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How to use recwarn method in Pytest

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test_config.py

Source:test_config.py

1import mock2import pytest3from sqlalchemy.pool import NullPool4import flask_sqlalchemy as fsa5from flask_sqlalchemy import _compat, utils6@pytest.fixture7def app_nr(app):8    """9        Signal/event registration with record queries breaks when10        sqlalchemy.create_engine() is mocked out.11    """12    app.config['SQLALCHEMY_RECORD_QUERIES'] = False13    return app14class TestConfigKeys:15    def test_defaults(self, app, recwarn):16        """17        Test all documented config values in the order they appear in our18        documentation: http://flask-sqlalchemy.pocoo.org/dev/config/19        """20        fsa.SQLAlchemy(app)21        # Expecting no warnings for default config22        assert len(recwarn) == 023        assert app.config['SQLALCHEMY_DATABASE_URI'] == 'sqlite:///:memory:'24        assert app.config['SQLALCHEMY_BINDS'] is None25        assert app.config['SQLALCHEMY_ECHO'] is False26        assert app.config['SQLALCHEMY_RECORD_QUERIES'] is None27        assert app.config['SQLALCHEMY_NATIVE_UNICODE'] is None28        assert app.config['SQLALCHEMY_POOL_SIZE'] is None29        assert app.config['SQLALCHEMY_POOL_TIMEOUT'] is None30        assert app.config['SQLALCHEMY_POOL_RECYCLE'] is None31        assert app.config['SQLALCHEMY_MAX_OVERFLOW'] is None32        assert app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] is False33        assert app.config['SQLALCHEMY_ENGINE_OPTIONS'] == {}34    def test_uri_binds_warning(self, app, recwarn):35        # Let's trigger the warning36        del app.config['SQLALCHEMY_DATABASE_URI']37        fsa.SQLAlchemy(app)38        # and verify it showed up as expected39        assert len(recwarn) == 140        expect = 'Neither SQLALCHEMY_DATABASE_URI nor SQLALCHEMY_BINDS' \41                 ' is set. Defaulting SQLALCHEMY_DATABASE_URI to'\42                 ' "sqlite:///:memory:".'43        assert recwarn[0].message.args[0] == expect44    def test_engine_creation_ok(self, app, recwarn):45        """ create_engine() isn't called until needed.  Let's make sure we can do that without46            errors or warnings.47        """48        assert fsa.SQLAlchemy(app).get_engine()49        if utils.sqlalchemy_version('==', '0.8.0') and not _compat.PY2:50            # In CI, we test Python 3.6 and SA 0.8.0, which produces a warning for51            # inspect.getargspec()52            expected_warnings = 153        else:54            expected_warnings = 055        assert len(recwarn) == expected_warnings56    @mock.patch.object(fsa.sqlalchemy, 'create_engine', autospec=True, spec_set=True)57    def test_native_unicode_deprecation_config_opt(self, m_create_engine, app_nr, recwarn):58        app_nr.config['SQLALCHEMY_NATIVE_UNICODE'] = False59        assert fsa.SQLAlchemy(app_nr).get_engine()60        assert len(recwarn) == 161        warning_msg = recwarn[0].message.args[0]62        assert 'SQLALCHEMY_NATIVE_UNICODE' in warning_msg63        assert 'deprecated and will be removed in v3.0' in warning_msg64    @mock.patch.object(fsa.sqlalchemy, 'create_engine', autospec=True, spec_set=True)65    def test_native_unicode_deprecation_init_opt(self, m_create_engine, app_nr, recwarn):66        assert fsa.SQLAlchemy(app_nr, use_native_unicode=False).get_engine()67        assert len(recwarn) == 168        warning_msg = recwarn[0].message.args[0]69        assert 'use_native_unicode' in warning_msg70        assert 'deprecated and will be removed in v3.0' in warning_msg71    @mock.patch.object(fsa.sqlalchemy, 'create_engine', autospec=True, spec_set=True)72    def test_deprecation_config_opt_pool_size(self, m_create_engine, app_nr, recwarn):73        app_nr.config['SQLALCHEMY_POOL_SIZE'] = 574        assert fsa.SQLAlchemy(app_nr).get_engine()75        assert len(recwarn) == 176        warning_msg = recwarn[0].message.args[0]77        assert 'SQLALCHEMY_POOL_SIZE' in warning_msg78        assert 'deprecated and will be removed in v3.0.' in warning_msg79        assert 