David Wobrock
e6e8cc7525
Instead of using the file path when the git commit is not added, use the file and the migrations list no matter if we select all migrations or just from a certain git commit. And unit tests :)
141 lines
5.7 KiB
Python
141 lines
5.7 KiB
Python
# Copyright 2019 3YOURMIND GmbH
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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import tempfile
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from django.db.migrations import Migration
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from django_migration_linter import MigrationLinter
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class LinterFunctionsTestCase(unittest.TestCase):
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def test_get_sql(self):
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linter = MigrationLinter()
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sql_statements = linter.get_sql("app_add_not_null_column", "0001")
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self.assertEqual(len(sql_statements), 6)
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self.assertEqual(sql_statements[0], "BEGIN;")
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self.assertEqual(sql_statements[-1], "COMMIT;")
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def test_has_errors(self):
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linter = MigrationLinter(database="mysql")
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self.assertFalse(linter.has_errors)
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m = Migration("0001_create_table", "app_add_not_null_column")
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linter.lint_migration(m)
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self.assertFalse(linter.has_errors)
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m = Migration("0002_add_new_not_null_field", "app_add_not_null_column")
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linter.lint_migration(m)
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self.assertTrue(linter.has_errors)
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m = Migration("0001_create_table", "app_add_not_null_column")
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linter.lint_migration(m)
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self.assertTrue(linter.has_errors)
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def test_ignore_migration_include_apps(self):
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linter = MigrationLinter(include_apps=("app_add_not_null_column",))
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self.assertTrue(linter.should_ignore_migration("app_correct", "0001"))
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self.assertTrue(linter.should_ignore_migration("app_correct", "0002"))
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self.assertFalse(
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linter.should_ignore_migration("app_add_not_null_column", "0001")
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)
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def test_ignore_migration_exclude_apps(self):
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linter = MigrationLinter(exclude_apps=("app_add_not_null_column",))
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self.assertFalse(linter.should_ignore_migration("app_correct", "0001"))
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self.assertFalse(linter.should_ignore_migration("app_correct", "0002"))
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self.assertTrue(
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linter.should_ignore_migration("app_add_not_null_column", "0001")
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)
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def test_ignore_migration_name_contains(self):
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linter = MigrationLinter(ignore_name_contains="foo")
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self.assertFalse(linter.should_ignore_migration("app_correct", "0001_initial"))
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self.assertTrue(linter.should_ignore_migration("app_correct", "0002_foo"))
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def test_ignore_migration_full_name(self):
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linter = MigrationLinter(ignore_name=("0002_foo",))
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self.assertFalse(linter.should_ignore_migration("app_correct", "0001_initial"))
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self.assertTrue(linter.should_ignore_migration("app_correct", "0002_foo"))
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def test_gather_all_migrations(self):
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linter = MigrationLinter()
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migrations = linter._gather_all_migrations()
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self.assertGreater(len(list(migrations)), 1)
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def test_ignore_unapplied_migrations(self):
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linter = MigrationLinter(only_applied_migrations=True)
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linter.migration_loader.applied_migrations = {("app_correct", "0002_foo")}
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self.assertTrue(linter.should_ignore_migration("app_correct", "0001_initial"))
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self.assertFalse(linter.should_ignore_migration("app_correct", "0002_foo"))
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def test_ignore_applied_migrations(self):
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linter = MigrationLinter(only_unapplied_migrations=True)
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linter.migration_loader.applied_migrations = {("app_correct", "0002_foo")}
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self.assertFalse(linter.should_ignore_migration("app_correct", "0001_initial"))
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self.assertTrue(linter.should_ignore_migration("app_correct", "0002_foo"))
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def test_exclude_migration_tests(self):
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m = Migration("0002_add_new_not_null_field", "app_add_not_null_column")
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linter = MigrationLinter(exclude_migration_tests=[], database="mysql")
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linter.lint_migration(m)
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self.assertTrue(linter.has_errors)
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linter = MigrationLinter(exclude_migration_tests=["NOT_NULL"], database="mysql")
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linter.lint_migration(m)
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self.assertFalse(linter.has_errors)
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def test_read_migrations_unknown_file(self):
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file_path = "unknown_file"
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migration_list = MigrationLinter.read_migrations_list(file_path)
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self.assertEqual([], migration_list)
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def test_read_migrations_empty_file(self):
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with tempfile.NamedTemporaryFile() as tmp:
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migration_list = MigrationLinter.read_migrations_list(tmp.name)
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self.assertEqual([], migration_list)
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def test_read_migrations_from_file(self):
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tmp = tempfile.NamedTemporaryFile(mode="w", delete=False)
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tmp.write(
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"test_project/app_add_not_null_column/migrations/0001_create_table.py\n"
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)
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tmp.write("unknown\n")
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tmp.write(
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"test_project/app_add_not_null_column/migrations/0002_add_new_not_null_field.py\n"
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)
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tmp.close()
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migration_list = MigrationLinter.read_migrations_list(tmp.name)
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self.assertEqual(
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[
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("app_add_not_null_column", "0001_create_table"),
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("app_add_not_null_column", "0002_add_new_not_null_field"),
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],
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migration_list,
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)
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def test_gather_migrations_with_list(self):
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linter = MigrationLinter()
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migrations = linter._gather_all_migrations(
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migrations_list=[
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("app_add_not_null_column", "0001_create_table"),
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("app_add_not_null_column", "0002_add_new_not_null_field"),
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]
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)
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self.assertEqual(2, len(list(migrations)))
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