1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
#!/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 JavaCodeEvaluator(CodeEvaluator):
"""Tests the Java code obtained from Code Server"""
def setup(self):
super(JavaCodeEvaluator, self).setup()
self.submit_code_path = self.create_submit_code_file('Test.java')
def teardown(self):
super(JavaCodeEvaluator, self).teardown()
# Delete the created file.
os.remove(self.submit_code_path)
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 check_code(self, user_answer, test_case_data):
""" 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.
The second argument submit_code_path, is the path to the student
code, it is assumed to have executable permission.
Returns
--------
returns (True, "Correct answer") : If the student function returns
expected output when called by reference code.
returns (False, error_msg): If the student function fails to return
expected output when called by reference code.
Returns (False, error_msg): If mandatory arguments are not files or
if the required permissions are not given to the file(s).
"""
ref_code_path = test_case_data[0]
clean_ref_code_path, clean_test_case_path = self._set_test_code_file_path(ref_code_path)
if not isfile(clean_ref_code_path):
return False, "No file at %s or Incorrect path" % clean_ref_code_path
if not isfile(self.submit_code_path):
return False, 'No file at %s or Incorrect path' % self.submit_code_path
success = False
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]
user_output_path = "{0}{1}.class".format(user_code_directory,
'Test')
ref_output_path = "{0}{1}.class".format(user_code_directory,
ref_file_name)
# user_output_path, ref_output_path = self.set_file_paths(user_code_directory, clean_ref_code_path)
compile_command, compile_main = self.get_commands(clean_ref_code_path, user_code_directory)
run_command_args = "java -cp {0} {1}".format(user_code_directory,
ref_file_name)
ret = self._compile_command(compile_command)
proc, stdnt_stderr = ret
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
main_err = self._remove_null_substitute_char(main_err)
if main_err == '':
ret = self._run_command(run_command_args, shell=True,
stdin=None,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
proc, stdout, stderr = ret
if proc.returncode == 0:
success, err = True, "Correct answer"
else:
err = stdout + "\n" + stderr
os.remove(ref_output_path)
else:
err = "Error:"
try:
error_lines = main_err.splitlines()
for e in error_lines:
if ':' in e:
err = err + "\n" + e.split(":", 1)[1]
else:
err = err + "\n" + e
except:
err = err + "\n" + main_err
os.remove(user_output_path)
else:
err = "Compilation Error:"
try:
error_lines = stdnt_stderr.splitlines()
for e in error_lines:
if ':' in e:
err = err + "\n" + e.split(":", 1)[1]
else:
err = err + "\n" + e
except:
err = err + "\n" + stdnt_stderr
return success, err
# 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()
# 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):
# # Delete the created file.
# super(JavaCodeEvaluator, self).teardown()
# os.remove(self.submit_path)
# def check_code(self, ref_code_path, submit_code_path, compile_command,
# compile_main, run_command_args, remove_user_output,
# remove_ref_output):
# """ 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.
# The second argument submit_code_path, is the path to the student
# code, it is assumed to have executable permission.
# Returns
# --------
# returns (True, "Correct answer") : If the student function returns
# expected output when called by reference code.
# returns (False, error_msg): If the student function fails to return
# expected output when called by reference code.
# 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_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
# 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
# main_err = self._remove_null_substitute_char(main_err)
# if main_err == '':
# ret = self._run_command(run_command_args, shell=True,
# stdin=None,
# stdout=subprocess.PIPE,
# stderr=subprocess.PIPE)
# proc, stdout, stderr = ret
# if proc.returncode == 0:
# success, err = True, "Correct answer"
# else:
# err = stdout + "\n" + stderr
# os.remove(remove_ref_output)
# else:
# err = "Error:"
# try:
# error_lines = main_err.splitlines()
# for e in error_lines:
# if ':' in e:
# err = err + "\n" + e.split(":", 1)[1]
# else:
# err = err + "\n" + e
# except:
# err = err + "\n" + main_err
# os.remove(remove_user_output)
# else:
# err = "Compilation Error:"
# try:
# error_lines = stdnt_stderr.splitlines()
# for e in error_lines:
# if ':' in e:
# err = err + "\n" + e.split(":", 1)[1]
# else:
# err = err + "\n" + e
# except:
# err = err + "\n" + stdnt_stderr
# return success, err
|
