package jen_test import ( "bytes" "testing" . "github.com/dave/jennifer/jen" ) func TestStatement_Render(t *testing.T) { file := NewFile("main") file.ImportAlias("fmt", "fmtalias") statement := file.Func().Id("main").Params().Block( Qual("fmt", "Println").Call(Lit("something")), ) expect := `func main() { fmtalias.Println("something") }` var got bytes.Buffer err := statement.RenderWithFile(&got, file) if err != nil { t.Fatal(err) } if got.String() != expect { t.Fatalf("Got: %v, expect: %v", got.String(), expect) } }