'pool_size' in warning_msg80    @mock.patch.object(fsa.sqlalchemy, 'create_engine', autospec=True, spec_set=True)81    def test_deprecation_config_opt_pool_timeout(self, m_create_engine, app_nr, recwarn):82        app_nr.config['SQLALCHEMY_POOL_TIMEOUT'] = 583        assert fsa.SQLAlchemy(app_nr).get_engine()84        assert len(recwarn) == 185        warning_msg = recwarn[0].message.args[0]86        assert 'SQLALCHEMY_POOL_TIMEOUT' in warning_msg87        assert 'deprecated and will be removed in v3.0.' in warning_msg88        assert 'pool_timeout' in warning_msg89    @mock.patch.object(fsa.sqlalchemy, 'create_engine', autospec=True, spec_set=True)90    def test_deprecation_config_opt_pool_recycle(self, m_create_engine, app_nr, recwarn):91        app_nr.config['SQLALCHEMY_POOL_RECYCLE'] = 592        assert fsa.SQLAlchemy(app_nr).get_engine()93        assert len(recwarn) == 194        warning_msg = recwarn[0].message.args[0]95        assert 'SQLALCHEMY_POOL_RECYCLE' in warning_msg96        assert 'deprecated and will be removed in v3.0.' in warning_msg97        assert 'pool_recycle' in warning_msg98    @mock.patch.object(fsa.sqlalchemy, 'create_engine', autospec=True, spec_set=True)99    def test_deprecation_config_opt_max_overflow(self, m_create_engine, app_nr, recwarn):100        app_nr.config['SQLALCHEMY_MAX_OVERFLOW'] = 5101        assert fsa.SQLAlchemy(app_nr).get_engine()102        assert len(recwarn) == 1103        warning_msg = recwarn[0].message.args[0]104        assert 'SQLALCHEMY_MAX_OVERFLOW' in warning_msg105        assert 'deprecated and will be removed in v3.0.' in warning_msg106        assert 'max_overflow' in warning_msg107@mock.patch.object(fsa.sqlalchemy, 'create_engine', autospec=True, spec_set=True)108class TestCreateEngine:109    """110        Tests for _EngineConnector and SQLAlchemy methods inolved in setting up111        the SQLAlchemy engine.112    """113    def test_engine_echo_default(self, m_create_engine, app_nr):114        fsa.SQLAlchemy(app_nr).get_engine()115        args, options = m_create_engine.call_args116        assert 'echo' not in options117    def test_engine_echo_true(self, m_create_engine, app_nr):118        app_nr.config['SQLALCHEMY_ECHO'] = True119        fsa.SQLAlchemy(app_nr).get_engine()120        args, options = m_create_engine.call_args121        assert options['echo'] is True122    @mock.patch.object(fsa.utils, 'sqlalchemy')123    def test_convert_unicode_default_sa_13(self, m_sqlalchemy, m_create_engine, app_nr):124        m_sqlalchemy.__version__ = '1.3'125        fsa.SQLAlchemy(app_nr).get_engine()126        args, options = m_create_engine.call_args127        assert 'convert_unicode' not in options128    def test_config_from_engine_options(self, m_create_engine, app_nr):129        app_nr.config['SQLALCHEMY_ENGINE_OPTIONS'] = {'foo': 'bar'}130        fsa.SQLAlchemy(app_nr).get_engine()131        args, options = m_create_engine.call_args132        assert options['foo'] == 'bar'133    def test_config_from_init(self, m_create_engine, app_nr):134        fsa.SQLAlchemy(app_nr, engine_options={'bar': 'baz'}).get_engine()135        args, options = m_create_engine.call_args136        assert options['bar'] == 'baz'137    def test_pool_class_default(self, m_create_engine, app_nr):138        fsa.SQLAlchemy(app_nr).get_engine()139        args, options = m_create_engine.call_args140        assert options['poolclass'].__name__ == 'StaticPool'141    def test_pool_class_with_pool_size_zero(self, m_create_engine, app_nr, recwarn):142        app_nr.config['SQLALCHEMY_POOL_SIZE'] = 0143        with pytest.raises(RuntimeError) as exc_info:144            fsa.SQLAlchemy(app_nr).get_engine()145        expected = 'SQLite in memory database with an empty queue not possible due to data loss.'146        assert exc_info.value.args[0] == expected147    def test_pool_class_nullpool(self, m_create_engine, app_nr):148        engine_options = {'poolclass': NullPool}149        fsa.SQLAlchemy(app_nr, engine_options=engine_options).get_engine()150        args, options = m_create_engine.call_args151        assert options['poolclass'].__name__ == 'NullPool'...

