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# coding: utf-8
# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
import os
import unittest
from azure.storage.blob import (
BlockBlobService,
ContentSettings,
)
if os.sys.version_info >= (3,):
from io import BytesIO
else:
from cStringIO import StringIO as BytesIO
from tests.testcase import (
StorageTestCase,
TestMode,
record,
)
# ------------------------------------------------------------------------------
TEST_BLOB_PREFIX = 'largeblob'
FILE_PATH = 'blob_large_input.temp.dat'
LARGE_BLOB_SIZE = 12 * 1024 * 1024
LARGE_BLOCK_SIZE = 6 * 1024 * 1024
# ------------------------------------------------------------------------------
class StorageLargeBlockBlobTest(StorageTestCase):
def setUp(self):
super(StorageLargeBlockBlobTest, self).setUp()
self.bs = self._create_storage_service(BlockBlobService, self.settings)
self.container_name = self.get_resource_name('utcontainer')
if not self.is_playback():
self.bs.create_container(self.container_name)
# test chunking functionality by reducing the threshold
# for chunking and the size of each chunk, otherwise
# the tests would take too long to execute
self.bs.MAX_BLOCK_SIZE = 2 * 1024 * 1024
self.bs.MIN_LARGE_BLOCK_UPLOAD_THRESHOLD = 1 * 1024 * 1024
self.bs.MAX_SINGLE_PUT_SIZE = 32 * 1024
def tearDown(self):
if not self.is_playback():
try:
self.bs.delete_container(self.container_name)
except:
pass
if os.path.isfile(FILE_PATH):
try:
os.remove(FILE_PATH)
except:
pass
return super(StorageLargeBlockBlobTest, self).tearDown()
# --Helpers-----------------------------------------------------------------
def _get_blob_reference(self):
return self.get_resource_name(TEST_BLOB_PREFIX)
def _create_blob(self):
blob_name = self._get_blob_reference()
self.bs.create_blob_from_bytes(self.container_name, blob_name, b'')
return blob_name
def assertBlobEqual(self, container_name, blob_name, expected_data):
actual_data = self.bs.get_blob_to_bytes(container_name, blob_name)
self.assertEqual(actual_data.content, expected_data)
# --Test cases for block blobs --------------------------------------------
def test_put_block_bytes_large(self):
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._create_blob()
# Act
for i in range(5):
resp = self.bs.put_block(self.container_name,
blob_name,
os.urandom(LARGE_BLOCK_SIZE),
'block {0}'.format(i).encode('utf-8'),)
self.assertIsNone(resp)
# Assert
def test_put_block_bytes_large_with_md5(self):
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._create_blob()
# Act
for i in range(5):
resp = self.bs.put_block(self.container_name,
blob_name,
os.urandom(LARGE_BLOCK_SIZE),
'block {0}'.format(i).encode('utf-8'),
validate_content=True)
self.assertIsNone(resp)
def test_put_block_stream_large(self):
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._create_blob()
# Act
for i in range(5):
stream = BytesIO(bytearray(LARGE_BLOCK_SIZE))
resp = self.bs.put_block(self.container_name,
blob_name,
stream,
'block {0}'.format(i).encode('utf-8'),)
self.assertIsNone(resp)
# Assert
def test_put_block_stream_large_with_md5(self):
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._create_blob()
# Act
for i in range(5):
stream = BytesIO(bytearray(LARGE_BLOCK_SIZE))
resp = self.bs.put_block(self.container_name,
blob_name,
stream,
'block {0}'.format(i).encode('utf-8'),
validate_content=True)
self.assertIsNone(resp)
# Assert
def test_create_large_blob_from_path(self):
# parallel tests introduce random order of requests, can only run live
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(os.urandom(LARGE_BLOB_SIZE))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
self.bs.create_blob_from_path(self.container_name, blob_name, FILE_PATH)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data)
def test_create_large_blob_from_path_with_md5(self):
# parallel tests introduce random order of requests, can only run live
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(os.urandom(LARGE_BLOB_SIZE))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
self.bs.create_blob_from_path(self.container_name, blob_name, FILE_PATH, validate_content=True)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data)
def test_create_large_blob_from_path_non_parallel(self):
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(self.get_random_bytes(100))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
self.bs.create_blob_from_path(self.container_name, blob_name, FILE_PATH, max_connections=1)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data)
def test_create_large_blob_from_path_with_progress(self):
# parallel tests introduce random order of requests, can only run live
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(os.urandom(LARGE_BLOB_SIZE))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
