def test_put_block_from_url_and_validate_content_md5(self):
# Arrange
dest_blob_name = self.get_resource_name('destblob')
dest_blob = self.bsc.get_blob_client(self.container_name,
dest_blob_name)
src_md5 = StorageContentValidation.get_content_md5(
self.source_blob_data)
# Act part 1: put block from url with md5 validation
dest_blob.stage_block_from_url(block_id=1,
source_url=self.source_blob_url,
source_content_md5=src_md5,
source_offset=0,
source_length=8 * 1024)
# Assert block was staged
committed, uncommitted = dest_blob.get_block_list('all')
self.assertEqual(len(uncommitted), 1)
self.assertEqual(len(committed), 0)
# Act part 2: put block from url with wrong md5
fake_md5 = StorageContentValidation.get_content_md5(b"POTATO")
with self.assertRaises(HttpResponseError) as error:
dest_blob.stage_block_from_url(block_id=2,
source_url=self.source_blob_url,
source_content_md5=fake_md5,
source_offset=0,
source_length=8 * 1024)
self.assertEqual(error.exception.error_code,
StorageErrorCode.md5_mismatch)
# Assert block was not staged
committed, uncommitted = dest_blob.get_block_list('all')
self.assertEqual(len(uncommitted), 1)
self.assertEqual(len(committed), 0)
def test_append_block_from_url_and_validate_content_md5(self):
# Arrange
source_blob_data = self.get_random_bytes(LARGE_BLOB_SIZE)
source_blob_client = self._create_source_blob(source_blob_data)
src_md5 = StorageContentValidation.get_content_md5(source_blob_data)
sas = source_blob_client.generate_shared_access_signature(
permission=BlobPermissions.READ + BlobPermissions.DELETE,
expiry=datetime.utcnow() + timedelta(hours=1),
)
destination_blob_client = self._create_blob()
# Act part 1: make append block from url calls with correct md5
resp = destination_blob_client.append_block_from_url(
source_blob_client.url + '?' + sas, source_content_md5=src_md5)
self.assertEqual(resp.get('blob_append_offset'), '0')
self.assertEqual(resp.get('blob_committed_block_count'), 1)
self.assertIsNotNone(resp.get('etag'))
self.assertIsNotNone(resp.get('last_modified'))
# Assert the destination blob is constructed correctly
destination_blob_properties = destination_blob_client.get_blob_properties(
)
self.assertBlobEqual(destination_blob_client, source_blob_data)
self.assertEqual(destination_blob_properties.get('etag'),
resp.get('etag'))
self.assertEqual(destination_blob_properties.get('last_modified'),
resp.get('last_modified'))
# Act part 2: put block from url with wrong md5
with self.assertRaises(HttpResponseError):
destination_blob_client.append_block_from_url(
source_blob_client.url + '?' + sas,
source_content_md5=StorageContentValidation.get_content_md5(
b"POTATO"))