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Diffstat (limited to 'yaksh/tester/python/verifier.py')
| -rw-r--r-- | yaksh/tester/python/verifier.py | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/yaksh/tester/python/verifier.py b/yaksh/tester/python/verifier.py deleted file mode 100644 index 102dcb9..0000000 --- a/yaksh/tester/python/verifier.py +++ /dev/null @@ -1,121 +0,0 @@ -import sys -from .utils import import_by_path -from contextlib import contextmanager - - -@contextmanager -def redirect_stdout(): - from StringIO import StringIO - new_target = StringIO() - - old_target, sys.stdout = sys.stdout, new_target # replace sys.stdout - try: - yield new_target # run some code with the replaced stdout - finally: - sys.stdout = old_target # restore to the previous value - -# def redirect_stdout(): -# # import sys -# from StringIO import StringIO -# oldout,olderr = sys.stdout, sys.stderr -# try: -# out = StringIO() -# err = StringIO() -# # sys.stdout,sys.stderr = out, err -# yield out, err -# finally: -# sys.stdout,sys.stderr = oldout, olderr -# out = out.getvalue() -# err = err.getvalue() - -TESTER_BACKEND = { - "python": "PythonPrintTesterBackend" #@@@rename to test-case-creator, this file should be backend.py -} - -class TesterException(Exception): - """ Parental class for all tester exceptions """ - pass - -class UnknownBackendException(TesterException): - """ Exception thrown if tester backend is not recognized. """ - pass - - -def detect_backend(language): - """ - Detect the right backend for a test case. - """ - backend_name = TESTER_BACKEND.get(language) - # backend = import_by_path(backend_name) - backend = PythonTesterBackend() #@@@ - return backend - -class PythonPrintTesterBackend(object): - def test_code(self, submitted, reference_output): - """ - create a test command - """ - with redirect_stdout() as output_buffer: - g = {} - exec submitted in g - - # return_buffer = out.encode('string_escape') - raw_output_value = output_buffer.getvalue() - output_value = raw_output_value.encode('string_escape').strip() - if output_value == str(reference_output): - return True - else: - raise ValueError("Incorrect Answer", output_value, reference_output) - - -class PythonTesterBackend(object): - # def __init__(self, test_case): - # self._test_case = test_case - def create(self): #@@@ test() - """ - create a test command - """ - test_code = "assert {0}({1}) == {2}".format(self.test_case_parameters['function_name'], self.test_case_parameters['args'], - self.test_case_parameters['expected_answer']) - return test_code - - def pack(self, test_case): - kw_args_dict = {} - pos_args_list = [] - test_case_data = {} - test_case_data['test_id'] = test_case.id - test_case_data['func_name'] = test_case.func_name - test_case_data['expected_answer'] = test_case.expected_answer - - if test_case.kw_args: - for args in test_case.kw_args.split(","): - arg_name, arg_value = args.split("=") - kw_args_dict[arg_name.strip()] = arg_value.strip() - - if test_case.pos_args: - for args in test_case.pos_args.split(","): - pos_args_list.append(args.strip()) - - test_case_data['kw_args'] = kw_args_dict - test_case_data['pos_args'] = pos_args_list - - return test_case_data - - def unpack(self, test_case_data): - pos_args = ", ".join(str(i) for i in test_case_data.get('pos_args')) \ - if test_case_data.get('pos_args') else "" - kw_args = ", ".join(str(k+"="+a) for k, a - in test_case_data.get('kw_args').iteritems()) \ - if test_case_data.get('kw_args') else "" - args = pos_args + ", " + kw_args if pos_args and kw_args \ - else pos_args or kw_args - function_name = test_case_data.get('func_name') - expected_answer = test_case_data.get('expected_answer') - - self.test_case_parameters = { - 'args': args, - 'function_name': function_name, - 'expected_answer': expected_answer - } - - return self.test_case_parameters
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