# frozen_string_literal: true

# Cloud Foundry Java Buildpack
# Copyright 2013-2020 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

require 'spec_helper'
require 'console_helper'
require 'java_buildpack/util/shell'
require 'timeout'

describe JavaBuildpack::Util::Shell do
  include described_class
  include_context 'with console help'

  it 'returns if command returns a zero exit code' do
    shell 'true'
  end

  it 'raises an error if command returns a non-zero exit code' do
    expect { shell 'false' }.to raise_error RuntimeError
  end

  it 'handles a large amount of output' do
    Timeout.timeout(2) { shell "cat /dev/urandom | env LC_CTYPE=C tr -dc 'a-zA-Z0-9' | fold -w 1000000 | head -n 1" }
  end

end
