diff options
Diffstat (limited to 'testapp/exam/bash_code_evaluator.py')
| -rw-r--r-- | testapp/exam/bash_code_evaluator.py | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/testapp/exam/bash_code_evaluator.py b/testapp/exam/bash_code_evaluator.py deleted file mode 100644 index a468fd7..0000000 --- a/testapp/exam/bash_code_evaluator.py +++ /dev/null @@ -1,122 +0,0 @@ -#!/usr/bin/env python -import traceback -import pwd -import os -from os.path import join, isfile -import subprocess -import importlib - -# local imports -from code_evaluator import CodeEvaluator - - -class BashCodeEvaluator(CodeEvaluator): - """Tests the Bash code obtained from Code Server""" - def __init__(self, test_case_data, test, language, user_answer, - ref_code_path=None, in_dir=None): - super(BashCodeEvaluator, self).__init__(test_case_data, test, language, user_answer, - ref_code_path, in_dir) - self.test_case_args = self._setup() - - # Private Protocol ########## - def _setup(self): - super(BashCodeEvaluator, self)._setup() - - self.submit_path = self.create_submit_code_file('submit.sh') - self._set_file_as_executable(self.submit_path) - get_ref_path, get_test_case_path = self.ref_code_path.strip().split(',') - get_ref_path = get_ref_path.strip() - get_test_case_path = get_test_case_path.strip() - ref_path, test_case_path = self._set_test_code_file_path(get_ref_path, - get_test_case_path) - - return ref_path, self.submit_path, test_case_path - - def _teardown(self): - # Delete the created file. - super(BashCodeEvaluator, self)._teardown() - os.remove(self.submit_path) - - def _check_code(self, ref_path, submit_path, - test_case_path=None): - """ Function validates student script using instructor script as - reference. Test cases can optionally be provided. The first argument - ref_path, is the path to instructor script, it is assumed to - have executable permission. The second argument submit_path, is - the path to the student script, it is assumed to have executable - permission. The Third optional argument is the path to test the - scripts. Each line in this file is a test case and each test case is - passed to the script as standard arguments. - - Returns - -------- - - returns (True, "Correct answer") : If the student script passes all - test cases/have same output, when compared to the instructor script - - returns (False, error_msg): If the student script fails a single - test/have dissimilar output, when compared to the instructor script. - - Returns (False, error_msg): If mandatory arguments are not files or if - the required permissions are not given to the file(s). - - """ - if not isfile(ref_path): - return False, "No file at %s or Incorrect path" % ref_path - if not isfile(submit_path): - return False, "No file at %s or Incorrect path" % submit_path - if not os.access(ref_path, os.X_OK): - return False, "Script %s is not executable" % ref_path - if not os.access(submit_path, os.X_OK): - return False, "Script %s is not executable" % submit_path - - success = False - - if test_case_path is None or "": - ret = self._run_command(ref_path, stdin=None, - stdout=subprocess.PIPE, - stderr=subprocess.PIPE) - proc, inst_stdout, inst_stderr = ret - ret = self._run_command(submit_path, stdin=None, - stdout=subprocess.PIPE, - stderr=subprocess.PIPE) - proc, stdnt_stdout, stdnt_stderr = ret - if inst_stdout == stdnt_stdout: - return True, "Correct answer" - else: - err = "Error: expected %s, got %s" % (inst_stderr, - stdnt_stderr) - return False, err - else: - if not isfile(test_case_path): - return False, "No test case at %s" % test_case_path - if not os.access(ref_path, os.R_OK): - return False, "Test script %s, not readable" % test_case_path - # valid_answer is True, so that we can stop once a test case fails - valid_answer = True - # loop_count has to be greater than or equal to one. - # Useful for caching things like empty test files,etc. - loop_count = 0 - test_cases = open(test_case_path).readlines() - num_lines = len(test_cases) - for test_case in test_cases: - loop_count += 1 - if valid_answer: - args = [ref_path] + [x for x in test_case.split()] - ret = self._run_command(args, stdin=None, - stdout=subprocess.PIPE, - stderr=subprocess.PIPE) - proc, inst_stdout, inst_stderr = ret - args = [submit_path]+[x for x in test_case.split()] - ret = self._run_command(args, stdin=None, - stdout=subprocess.PIPE, - stderr=subprocess.PIPE) - proc, stdnt_stdout, stdnt_stderr = ret - valid_answer = inst_stdout == stdnt_stdout - if valid_answer and (num_lines == loop_count): - return True, "Correct answer" - else: - err = "Error:expected %s, got %s" % (inst_stdout+inst_stderr, - stdnt_stdout+stdnt_stderr) - return False, err - |