use std::str::from_utf8;
use parser::ArgumentParser;
use super::{Store, List};
#[test]
fn test_empty() {
let ap = ArgumentParser::new();
let mut buf = Vec::<u8>::new();
assert!(ap.print_usage("./argparse_test", &mut buf).is_ok());
assert_eq!("Usage:\n ./argparse_test\n", from_utf8(&buf[..]).unwrap());
}
#[test]
fn test_options() {
let mut val = 0;
let mut buf = Vec::<u8>::new();
{
let mut ap = ArgumentParser::new();
ap.refer(&mut val)
.add_option(&["--value"], Store,
"Set integer value");
assert!(ap.print_usage("./argparse_test", &mut buf).is_ok());
}
assert_eq!("Usage:\n ./argparse_test [OPTIONS]\n",
from_utf8(&buf[..]).unwrap());
}
#[test]
fn test_argument() {
let mut val = 0;
let mut ap = ArgumentParser::new();
ap.refer(&mut val)
.add_argument("value", Store,
"Integer value");
let mut buf = Vec::<u8>::new();
assert!(ap.print_usage("./argparse_test", &mut buf).is_ok());
assert_eq!("Usage:\n ./argparse_test [VALUE]\n",
from_utf8(&buf[..]).unwrap());
}
#[test]
fn test_arguments() {
let mut v1 = 0;
let mut v2 = Vec::<u32>::new();
let mut ap = ArgumentParser::new();
ap.refer(&mut v1)
.add_argument("v1", Store,
"Integer value 1");
ap.refer(&mut v2)
.add_argument("v2", List,
"More values");
let mut buf = Vec::<u8>::new();
assert!(ap.print_usage("./argparse_test", &mut buf).is_ok());
assert_eq!("Usage:\n ./argparse_test [V1] [V2 ...]\n",
from_utf8(&buf[..]).unwrap());
}