.T) {
		t.Parallel()
		require.Equal(t, devVersion, resolveVersion(devVersion, empty))
		require.Equal(t, devVersion, resolveVersion(devVersion, nil))
	})
}