deckhand/deckhand/tests/unit/engine/test_revision_diffing.py

337 lines
15 KiB
Python

# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import copy
from deckhand.engine.revision_diff import revision_diff
from deckhand.tests import test_utils
from deckhand.tests.unit import base
class TestRevisionDiffing(base.DeckhandWithDBTestCase):
def _verify_buckets_status(self, revision_id, comparison_revision_id,
expected):
# Verify that actual and expected results match, despite the order of
# `comparison_revision_id` and `revision_id` args.
revision_ids = [revision_id, comparison_revision_id]
for rev_ids in (revision_ids, reversed(revision_ids)):
actual = revision_diff(*rev_ids)
self.assertEqual(expected, actual)
def test_revision_diff_null(self):
self._verify_buckets_status(0, 0, {})
def test_revision_diff_created(self):
payload = base.DocumentFixture.get_minimal_multi_fixture(count=3)
bucket_name = test_utils.rand_name('bucket')
documents = self.create_documents(bucket_name, payload)
revision_id = documents[0]['revision_id']
self._verify_buckets_status(
0, revision_id, {bucket_name: 'created'})
def test_revision_diff_multi_bucket_created(self):
revision_ids = []
bucket_names = []
for _ in range(3):
payload = base.DocumentFixture.get_minimal_multi_fixture(count=3)
bucket_name = test_utils.rand_name('bucket')
bucket_names.append(bucket_name)
documents = self.create_documents(bucket_name, payload)
revision_id = documents[0]['revision_id']
revision_ids.append(revision_id)
# Between revision 1 and 0, 1 bucket is created.
self._verify_buckets_status(
0, revision_ids[0], {b: 'created' for b in bucket_names[:1]})
# Between revision 2 and 0, 2 buckets are created.
self._verify_buckets_status(
0, revision_ids[1], {b: 'created' for b in bucket_names[:2]})
# Between revision 3 and 0, 3 buckets are created.
self._verify_buckets_status(
0, revision_ids[2], {b: 'created' for b in bucket_names})
def test_revision_diff_self(self):
payload = base.DocumentFixture.get_minimal_multi_fixture(count=3)
bucket_name = test_utils.rand_name('bucket')
documents = self.create_documents(bucket_name, payload)
revision_id = documents[0]['revision_id']
self._verify_buckets_status(
revision_id, revision_id, {bucket_name: 'unmodified'})
def test_revision_diff_multi_bucket_self(self):
bucket_names = []
revision_ids = []
for _ in range(3):
payload = base.DocumentFixture.get_minimal_multi_fixture(count=3)
bucket_name = test_utils.rand_name('bucket')
# Store each bucket that was created.
bucket_names.append(bucket_name)
documents = self.create_documents(bucket_name, payload)
# Store each revision that was created.
revision_id = documents[0]['revision_id']
revision_ids.append(revision_id)
# The last revision should contain history for the previous 2 revisions
# such that its diff history will show history for 3 buckets. Similarly
# the 2nd revision will have history for 2 buckets and the 1st revision
# for 1 bucket.
# 1st revision has revision history for 1 bucket.
self._verify_buckets_status(
revision_ids[0], revision_ids[0], {bucket_names[0]: 'unmodified'})
# 2nd revision has revision history for 2 buckets.
self._verify_buckets_status(
revision_ids[1], revision_ids[1],
{b: 'unmodified' for b in bucket_names[:2]})
# 3rd revision has revision history for 3 buckets.
self._verify_buckets_status(
revision_ids[2], revision_ids[2],
{b: 'unmodified' for b in bucket_names})
def test_revision_diff_modified(self):
payload = base.DocumentFixture.get_minimal_multi_fixture(count=3)
bucket_name = test_utils.rand_name('bucket')
documents = self.create_documents(bucket_name, payload)
revision_id = documents[0]['revision_id']
payload[0]['data'] = {'modified': 'modified'}
comparison_documents = self.create_documents(bucket_name, payload)
comparison_revision_id = comparison_documents[0]['revision_id']
self._verify_buckets_status(
revision_id, comparison_revision_id, {bucket_name: 'modified'})
def test_revision_diff_multi_revision_modified(self):
payload = base.DocumentFixture.get_minimal_multi_fixture(count=3)
bucket_name = test_utils.rand_name('bucket')
revision_ids = []
for _ in range(3):
payload[0]['data'] = {'modified': test_utils.rand_name('modified')}
documents = self.create_documents(bucket_name, payload)
revision_id = documents[0]['revision_id']
revision_ids.append(revision_id)
for pair in [(0, 1), (0, 2), (1, 2)]:
self._verify_buckets_status(
revision_ids[pair[0]], revision_ids[pair[1]],
{bucket_name: 'modified'})
def test_revision_diff_multi_revision_multi_bucket_modified(self):
revision_ids = []
bucket_name = test_utils.rand_name('bucket')
alt_bucket_name = test_utils.rand_name('bucket')
