old_contents: import pytest
  from tests.functional.plots import with_confirmation, without_confirmation, \
      refuse_with_confirmation, history_changed, history_not_changed, \
      select_command_with_arrows, how_to_configure
  
  containers = (('thefuck/ubuntu-python3-zsh',
                 u'''FROM ubuntu:latest
                     RUN apt-get update
                     RUN apt-get install -yy python3 python3-pip python3-dev git
                     RUN pip3 install -U setuptools
                     RUN ln -s /usr/bin/pip3 /usr/bin/pip
                     RUN apt-get install -yy zsh''',
                 u'zsh'),
                ('thefuck/ubuntu-python2-zsh',
                 u'''FROM ubuntu:latest
                     RUN apt-get update
                     RUN apt-get install -yy python python-pip python-dev git
                     RUN pip2 install -U pip setuptools
                     RUN apt-get install -yy zsh''',
                 u'zsh'))
  
  
  @pytest.fixture(params=containers)
  def proc(request, spawnu, TIMEOUT):
      proc = spawnu(*request.param)
      proc.sendline(u'pip install /src')
      assert proc.expect([TIMEOUT, u'Successfully installed'])
      proc.sendline(u'eval $(thefuck --alias)')
      proc.sendline(u'export HISTFILE=~/.zsh_history')
      proc.sendline(u'echo > $HISTFILE')
      proc.sendline(u'export SAVEHIST=100')
      proc.sendline(u'export HISTSIZE=100')
      proc.sendline(u'setopt INC_APPEND_HISTORY')
      return proc
  
  
  @pytest.mark.functional
  def test_with_confirmation(proc, TIMEOUT):
      with_confirmation(proc, TIMEOUT)
      history_changed(proc, TIMEOUT, u'echo test')
  
  
  @pytest.mark.functional
  def test_select_command_with_arrows(proc, TIMEOUT):
      select_command_with_arrows(proc, TIMEOUT)
      history_changed(proc, TIMEOUT, u'git help')
  
  
  @pytest.mark.functional
  def test_refuse_with_confirmation(proc, TIMEOUT):
      refuse_with_confirmation(proc, TIMEOUT)
      history_not_changed(proc, TIMEOUT)
  
  
  @pytest.mark.functional
  def test_without_confirmation(proc, TIMEOUT):
      without_confirmation(proc, TIMEOUT)
      history_changed(proc, TIMEOUT, u'echo test')
  
  
  @pytest.mark.functional
  def test_how_to_configure_alias(proc, TIMEOUT):
      how_to_configure(proc, TIMEOUT)
  
new_contents: import pytest
  from tests.functional.plots import with_confirmation, without_confirmation, \
      refuse_with_confirmation, history_changed, history_not_changed, \
      select_command_with_arrows, how_to_configure
  
  containers = (('thefuck/python3-zsh',
                 u'''FROM python:3
                     RUN apt-get update
                     RUN apt-get install -yy zsh''',
                 u'zsh'),
                ('thefuck/python2-zsh',
                 u'''FROM python:2
                     RUN apt-get update
                     RUN apt-get install -yy zsh''',
                 u'zsh'))
  
  
  @pytest.fixture(params=containers)
  def proc(request, spawnu, TIMEOUT):
      proc = spawnu(*request.param)
      proc.sendline(u'pip install /src')
      assert proc.expect([TIMEOUT, u'Successfully installed'])
      proc.sendline(u'eval $(thefuck --alias)')
      proc.sendline(u'export HISTFILE=~/.zsh_history')
      proc.sendline(u'echo > $HISTFILE')
      proc.sendline(u'export SAVEHIST=100')
      proc.sendline(u'export HISTSIZE=100')
      proc.sendline(u'setopt INC_APPEND_HISTORY')
      return proc
  
  
  @pytest.mark.functional
  def test_with_confirmation(proc, TIMEOUT):
      with_confirmation(proc, TIMEOUT)
      history_changed(proc, TIMEOUT, u'echo test')
  
  
  @pytest.mark.functional
  def test_select_command_with_arrows(proc, TIMEOUT):
      select_command_with_arrows(proc, TIMEOUT)
      history_changed(proc, TIMEOUT, u'git help')
  
  
  @pytest.mark.functional
  def test_refuse_with_confirmation(proc, TIMEOUT):
      refuse_with_confirmation(proc, TIMEOUT)
      history_not_changed(proc, TIMEOUT)
  
  
  @pytest.mark.functional
  def test_without_confirmation(proc, TIMEOUT):
      without_confirmation(proc, TIMEOUT)
      history_changed(proc, TIMEOUT, u'echo test')
  
  
  @pytest.mark.functional
  def test_how_to_configure_alias(proc, TIMEOUT):
      how_to_configure(proc, TIMEOUT)
  
subject: use official python images, not ubuntu