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How to use dummy_visitor method in refurb

Best Python code snippet using refurb_python

test_postprocess.py

Source:test_postprocess.py

1#  This file is part of Pynguin.2#3#  SPDX-FileCopyrightText: 2019â2022 Pynguin Contributors4#5#  SPDX-License-Identifier: LGPL-3.0-or-later6#7from unittest import mock8from unittest.mock import MagicMock, call9import pytest10import pynguin.ga.postprocess as pp11import pynguin.ga.testcasechromosome as tcc12import pynguin.testcase.defaulttestcase as dtc13import pynguin.testcase.statement as stmt14from pynguin.analyses.module import ModuleTestCluster15from pynguin.assertion.assertion import ExceptionAssertion16from pynguin.utils.orderedset import OrderedSet17def test_not_failing():18    trunc = pp.ExceptionTruncation()19    test_case = MagicMock()20    chromosome = MagicMock(test_case=test_case)21    chromosome.is_failing.return_value = False22    trunc.visit_test_case_chromosome(chromosome)23    test_case.chop.assert_not_called()24def test_simple_chop():25    trunc = pp.ExceptionTruncation()26    test_case = MagicMock()27    chromosome = MagicMock(test_case=test_case)28    chromosome.is_failing.return_value = True29    chromosome.get_last_mutatable_statement.return_value = 4230    trunc.visit_test_case_chromosome(chromosome)31    test_case.chop.assert_called_once_with(42)32def test_suite_chop():33    trunc = pp.ExceptionTruncation()34    chromosome = MagicMock()35    suite = MagicMock(test_case_chromosomes=[chromosome, chromosome])36    trunc.visit_test_suite_chromosome(suite)37    chromosome.accept.assert_has_calls([call(trunc), call(trunc)])38def test_suite_assertion_minimization():39    ass_min = pp.AssertionMinimization()40    chromosome = MagicMock()41    suite = MagicMock(test_case_chromosomes=[chromosome, chromosome])42    ass_min.visit_test_suite_chromosome(suite)43    chromosome.accept.assert_has_calls([call(ass_min), call(ass_min)])44def test_test_case_assertion_minimization(default_test_case):45    ass_min = pp.AssertionMinimization()46    statement = stmt.IntPrimitiveStatement(default_test_case)47    assertion_1 = MagicMock(48        checked_instructions=[MagicMock(lineno=1), MagicMock(lineno=2)]49    )50    assertion_2 = MagicMock(checked_instructions=[MagicMock(lineno=1)])51    statement.add_assertion(assertion_1)52    statement.add_assertion(assertion_2)53    default_test_case.add_statement(statement)54    chromosome = tcc.TestCaseChromosome(test_case=default_test_case)55    ass_min.visit_test_case_chromosome(chromosome)56    assert ass_min.remaining_assertions == OrderedSet([assertion_1])57    assert ass_min.deleted_assertions == OrderedSet([assertion_2])58    assert default_test_case.get_assertions() == [assertion_1]59def test_test_case_assertion_minimization_does_not_remove_exception_assertion(60    default_test_case,61):62    ass_min = pp.AssertionMinimization()63    statement = stmt.IntPrimitiveStatement(default_test_case)64    assertion_1 = MagicMock(65        checked_instructions=[MagicMock(lineno=1), MagicMock(lineno=2)]66    )67    assertion_2 = MagicMock(68        spec=ExceptionAssertion, checked_instructions=[MagicMock(lineno=1)]69    )70    statement.add_assertion(assertion_1)71    statement.add_assertion(assertion_2)72    default_test_case.add_statement(statement)73    chromosome = tcc.TestCaseChromosome(test_case=default_test_case)74    ass_min.visit_test_case_chromosome(chromosome)75    assert ass_min.remaining_assertions == OrderedSet([assertion_1, assertion_2])76    assert ass_min.deleted_assertions == OrderedSet()77    assert default_test_case.get_assertions() == [assertion_1, assertion_2]78def test_test_case_assertion_minimization_does_not_remove_empty_assertion(79    default_test_case,80):81    ass_min = pp.AssertionMinimization()82    statement = stmt.IntPrimitiveStatement(default_test_case)83    assertion_1 = MagicMock(checked_instructions=[])84    statement.add_assertion(assertion_1)85    default_test_case.add_statement(statement)86    chromosome = tcc.TestCaseChromosome(test_case=default_test_case)87    ass_min.visit_test_case_chromosome(chromosome)88    assert ass_min.remaining_assertions == OrderedSet([assertion_1])89    assert ass_min.deleted_assertions == OrderedSet()90    assert default_test_case.get_assertions() == [assertion_1]91def test_test_case_postprocessor_suite():92    dummy_visitor = MagicMock()93    tcpp = pp.TestCasePostProcessor([dummy_visitor])94    chromosome = MagicMock()95    suite = MagicMock(test_case_chromosomes=[chromosome, chromosome])96    tcpp.visit_test_suite_chromosome(suite)97    chromosome.accept.assert_has_calls([call(tcpp), call(tcpp)])98def test_test_case_postprocessor_test():99    dummy_visitor = MagicMock()100    tcpp = pp.TestCasePostProcessor([dummy_visitor])101    test_case = MagicMock()102    test_chromosome = MagicMock(test_case=test_case)103    tcpp.visit_test_case_chromosome(test_chromosome)104    test_case.accept.assert_has_calls([call(dummy_visitor)])105def test_unused_primitives_visitor():106    visitor = pp.UnusedStatementsTestCaseVisitor()107    statement = MagicMock()108    test_case = MagicMock(statements=[statement])109    visitor.visit_default_test_case(test_case)110    assert statement.accept.call_count == 1111# TODO(fk) replace with ast_to_stmt112def test_remove_integration(constructor_mock):113    cluster = ModuleTestCluster(0)114    test_case = dtc.DefaultTestCase(cluster)115    test_case.add_statement(stmt.IntPrimitiveStatement(test_case))116    test_case.add_statement(stmt.FloatPrimitiveStatement(test_case))117    int0 = stmt.IntPrimitiveStatement(test_case)118    test_case.add_statement(int0)119    list0 = stmt.ListStatement(120        test_case, cluster.type_system.convert_type_hint(list[int]), [int0.ret_val]121    )122    test_case.add_statement(list0)123    float0 = stmt.FloatPrimitiveStatement(test_case)124    test_case.add_statement(float0)125    ctor0 = stmt.ConstructorStatement(126        test_case, constructor_mock, {"foo": float0.ret_val, "bar": list0.ret_val}127    )128    test_case.add_statement(ctor0)129    assert test_case.size() == 6130    visitor = pp.UnusedStatementsTestCaseVisitor()131    test_case.accept(visitor)132    assert test_case.statements == [int0, list0, float0, ctor0]133@pytest.mark.parametrize(134    "statement_type, func",135    [136        ("visit_int_primitive_statement", "_handle_collection_or_primitive"),137        ("visit_float_primitive_statement", "_handle_collection_or_primitive"),138        ("visit_string_primitive_statement", "_handle_collection_or_primitive"),139        ("visit_bytes_primitive_statement", "_handle_collection_or_primitive"),140        ("visit_boolean_primitive_statement", "_handle_collection_or_primitive"),141        ("visit_bytes_primitive_statement", "_handle_collection_or_primitive"),142        ("visit_enum_statement", "_handle_collection_or_primitive"),143        ("visit_none_statement", "_handle_collection_or_primitive"),144        ("visit_constructor_statement", "_handle_remaining"),145        ("visit_method_statement", "_handle_remaining"),146        ("visit_function_statement", "_handle_remaining"),147        ("visit_list_statement", "_handle_collection_or_primitive"),148        ("visit_set_statement", "_handle_collection_or_primitive"),149        ("visit_tuple_statement", "_handle_collection_or_primitive"),150        ("visit_dict_statement", "_handle_collection_or_primitive"),151    ],152)153def test_all_statements(statement_type, func):154    visitor = pp.UnusedPrimitiveOrCollectionStatementVisitor()155    with mock.patch.object(visitor, func) as func:156        visitor.__getattribute__(statement_type)(MagicMock())157        func.assert_called_once()158@pytest.mark.parametrize(159    "statement_type",160    [161        "visit_field_statement",162        "visit_assignment_statement",163    ],164)165def test_not_implemented_statements(statement_type):166    visitor = pp.UnusedPrimitiveOrCollectionStatementVisitor()167    with pytest.raises(NotImplementedError):...

