package lang

import (
	"strings"
	"testing"
)

func TestGenerateGoLowercaseImportedSelectors(t *testing.T) {
	prog, err := Parse(`
package demo

import http net.http
import json encoding.json

fun main(handler: (http.ResponseWriter, *http.Request) -> Unit, body: ByteSlice, target: Any) {
    http.handleFunc("/health", handler)
    json.unmarshal(body, &target)
}
`)
	if err != nil {
		t.Fatalf("parse failed: %v", err)
	}
	out, err := GenerateGo(prog)
	if err != nil {
		t.Fatalf("generation failed: %v", err)
	}
	for _, want := range []string{"http.HandleFunc(\"/health\", handler)", "json.Unmarshal(body, &target)"} {
		if !strings.Contains(string(out), want) {
			t.Fatalf("generated Go missing %q:\n%s", want, out)
		}
	}
}