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No tests are generated for simple function with parameters without annotations #1819
Description
Description
Sometimes MyPy cannot properly guess type of parameters so starting to iterate over improper types till timeout occurs.
To Reproduce
class NoTestsProblem:
def __init__(self):
self.board = []
def set_position(self, row, col, symbol):
self.board[row][col] = symbol
return symbol
def start(self):
self.set_position(1, 2, "O")Steps to reproduce the behavior:
- Add to Python project the code above
- Invoke test generation for
set_positionfunction
Expected behavior
Tests are supposed to be generated.
Actual behavior
No test are generated.
Visual proofs (screenshots, logs, images)
idea.log contains following information:
2023-02-17 16:44:08,416 [6012745] INFO - STDOUT - | UtBot - PythonTestCaseGenerator | Inferred annotations: no_tests_bug.NoTestsProblem, builtins.str, builtins.list[typing.Any], builtins.list[typing.Any]
2023-02-17 16:44:08,418 [6012747] INFO - STDOUT - | UtBot - PythonApi | Provider ReduceValueProvider accepts type no_tests_bug.NoTestsProblem
2023-02-17 16:44:08,419 [6012748] INFO - STDOUT - | UtBot - PythonApi | Provider ListValueProvider accepts type builtins.list[typing.Any]
2023-02-17 16:44:08,419 [6012748] INFO - STDOUT - | UtBot - PythonApi | Provider ConstantValueProvider accepts type builtins.list[typing.Any]
2023-02-17 16:44:08,419 [6012748] INFO - STDOUT - | UtBot - PythonApi | Any does not have provider
202
...
....
2023-02-17 16:44:29,690 [6034019] INFO - STDOUT - | UtBot - PythonEngine | Evaluation with prohibited exception. Substituted types: no_tests_bug.NoTestsProblem, builtins.str, builtins.list[typing.Any], builtins.list[typing.Any]. Exception type: builtins.TypeError
2023-02-17 16:44:29,931 [6034260] INFO - STDOUT - | UtBot - PythonEngine | Evaluation with prohibited exception. Substituted types: no_tests_bug.NoTestsProblem, builtins.str, builtins.list[typing.Any], builtins.list[typing.Any]. Exception type: builtins.TypeError
2023-02-17 16:44:30,154 [6034483] INFO - STDOUT - | UtBot - PythonEngine | Evaluation with prohibited exception. Substituted types: no_tests_bug.NoTestsProblem, builtins.str, builtins.list[typing.Any], builtins.list[typing.Any]. Exception type: builtins.TypeError
2023-02-17 16:44:30,374 [6034703] INFO - STDOUT - | UtBot - PythonEngine | Evaluation with prohibited exception. Substituted types: no_tests_bug.NoTestsProblem, builtins.str, builtins.list[typing.Any], builtins.list[typing.Any]. Exception type: builtins.TypeError
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tamarinvs19 commentedon Feb 22, 2023
Already fixed in #1817