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from __future__ import unicode_literals
import unittest
import os
import tempfile
import shutil
from textwrap import dedent
# Local import
from yaksh.python_assertion_evaluator import PythonAssertionEvaluator
from yaksh.python_stdio_evaluator import PythonStdioEvaluator
from yaksh.settings import SERVER_TIMEOUT
class PythonAssertionEvaluationTestCases(unittest.TestCase):
def setUp(self):
with open('/tmp/test.txt', 'wb') as f:
f.write('2'.encode('ascii'))
tmp_in_dir_path = tempfile.mkdtemp()
self.in_dir = tmp_in_dir_path
self.test_case_data = [{"test_case": 'assert(add(1,2)==3)'},
{"test_case": 'assert(add(-1,2)==1)'},
{"test_case": 'assert(add(-1,-2)==-3)'},
]
self.timeout_msg = ("Code took more than {0} seconds to run. "
"You probably have an infinite loop in"
" your code.").format(SERVER_TIMEOUT)
self.file_paths = None
def tearDown(self):
os.remove('/tmp/test.txt')
shutil.rmtree(self.in_dir)
def test_correct_answer(self):
# Given
user_answer = "def add(a,b):\n\treturn a + b"
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertTrue(result.get('success'))
self.assertEqual(result.get('error'), "Correct answer")
def test_incorrect_answer(self):
# Given
user_answer = "def add(a,b):\n\treturn a - b"
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertFalse(result.get('success'))
self.assertEqual(result.get('error'),
"AssertionError in: assert(add(1,2)==3)"
)
def test_infinite_loop(self):
# Given
user_answer = "def add(a, b):\n\twhile True:\n\t\tpass"
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertFalse(result.get('success'))
self.assertEqual(result.get('error'), self.timeout_msg)
def test_syntax_error(self):
# Given
user_answer = dedent("""
def add(a, b);
return a + b
""")
syntax_error_msg = ["Traceback",
"call",
"File",
"line",
"<string>",
"SyntaxError",
"invalid syntax"
]
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
err = result.get("error").splitlines()
# Then
self.assertFalse(result.get("success"))
self.assertEqual(5, len(err))
for msg in syntax_error_msg:
self.assertIn(msg, result.get("error"))
def test_indent_error(self):
# Given
user_answer = dedent("""
def add(a, b):
return a + b
""")
indent_error_msg = ["Traceback", "call",
"File",
"line",
"<string>",
"IndentationError",
"indented block"
]
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
err = result.get("error").splitlines()
# Then
self.assertFalse(result.get("success"))
self.assertEqual(5, len(err))
for msg in indent_error_msg:
self.assertIn(msg, result.get("error"))
def test_name_error(self):
# Given
user_answer = ""
name_error_msg = ["Traceback",
"call",
"NameError",
"name",
"defined"
]
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
err = result.get("error").splitlines()
# Then
self.assertFalse(result.get("success"))
self.assertEqual(3, len(err))
for msg in name_error_msg:
self.assertIn(msg, result.get("error"))
def test_recursion_error(self):
# Given
user_answer = dedent("""
def add(a, b):
return add(3, 3)
""")
recursion_error_msg = ["Traceback",
"call",
"maximum recursion depth exceeded"
]
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
err = result.get("error").splitlines()
# Then
self.assertFalse(result.get("success"))
for msg in recursion_error_msg:
self.assertIn(msg, result.get("error"))
def test_type_error(self):
# Given
user_answer = dedent("""
def add(a):
return a + b
""")
type_error_msg = ["Traceback",
"call",
"TypeError",
"argument"
]
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
err = result.get("error").splitlines()
# Then
self.assertFalse(result.get("success"))
self.assertEqual(3, len(err))
for msg in type_error_msg:
self.assertIn(msg, result.get("error"))
def test_value_error(self):
# Given
user_answer = dedent("""
def add(a, b):
c = 'a'
return int(a) + int(b) + int(c)
""")
value_error_msg = ["Traceback",
"call",
"ValueError",
"invalid literal",
"base"
]
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
err = result.get("error").splitlines()
# Then
self.assertFalse(result.get("success"))
self.assertEqual(4, len(err))
for msg in value_error_msg:
self.assertIn(msg, result.get("error"))
def test_file_based_assert(self):
# Given
self.test_case_data = [{"test_case": "assert(ans()=='2')"}]
self.file_paths = [('/tmp/test.txt', False)]
user_answer = dedent("""
def ans():
with open("test.txt") as f:
return f.read()[0]
""")
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertEqual(result.get('error'), "Correct answer")
self.assertTrue(result.get('success'))
def test_single_testcase_error(self):
