539 lines
19 KiB
Python
539 lines
19 KiB
Python
# Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"). You
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# may not use this file except in compliance with the License. A copy of
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# the License is located at
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#
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# https://aws.amazon.com/apache2.0/
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#
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# or in the "license" file accompanying this file. This file is
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# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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# ANY KIND, either express or implied. See the License for the specific
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# language governing permissions and limitations under the License.
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import pytest
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from tests import unittest
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import botocore
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import botocore.stub
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from botocore.config import Config
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from botocore.stub import Stubber
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from botocore.compat import six
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import boto3.session
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from boto3.s3.transfer import TransferConfig
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class TestS3MethodInjection(unittest.TestCase):
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def test_transfer_methods_injected_to_client(self):
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session = boto3.session.Session(region_name='us-west-2')
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client = session.client('s3')
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assert hasattr(client, 'upload_file')
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assert hasattr(client, 'download_file')
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assert hasattr(client, 'copy')
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def test_bucket_resource_has_load_method(self):
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session = boto3.session.Session(region_name='us-west-2')
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bucket = session.resource('s3').Bucket('fakebucket')
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assert hasattr(bucket, 'load')
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def test_transfer_methods_injected_to_bucket(self):
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bucket = boto3.resource('s3').Bucket('my_bucket')
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assert hasattr(bucket, 'upload_file')
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assert hasattr(bucket, 'download_file')
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assert hasattr(bucket, 'copy')
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def test_transfer_methods_injected_to_object(self):
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obj = boto3.resource('s3').Object('my_bucket', 'my_key')
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assert hasattr(obj, 'upload_file')
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assert hasattr(obj, 'download_file')
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assert hasattr(obj, 'copy')
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class BaseTransferTest(unittest.TestCase):
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def setUp(self):
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self.session = boto3.session.Session(
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aws_access_key_id='foo', aws_secret_access_key='bar',
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region_name='us-west-2')
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self.s3 = self.session.resource('s3')
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self.stubber = Stubber(self.s3.meta.client)
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self.bucket = 'mybucket'
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self.key = 'mykey'
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self.upload_id = 'uploadid'
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self.etag = '"example0etag"'
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self.progress = 0
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self.progress_times_called = 0
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def stub_head(self, content_length=4, expected_params=None):
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head_response = {
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'AcceptRanges': 'bytes',
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'ContentLength': content_length,
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'ContentType': 'binary/octet-stream',
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'ETag': self.etag,
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'Metadata': {},
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'ResponseMetadata': {
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'HTTPStatusCode': 200,
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}
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}
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if expected_params is None:
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expected_params = {
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'Bucket': self.bucket,
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'Key': self.key
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}
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self.stubber.add_response(
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method='head_object', service_response=head_response,
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expected_params=expected_params)
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def stub_create_multipart_upload(self):
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# Add the response and assert params for CreateMultipartUpload
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create_upload_response = {
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"Bucket": self.bucket,
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"Key": self.key,
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"UploadId": self.upload_id
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}
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expected_params = {
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"Bucket": self.bucket,
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"Key": self.key,
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}
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self.stubber.add_response(
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method='create_multipart_upload',
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service_response=create_upload_response,
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expected_params=expected_params)
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def stub_complete_multipart_upload(self, parts):
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complete_upload_response = {
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"Location": "us-west-2",
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"Bucket": self.bucket,
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"Key": self.key,
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"ETag": self.etag
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}
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expected_params = {
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"Bucket": self.bucket,
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"Key": self.key,
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"MultipartUpload": {
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"Parts": parts
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},
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"UploadId": self.upload_id
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}
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self.stubber.add_response(
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method='complete_multipart_upload',
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service_response=complete_upload_response,
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expected_params=expected_params)
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class TestCopy(BaseTransferTest):
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def setUp(self):
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super(TestCopy, self).setUp()
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self.copy_source = {'Bucket': 'foo', 'Key': 'bar'}
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def stub_single_part_copy(self):
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self.stub_head(expected_params=self.copy_source)
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self.stub_copy_object()
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def stub_multipart_copy(self, part_size, num_parts):
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# Set the HEAD to return the total size
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total_size = part_size * num_parts
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self.stub_head(
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content_length=total_size, expected_params=self.copy_source)
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self.stub_create_multipart_upload()
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# Add the responses for each UploadPartCopy
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parts = []
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for i in range(num_parts):
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# Fill in the parts
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part_number = i + 1
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copy_range = "bytes=%s-%s" % (
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i * part_size,
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i * part_size + (part_size - 1)
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)
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self.stub_copy_part(part_number=part_number, copy_range=copy_range)
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parts.append({'ETag': self.etag, 'PartNumber': part_number})
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self.stub_complete_multipart_upload(parts)
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def stub_copy_object(self):
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copy_response = {
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'CopyObjectResult': {
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'ETag': self.etag
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},
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'ResponseMetadata': {
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'HTTPStatusCode': 200
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}
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}
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expected_params = {
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"Bucket": self.bucket,
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"Key": self.key,
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"CopySource": self.copy_source
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}
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self.stubber.add_response(
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method='copy_object', service_response=copy_response,
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expected_params=expected_params)
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def stub_copy_part(self, part_number, copy_range):
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copy_part_response = {
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"CopyPartResult": {
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"ETag": self.etag
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},
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'ResponseMetadata': {
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'HTTPStatusCode': 200
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}
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}
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expected_params = {
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"Bucket": self.bucket,
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"Key": self.key,
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"CopySource": self.copy_source,
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"UploadId": self.upload_id,
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"PartNumber": part_number,
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"CopySourceRange": copy_range
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}
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self.stubber.add_response(
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method='upload_part_copy', service_response=copy_part_response,
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expected_params=expected_params)
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def test_client_copy(self):
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self.stub_single_part_copy()
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with self.stubber:
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response = self.s3.meta.client.copy(
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self.copy_source, self.bucket, self.key)
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# The response will be none on a successful transfer.
