138 lines
5.4 KiB
Python
138 lines
5.4 KiB
Python
from uuid import uuid4
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from cqlengine.exceptions import ValidationError
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from cqlengine.query import QueryException
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from cqlengine.tests.base import BaseCassEngTestCase
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from cqlengine.models import Model
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from cqlengine.management import sync_table, drop_table
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from cqlengine import columns
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class TestQueryUpdateModel(Model):
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partition = columns.UUID(primary_key=True, default=uuid4)
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cluster = columns.Integer(primary_key=True)
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count = columns.Integer(required=False)
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text = columns.Text(required=False, index=True)
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text_set = columns.Set(columns.Text, required=False)
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class QueryUpdateTests(BaseCassEngTestCase):
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@classmethod
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def setUpClass(cls):
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super(QueryUpdateTests, cls).setUpClass()
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sync_table(TestQueryUpdateModel)
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@classmethod
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def tearDownClass(cls):
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super(QueryUpdateTests, cls).tearDownClass()
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drop_table(TestQueryUpdateModel)
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def test_update_values(self):
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""" tests calling udpate on a queryset """
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partition = uuid4()
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for i in range(5):
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TestQueryUpdateModel.create(partition=partition, cluster=i, count=i, text=str(i))
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# sanity check
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for i, row in enumerate(TestQueryUpdateModel.objects(partition=partition)):
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assert row.cluster == i
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assert row.count == i
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assert row.text == str(i)
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# perform update
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TestQueryUpdateModel.objects(partition=partition, cluster=3).update(count=6)
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for i, row in enumerate(TestQueryUpdateModel.objects(partition=partition)):
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assert row.cluster == i
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assert row.count == (6 if i == 3 else i)
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assert row.text == str(i)
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def test_update_values_validation(self):
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""" tests calling udpate on models with values passed in """
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partition = uuid4()
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for i in range(5):
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TestQueryUpdateModel.create(partition=partition, cluster=i, count=i, text=str(i))
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# sanity check
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for i, row in enumerate(TestQueryUpdateModel.objects(partition=partition)):
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assert row.cluster == i
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assert row.count == i
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assert row.text == str(i)
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# perform update
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with self.assertRaises(ValidationError):
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TestQueryUpdateModel.objects(partition=partition, cluster=3).update(count='asdf')
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def test_invalid_update_kwarg(self):
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""" tests that passing in a kwarg to the update method that isn't a column will fail """
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with self.assertRaises(ValidationError):
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TestQueryUpdateModel.objects(partition=uuid4(), cluster=3).update(bacon=5000)
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def test_primary_key_update_failure(self):
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""" tests that attempting to update the value of a primary key will fail """
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with self.assertRaises(ValidationError):
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TestQueryUpdateModel.objects(partition=uuid4(), cluster=3).update(cluster=5000)
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def test_null_update_deletes_column(self):
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""" setting a field to null in the update should issue a delete statement """
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partition = uuid4()
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for i in range(5):
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TestQueryUpdateModel.create(partition=partition, cluster=i, count=i, text=str(i))
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# sanity check
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for i, row in enumerate(TestQueryUpdateModel.objects(partition=partition)):
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assert row.cluster == i
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assert row.count == i
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assert row.text == str(i)
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# perform update
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TestQueryUpdateModel.objects(partition=partition, cluster=3).update(text=None)
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for i, row in enumerate(TestQueryUpdateModel.objects(partition=partition)):
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assert row.cluster == i
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assert row.count == i
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assert row.text == (None if i == 3 else str(i))
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def test_mixed_value_and_null_update(self):
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""" tests that updating a columns value, and removing another works properly """
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partition = uuid4()
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for i in range(5):
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TestQueryUpdateModel.create(partition=partition, cluster=i, count=i, text=str(i))
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# sanity check
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for i, row in enumerate(TestQueryUpdateModel.objects(partition=partition)):
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assert row.cluster == i
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assert row.count == i
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assert row.text == str(i)
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# perform update
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TestQueryUpdateModel.objects(partition=partition, cluster=3).update(count=6, text=None)
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for i, row in enumerate(TestQueryUpdateModel.objects(partition=partition)):
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assert row.cluster == i
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assert row.count == (6 if i == 3 else i)
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assert row.text == (None if i == 3 else str(i))
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def test_counter_updates(self):
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pass
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def test_set_add_updates(self):
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partition = uuid4()
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cluster = 1
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TestQueryUpdateModel.objects.create(
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partition=partition, cluster=cluster, text_set={"foo"})
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TestQueryUpdateModel.objects(
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partition=partition, cluster=cluster).update(text_set__add={'bar'})
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obj = TestQueryUpdateModel.objects.get(partition=partition, cluster=cluster)
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self.assertEqual(obj.text_set, {"foo", "bar"})
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def test_set_add_updates_new_record(self):
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""" If the key doesn't exist yet, an update creates the record
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"""
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partition = uuid4()
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cluster = 1
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TestQueryUpdateModel.objects(
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partition=partition, cluster=cluster).update(text_set__add={'bar'})
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obj = TestQueryUpdateModel.objects.get(partition=partition, cluster=cluster)
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self.assertEqual(obj.text_set, {"bar"})
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