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How to use immutable method in pandera

Best Python code snippet using pandera_python

immutable.py

Source:immutable.py

1# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018  Rickard Lindberg, Roger Lindberg2#3# This file is part of Timeline.4#5# Timeline is free software: you can redistribute it and/or modify6# it under the terms of the GNU General Public License as published by7# the Free Software Foundation, either version 3 of the License, or8# (at your option) any later version.9#10# Timeline is distributed in the hope that it will be useful,11# but WITHOUT ANY WARRANTY; without even the implied warranty of12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the13# GNU General Public License for more details.14#15# You should have received a copy of the GNU General Public License16# along with Timeline.  If not, see <http://www.gnu.org/licenses/>.17from timelinelib.canvas.data.immutable import ImmutableCategory18from timelinelib.canvas.data.immutable import ImmutableContainer19from timelinelib.canvas.data.immutable import ImmutableDB20from timelinelib.canvas.data.immutable import ImmutableEra21from timelinelib.canvas.data.immutable import ImmutableEvent22from timelinelib.canvas.data.immutable import ImmutableMilestone23from timelinelib.canvas.data.immutable import InvalidOperationError24from timelinelib.general.immutable import ImmutableDict25from timelinelib.test.cases.unit import UnitTestCase26class DBTestCase(UnitTestCase):27    def assertDifferentIdentity(self, o1, o2):28        self.assertEqual(type(o1), type(o2))29        self.assertFalse(o1 is o2)30class describe_saving_event(DBTestCase):31    def test_db_is_not_mutated(self):32        db1 = ImmutableDB()33        db2 = db1.save_event(ImmutableEvent(), 1)34        self.assertDifferentIdentity(db1, db2)35    def test_event_is_added(self):36        db = ImmutableDB()37        db = db.save_category(ImmutableCategory(name="work"), 1)38        db = db.save_event(ImmutableEvent(text="meeting", category_id=1), 2)39        self.assertEqual(db, ImmutableDB(40            categories=ImmutableDict({41                1: ImmutableCategory(name="work"),42            }),43            events=ImmutableDict({44                2: ImmutableEvent(text="meeting", category_id=1),45            }),46        ))47    def test_event_is_updated(self):48        db = ImmutableDB()49        db = db.save_event(ImmutableEvent(text="meeting"), 1)50        db = db.save_event(ImmutableEvent(text="lunch"), 1)51        self.assertEqual(db, ImmutableDB(52            events=ImmutableDict({53                1: ImmutableEvent(text="lunch"),54            }),55        ))56    def test_fails_if_category_does_not_exist(self):57        db = ImmutableDB()58        self.assertRaisesRegexp(59            InvalidOperationError,60            r"^Category with id 99 does not exist$",61            db.save_event, ImmutableEvent(category_id=99), 162        )63    def test_fails_if_container_does_not_exist(self):64        db = ImmutableDB()65        self.assertRaisesRegexp(66            InvalidOperationError,67            r"^Container with id 99 does not exist$",68            db.save_event, ImmutableEvent(container_id=99), 169        )70class describe_deleting_event(DBTestCase):71    def test_db_is_not_mutated(self):72        db1 = ImmutableDB().save_event(ImmutableEvent(), 1)73        db2 = db1.delete_event(1)74        self.assertDifferentIdentity(db1, db2)75    def test_event_is_removed(self):76        db = ImmutableDB()77        db = db.save_event(ImmutableEvent(text="meeting"), 1)78        db = db.save_event(ImmutableEvent(text="football"), 2)79        db = db.delete_event(1)80        self.assertEqual(db, ImmutableDB(81            events=ImmutableDict({82                2: ImmutableEvent(text="football"),83            }),84        ))85    def test_fails_if_event_does_not_exist(self):86        db = ImmutableDB()87        self.assertRaisesRegexp(88            InvalidOperationError,89            r"^Event with id 99 does not exist$",90            db.delete_event, 9991        )92class describe_saving_category(DBTestCase):93    def test_db_is_not_mutated(self):94        db1 = ImmutableDB()95        db2 = db1.save_category(ImmutableCategory(), 1)96        self.assertDifferentIdentity(db1, db2)97    def test_category_is_added(self):98        db = ImmutableDB()99        db = db.save_category(ImmutableCategory(name="foo"), 1)100        db = db.save_category(ImmutableCategory(name="bar"), 2)101        self.assertEqual(db, ImmutableDB(102            categories=ImmutableDict({103                1: ImmutableCategory(name="foo"),104                2: ImmutableCategory(name="bar"),105            })106        ))107    def test_category_is_updated(self):108        db = ImmutableDB()109        db = db.save_category(ImmutableCategory(name="foo"), 1)110        db = db.save_category(ImmutableCategory(name="bar"), 2)111        db = db.save_category(ImmutableCategory(name="foo2"), 1)112        self.assertEqual(db, ImmutableDB(113            categories=ImmutableDict({114                1: ImmutableCategory(name="foo2"),115                2: ImmutableCategory(name="bar"),116            })117        ))118    def test_fails_if_name_exists(self):119        db = ImmutableDB()120        db = db.save_category(ImmutableCategory(name="foo"), 1)121        self.assertRaisesRegexp(122            InvalidOperationError,123            r"^Category name 'foo' is not unique$",124            db.save_category, ImmutableCategory(name="foo"), 2125        )126    def test_fails_if_parent_does_not_exist(self):127        db = ImmutableDB()128        self.assertRaisesRegexp(129            InvalidOperationError,130            r"^Category with id 99 does not exist$",131            db.save_category, ImmutableCategory(parent_id=99), 1132        )133    def test_fails_if_parent_creates_circular_reference(self):134        db = ImmutableDB()135        db = db.save_category(ImmutableCategory(name="root"), 1)136        db = db.save_category(ImmutableCategory(name="child", parent_id=1), 2)137        self.assertRaisesRegexp(138            InvalidOperationError,139            r"^Circular category parent$",140            db.save_category, ImmutableCategory(parent_id=2), 1141        )142class describe_deleting_category(DBTestCase):143    def test_db_is_not_mutated(self):144        db1 = ImmutableDB().save_category(ImmutableCategory(name="work"), 1)145        db2 = db1.delete_category(1)146        self.assertDifferentIdentity(db1, db2)147    def test_category_is_removed(self):148        db = ImmutableDB()149        db = db.save_category(ImmutableCategory(name="work"), 1)150        db = db.save_category(ImmutableCategory(name="play"), 2)151        db = db.delete_category(1)152        self.assertEqual(db, ImmutableDB(153            categories=ImmutableDict({154                2: ImmutableCategory(name="play"),155            }),156        ))157    def test_category_parent_id_attribute_is_updated(self):158        db = ImmutableDB()159        db = db.save_category(ImmutableCategory(name="root"), 1)160        db = db.save_category(ImmutableCategory(name="sub", parent_id=1), 2)161        db = db.save_category(ImmutableCategory(name="child1", parent_id=2), 3)162        db = db.save_category(ImmutableCategory(name="child2", parent_id=2), 4)163        db = db.delete_category(2)164        self.assertEqual(db, ImmutableDB(165            categories=ImmutableDict({166                1: ImmutableCategory(name="root"),167                3: ImmutableCategory(name="child1", parent_id=1),168                4: ImmutableCategory(name="child2", parent_id=1),169            }),170        ))171    def test_event_category_id_attribute_is_updated(self):172        db = ImmutableDB()173        db = db.save_category(ImmutableCategory(name="root"), 1)174        db = db.save_category(ImmutableCategory(name="sub", parent_id=1), 2)175        db = db.save_event(ImmutableEvent(text="lunch", category_id=2), 3)176        db = db.save_event(ImmutableEvent(text="dinner", category_id=2), 4)177        db = db.delete_category(2)178        self.assertEqual(db, ImmutableDB(179            categories=ImmutableDict({180                1: ImmutableCategory(name="root"),181            }),182            events=ImmutableDict({183                3: ImmutableEvent(text="lunch", category_id=1),184                4: ImmutableEvent(text="dinner", category_id=1),185            }),186        ))187    def test_milestone_category_id_attribute_is_updated(self):188        db = ImmutableDB()189        db = db.save_category(ImmutableCategory(name="root"), 1)190        db = db.save_category(ImmutableCategory(name="sub", parent_id=1), 2)191        db = db.save_milestone(ImmutableMilestone(text="lunch", category_id=2), 3)192        db = db.save_milestone(ImmutableMilestone(text="dinner", category_id=2), 4)193        db = db.delete_category(2)194        self.assertEqual(db, ImmutableDB(195            categories=ImmutableDict({196                1: ImmutableCategory(name="root"),197            }),198            milestones=ImmutableDict({199                3: ImmutableMilestone(text="lunch", category_id=1),200                4: ImmutableMilestone(text="dinner", category_id=1),201            }),202        ))203    def test_container_category_id_attribute_is_updated(self):204        db = ImmutableDB()205        db = db.save_category(ImmutableCategory(name="root"), 1)206        db = db.save_category(ImmutableCategory(name="sub", parent_id=1), 2)207        db = db.save_container(ImmutableContainer(text="lunch", category_id=2), 3)208        db = db.save_container(ImmutableContainer(text="dinner", category_id=2), 4)209        db = db.delete_category(2)210        self.assertEqual(db, ImmutableDB(211            categories=ImmutableDict({212                1: ImmutableCategory(name="root"),213            }),214            containers=ImmutableDict({215                3: ImmutableContainer(text="lunch", category_id=1),216                4: ImmutableContainer(text="dinner", category_id=1),217            }),218        ))219    def test_fails_if_category_does_not_exist(self):220        db = ImmutableDB()221        self.assertRaisesRegexp(222            InvalidOperationError,223            r"^Category with id 99 does not exist$",224            db.delete_category, 99225        )226class describe_saving_era(DBTestCase):227    def test_db_is_not_mutated(self):228        db1 = ImmutableDB()229        db2 = db1.save_era(ImmutableEra(), 1)230        self.assertDifferentIdentity(db1, db2)231    def test_era_is_added(self):232        db = ImmutableDB()233        db = db.save_era(ImmutableEra(name="present"), 1)234        db = db.save_era(ImmutableEra(name="past"), 2)235        self.assertEqual(db, ImmutableDB(236            eras=ImmutableDict({237                1: ImmutableEra(name="present"),238                2: ImmutableEra(name="past"),239            }),240        ))241    def test_era_is_updated(self):242        db = ImmutableDB()243        db = db.save_era(ImmutableEra(name="present"), 1)244        db = db.save_era(ImmutableEra(name="past"), 1)245        self.assertEqual(db, ImmutableDB(246            eras=ImmutableDict({247                1: ImmutableEra(name="past"),248            }),249        ))250class describe_deleting_era(DBTestCase):251    def test_db_is_not_mutated(self):252        db1 = ImmutableDB().save_era(ImmutableEra(), 1)253        db2 = db1.delete_era(1)254        self.assertDifferentIdentity(db1, db2)255    def test_era_is_removed(self):256        db = ImmutableDB()257        db = db.save_era(ImmutableEra(name="past"), 1)258        db = db.save_era(ImmutableEra(name="present"), 2)259        db = db.delete_era(1)260        self.assertEqual(db, ImmutableDB(261            eras=ImmutableDict({262                2: ImmutableEra(name="present"),263            }),264        ))265    def test_fails_if_era_does_not_exist(self):266        db = ImmutableDB()267        self.assertRaisesRegexp(268            InvalidOperationError,269            r"^Era with id 99 does not exist$",270            db.delete_era, 99271        )272class describe_saving_milestone(DBTestCase):273    def test_db_is_not_mutated(self):274        db1 = ImmutableDB()275        db2 = db1.save_milestone(ImmutableMilestone(), 1)276        self.assertDifferentIdentity(db1, db2)277    def test_milestone_is_added(self):278        db = ImmutableDB()279        db = db.save_category(ImmutableCategory(name="work"), 1)280        db = db.save_milestone(ImmutableMilestone(text="release", category_id=1), 2)281        self.assertEqual(db, ImmutableDB(282            categories=ImmutableDict({283                1: ImmutableCategory(name="work"),284            }),285            milestones=ImmutableDict({286                2: ImmutableMilestone(text="release", category_id=1),287            }),288        ))289    def test_milestone_is_updated(self):290        db = ImmutableDB()291        db = db.save_milestone(ImmutableMilestone(text="release"), 1)292        db = db.save_milestone(ImmutableMilestone(text="alpha"), 1)293        self.assertEqual(db, ImmutableDB(294            milestones=ImmutableDict({295                1: ImmutableMilestone(text="alpha"),296            }),297        ))298    def test_fails_if_category_does_not_exist(self):299        db = ImmutableDB()300        self.assertRaisesRegexp(301            InvalidOperationError,302            r"^Category with id 99 does not exist$",303            db.save_milestone, ImmutableMilestone(category_id=99), 1304        )305class describe_deleting_milestone(DBTestCase):306    def test_db_is_not_mutated(self):307        db1 = ImmutableDB().save_milestone(ImmutableMilestone(text="release"), 1)308        db2 = db1.delete_milestone(1)309        self.assertDifferentIdentity(db1, db2)310    def test_milestone_is_removed(self):311        db = ImmutableDB()312        db = db.save_milestone(ImmutableMilestone(text="release"), 1)313        db = db.save_milestone(ImmutableMilestone(text="alpha"), 2)314        db = db.delete_milestone(1)315        self.assertEqual(db, ImmutableDB(316            milestones=ImmutableDict({317                2: ImmutableMilestone(text="alpha"),318            }),319        ))320    def test_fails_if_milestone_does_not_exist(self):321        db = ImmutableDB()322        self.assertRaisesRegexp(323            InvalidOperationError,324            r"^Milestone with id 99 does not exist$",325            db.delete_milestone, 99326        )327class describe_saving_container(DBTestCase):328    def test_db_is_not_mutated(self):329        db1 = ImmutableDB()330        db2 = db1.save_container(ImmutableContainer(), 1)331        self.assertDifferentIdentity(db1, db2)332    def test_container_is_added(self):333        db = ImmutableDB()334        db = db.save_category(ImmutableCategory(name="work"), 1)335        db = db.save_container(ImmutableContainer(text="foo"), 2)336        db = db.save_container(ImmutableContainer(text="bar", category_id=1), 3)337        self.assertEqual(db, ImmutableDB(338            categories=ImmutableDict({339                1: ImmutableCategory(name="work"),340            }),341            containers=ImmutableDict({342                2: ImmutableContainer(text="foo"),343                3: ImmutableContainer(text="bar", category_id=1),344            })345        ))346    def test_container_is_updated(self):347        db = ImmutableDB()348        db = db.save_container(ImmutableContainer(text="foo"), 1)349        db = db.save_container(ImmutableContainer(text="bar"), 2)350        db = db.save_container(ImmutableContainer(text="bar2"), 2)351        self.assertEqual(db, ImmutableDB(352            containers=ImmutableDict({353                1: ImmutableContainer(text="foo"),354                2: ImmutableContainer(text="bar2"),355            })356        ))357    def test_fails_if_category_does_not_exist(self):358        db = ImmutableDB()359        self.assertRaisesRegexp(360            InvalidOperationError,361            r"^Category with id 99 does not exist$",362            db.save_container, ImmutableContainer(category_id=99), 1363        )364class describe_deleting_container(DBTestCase):365    def test_db_is_not_mutated(self):366        db1 = ImmutableDB().save_container(ImmutableContainer(text="group"), 1)367        db2 = db1.delete_container(1)368        self.assertDifferentIdentity(db1, db2)369    def test_container_is_removed(self):370        db = ImmutableDB()371        db = db.save_container(ImmutableContainer(text="foo"), 1)372        db = db.save_container(ImmutableContainer(text="bar"), 2)373        db = db.delete_container(1)374        self.assertEqual(db, ImmutableDB(375            containers=ImmutableDict({376                2: ImmutableContainer(text="bar"),377            })378        ))379    def test_event_container_id_attribute_is_updated(self):380        db = ImmutableDB()381        db = db.save_container(ImmutableContainer(text="group"), 1)382        db = db.save_event(ImmutableEvent(text="lunch", container_id=1), 2)383        db = db.save_event(ImmutableEvent(text="dinner", container_id=1), 3)384        db = db.delete_container(1)385        self.assertEqual(db, ImmutableDB(386            events=ImmutableDict({387                2: ImmutableEvent(388                    text="lunch",389                    container_id=None390                ),391                3: ImmutableEvent(392                    text="dinner",393                    container_id=None394                ),395            }),396        ))397    def test_fails_if_container_does_not_exist(self):398        db = ImmutableDB()399        self.assertRaisesRegexp(400            InvalidOperationError,401            r"^Container with id 99 does not exist$",402            db.delete_container, 99...

