use std::process::Command;  // Run programs
use assert_cmd::prelude::*; // Add methods on commands
use predicates::prelude::*; // Used for writing assertions
use assert_cmd::assert::Assert;

// Our own function, so that we can better debug the failure
fn success(self0: Assert) -> Assert {
    if !self0.get_output().status.success() {
        let actual_code = self0.get_output().status.code().unwrap_or_else(|| {
            panic!("INTERRUPTED")
        });
        panic!("Non zero exit code: {}", actual_code);
    }
    self0
}

#[test]
fn test_help() {
    let mut cmd = Command::cargo_bin("fpm").unwrap();
    cmd.arg("--help");
    success(cmd.assert())
        .stdout(
            predicate::str::contains("--help       Prints help information"));
}


#[test]
fn test_1() {
    let mut build = Command::cargo_bin("fpm").unwrap();
    build.arg("build")
        .current_dir("tests/1");
    success(build.assert())
        .stdout(predicate::str::contains("Built target p1")
                .and(predicate::str::contains("TEST1 OK").not()));

    let mut run = Command::cargo_bin("fpm").unwrap();
    run.arg("run")
        .current_dir("tests/1");
    success(run.assert())
        .stdout(predicate::str::contains("TEST1 OK"));
}

#[test]
fn test_2() {
    let mut build = Command::cargo_bin("fpm").unwrap();
    build.arg("build")
        .current_dir("tests/2");
    success(build.assert())
        .stdout(predicate::str::contains("Built target p1")
                .and(predicate::str::contains("TEST2 OK").not()));

    let mut run = Command::cargo_bin("fpm").unwrap();
    run.arg("run")
        .current_dir("tests/2");
    success(run.assert())
        .stdout(predicate::str::contains("TEST2 OK"));
}