fixcol 0.2.0

A library for reading and writing fixed width / column delimited data files.
Documentation 
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use std::fs;
use std::path::Path;
use std::process::Command;

extern crate escargot;

fn read_expected_output_file(name: &str, variant: &str) -> String {
    let file_name = format!("{}.txt", variant);

    let cargo = Path::new(env!("CARGO_MANIFEST_DIR"));
    let path = cargo
        .join("examples")
        .join(name)
        .join("expected_output")
        .join(file_name);

    if path.exists() {
        fs::read_to_string(path).unwrap()
    } else {
        String::new()
    }
}

// We allow dead code here because currently the only example uses the experimental-write feature.
// After adding some additional examples this lint exemption will be removed.
#[allow(dead_code)]
fn run_example_as_test(name: &str, features: &str) {
    let expected_stdout = read_expected_output_file(name, "stdout");
    let expected_stderr = read_expected_output_file(name, "stderr");

    let target_dir = tempfile::TempDir::new().unwrap();
    let example_bin = escargot::CargoBuild::new()
        .example(name)
        .target_dir(target_dir.path())
        .features(features)
        .run()
        .unwrap();

    let output = Command::new(example_bin.path()).output().unwrap();

    assert_eq!(String::from_utf8(output.stdout).unwrap(), expected_stdout);
    assert_eq!(String::from_utf8(output.stderr).unwrap(), expected_stderr);
}

#[cfg(feature = "experimental-write")]
#[test]
#[ignore]
fn test_habsburgs() {
    run_example_as_test("habsburgs", "experimental-write");
}