clash api: download clash-dashboard if external-ui directory is empty

common/badversion/version_test.go

@@ -0,0 +1,18 @@
+package badversion
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestCompareVersion(t *testing.T) {
+	t.Parallel()
+	require.Equal(t, "1.3.0-beta.1", Parse("v1.3.0-beta1").String())
+	require.Equal(t, "1.3-beta1", Parse("v1.3.0-beta.1").BadString())
+	require.True(t, Parse("1.3.0").After(Parse("1.3-beta1")))
+	require.True(t, Parse("1.3.0").After(Parse("1.3.0-beta1")))
+	require.True(t, Parse("1.3.0-beta1").After(Parse("1.3.0-alpha1")))
+	require.True(t, Parse("1.3.1").After(Parse("1.3.0")))
+	require.True(t, Parse("1.4").After(Parse("1.3")))
+}