test_hashable.py

Source:test_hashable.py

1from openpyxl.styles import HashableObject2import pytest3@pytest.fixture4def Immutable():5    class Immutable(HashableObject):6        __fields__ = ('value',)7        def __init__(self, value=None):8            self.value = value9    return Immutable10class TestHashable:11    def test_ctor(self, Immutable):12        d = Immutable()13        d.value = 114        assert d.value == 115    def test_cannot_change_attrs(self, Immutable):16        d = Immutable()17        d.value = 118        with pytest.raises(TypeError):19            d.value = 220    def test_cannot_delete_attrs(self, Immutable):21        d = Immutable()22        d.value = 123        with pytest.raises(TypeError):24            del d['value']25    def test_copy(self, Immutable):26        d = Immutable()27        d.value = 128        c = d.copy()29        assert c == d30    def test_hash(self, Immutable):31        d1 = Immutable()32        d2 = Immutable()33        assert hash(d1) == hash(d2)34    def test_str(self, Immutable):35        d = Immutable()36        assert str(d) == "Immutable(value=None)"37        d2 = Immutable("hello")38        assert str(d2) == "Immutable(value='hello')"39    def test_repr(self, Immutable):40        d = Immutable()41        assert repr(d) == ""42        d2 = Immutable("hello")43        assert repr(d2) == "Immutable(value='hello')"44        class ImmutableBase(Immutable):45            __base__ = True46        d = ImmutableBase()47        assert repr(d) == "ImmutableBase()"48    def test_eq(self, Immutable):49        d1 = Immutable(1)50        d2 = Immutable(1)51        assert d1 is not d252        assert d1 == d253    def test_ne(self, Immutable):54        d1 = Immutable(1)55        d2 = Immutable(2)...

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