// +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("word-count", &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 string Expected map[string]int } } // template applied to above data structure generates the Go test cases var tmpl = `package wordcount // Source: {{.Ori}} {{if .Commit}}// Commit: {{.Commit}} {{end}} var testCases = []struct { description string input string output Frequency }{ {{range .J.Cases}}{ {{printf "%q" .Description}}, {{printf "%q" .Input}}, Frequency{ {{range $key, $val := .Expected}} {{printf "%q: %d, " $key $val}} {{end}} }, }, {{end}}} `