old_contents: from django.test import TestCase
  
  from pipeline.conf import settings
  from pipeline.compilers import Compiler, CompilerBase
  
  
  class DummyCompiler(CompilerBase):
      output_extension = 'js'
  
      def match_file(self, path):
          return path.endswith('.coffee')
  
      def compile_file(self, content, path):
          return content
  
  
  class CompilerTest(TestCase):
      def setUp(self):
          self.compiler = Compiler()
          self.old_compilers = settings.PIPELINE_COMPILERS
          settings.PIPELINE_COMPILERS = ['tests.tests.compiler.DummyCompiler']
  
      def test_output_path(self):
          output_path = self.compiler.output_path("js/helpers.coffee", "js")
          self.assertEquals(output_path, "js/helpers.js")
  
      def test_compilers_class(self):
          compilers_class = self.compiler.compilers
          self.assertEquals(compilers_class[0], DummyCompiler)
  
      def test_compile(self):
          paths = self.compiler.compile([
              'js/dummy.coffee',
              'js/application.js',
          ])
          self.assertEquals(['js/dummy.js', 'js/application.js'], paths)
  
      def tearDown(self):
          settings.PIPELINE_COMPILERS = self.old_compilers
  
new_contents: from django.test import TestCase
  
  from pipeline.conf import settings
  from pipeline.compilers import Compiler, CompilerBase
  
  
  class DummyCompiler(CompilerBase):
      output_extension = 'js'
  
      def match_file(self, path):
          return path.endswith('.coffee')
  
      def compile_file(self, infile, outfile, outdated=False, force=False):
          return
  
  
  class CompilerTest(TestCase):
      def setUp(self):
          self.compiler = Compiler()
          self.old_compilers = settings.PIPELINE_COMPILERS
          settings.PIPELINE_COMPILERS = ['tests.tests.compiler.DummyCompiler']
  
      def test_output_path(self):
          output_path = self.compiler.output_path("js/helpers.coffee", "js")
          self.assertEquals(output_path, "js/helpers.js")
  
      def test_compilers_class(self):
          compilers_class = self.compiler.compilers
          self.assertEquals(compilers_class[0], DummyCompiler)
  
      def test_compile(self):
          paths = self.compiler.compile([
              'js/dummy.coffee',
              'js/application.js',
          ])
          self.assertEquals(['js/dummy.js', 'js/application.js'], paths)
  
      def tearDown(self):
          settings.PIPELINE_COMPILERS = self.old_compilers
  
subject: fix compiler tests