test_deprecate.py

Source:test_deprecate.py

1import pytest2import inspect3import warnings4from .._deprecate import (5    TrioDeprecationWarning,6    warn_deprecated,7    deprecated,8    deprecated_alias,9)10from . import module_with_deprecations11@pytest.fixture12def recwarn_always(recwarn):13    warnings.simplefilter("always")14    # ResourceWarnings about unclosed sockets can occur nondeterministically15    # (during GC) which throws off the tests in this file16    warnings.simplefilter("ignore", ResourceWarning)17    return recwarn18def _here():19    info = inspect.getframeinfo(inspect.currentframe().f_back)20    return (info.filename, info.lineno)21def test_warn_deprecated(recwarn_always):22    def deprecated_thing():23        warn_deprecated("ice", "1.2", issue=1, instead="water")24    deprecated_thing()25    filename, lineno = _here()26    assert len(recwarn_always) == 127    got = recwarn_always.pop(TrioDeprecationWarning)28    assert "ice is deprecated" in got.message.args[0]29    assert "Trio 1.2" in got.message.args[0]30    assert "water instead" in got.message.args[0]31    assert "/issues/1" in got.message.args[0]32    assert got.filename == filename33    assert got.lineno == lineno - 134def test_warn_deprecated_no_instead_or_issue(recwarn_always):35    # Explicitly no instead or issue36    warn_deprecated("water", "1.3", issue=None, instead=None)37    assert len(recwarn_always) == 138    got = recwarn_always.pop(TrioDeprecationWarning)39    assert "water is deprecated" in got.message.args[0]40    assert "no replacement" in got.message.args[0]41    assert "Trio 1.3" in got.message.args[0]42def test_warn_deprecated_stacklevel(recwarn_always):43    def nested1():44        nested2()45    def nested2():46        warn_deprecated("x", "1.3", issue=7, instead="y", stacklevel=3)47    filename, lineno = _here()48    nested1()49    got = recwarn_always.pop(TrioDeprecationWarning)50    assert got.filename == filename51    assert got.lineno == lineno + 152def old():  # pragma: no cover53    pass54def new():  # pragma: no cover55    pass56def test_warn_deprecated_formatting(recwarn_always):57    warn_deprecated(old, "1.0", issue=1, instead=new)58    got = recwarn_always.pop(TrioDeprecationWarning)59    assert "test_deprecate.old is deprecated" in got.message.args[0]60    assert "test_deprecate.new instead" in got.message.args[0]61@deprecated("1.5", issue=123, instead=new)62def deprecated_old():63    return 364def test_deprecated_decorator(recwarn_always):65    assert deprecated_old() == 366    got = recwarn_always.pop(TrioDeprecationWarning)67    assert "test_deprecate.deprecated_old is deprecated" in got.message.args[0]68    assert "1.5" in got.message.args[0]69    assert "test_deprecate.new" in got.message.args[0]70    assert "issues/123" in got.message.args[0]71class Foo:72    @deprecated("1.0", issue=123, instead="crying")73    def method(self):74        return 775def test_deprecated_decorator_method(recwarn_always):76    f = Foo()77    assert f.method() == 778    got = recwarn_always.pop(TrioDeprecationWarning)79    assert "test_deprecate.Foo.method is deprecated" in got.message.args[0]80@deprecated("1.2", thing="the thing", issue=None, instead=None)81def deprecated_with_thing():82    return 7283def test_deprecated_decorator_with_explicit_thing(recwarn_always):84    