use assert_cmd::prelude::*;
use predicates::prelude::*;
use std::process::Command;

#[test]
// A Basic Smoke Test
fn run_with_defaults() -> Result<(), Box<dyn std::error::Error>> {
    Command::cargo_bin("catsay-ag")
        .expect("binary exists")
        .assert()
        .success()
        .stdout(predicate::str::contains("Meow!"));

    Ok(())
}

// Check that a Bad Argument Triggers a Failure
#[test]
fn fail_on_non_existing_file() -> Result<(), Box<dyn std::error::Error>> {
    Command::cargo_bin("catsay-ag")
        .expect("binary exists")
        .args(&["-f", "no/such/file.txt"])
        .assert()
        .failure();
    Ok(())
}

/*
1. A Basic Smoke Test
ag@mbp:~/src-rs/pract-rust-proj/cli/catsay-ag
$ cargo test
   Compiling catsay-ag v0.1.0 (/Users/ag/src-rs/pract-rust-proj/cli/catsay-ag)
    Finished test [unoptimized + debuginfo] target(s) in 2.41s
     Running target/debug/deps/catsay_ag-946b57914af2f7a9

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out

     Running target/debug/deps/integration_test-b2f9493b6808e29c

running 1 test
test run_with_defaults ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
*/

/*
2. Check that the STDOUT Contains a Certain String
ag@mbp:~/src-rs/pract-rust-proj/cli/catsay-ag
$ cargo test
   Compiling catsay-ag v0.1.0 (/Users/ag/src-rs/pract-rust-proj/cli/catsay-ag)
    Finished test [unoptimized + debuginfo] target(s) in 3.68s
     Running target/debug/deps/catsay_ag-946b57914af2f7a9

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out

     Running target/debug/deps/integration_test-b2f9493b6808e29c

running 2 tests
test fail_on_non_existing_file ... ok
test run_with_defaults ... ok

test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out

ag@mbp:~/src-rs/pract-rust-proj/cli/catsay-ag$
*/