AttributeError: tests and solutions

what causes AttributeError?: tests and solutions

what causes AttributeError? tests

The code in attribute_error/tests/test_attribute_error.py from what causes AttributeError?

 1import src.attribute_error
 2
 3
 4def test_attribute_error_w_variables():
 5    src.attribute_error.variable_00
 6    src.attribute_error.variable_01
 7    src.attribute_error.variable_02
 8    src.attribute_error.variable_03
 9    src.attribute_error.variable_04
10    src.attribute_error.variable_05
11    src.attribute_error.variable_06
12    src.attribute_error.variable_07
13    src.attribute_error.variable_08
14    src.attribute_error.variable_09
15
16
17def test_attribute_error_w_functions():
18    src.attribute_error.function_00()
19    src.attribute_error.function_01()
20    src.attribute_error.function_02()
21    src.attribute_error.function_03()
22    src.attribute_error.function_04()
23    src.attribute_error.function_05()
24    src.attribute_error.function_06()
25    src.attribute_error.function_07()
26    src.attribute_error.function_08()
27    src.attribute_error.function_09()
28
29
30# Exceptions seen
31# AssertionError
32# ModuleNotFoundError
33# AttributeError
34# NameError
35# TypeError

what causes AttributeError? solutions

the solutions in attribute_error/src/attribute_error.py from what causes AttributeError?

 1variable_00 = None
 2variable_01 = variable_00
 3variable_02 = variable_01
 4variable_03 = variable_02
 5variable_04 = variable_03
 6variable_05 = variable_04
 7variable_06 = variable_05
 8variable_07 = variable_06
 9variable_08 = variable_07
10variable_09 = variable_08
11
12
13def function_00(): return variable_09
14def function_01(): return function_00()
15def function_02(): return function_01()
16def function_03(): return function_02()
17def function_04(): return function_03()
18def function_05(): return function_04()
19def function_06(): return function_05()
20def function_07(): return function_06()
21def function_08(): return function_07()
22def function_09(): return function_08()
23
24
25class AClass(object):
26
27    attribute_00 = function_09()
28    attribute_01 = attribute_00
29    attribute_02 = attribute_01
30    attribute_03 = attribute_02
31    attribute_04 = attribute_03
32    attribute_05 = attribute_04
33    attribute_06 = attribute_05
34    attribute_07 = attribute_06
35    attribute_08 = attribute_07
36    attribute_09 = attribute_08
37
38    def method_00(self): return self.attribute_09
39    def method_01(self): return self.method_00()
40    def method_02(self): return self.method_01()
41    def method_03(self): return self.method_02()
42    def method_04(self): return self.method_03()
43    def method_05(self): return self.method_04()
44    def method_06(self): return self.method_05()
45    def method_07(self): return self.method_06()
46    def method_08(self): return self.method_07()
47    def method_09(self): return self.method_08()

AttributeError with classes: tests and solutions

AttributeError with classes tests

The code in attribute_error/tests/test_attribute_error_w_classes.py from AttributeError with classes

 1import src.attribute_error
 2
 3
 4def test_attribute_error_w_variables():
 5    src.attribute_error.variable_00
 6    src.attribute_error.variable_01
 7    src.attribute_error.variable_02
 8    src.attribute_error.variable_03
 9    src.attribute_error.variable_04
10    src.attribute_error.variable_05
11    src.attribute_error.variable_06
12    src.attribute_error.variable_07
13    src.attribute_error.variable_08
14    src.attribute_error.variable_09
15
16
17def test_attribute_error_w_functions():
18    src.attribute_error.function_00()
19    src.attribute_error.function_01()
20    src.attribute_error.function_02()
21    src.attribute_error.function_03()
22    src.attribute_error.function_04()
23    src.attribute_error.function_05()
24    src.attribute_error.function_06()
25    src.attribute_error.function_07()
26    src.attribute_error.function_08()
27    src.attribute_error.function_09()
28
29
30def test_attribute_error_w_class_attributes():
31    src.attribute_error.AClass.attribute_00
32    src.attribute_error.AClass().attribute_01
33    src.attribute_error.AClass.attribute_02
34    src.attribute_error.AClass().attribute_03
35    src.attribute_error.AClass.attribute_04
36    src.attribute_error.AClass().attribute_05
37    src.attribute_error.AClass().attribute_06
38    src.attribute_error.AClass.attribute_07
39    src.attribute_error.AClass.attribute_08
40    src.attribute_error.AClass().attribute_09
41
42
43def test_attribute_error_w_class_methods():
44    src.attribute_error.AClass().method_00()
45    src.attribute_error.AClass().method_01()
46    src.attribute_error.AClass().method_02()
47    src.attribute_error.AClass().method_03()
48    src.attribute_error.AClass().method_04()
49    src.attribute_error.AClass().method_05()
50    src.attribute_error.AClass().method_06()
51    src.attribute_error.AClass().method_07()
52    src.attribute_error.AClass().method_08()
53    src.attribute_error.AClass().method_09()
54
55
56# Exceptions seen
57# AssertionError
58# ModuleNotFoundError
59# AttributeError
60# NameError
61# TypeError
62# SyntaxError

AttributeError with classes solutions

the solutions in attribute_error/solutions/attribute_error.py from AttributeError with classes

 1variable_00 = None
 2variable_01 = variable_00
 3variable_02 = variable_01
 4variable_03 = variable_02
 5variable_04 = variable_03
 6variable_05 = variable_04
 7variable_06 = variable_05
 8variable_07 = variable_06
 9variable_08 = variable_07
10variable_09 = variable_08
11
12
13def function_00(): return variable_09
14def function_01(): return function_00()
15def function_02(): return function_01()
16def function_03(): return function_02()
17def function_04(): return function_03()
18def function_05(): return function_04()
19def function_06(): return function_05()
20def function_07(): return function_06()
21def function_08(): return function_07()
22def function_09(): return function_08()
23
24
25class AClass(object):
26
27    attribute_00 = function_09()
28    attribute_01 = attribute_00
29    attribute_02 = attribute_01
30    attribute_03 = attribute_02
31    attribute_04 = attribute_03
32    attribute_05 = attribute_04
33    attribute_06 = attribute_05
34    attribute_07 = attribute_06
35    attribute_08 = attribute_07
36    attribute_09 = attribute_08
37
38    def method_00(self): return self.attribute_09
39    def method_01(self): return self.method_00()
40    def method_02(self): return self.method_01()
41    def method_03(self): return self.method_02()
42    def method_04(self): return self.method_03()
43    def method_05(self): return self.method_04()
44    def method_06(self): return self.method_05()
45    def method_07(self): return self.method_06()
46    def method_08(self): return self.method_07()
47    def method_09(self): return self.method_08()