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https://issues.apache.org/jira/browse/BEAM-7246?focusedWorklogId=367170&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-367170
]
ASF GitHub Bot logged work on BEAM-7246:
----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Jan/20 02:19
Start Date: 07/Jan/20 02:19
Worklog Time Spent: 10m
Work Description: chamikaramj commented on pull request #9606:
[BEAM-7246] Add Google Spanner IO Read on Python SDK
URL: https://github.com/apache/beam/pull/9606#discussion_r363567042
##########
File path: sdks/python/apache_beam/io/gcp/experimental/spannerio_test.py
##########
@@ -0,0 +1,271 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+from __future__ import absolute_import
+
+import datetime
+import logging
+import random
+import string
+import unittest
+
+import mock
+
+import apache_beam as beam
+from apache_beam.testing.test_pipeline import TestPipeline
+from apache_beam.testing.util import assert_that
+from apache_beam.testing.util import equal_to
+
+# Protect against environments where spanner library is not available.
+# pylint: disable=wrong-import-order, wrong-import-position, ungrouped-imports
+try:
+ from google.cloud import spanner
+ from apache_beam.io.gcp.experimental.spannerio import (create_transaction,
+ ReadOperation,
+ ReadFromSpanner) #
pylint: disable=unused-import
+ # disable=unused-import
+except ImportError:
+ spanner = None
+# pylint: enable=wrong-import-order, wrong-import-position, ungrouped-imports
+
+
+MAX_DB_NAME_LENGTH = 30
+TEST_PROJECT_ID = 'apache-beam-testing'
+TEST_INSTANCE_ID = 'beam-test'
+TEST_DATABASE_PREFIX = 'spanner-testdb-'
+# TEST_TABLE = 'users'
+# TEST_COLUMNS = ['Key', 'Value']
+FAKE_ROWS = [[1, 'Alice'], [2, 'Bob'], [3, 'Carl'], [4, 'Dan'], [5, 'Evan'],
+ [6, 'Floyd']]
+
+
+def _generate_database_name():
+ mask = string.ascii_lowercase + string.digits
+ length = MAX_DB_NAME_LENGTH - 1 - len(TEST_DATABASE_PREFIX)
+ return TEST_DATABASE_PREFIX + ''.join(random.choice(mask) for i in range(
+ length))
+
+
+def _generate_test_data():
+ mask = string.ascii_lowercase + string.digits
+ length = 100
+ return [('users', ['Key', 'Value'], [(x, ''.join(
+ random.choice(mask) for _ in range(length))) for x in range(1, 5)])]
+
+
+@unittest.skipIf(spanner is None, 'GCP dependencies are not installed.')
+@mock.patch('apache_beam.io.gcp.experimental.spannerio.Client')
+@mock.patch('apache_beam.io.gcp.experimental.spannerio.BatchSnapshot')
+class SpannerReadTest(unittest.TestCase):
+
+ def test_read_with_query_batch(self, mock_batch_snapshot_class,
Review comment:
How about runReadUsingIndex ?
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Issue Time Tracking
-------------------
Worklog Id: (was: 367170)
Time Spent: 10h 40m (was: 10.5h)
> Create a Spanner IO for Python
> ------------------------------
>
> Key: BEAM-7246
> URL: https://issues.apache.org/jira/browse/BEAM-7246
> Project: Beam
> Issue Type: Bug
> Components: io-py-gcp
> Reporter: Reuven Lax
> Assignee: Shehzaad Nakhoda
> Priority: Major
> Time Spent: 10h 40m
> Remaining Estimate: 0h
>
> Add I/O support for Google Cloud Spanner for the Python SDK (Batch Only).
> Testing in this work item will be in the form of DirectRunner tests and
> manual testing.
> Integration and performance tests are a separate work item (not included
> here).
> See https://beam.apache.org/documentation/io/built-in/. The goal is to add
> Google Clound Spanner to the Database column for the Python/Batch row.
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