// +build ignore package main import ( "log" "text/template" "../../../gen" ) func main() { t, err := template.New("").Parse(tmpl) if err != nil { log.Fatal(err) } var j js if err := gen.Gen("leap", &j, t); err != nil { log.Fatal(err) } } // The JSON structure we expect to be able to unmarshal into type js struct { Cases []struct { Description string Input int Expected bool } } // template applied to above data structure generates the Go test cases var tmpl = `package leap {{.Header}} var testCases = []struct { year int expected bool description string }{ {{range .J.Cases}}{ {{.Input}}, {{.Expected}}, {{printf "%q" .Description}}}, {{end}}} `