old_contents: import unittest
  from testquery import checkquery
  from testquery import ClangRunner
  from generate_test_relations import generate_default
  from generate_test_relations import need_generate
  from raco.language.clang import CCAlgebra
  from platform_tests import MyriaLPlatformTestHarness, MyriaLPlatformTests
  from raco.compile import compile
  
  import sys
  sys.path.append('./examples')
  from osutils import Chdir
  import os
  
  import raco.viz as viz
  
  
  class MyriaLClangTest(MyriaLPlatformTestHarness, MyriaLPlatformTests):
      def check(self, query, name):
          plan = self.get_physical_plan(query, target_alg=CCAlgebra())
          physical_dot = viz.operator_to_dot(plan)
          with open("%s.physical.dot"%(name), 'w') as dwf:
              dwf.write(physical_dot)
  
          # generate code in the target language
          code = compile(plan)
  
          with Chdir("c_test_environment") as d:
              fname = "{name}.cpp".format(name=name)
              if os.path.exists(fname):
                  os.remove(fname)
              with open(fname, 'w') as f:
                  f.write(code)
  
              checkquery(name, ClangRunner())
  
      def setUp(self):
          super(MyriaLClangTest, self).setUp()
          with Chdir("c_test_environment") as d:
              if need_generate():
                  generate_default()
  
  
  if __name__ == '__main__':
      Q2 = unittest.TestSuite()
      Q2.addTest( MyriaLClangTest('test_Q2') )
      unittest.TextTestRunner().run(Q2)
      #unittest.main()
  
new_contents: import unittest
  from testquery import checkquery
  from testquery import ClangRunner
  from generate_test_relations import generate_default
  from generate_test_relations import need_generate
  from raco.language.clang import CCAlgebra
  from platform_tests import MyriaLPlatformTestHarness, MyriaLPlatformTests
  from raco.compile import compile
  
  import sys
  sys.path.append('./examples')
  from osutils import Chdir
  import os
  
  import raco.viz as viz
  
  
  class MyriaLClangTest(MyriaLPlatformTestHarness, MyriaLPlatformTests):
      def check(self, query, name):
          plan = self.get_physical_plan(query, target_alg=CCAlgebra())
          physical_dot = viz.operator_to_dot(plan)
          with open("%s.physical.dot"%(name), 'w') as dwf:
              dwf.write(physical_dot)
  
          # generate code in the target language
          code = compile(plan)
  
          with Chdir("c_test_environment") as d:
              fname = "{name}.cpp".format(name=name)
              if os.path.exists(fname):
                  os.remove(fname)
              with open(fname, 'w') as f:
                  f.write(code)
  
              checkquery(name, ClangRunner())
  
      def setUp(self):
          super(MyriaLClangTest, self).setUp()
          with Chdir("c_test_environment") as d:
              if need_generate():
                  generate_default()
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: undo bbf299e