bucket_names = [bucket_name, alt_bucket_name] * 2
# Create revisions by modifying documents in `bucket_name` and
# `alt_bucket_name`.
for bucket_idx in range(4):
payload = base.DocumentFixture.get_minimal_multi_fixture(count=3)
documents = self.create_documents(
bucket_names[bucket_idx], payload)
revision_id = documents[0]['revision_id']
revision_ids.append(revision_id)
# Between revision_ids[0] and [1], bucket_name is unmodified and
# alt_bucket_name is created.
self._verify_buckets_status(
revision_ids[0], revision_ids[1],
{bucket_name: 'unmodified', alt_bucket_name: 'created'})
# Between revision_ids[0] and [2], bucket_name is modified (by 2) and
# alt_bucket_name is created (by 1).
self._verify_buckets_status(
revision_ids[0], revision_ids[2],
{bucket_name: 'modified', alt_bucket_name: 'created'})
# Between revision_ids[0] and [3], bucket_name is modified (by [2]) and
# alt_bucket_name is created (by [1]) (as well as modified by [3]).
self._verify_buckets_status(
revision_ids[0], revision_ids[3],
{bucket_name: 'modified', alt_bucket_name: 'created'})
# Between revision_ids[1] and [2], bucket_name is modified but
# alt_bucket_name remains unmodified.
self._verify_buckets_status(
revision_ids[1], revision_ids[2],
{bucket_name: 'modified', alt_bucket_name: 'unmodified'})
# Between revision_ids[1] and [3], bucket_name is modified (by [2]) and
# alt_bucket_name is modified by [3].
self._verify_buckets_status(
revision_ids[1], revision_ids[3],
{bucket_name: 'modified', alt_bucket_name: 'modified'})
# Between revision_ids[2] and [3], alt_bucket_name is modified but
# bucket_name remains unmodified.
self._verify_buckets_status(
revision_ids[2], revision_ids[3],
{bucket_name: 'unmodified', alt_bucket_name: 'modified'})
def test_revision_diff_ignore_bucket_with_unrelated_documents(self):
payload = base.DocumentFixture.get_minimal_fixture()
alt_payload = base.DocumentFixture.get_minimal_fixture()
bucket_name = test_utils.rand_name('bucket')
alt_bucket_name = test_utils.rand_name('bucket')
# Create a bucket with a single document.
documents = self.create_documents(bucket_name, payload)
revision_id = documents[0]['revision_id']
# Create another bucket with an entirely different document (different
# schema and metadata.name).
self.create_documents(alt_bucket_name, alt_payload)
# Modify the document from the 1st bucket.
payload['data'] = {'modified': 'modified'}
documents = self.create_documents(bucket_name, payload)
comparison_revision_id = documents[0]['revision_id']
# The `alt_bucket_name` should be created.
self._verify_buckets_status(
revision_id, comparison_revision_id,
{bucket_name: 'modified', alt_bucket_name: 'created'})
def test_revision_diff_ignore_bucket_with_all_unrelated_documents(self):
payload = base.DocumentFixture.get_minimal_multi_fixture(count=3)
alt_payload = copy.deepcopy(payload)
bucket_name = test_utils.rand_name('bucket')
alt_bucket_name = test_utils.rand_name('bucket')
# Create a bucket with 3 documents.
documents = self.create_documents(bucket_name, payload)
revision_id = documents[0]['revision_id']
# Modify all 3 documents from first bucket.
for idx in range(3):
alt_payload[idx]['name'] = test_utils.rand_name('name')
alt_payload[idx]['schema'] = test_utils.rand_name('schema')
self.create_documents(
alt_bucket_name, alt_payload)
# Modify the document from the 1st bucket.
payload[0]['data'] = {'modified': 'modified'}
documents = self.create_documents(bucket_name, payload)
comparison_revision_id = documents[0]['revision_id']
