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use crate::game_of_life::opts::Opts;
use crate::game_of_life::universe::Universe;
use clap::Error;
use regex::Regex;
#[cfg(test)]
use mocktopus::macros::mockable;
/// Generate a new Universe/Board with a parsed local file or remote URL/file
///
/// If a URL is provided as an input (starting with http/ftp) the URL/File will be downloaded
/// and parsed to generate a seeding input for the simulation
/// otherwise, it'll be assumed that it's a path to a local file that will be parsed, and
/// used as the seeding input
#[cfg_attr(test, mockable)]
pub(crate) fn new(opts: Opts) -> Result<Universe, Error> {
let input = opts.input.clone().unwrap();
match Regex::new("^(ht|f)?tp(s)?://*").unwrap().is_match(&input) {
true => generate_url_data(opts),
false => generate_file_data(opts),
}
}
#[cfg(test)]
mod new {
use super::*;
use mocktopus::mocking::*;
fn universe_mock(opts: Opts) -> Universe {
Universe {
opts,
current: vec![vec![]],
future: vec![vec![]],
}
}
fn opts(input: Option<String>) -> Opts {
Opts {
input,
width: 13,
height: 13,
seed: 1337,
live_cell: 'L',
dead_cell: 'D',
delay: 13,
}
}
#[test]
fn with_url() {
let opts = opts(Some(String::from("https://example.com")));
generate_file_data.mock_safe(|_| panic!());
generate_url_data.mock_safe(|opts| MockResult::Return(Ok(universe_mock(opts))));
let universe = new(opts.clone()).unwrap();
assert_eq!(universe, universe_mock(opts));
}
#[test]
fn with_file() {
let opts = opts(Some(String::from("./example.txt")));
generate_file_data.mock_safe(|opts| MockResult::Return(Ok(universe_mock(opts))));
generate_url_data.mock_safe(|_| panic!());
let universe = new(opts.clone()).unwrap();
assert_eq!(universe, universe_mock(opts));
}
}
/// Reads a local file and parses it, converting alpha-numerical chars into living cells
/// in a newly generated universe simulation
#[cfg_attr(test, mockable)]
fn generate_file_data(_opts: Opts) -> Result<Universe, Error> {
unimplemented!()
}
/// Reads a URL and parses it, converting alpha-numerical chars into living cells
/// in a newly generated universe simulation
#[cfg_attr(test, mockable)]
fn generate_url_data(_opts: Opts) -> Result<Universe, Error> {
unimplemented!()
}
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