diff options
Diffstat (limited to 'yaksh/java_code_evaluator.py')
-rw-r--r-- | yaksh/java_code_evaluator.py | 127 |
1 files changed, 75 insertions, 52 deletions
diff --git a/yaksh/java_code_evaluator.py b/yaksh/java_code_evaluator.py index 4367259..c64aa3b 100644 --- a/yaksh/java_code_evaluator.py +++ b/yaksh/java_code_evaluator.py @@ -12,48 +12,78 @@ from code_evaluator import CodeEvaluator class JavaCodeEvaluator(CodeEvaluator): """Tests the Java code obtained from Code Server""" - def __init__(self, test_case_data, test, language, user_answer, - ref_code_path=None, in_dir=None): - super(JavaCodeEvaluator, 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(JavaCodeEvaluator, self)._setup() - - ref_path, test_case_path = self._set_test_code_file_path(self.ref_code_path) - self.submit_path = self.create_submit_code_file('Test.java') - - # Set file paths - java_student_directory = os.getcwd() + '/' - java_ref_file_name = (ref_path.split('/')[-1]).split('.')[0] - - # Set command variables - compile_command = 'javac {0}'.format(self.submit_path), - compile_main = ('javac {0} -classpath ' - '{1} -d {2}').format(ref_path, - java_student_directory, - java_student_directory) - run_command_args = "java -cp {0} {1}".format(java_student_directory, - java_ref_file_name) - remove_user_output = "{0}{1}.class".format(java_student_directory, - 'Test') - remove_ref_output = "{0}{1}.class".format(java_student_directory, - java_ref_file_name) - - return (ref_path, self.submit_path, compile_command, compile_main, - run_command_args, remove_user_output, remove_ref_output) - - def _teardown(self): + def setup(self): + super(JavaCodeEvaluator, self).setup() + self.submit_code_path = self.create_submit_code_file('Test.java') + self.compiled_user_answer = None + self.compiled_test_code = None + + def teardown(self): + super(JavaCodeEvaluator, self).teardown() # Delete the created file. - super(JavaCodeEvaluator, self)._teardown() - os.remove(self.submit_path) + os.remove(self.submit_code_path) - def _check_code(self, ref_code_path, submit_code_path, compile_command, - compile_main, run_command_args, remove_user_output, - remove_ref_output): + def get_commands(self, clean_ref_code_path, user_code_directory): + compile_command = 'javac {0}'.format(self.submit_code_path), + compile_main = ('javac {0} -classpath ' + '{1} -d {2}').format(clean_ref_code_path, + user_code_directory, + user_code_directory) + return compile_command, compile_main + + def set_file_paths(self, directory, file_name): + output_path = "{0}{1}.class".format(directory, file_name) + return output_path + + def compile_code(self, user_answer, test_case): + if self.compiled_user_answer and self.compiled_test_code: + return None + else: + ref_code_path = test_case + clean_ref_code_path, clean_test_case_path = \ + self._set_test_code_file_path(ref_code_path) + + if not isfile(clean_ref_code_path): + msg = "No file at %s or Incorrect path" % clean_ref_code_path + return False, msg + if not isfile(self.submit_code_path): + msg = "No file at %s or Incorrect path" % self.submit_code_path + return False, msg + + user_code_directory = os.getcwd() + '/' + self.write_to_submit_code_file(self.submit_code_path, + user_answer + ) + ref_file_name = (clean_ref_code_path.split('/')[-1]).split('.')[0] + self.user_output_path = self.set_file_paths(user_code_directory, + 'Test' + ) + self.ref_output_path = self.set_file_paths(user_code_directory, + ref_file_name + ) + compile_command, self.compile_main = self.get_commands( + clean_ref_code_path, + user_code_directory + ) + self.run_command_args = "java -cp {0} {1}".format( + user_code_directory, + ref_file_name + ) + self.compiled_user_answer = self._run_command(compile_command, + shell=True, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE + ) + + self.compiled_test_code = self._run_command(self.compile_main, + shell=True, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE + ) + + return self.compiled_user_answer, self.compiled_test_code + + def check_code(self, user_answer, test_case): """ Function validates student code using instructor code as reference.The first argument ref_code_path, is the path to instructor code, it is assumed to have executable permission. @@ -73,25 +103,18 @@ class JavaCodeEvaluator(CodeEvaluator): if the required permissions are not given to the file(s). """ - if not isfile(ref_code_path): - return False, "No file at %s or Incorrect path" % ref_code_path - if not isfile(submit_code_path): - return False, 'No file at %s or Incorrect path' % submit_code_path - success = False - ret = self._compile_command(compile_command) - proc, stdnt_stderr = ret + proc, stdnt_out, stdnt_stderr = self.compiled_user_answer stdnt_stderr = self._remove_null_substitute_char(stdnt_stderr) # Only if compilation is successful, the program is executed # And tested with testcases if stdnt_stderr == '': - ret = self._compile_command(compile_main) - proc, main_err = ret + proc, main_out, main_err = self.compiled_test_code main_err = self._remove_null_substitute_char(main_err) if main_err == '': - ret = self._run_command(run_command_args, shell=True, + ret = self._run_command(self.run_command_args, shell=True, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE) @@ -100,7 +123,7 @@ class JavaCodeEvaluator(CodeEvaluator): success, err = True, "Correct answer" else: err = stdout + "\n" + stderr - os.remove(remove_ref_output) + os.remove(self.ref_output_path) else: err = "Error:" try: @@ -112,7 +135,7 @@ class JavaCodeEvaluator(CodeEvaluator): err = err + "\n" + e except: err = err + "\n" + main_err - os.remove(remove_user_output) + os.remove(self.user_output_path) else: err = "Compilation Error:" try: |