# The alt_bucket_name should be created.
self._verify_buckets_status(
revision_id, comparison_revision_id,
{bucket_name: 'modified', alt_bucket_name: 'created'})
def test_revision_diff_deleted(self):
payload = base.DocumentFixture.get_minimal_fixture()
bucket_name = test_utils.rand_name('bucket')
created_documents = self.create_documents(bucket_name, payload)
revision_id = created_documents[0]['revision_id']
# Delete the previously created document.
deleted_documents = self.create_documents(bucket_name, [])
comparison_revision_id = deleted_documents[0]['revision_id']
self._verify_buckets_status(
revision_id, comparison_revision_id, {bucket_name: 'deleted'})
def test_revision_diff_delete_then_recreate(self):
payload = base.DocumentFixture.get_minimal_fixture()
bucket_name = test_utils.rand_name('bucket')
created_documents = self.create_documents(bucket_name, payload)
revision_id_1 = created_documents[0]['revision_id']
# Delete the previously created document.
deleted_documents = self.create_documents(bucket_name, [])
revision_id_2 = deleted_documents[0]['revision_id']
# Recreate the previously deleted document.
recreated_documents = self.create_documents(bucket_name, payload)
revision_id_3 = recreated_documents[0]['revision_id']
# Verify that the revision for recreated document compared to revision
# for deleted document is created, ignoring order.
self._verify_buckets_status(
revision_id_2, revision_id_3, {bucket_name: 'created'})
# Verify that the revision for recreated document compared to revision
# for created document is unmodified, ignoring order.
self._verify_buckets_status(
revision_id_1, revision_id_3, {bucket_name: 'unmodified'})
def test_revision_diff_ignore_mistake_document(self):
payload = base.DocumentFixture.get_minimal_fixture()
bucket_name = test_utils.rand_name('first_bucket')
created_documents = self.create_documents(bucket_name, payload)
revision_id_1 = created_documents[0]['revision_id']
# Create then delete an "accidental" document create request.
alt_payload = base.DocumentFixture.get_minimal_fixture()
alt_bucket_name = test_utils.rand_name('mistake_bucket')
created_documents = self.create_documents(alt_bucket_name, alt_payload)
revision_id_2 = created_documents[0]['revision_id']
deleted_documents = self.create_documents(alt_bucket_name, [])
revision_id_3 = deleted_documents[0]['revision_id']
alt_payload_2 = base.DocumentFixture.get_minimal_fixture()
alt_bucket_name_2 = test_utils.rand_name('second_bucket')
created_documents = self.create_documents(
alt_bucket_name_2, alt_payload_2)
revision_id_4 = created_documents[0]['revision_id']
self._verify_buckets_status(
revision_id_1, revision_id_2, {bucket_name: 'unmodified',
alt_bucket_name: 'created'})
self._verify_buckets_status(
revision_id_2, revision_id_3, {bucket_name: 'unmodified',
alt_bucket_name: 'deleted'})
self._verify_buckets_status(
revision_id_1, revision_id_3, {bucket_name: 'unmodified'})
# Should not contain information about `alt_bucket_name` as it was a
# "mistake": created then deleted between the revisions in question.
self._verify_buckets_status(
revision_id_1, revision_id_4,
{bucket_name: 'unmodified', alt_bucket_name_2: 'created'})
def test_revision_diff_delete_then_rollback(self):
"""Validate that rolling back a revision works with bucket diff."""
payload = base.DocumentFixture.get_minimal_fixture()
bucket_name = test_utils.rand_name('bucket')
created_documents = self.create_documents(bucket_name, payload)
revision_id = created_documents[0]['revision_id']
# Delete all previously created documents.
deleted_documents = self.create_documents(bucket_name, [])
comparison_revision_id = deleted_documents[0]['revision_id']
# Validate that the empty bucket is deleted.
self._verify_buckets_status(
revision_id, comparison_revision_id, {bucket_name: 'deleted'})
# Rollback to first non-empty revision.
rollback_revision_id = self.rollback_revision(revision_id)['id']
# Validate that diffing rolled-back revision against 1 is unmodified.
self._verify_buckets_status(
revision_id, rollback_revision_id, {bucket_name: 'unmodified'})
# Validate that diffing rolled-back revision against 2 is created
# (because the rolled-back revision is newer than revision 2).
self._verify_buckets_status(
comparison_revision_id, rollback_revision_id,
{bucket_name: 'created'})