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import pytest |
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from django.db import models |
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from psqlextra.fields import HStoreField |
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from psqlextra.query import ConflictAction |
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from .util import get_fake_model |
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View Code Duplication |
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def test_on_conflict_nothing(): |
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"""Tests whether simple insert NOTHING works correctly.""" |
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model = get_fake_model({ |
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'title': HStoreField(uniqueness=['key1']), |
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'cookies': models.CharField(max_length=255, null=True) |
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}) |
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obj1 = ( |
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model.objects |
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.on_conflict([('title', 'key1')], ConflictAction.NOTHING) |
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.insert_and_get(title={'key1': 'beer'}, cookies='cheers') |
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) |
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obj1.refresh_from_db() |
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assert obj1.title['key1'] == 'beer' |
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assert obj1.cookies == 'cheers' |
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obj2 = ( |
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model.objects |
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.on_conflict([('title', 'key1')], ConflictAction.NOTHING) |
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.insert_and_get(title={'key1': 'beer'}, cookies='choco') |
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) |
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obj1.refresh_from_db() |
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obj2.refresh_from_db() |
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# assert that the 'cookies' field didn't change |
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assert obj1.id == obj2.id |
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assert obj1.title['key1'] == 'beer' |
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assert obj1.cookies == 'cheers' |
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assert obj2.title['key1'] == 'beer' |
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assert obj2.cookies == 'cheers' |
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def test_on_conflict_nothing_foreign_primary_key(): |
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""" |
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Tests whether simple insert NOTHING works correctly when the primary key of |
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a field is a foreign key with a custom name. |
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""" |
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referenced_model = get_fake_model({}) |
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model = get_fake_model({ |
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'parent': models.OneToOneField( |
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referenced_model, |
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primary_key=True, |
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on_delete=models.CASCADE, |
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), |
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'cookies': models.CharField(max_length=255), |
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}) |
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referenced_obj = referenced_model.objects.create() |
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obj1 = ( |
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model.objects |
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.on_conflict(['parent_id'], ConflictAction.NOTHING) |
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.insert_and_get(parent_id=referenced_obj.pk, cookies='cheers') |
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) |
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obj1.refresh_from_db() |
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assert obj1.parent == referenced_obj |
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assert obj1.cookies == 'cheers' |
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obj2 = ( |
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model.objects |
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.on_conflict(['parent_id'], ConflictAction.NOTHING) |
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.insert_and_get(parent_id=referenced_obj.pk, cookies='choco') |
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) |
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obj1.refresh_from_db() |
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obj2.refresh_from_db() |
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assert obj1.pk == obj2.pk |
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assert obj1.cookies == 'cheers' |
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assert obj2.cookies == 'cheers' |
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View Code Duplication |
def test_on_conflict_nothing_foreign_key_by_object(): |
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""" |
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Tests whether simple insert NOTHING works correctly when the potentially |
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conflicting field is a foreign key specified as an object. |
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""" |
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other_model = get_fake_model({}) |
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model = get_fake_model({ |
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'other': models.OneToOneField( |
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other_model, |
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on_delete=models.CASCADE, |
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), |
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'data': models.CharField(max_length=255), |
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}) |
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View Code Duplication |
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other_obj = other_model.objects.create() |
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obj1 = ( |
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model.objects |
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.on_conflict(['other'], ConflictAction.NOTHING) |
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.insert_and_get(other=other_obj, data="some data") |
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) |
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assert obj1.other == other_obj |
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assert obj1.data == "some data" |
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obj1.refresh_from_db() |
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assert obj1.other == other_obj |
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assert obj1.data == "some data" |
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with pytest.raises(ValueError): |
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( |
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model.objects |
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.on_conflict(['other'], ConflictAction.NOTHING) |
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.insert_and_get(other=obj1) |
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) |
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obj2 = ( |
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model.objects |
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.on_conflict(['other'], ConflictAction.NOTHING) |
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.insert_and_get(other=other_obj, data="different data") |
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) |
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assert obj2.other == other_obj |
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assert obj2.data == "some data" |
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obj1.refresh_from_db() |
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obj2.refresh_from_db() |
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# assert that the 'other' field didn't change |
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assert obj1.id == obj2.id |
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assert obj1.other == other_obj |
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assert obj2.other == other_obj |
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assert obj1.data == "some data" |
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assert obj2.data == "some data" |
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def test_on_conflict_nothing_foreign_key_by_id(): |
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""" |
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Tests whether simple insert NOTHING works correctly when the potentially |
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conflicting field is a foreign key specified as an id. |
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""" |
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other_model = get_fake_model({}) |
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model = get_fake_model({ |
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'other': models.OneToOneField( |
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other_model, |
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on_delete=models.CASCADE, |
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), |
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'data': models.CharField(max_length=255), |
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}) |
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other_obj = other_model.objects.create() |
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obj1 = ( |
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model.objects |
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.on_conflict(['other_id'], ConflictAction.NOTHING) |
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.insert_and_get(other_id=other_obj.pk, data="some data") |
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) |
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assert obj1.other == other_obj |
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assert obj1.data == "some data" |
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obj1.refresh_from_db() |
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assert obj1.other == other_obj |
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assert obj1.data == "some data" |
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obj2 = ( |
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model.objects |
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.on_conflict(['other_id'], ConflictAction.NOTHING) |
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.insert_and_get(other_id=other_obj.pk, data="different data") |
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) |
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assert obj2.other == other_obj |
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assert obj2.data == "some data" |
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obj1.refresh_from_db() |
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obj2.refresh_from_db() |
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# assert that the 'other' field didn't change |
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assert obj1.id == obj2.id |
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assert obj1.other == other_obj |
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assert obj2.other == other_obj |
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assert obj1.data == "some data" |
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assert obj2.data == "some data" |
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This can be caused by one of the following:
1. Missing Dependencies
This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands.
2. Missing __init__.py files
This error could also result from missing
__init__.py
files in your module folders. Make sure that you place one file in each sub-folder.