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import unittest
import os
from yaksh.python_assertion_evaluator import PythonAssertionEvaluator
from yaksh.python_stdout_evaluator import PythonStdoutEvaluator
from yaksh.settings import SERVER_TIMEOUT
from textwrap import dedent
class PythonAssertionEvaluationTestCases(unittest.TestCase):
def setUp(self):
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)
def test_correct_answer(self):
user_answer = "def add(a,b):\n\treturn a + b"
get_class = PythonAssertionEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
self.assertTrue(result.get('success'))
self.assertEqual(result.get('error'), "Correct answer")
def test_incorrect_answer(self):
user_answer = "def add(a,b):\n\treturn a - b"
get_class = PythonAssertionEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
self.assertFalse(result.get('success'))
self.assertEqual(result.get('error'),
"AssertionError in: assert(add(1,2)==3)"
)
def test_infinite_loop(self):
user_answer = "def add(a, b):\n\twhile True:\n\t\tpass"
get_class = PythonAssertionEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
self.assertFalse(result.get('success'))
self.assertEqual(result.get('error'), self.timeout_msg)
def test_syntax_error(self):
user_answer = dedent("""
def add(a, b);
return a + b
""")
syntax_error_msg = ["Traceback",
"call",
"File",
"line",
"<string>",
"SyntaxError",
"invalid syntax"
]
get_class = PythonAssertionEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
err = result.get("error").splitlines()
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):
user_answer = dedent("""
def add(a, b):
return a + b
""")
indent_error_msg = ["Traceback", "call",
"File",
"line",
"<string>",
"IndentationError",
"indented block"
]
get_class = PythonAssertionEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
err = result.get("error").splitlines()
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):
user_answer = ""
name_error_msg = ["Traceback",
"call",
"NameError",
"name",
"defined"
]
get_class = PythonAssertionEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
err = result.get("error").splitlines()
self.assertFalse(result.get("success"))
self.assertEqual(2, len(err))
for msg in name_error_msg:
self.assertIn(msg, result.get("error"))
def test_recursion_error(self):
user_answer = dedent("""
def add(a, b):
return add(3, 3)
""")
recursion_error_msg = ["Traceback",
"call",
"RuntimeError",
"maximum recursion depth exceeded"
]
get_class = PythonAssertionEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
err = result.get("error").splitlines()
self.assertFalse(result.get("success"))
self.assertEqual(2, len(err))
for msg in recursion_error_msg:
self.assertIn(msg, result.get("error"))
def test_type_error(self):
user_answer = dedent("""
def add(a):
return a + b
""")
type_error_msg = ["Traceback",
"call",
"TypeError",
"exactly",
"argument"
]
get_class = PythonAssertionEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
err = result.get("error").splitlines()
self.assertFalse(result.get("success"))
self.assertEqual(2, len(err))
for msg in type_error_msg:
self.assertIn(msg, result.get("error"))
def test_value_error(self):
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"
]
get_class = PythonAssertionEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
err = result.get("error").splitlines()
self.assertFalse(result.get("success"))
self.assertEqual(2, len(err))
for msg in value_error_msg:
self.assertIn(msg, result.get("error"))
class PythonStdoutEvaluationTestCases(unittest.TestCase):
def setUp(self):
self.test_case_data = [{"expected_output": "0 1 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)
def test_correct_answer(self):
user_answer = "a,b=0,1\nfor i in range(5):\n\tprint a,\n\ta,b=b,a+b"
get_class = PythonStdoutEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
self.assertEqual(result.get('error'), "Correct answer")
self.assertTrue(result.get('success'))
def test_incorrect_answer(self):
user_answer = "a,b=0,1\nfor i in range(5):\n\tprint b,\n\ta,b=b,a+b"
get_class = PythonStdoutEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
self.assertFalse(result.get('success'))
self.assertEqual(result.get('error'), "Incorrect Answer")
def test_direct_printed_answer(self):
user_answer = "print '0 1 1 2 3'"
error_msg = ("Incorrect Answer: Please avoid printing"
" the expected output directly"
)
get_class = PythonStdoutEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
self.assertFalse(result.get('success'))
self.assertEqual(result.get('error'), error_msg)
def test_infinite_loop(self):
user_answer = "def add(a, b):\n\twhile True:\n\t\tpass"
get_class = PythonStdoutEvaluator()
kwargs = {'user_answer': user_answer,
'test_case_data': self.test_case_data
}
result = get_class.evaluate(**kwargs)
self.assertFalse(result.get('success'))
self.assertEqual(result.get('error'), 'Incorrect Answer')
if __name__ == '__main__':
unittest.main()
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