test_visitor.py

Source:test_visitor.py

...8from refurb.visitor import METHOD_NODE_MAPPINGS, RefurbVisitor9from refurb.visitor.mapping import VisitorNodeTypeMap10from .mypy_visitor import get_mypy_visitor_mapping11@pytest.fixture12def dummy_visitor() -> RefurbVisitor:13    """14    This fixture provides a RefurbVisitor instance with a visit method for each15    possible node, but no checks to run.16    This forces method generation but calling the methods does nothing.17    """18    checks = Checks(list, {ty: [] for ty in METHOD_NODE_MAPPINGS.values()})19    return RefurbVisitor(checks, Settings())20def get_visit_methods(21    visitor: RefurbVisitor,22) -> Iterable[tuple[str, type[Node]]]:23    """24    Find visitor methods in the instance's __dict__ (those that have been25    generated in __init__) and in the class' __dict__ (the ones that are26    overridden directly in the class)....

__init__.py

Source:__init__.py

1""" Tools for parsing and handling expressions """2from .constraint import ConstraintExpression3from .selection import SelectionExpression4from .update import UpdateExpression5from .visitor import DummyVisitor, Visitor, dummy_visitor6__all__ = [7    "ConstraintExpression",8    "SelectionExpression",9    "UpdateExpression",10    "DummyVisitor",11    "Visitor",12    "dummy_visitor",...

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