text: import cauldron as cd
  from cauldron.test import support
  from cauldron.test.support import scaffolds
  
  
  class TestRunnerMarkdownFile(scaffolds.ResultsTest):
      """Test suite for the runner.markdown_file module"""
  
      def test_run_markdown(self):
          """Should render markdown."""
  
          support.create_project(self, 'salem')
          support.add_step(self, 'test.md', contents='This is markdown')
          response = support.run_command('run -f')
          self.assertFalse(response.failed, 'should have failed')
  
          step = cd.project.get_internal_project().steps[0]
          self.assertFalse(step.is_dirty())
  
      def test_invalid_markdown(self):
          """Should fail with a jinja error."""
  
          support.create_project(self, 'des-moines')
          support.add_step(
              self,
              'test.md',
              contents='# Hello {{ missing_variable + "12" }}'
          )
          response = support.run_command('run -f')
          self.assertTrue(response.failed)
  