test/50-output-10-batslib_err.bats


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#!/usr/bin/env bats

load test_helper

@test 'batslib_err() <message...>: displays <message...>' {
  run batslib_err 'm1' 'm2'
  [ "$status" -eq 0 ]
  [ "$output" == 'm1 m2' ]
}

@test 'batslib_err(): reads <message...> from STDIN' {
  run bash -c "source '${TEST_MAIN_DIR}/load.bash'
               echo 'm1' 'm2' | batslib_err"
  [ "$status" -eq 0 ]
  [ "$output" == 'm1 m2' ]
}

@test 'batslib_err() works with modified path' {
  export PATH="$BATS_TEST_DIRNAME:$PATH"
  echo 'm1 m2' | {
    # Verify stub
    run which cat
    [ "$status" -eq 0 ]
    [ "$output" = "$BATS_TEST_DIRNAME/cat" ]
    # Should still work
    run batslib_err
    [ "$status" -eq 0 ]
    [ "$output" == 'm1 m2' ]
  }
}

@test 'batslib_err() works with mock function' {
  echo 'm1 m2' | {
    function cat {
      echo "Mocked cat"
    }
    [ "$(cat)" = "Mocked cat" ]
    # Should still work
    run batslib_err
    [ "$status" -eq 0 ]
    [ "$output" == 'm1 m2' ]
  }
}