example.butt

#!/bin/env butt

# define user functions
function before {
  :
}
function after {
  :
}

start "simple test"
  before
  debug echo "test"
  assert_equal $status 0
  assert_equal "$stdout" test
  after
end

start "test stderr"
  before
  debug echo "test >&2"
  assert_equal $status 0
  assert_equal "$stderr" test
  after
end

start "complex test"

  # call user function
  before

  # some custom code before test

  # debug tested command
  debug echo -e "test$'\n'test1"

  # assert command output
  assert_equal $status 0
  assert_equal "${outlines[0]}" test
  assert_equal "${outlines[1]}" test1

  # debug second tested command
  debug 'echo "aaa bbb" | cut -d" " -f2'

  # assert command output
  assert_equal $status 0
  assert_equal $stdout bbb

  # debug second tested command (another way)
  out="$(echo "aaa bbb" | cut -d" " -f2)"

  assert_equal $? 0
  assert_equal $out bbb

  # call user function
  after

# end test
end

# test case can be placed in loop
for (( i = 0; i < 3; i++ )); do
  start "test in loop #$i"
    debug echo $i
    assert_equal $status 0
  end
done

# dynamic test case
function test_number {
  start "test '${1-}' is a number"
    [[ "${1-}" =~ ^-?[1-9][0-9]*$ ]]
    assert_equal $? 0
  end
}

test_number 1
test_number
test_number abc

# start "example of disabled test"
#   debug echo "test"
#   assert_equal $status 0
#   assert_equal "$stdout" test
# end