old_contents: """
  Core tests.  Test general environment.
  """
  
  import subprocess as sp
  from django.test import TestCase
  from django.test.client import Client
  from django.contrib.auth.models import User
  from django.conf import settings
  
  
  class CoreTest(TestCase):
      def setUp(self):
          pass
  
      def tearDown(self):
          pass
  
      def test_isri_tools(self):
          """
          Ensure running 'accuracy' with no args results
          in usage info.  Basically we want to make sure
          that the accuracy binary is available.
          """
          p = sp.Popen(["accuracy"], stderr=sp.PIPE)
          self.assertRegexpMatches(p.communicate()[1], "^Usage")
  
  
  
new_contents: """
  Core tests.  Test general environment.
  """
  
  import subprocess as sp
  from django.test import TestCase
  from django.test.client import Client
  from django.contrib.auth.models import User
  from django.conf import settings
  
  
  class CoreTest(TestCase):
      def setUp(self):
          pass
  
      def tearDown(self):
          pass
  
      def test_isri_tools(self):
          """
          Ensure running 'accuracy' with no args results
          in usage info.  Basically we want to make sure
          that the accuracy binary is available.
          """
          stdout, stderr = self._run_cmd("accuracy")
          self.assertRegexpMatches(stderr, "^Usage")
  
      def test_cuneiform(self):
          """
          Ensure cuneiform is available.  This is fragile since it depends
          on Cuneiform's annoying output on stdout.
          """
          stdout, stderr = self._run_cmd("cuneiform")
          self.assertRegexpMatches(stdout, "^Cuneiform for Linux")
  
      def test_tesseract(self):
          """
          Ensure tesseract is available.
          """
          stdout, stderr = self._run_cmd("tesseract")
          self.assertRegexpMatches(stderr, "^Usage")
  
      def test_convert(self):
          """
          Ensure (Image|Graphics)Magick is available.
          """
          stdout, stderr = self._run_cmd("convert")
          self.assertRegexpMatches(stdout, "Usage")
  
      def _run_cmd(self, *args):
          p = sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE)
          return p.communicate()
  
  
subject: Test the presence of various tools