specker 0.3.5

Testing utility that simplifies file matching against bunch of templates.
Documentation 
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extern crate specker;

use std::collections::HashMap;
use std::fs;
use std::path::PathBuf;

fn main() {
    let src_dir: PathBuf = PathBuf::from(file!()).parent().map(|p| p.into()).unwrap();
    let spec_dir = src_dir.join("spec");

    for maybe_spec in specker::walk_spec_dir(
        &spec_dir,
        "txt",
        specker::Options {
            skip_lines: "..",
            marker: "##",
            var_start: "${",
            var_end: "}",
        },
    ) {
        let spec_path = maybe_spec.unwrap_or_else(|e| {
            // print nicely formatted error
            panic!("\n{}", specker::display_error(&e));
        });

        // go over spec items and check if file contents match
        for (item, input_file_name) in spec_path.spec.iter().filter_map(|item| {
            item.get_param("file")
                .map(|param_value| (item, param_value))
        }) {
            let path = spec_dir.join(input_file_name);
            let mut file =
                fs::File::open(&path).expect(&format!("failed to open file {:?}", &path));

            if let Err(e) = item.match_contents(&mut file, &HashMap::new()) {
                // print nicely formatted error
                panic!("\n{}", specker::display_error_for_file(&path, &e));
            }
        }
    }

    println!("example succeeded, try to modify /spec files to see some errors")
}