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encryption_test.py
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# Copyright 2016 Google, Inc.
#
# 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 base64
import tempfile
import encryption
from gcloud import storage
import pytest
TEST_ENCRYPTION_KEY = 'brtJUWneL92g5q0N2gyDSnlPSYAiIVZ/cWgjyZNeMy0='
TEST_ENCRYPTION_KEY_DECODED = base64.b64decode(TEST_ENCRYPTION_KEY)
def test_generate_encryption_key(capsys):
encryption.generate_encryption_key()
out, _ = capsys.readouterr()
encoded_key = out.split(':', 1).pop().strip()
key = base64.b64decode(encoded_key)
assert len(key) == 32, 'Returned key should be 32 bytes'
def test_upload_encrypted_blob(cloud_config):
with tempfile.NamedTemporaryFile() as source_file:
source_file.write(b'test')
encryption.upload_encrypted_blob(
cloud_config.storage_bucket,
source_file.name,
'test_encrypted_upload_blob',
TEST_ENCRYPTION_KEY)
@pytest.fixture
def test_blob(cloud_config):
"""Provides a pre-existing blob in the test bucket."""
bucket = storage.Client().bucket(cloud_config.storage_bucket)
blob = bucket.blob('encryption_test_sigil')
content = 'Hello, is it me you\'re looking for?'
blob.upload_from_string(
content,
encryption_key=TEST_ENCRYPTION_KEY_DECODED)
return blob.name, content
def test_download_blob(test_blob, cloud_config):
test_blob_name, test_blob_content = test_blob
with tempfile.NamedTemporaryFile() as dest_file:
encryption.download_encrypted_blob(
cloud_config.storage_bucket,
test_blob_name,
dest_file.name,
TEST_ENCRYPTION_KEY)
downloaded_content = dest_file.read().decode('utf-8')
assert downloaded_content == test_blob_content