progress = []
def callback(current, total):
progress.append((current, total))
self.bs.create_blob_from_path(self.container_name, blob_name, FILE_PATH,
progress_callback=callback)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data)
self.assert_upload_progress(len(data), self.bs.MAX_BLOCK_SIZE, progress)
def test_create_large_blob_from_path_with_properties(self):
# parallel tests introduce random order of requests, can only run live
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(os.urandom(LARGE_BLOB_SIZE))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
content_settings = ContentSettings(
content_type='image/png',
content_language='spanish')
self.bs.create_blob_from_path(self.container_name, blob_name, FILE_PATH, content_settings=content_settings)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data)
properties = self.bs.get_blob_properties(self.container_name, blob_name).properties
self.assertEqual(properties.content_settings.content_type, content_settings.content_type)
self.assertEqual(properties.content_settings.content_language, content_settings.content_language)
def test_create_large_blob_from_stream_chunked_upload(self):
# parallel tests introduce random order of requests, can only run live
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(os.urandom(LARGE_BLOB_SIZE))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
with open(FILE_PATH, 'rb') as stream:
self.bs.create_blob_from_stream(self.container_name, blob_name, stream)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data)
def test_create_large_blob_from_stream_with_progress_chunked_upload(self):
# parallel tests introduce random order of requests, can only run live
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(os.urandom(LARGE_BLOB_SIZE))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
progress = []
def callback(current, total):
progress.append((current, total))
with open(FILE_PATH, 'rb') as stream:
self.bs.create_blob_from_stream(self.container_name, blob_name, stream, progress_callback=callback)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data)
self.assert_upload_progress(len(data), self.bs.MAX_BLOCK_SIZE, progress, unknown_size=True)
def test_create_large_blob_from_stream_chunked_upload_with_count(self):
# parallel tests introduce random order of requests, can only run live
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(os.urandom(LARGE_BLOB_SIZE))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
blob_size = len(data) - 301
with open(FILE_PATH, 'rb') as stream:
resp = self.bs.create_blob_from_stream(self.container_name, blob_name, stream, blob_size)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data[:blob_size])
def test_create_large_blob_from_stream_chunked_upload_with_count_and_properties(self):
# parallel tests introduce random order of requests, can only run live
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(os.urandom(LARGE_BLOB_SIZE))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
content_settings = ContentSettings(
content_type='image/png',
content_language='spanish')
blob_size = len(data) - 301
with open(FILE_PATH, 'rb') as stream:
self.bs.create_blob_from_stream(self.container_name, blob_name, stream,
blob_size, content_settings=content_settings)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data[:blob_size])
properties = self.bs.get_blob_properties(self.container_name, blob_name).properties
self.assertEqual(properties.content_settings.content_type, content_settings.content_type)
self.assertEqual(properties.content_settings.content_language, content_settings.content_language)
def test_create_large_blob_from_stream_chunked_upload_with_properties(self):
# parallel tests introduce random order of requests, can only run live
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
blob_name = self._get_blob_reference()
data = bytearray(os.urandom(LARGE_BLOB_SIZE))
with open(FILE_PATH, 'wb') as stream:
stream.write(data)
# Act
content_settings = ContentSettings(
content_type='image/png',
content_language='spanish')
with open(FILE_PATH, 'rb') as stream:
self.bs.create_blob_from_stream(self.container_name, blob_name, stream,
content_settings=content_settings)
# Assert
self.assertBlobEqual(self.container_name, blob_name, data)
properties = self.bs.get_blob_properties(self.container_name, blob_name).properties
self.assertEqual(properties.content_settings.content_type, content_settings.content_type)
self.assertEqual(properties.content_settings.content_language, content_settings.content_language)
# ------------------------------------------------------------------------------
if __name__ == '__main__':
unittest.main()
|
