#!/usr/bin/env bash

@test "correct arguments" {
  run bash error_handling.sh Alice

  [ "$status" -eq 0 ]
  [ "$output" = "Hello, Alice" ]
}

@test "one long argument" {
  run bash error_handling.sh "Alice and Bob"

  [ "$status" -eq 0 ]
  [ "$output" = "Hello, Alice and Bob" ]
}

@test "incorrect arguments" {
  run bash error_handling.sh Alice Bob

  [ "$status" -eq 1 ]
  [ "$output" = "Usage: ./error_handling <greetee>" ]
}

@test "print usage banner with no value given" {
  run bash error_handling.sh

  [ "$status" -eq 1 ]
  [ "$output" = "Usage: ./error_handling <greetee>" ]
}

@test "empty argument" {
  run bash error_handling.sh ""

  [ "$status" -eq 0 ]
  [ "$output" = "Hello, " ]
}