fastsim-core 0.1.0

Core FASTSim models for vehicle energy usage simulation
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//! Ensures that files that are duplicated in Python resources folder
//! and locally in this crate are identical

use std::env;
use std::fs;
use std::path::PathBuf;

fn main() {
    // path when running `cargo publish` in fastsim-core/
    let publish_path = "../../../../python/fastsim/resources".to_string();
    // path when building using build_and_test.sh
    let build_path = "../../python/fastsim/resources".to_string();

    let prepath: String = match PathBuf::from(publish_path.clone()).exists() {
        true => publish_path,
        false => build_path,
    };

    assert!(
        PathBuf::from(prepath.clone()).exists(),
        "{:?} does not exist.",
        PathBuf::from(prepath).canonicalize()
    );

    let truth_files = [
        format!(
            "{}/{}/longparams.json",
            env::current_dir().unwrap().as_os_str().to_str().unwrap(),
            prepath
        ),
        format!(
            "{}/{}/cycles/udds.csv",
            env::current_dir().unwrap().as_os_str().to_str().unwrap(),
            prepath
        ),
        format!(
            "{}/{}/cycles/hwfet.csv",
            env::current_dir().unwrap().as_os_str().to_str().unwrap(),
            prepath
        ),
    ];

    let compare_files = [
        format!(
            "{}/resources/longparams.json",
            env::current_dir().unwrap().as_os_str().to_str().unwrap()
        ),
        format!(
            "{}/resources/udds.csv",
            env::current_dir().unwrap().as_os_str().to_str().unwrap()
        ),
        format!(
            "{}/resources/hwfet.csv",
            env::current_dir().unwrap().as_os_str().to_str().unwrap()
        ),
    ];

    for (tf, cf) in truth_files.iter().zip(compare_files) {
        let tfc = fs::read_to_string(tf).unwrap_or_else(|_| panic!("{tf} does not exist."));

        let cfc = fs::read_to_string(cf.clone()).unwrap_or_else(|_| panic!("{cf} does not exist."));

        if tfc != cfc {
            panic!("Reference file {tf} does not match file being compared: {cf}.  Copy {tf} to {cf} to fix this.")
        }
    }
}