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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| # Copyright 2021 Google LLC | ||
| # | ||
| # Use of this source code is governed by a BSD-style | ||
| # license that can be found in the LICENSE file or at | ||
| # https://developers.google.com/open-source/licenses/bsd | ||
|
|
||
| import os | ||
| import django | ||
| from django.conf import settings | ||
|
|
||
| # We manually designate which settings we will be using in an environment | ||
| # variable. This is similar to what occurs in the `manage.py` file. | ||
| os.environ.setdefault("DJANGO_SETTINGS_MODULE", "tests.system.settings") | ||
|
|
||
|
|
||
| # `pytest` automatically calls this function once when tests are run. | ||
| def pytest_configure(): | ||
| settings.DEBUG = False | ||
| django.setup() |
Empty file.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| # Copyright 2021 Google LLC | ||
| # | ||
| # Use of this source code is governed by a BSD-style | ||
| # license that can be found in the LICENSE file or at | ||
| # https://developers.google.com/open-source/licenses/bsd | ||
|
|
||
| """ | ||
| Different models used by system tests in django-spanner code. | ||
| """ | ||
| from django.db import models | ||
|
|
||
|
|
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| class Author(models.Model): | ||
| first_name = models.CharField(max_length=20) | ||
| last_name = models.CharField(max_length=20) | ||
| rating = models.DecimalField() | ||
|
|
||
|
|
||
| class Number(models.Model): | ||
| num = models.DecimalField() | ||
|
|
||
| def __str__(self): | ||
| return str(self.num) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| # Copyright 2021 Google LLC | ||
| # | ||
| # Use of this source code is governed by a BSD-style | ||
| # license that can be found in the LICENSE file or at | ||
| # https://developers.google.com/open-source/licenses/bsd | ||
|
|
||
| from .models import Author, Number | ||
| from django.test import TransactionTestCase | ||
| from django.db import connection, ProgrammingError | ||
| from django.db.utils import IntegrityError | ||
| from decimal import Decimal | ||
| from tests.system.django_spanner.utils import ( | ||
| setup_instance, | ||
| teardown_instance, | ||
| setup_database, | ||
| teardown_database, | ||
| USE_EMULATOR, | ||
| ) | ||
|
|
||
|
|
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| class TestDecimal(TransactionTestCase): | ||
| @classmethod | ||
| def setUpClass(cls): | ||
| setup_instance() | ||
| setup_database() | ||
| with connection.schema_editor() as editor: | ||
| # Create the tables | ||
| editor.create_model(Author) | ||
| editor.create_model(Number) | ||
|
|
||
| @classmethod | ||
| def tearDownClass(cls): | ||
| with connection.schema_editor() as editor: | ||
| # delete the table | ||
| editor.delete_model(Author) | ||
| editor.delete_model(Number) | ||
| teardown_database() | ||
| teardown_instance() | ||
|
|
||
| def rating_transform(self, value): | ||
| return value["rating"] | ||
|
|
||
| def values_transform(self, value): | ||
| return value.num | ||
|
|
||
| def assertValuesEqual( | ||
| self, queryset, expected_values, transformer, ordered=True | ||
| ): | ||
| self.assertQuerysetEqual( | ||
| queryset, expected_values, transformer, ordered | ||
| ) | ||
|
|
||
| def test_insert_and_search_decimal_value(self): | ||
| """ | ||
| Tests model object creation with Author model. | ||
| """ | ||
| author_kent = Author( | ||
| first_name="Arthur", last_name="Kent", rating=Decimal("4.1"), | ||
| ) | ||
| author_kent.save() | ||
| qs1 = Author.objects.filter(rating__gte=3).values("rating") | ||
| self.assertValuesEqual( | ||
| qs1, [Decimal("4.1")], self.rating_transform, | ||
| ) | ||
| # Delete data from Author table. | ||
| Author.objects.all().delete() | ||
|
|
||
| def test_decimal_filter(self): | ||
| """ | ||
| Tests decimal filter query. | ||
| """ | ||
| # Insert data into Number table. | ||
| Number.objects.bulk_create( | ||
| Number(num=Decimal(i) / Decimal(10)) for i in range(10) | ||
| ) | ||
| qs1 = Number.objects.filter(num__lte=Decimal(2) / Decimal(10)) | ||
| self.assertValuesEqual( | ||
| qs1, | ||
| [Decimal(i) / Decimal(10) for i in range(3)], | ||
| self.values_transform, | ||
| ordered=False, | ||
| ) | ||
| # Delete data from Number table. | ||
| Number.objects.all().delete() | ||
|
|
||
| def test_decimal_precision_limit(self): | ||
| """ | ||
| Tests decimal object precission limit. | ||
| """ | ||
| num_val = Number(num=Decimal(1) / Decimal(3)) | ||
| if USE_EMULATOR: | ||
| msg = "The NUMERIC type supports 38 digits of precision and 9 digits of scale." | ||
| with self.assertRaisesRegex(IntegrityError, msg): | ||
| num_val.save() | ||
| else: | ||
| msg = "400 Invalid value for bind parameter a0: Expected NUMERIC." | ||
| with self.assertRaisesRegex(ProgrammingError, msg): | ||
| num_val.save() | ||
|
|
||
| def test_decimal_update(self): | ||
| """ | ||
| Tests decimal object update. | ||
| """ | ||
| author_kent = Author( | ||
| first_name="Arthur", last_name="Kent", rating=Decimal("4.1"), | ||
| ) | ||
| author_kent.save() | ||
| author_kent.rating = Decimal("4.2") | ||
| author_kent.save() | ||
| qs1 = Author.objects.filter(rating__gte=Decimal("4.2")).values( | ||
| "rating" | ||
| ) | ||
| self.assertValuesEqual( | ||
| qs1, [Decimal("4.2")], self.rating_transform, | ||
| ) | ||
| # Delete data from Author table. | ||
| Author.objects.all().delete() |
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