assert deprecated_with_thing() == 7285    got = recwarn_always.pop(TrioDeprecationWarning)86    assert "the thing is deprecated" in got.message.args[0]87def new_hotness():88    return "new hotness"89old_hotness = deprecated_alias("old_hotness", new_hotness, "1.23", issue=1)90def test_deprecated_alias(recwarn_always):91    assert old_hotness() == "new hotness"92    got = recwarn_always.pop(TrioDeprecationWarning)93    assert "test_deprecate.old_hotness is deprecated" in got.message.args[0]94    assert "1.23" in got.message.args[0]95    assert "test_deprecate.new_hotness instead" in got.message.args[0]96    assert "issues/1" in got.message.args[0]97    assert ".. deprecated:: 1.23" in old_hotness.__doc__98    assert "test_deprecate.new_hotness instead" in old_hotness.__doc__99    assert "issues/1>`__" in old_hotness.__doc__100class Alias:101    def new_hotness_method(self):102        return "new hotness method"103    old_hotness_method = deprecated_alias(104        "Alias.old_hotness_method", new_hotness_method, "3.21", issue=1105    )106def test_deprecated_alias_method(recwarn_always):107    obj = Alias()108    assert obj.old_hotness_method() == "new hotness method"109    got = recwarn_always.pop(TrioDeprecationWarning)110    msg = got.message.args[0]111    assert "test_deprecate.Alias.old_hotness_method is deprecated" in msg112    assert "test_deprecate.Alias.new_hotness_method instead" in msg113@deprecated("2.1", issue=1, instead="hi")114def docstring_test1():  # pragma: no cover115    """Hello!"""116@deprecated("2.1", issue=None, instead="hi")117def docstring_test2():  # pragma: no cover118    """Hello!"""119@deprecated("2.1", issue=1, instead=None)120def docstring_test3():  # pragma: no cover121    """Hello!"""122@deprecated("2.1", issue=None, instead=None)123def docstring_test4():  # pragma: no cover124    """Hello!"""125def test_deprecated_docstring_munging():126    assert (127        docstring_test1.__doc__128        == """Hello!129.. deprecated:: 2.1130   Use hi instead.131   For details, see `issue #1 <https://github.com/python-trio/trio/issues/1>`__.132"""133    )134    assert (135        docstring_test2.__doc__136        == """Hello!137.. deprecated:: 2.1138   Use hi instead.139"""140    )141    assert (142        docstring_test3.__doc__143        == """Hello!144.. deprecated:: 2.1145   For details, see `issue #1 <https://github.com/python-trio/trio/issues/1>`__.146"""147    )148    assert (149        docstring_test4.__doc__150        == """Hello!151.. deprecated:: 2.1152"""153    )154def test_module_with_deprecations(recwarn_always):155    assert module_with_deprecations.regular == "hi"156    assert len(recwarn_always) == 0157    filename, lineno = _here()158    assert module_with_deprecations.dep1 == "value1"159    got = recwarn_always.pop(TrioDeprecationWarning)160    assert got.filename == filename161    assert got.lineno == lineno + 1162    assert "module_with_deprecations.dep1" in got.message.args[0]163    assert "Trio 1.1" in got.message.args[0]164    assert "/issues/1" in got.message.args[0]165    assert "value1 instead" in got.message.args[0]166    assert module_with_deprecations.dep2 == "value2"167    got = recwarn_always.pop(TrioDeprecationWarning)168    assert "instead-string instead" in got.message.args[0]169    with pytest.raises(AttributeError):...

