// Issue #12961
func TestDartSassVars(t *testing.T) {
	t.Parallel()

	files := `
-- hugo.toml --
disableKinds = ['page','section','rss','sitemap','taxonomy','term']
-- layouts/index.html --
{{ $opts := dict "transpiler" "dartsass" "outputStyle" "compressed" "vars" (dict "color" "red") }}
{{ with resources.Get "main.scss" | css.Sass $opts }}
  {{ .Content }}
{{ end }}
-- assets/main.scss --
@use "hugo:vars" as v;
body {color: v.$color;}
`

	b := hugolib.Test(t, files, hugolib.TestOptWarn())

	b.AssertFileContent("public/index.html", "body{color:red}")
	b.AssertLogContains("! WARN  Dart Sass: hugo:vars") // failing assertion
}

				varsSlice = append(varsSlice, fmt.Sprintf("%s%s: string.unquote(%q);", prefix, k, v))
			}
		}
	}
	sort.Strings(varsSlice)
	varsStylesheet = `@use "sass:string";` + "\n" + strings.Join(varsSlice, "\n")
	return varsStylesheet
}