# Given
""" Tests the user answer with just an incorrect test case """
user_answer = "def palindrome(a):\n\treturn a == a[::-1]"
test_case_data = [{"test_case": 's="abbb"\nasert palindrome(s)==False'}
]
syntax_error_msg = ["Traceback",
"call",
"File",
"line",
"<string>",
"SyntaxError",
"invalid syntax"
]
kwargs = {'user_answer': user_answer,
'test_case_data': test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
err = result.get("error").splitlines()
# Then
self.assertFalse(result.get("success"))
self.assertEqual(5, len(err))
for msg in syntax_error_msg:
self.assertIn(msg, result.get("error"))
def test_multiple_testcase_error(self):
""" Tests the user answer with an correct test case
first and then with an incorrect test case """
# Given
user_answer = "def palindrome(a):\n\treturn a == a[::-1]"
test_case_data = [{"test_case": 'assert(palindrome("abba")==True)'},
{"test_case": 's="abbb"\nassert palindrome(S)==False'}
]
name_error_msg = ["Traceback",
"call",
"File",
"line",
"<string>",
"NameError",
"name 'S' is not defined"
]
kwargs = {'user_answer': user_answer,
'test_case_data': test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonAssertionEvaluator()
result = evaluator.evaluate(**kwargs)
err = result.get("error").splitlines()
# Then
self.assertFalse(result.get("success"))
self.assertEqual(3, len(err))
for msg in name_error_msg:
self.assertIn(msg, result.get("error"))
class PythonStdIOEvaluationTestCases(unittest.TestCase):
def setUp(self):
with open('/tmp/test.txt', 'wb') as f:
f.write('2'.encode('ascii'))
self.file_paths = None
def test_correct_answer_integer(self):
# Given
self.test_case_data = [{"expected_input": "1\n2",
"expected_output": "3"
}]
user_answer = dedent("""
a = int(input())
b = int(input())
print(a+b)
"""
)
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
# When
evaluator = PythonStdioEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertTrue(result.get('success'))
self.assertIn("Correct answer", result.get('error'))
def test_correct_answer_list(self):
# Given
self.test_case_data = [{"expected_input": "1,2,3\n5,6,7",
"expected_output": "[1, 2, 3, 5, 6, 7]"
}]
user_answer = dedent("""
from six.moves import input
input_a = input()
input_b = input()
a = [int(i) for i in input_a.split(',')]
b = [int(i) for i in input_b.split(',')]
print(a+b)
"""
)
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
# When
evaluator = PythonStdioEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertTrue(result.get('success'))
self.assertIn("Correct answer", result.get('error'))
def test_correct_answer_string(self):
# Given
self.test_case_data = [{"expected_input": ("the quick brown fox jumps over the lazy dog\nthe"),
"expected_output": "2"
}]
user_answer = dedent("""
from six.moves import input
a = str(input())
b = str(input())
print(a.count(b))
"""
)
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
# When
evaluator = PythonStdioEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertTrue(result.get('success'))
self.assertIn("Correct answer", result.get('error'))
def test_incorrect_answer_integer(self):
# Given
self.test_case_data = [{"expected_input": "1\n2",
"expected_output": "3"
}]
user_answer = dedent("""
a = int(input())
b = int(input())
print(a-b)
"""
)
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
}
# When
evaluator = PythonStdioEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertFalse(result.get('success'))
self.assertIn("Incorrect answer", result.get('error'))
def test_file_based_answer(self):
# Given
self.test_case_data = [{"expected_input": "", "expected_output": "2"}]
self.file_paths = [('/tmp/test.txt', False)]
user_answer = dedent("""
with open("test.txt") as f:
a = f.read()
print(a[0])
"""
)
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data,
'file_paths': self.file_paths
}
# When
evaluator = PythonStdioEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertEqual(result.get('error'), "Correct answer")
self.assertTrue(result.get('success'))
def test_infinite_loop(self):
# Given
test_case_data = [{"expected_input": "1\n2",
"expected_output": "3"
}]
timeout_msg = ("Code took more than {0} seconds to run. "
"You probably have an infinite loop in"
" your code.").format(SERVER_TIMEOUT)
user_answer = "while True:\n\tpass"
kwargs = {'user_answer': user_answer,
'test_case_data': test_case_data
}
# When
evaluator = PythonStdioEvaluator()
result = evaluator.evaluate(**kwargs)
# Then
self.assertEqual(result.get('error'), timeout_msg)
self.assertFalse(result.get('success'))
if __name__ == '__main__':
unittest.main()
|