test_utils.py

Source:test_utils.py

1# MIT License2#3# Copyright (C) The Adversarial Robustness Toolbox (ART) Authors 20204#5# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated6# documentation files (the "Software"), to deal in the Software without restriction, including without limitation the7# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit8# persons to whom the Software is furnished to do so, subject to the following conditions:9#10# The above copyright notice and this permission notice shall be included in all copies or substantial portions of the11# Software.12#13# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE14# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE15# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,16# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE17# SOFTWARE.18from __future__ import absolute_import, division, print_function, unicode_literals19import logging20import pytest21from art.utils import Deprecated, deprecated, deprecated_keyword_arg22logger = logging.getLogger(__name__)23class TestDeprecated:24    """25    Test the deprecation decorator functions and methods.26    """27    def test_deprecated_simple(self):28        @deprecated("1.3.0")29        def simple_addition(a, b):30            return a + b31        with pytest.deprecated_call():32            simple_addition(1, 2)33    def test_deprecated_reason_keyword(self, recwarn):34        @deprecated("1.3.0", reason="With some reason message.")35        def simple_addition(a, b):36            return a + b37        warn_msg_expected = (38            "Function 'simple_addition' is deprecated and will be removed in future release 1.3.0."39            "\nWith some reason message."40        )41        simple_addition(1, 2)42        warn_obj = recwarn.pop(DeprecationWarning)43        assert str(warn_obj.message) == warn_msg_expected44    def test_deprecated_replaced_by_keyword(self, recwarn):45        @deprecated("1.3.0", replaced_by="sum")46        def simple_addition(a, b):47            return a + b48        warn_msg_expected = (49            "Function 'simple_addition' is deprecated and will be removed in future release 1.3.0."50            " It will be replaced by 'sum'."51        )52        simple_addition(1, 2)53        warn_obj = recwarn.pop(DeprecationWarning)54        assert str(warn_obj.message) == warn_msg_expected55class TestDeprecatedKeyword:56    """57    Test the deprecation decorator for keyword arguments.58    """59    def test_deprecated_keyword_used(self):60        @deprecated_keyword_arg("a", "1.3.0")61        def simple_addition(a=Deprecated, b=1):62            result = a if a is Deprecated else a + b63            return result64        with pytest.deprecated_call():65            simple_addition(a=1)66    def test_deprecated_keyword_not_used(self, recwarn):67        @deprecated_keyword_arg("b", "1.3.0")68        def simple_addition(a, b=Deprecated):69            result = a if b is Deprecated else a + b70            return result71        simple_addition(1)72        assert len(recwarn) == 073    def test_reason(self, recwarn):74        @deprecated_keyword_arg("a", "1.3.0", reason="With some reason message.")75        def simple_addition(a=Deprecated, b=1):76            result = a if a is Deprecated else a + b77            return result78        warn_msg_expected = (79            "Keyword argument 'a' in 'simple_addition' is deprecated and will be removed in future release 1.3.0."80            "\nWith some reason message."81        )82        simple_addition(a=1)83        warn_obj = recwarn.pop(DeprecationWarning)84        assert str(warn_obj.message) == warn_msg_expected85    def test_replaced_by(self, recwarn):86        @deprecated_keyword_arg("b", "1.3.0", replaced_by="c")87        def simple_addition(a=1, b=Deprecated, c=1):88            result = a + c if b is Deprecated else a + b89            return result90        warn_msg_expected = (91            "Keyword argument 'b' in 'simple_addition' is deprecated and will be removed in future release 1.3.0."92            " It will be replaced by 'c'."93        )94        simple_addition(a=1, b=1)95        warn_obj = recwarn.pop(DeprecationWarning)96        assert str(warn_obj.message) == warn_msg_expected97    def test_replaced_by_keyword_missing_signature_error(self, recwarn):98        @deprecated_keyword_arg("b", "1.3.0", replaced_by="c")99        def simple_addition(a=1, b=Deprecated):100            result = a if b is Deprecated else a + b101            return result102        exc_msg = "Deprecated keyword replacement not found in function signature."103        with pytest.raises(ValueError, match=exc_msg):104            simple_addition(a=1)105    def test_deprecated_keyword_default_value_error(self):106        @deprecated_keyword_arg("a", "1.3.0")107        def simple_addition(a=None, b=1):108            result = a if a is None else a + b109            return result110        exc_msg = "Deprecated keyword argument must default to the Decorator singleton."111        with pytest.raises(ValueError, match=exc_msg):...

test_deprecation.py

Source:test_deprecation.py

1import warnings2import pytest3from flaskbb.deprecation import RemovedInFlaskBB3, deprecated4NEXT_VERSION_STRING = ".".join([str(x) for x in RemovedInFlaskBB3.version])5@deprecated("This is only a drill")6def only_a_drill():7    pass8# TODO(anr): Make the parens optional9@deprecated()10def default_deprecation():11    """12    Existing docstring13    """14    pass15class TestDeprecation(object):16    def test_emits_default_deprecation_warning(self, recwarn):17        warnings.simplefilter("default", RemovedInFlaskBB3)18        default_deprecation()19        assert len(recwarn) == 120        assert "default_deprecation is deprecated" in str(recwarn[0].message)21        assert recwarn[0].category == RemovedInFlaskBB322        assert recwarn[0].filename == __file__23        # assert on the next line is conditional on the position of the call24        # to default_deprecation please don't jiggle it around too much25        assert recwarn[0].lineno == 2826        assert "only_a_drill is deprecated" in only_a_drill.__doc__27    def tests_emits_specialized_message(self, recwarn):28        warnings.simplefilter("default", RemovedInFlaskBB3)29        only_a_drill()30        expected = "only_a_drill is deprecated and will be removed in version {}. This is only a drill".format(  # noqa31            NEXT_VERSION_STRING32        )33        assert len(recwarn) == 134        assert expected in str(recwarn[0].message)35    def tests_only_accepts_FlaskBBDeprecationWarnings(self):36        with pytest.raises(ValueError) as excinfo:37            # DeprecationWarning is ignored by default38            @deprecated("This is also a drill", category=UserWarning)39            def also_a_drill():40                pass41        assert "Expected subclass of FlaskBBDeprecation" in str(excinfo.value)42    def tests_deprecated_decorator_work_with_method(self, recwarn):43        warnings.simplefilter("default", RemovedInFlaskBB3)44        self.deprecated_instance_method()45        assert len(recwarn) == 146    def test_adds_to_existing_docstring(self, recwarn):47        docstring = default_deprecation.__doc__48        assert "Existing docstring" in docstring49        assert "default_deprecation is deprecated" in docstring50    @deprecated()51    def deprecated_instance_method(self):...

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