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assert response is None
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def test_bucket_copy(self):
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self.stub_single_part_copy()
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bucket = self.s3.Bucket(self.bucket)
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with self.stubber:
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response = bucket.copy(self.copy_source, self.key)
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# The response will be none on a successful transfer.
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assert response is None
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def test_object_copy(self):
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self.stub_single_part_copy()
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obj = self.s3.Object(self.bucket, self.key)
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with self.stubber:
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response = obj.copy(self.copy_source)
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assert response is None
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def test_copy_progress(self):
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chunksize = 8 * (1024 ** 2)
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self.stub_multipart_copy(chunksize, 3)
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transfer_config = TransferConfig(
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multipart_chunksize=chunksize, multipart_threshold=1,
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max_concurrency=1)
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def progress_callback(amount):
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self.progress += amount
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self.progress_times_called += 1
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with self.stubber:
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self.s3.meta.client.copy(
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Bucket=self.bucket, Key=self.key, CopySource=self.copy_source,
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Config=transfer_config, Callback=progress_callback)
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# Assert that the progress callback was called the correct number of
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# times with the correct amounts.
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assert self.progress_times_called == 3
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assert self.progress == chunksize * 3
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class TestUploadFileobj(BaseTransferTest):
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def setUp(self):
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super(TestUploadFileobj, self).setUp()
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self.contents = six.BytesIO(b'foo\n')
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def stub_put_object(self):
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put_object_response = {
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"ETag": self.etag,
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"ResponseMetadata": {
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"HTTPStatusCode": 200
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}
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}
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expected_params = {
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"Bucket": self.bucket,
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"Key": self.key,
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"Body": botocore.stub.ANY
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}
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self.stubber.add_response(
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method='put_object', service_response=put_object_response,
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expected_params=expected_params)
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def stub_upload_part(self, part_number):
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upload_part_response = {
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'ETag': self.etag,
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'ResponseMetadata': {
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'HTTPStatusCode': 200
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}
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}
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expected_params = {
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"Bucket": self.bucket,
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"Key": self.key,
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"Body": botocore.stub.ANY,
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"PartNumber": part_number,
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"UploadId": self.upload_id
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}
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self.stubber.add_response(
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method='upload_part', service_response=upload_part_response,
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expected_params=expected_params)
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def stub_multipart_upload(self, num_parts):
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self.stub_create_multipart_upload()
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# Add the responses for each UploadPartCopy
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parts = []
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for i in range(num_parts):
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# Fill in the parts
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part_number = i + 1
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self.stub_upload_part(part_number=part_number)
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parts.append({'ETag': self.etag, 'PartNumber': part_number})
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self.stub_complete_multipart_upload(parts)
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def test_client_upload(self):
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self.stub_put_object()
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with self.stubber:
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# The stubber will assert that all the right parameters are called.
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self.s3.meta.client.upload_fileobj(
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Fileobj=self.contents, Bucket=self.bucket, Key=self.key)
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self.stubber.assert_no_pending_responses()
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def test_raises_value_error_on_invalid_fileobj(self):
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with self.stubber:
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with pytest.raises(ValueError):
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self.s3.meta.client.upload_fileobj(
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Fileobj='foo', Bucket=self.bucket, Key=self.key)
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def test_bucket_upload(self):
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self.stub_put_object()
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bucket = self.s3.Bucket(self.bucket)
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with self.stubber:
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# The stubber will assert that all the right parameters are called.
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bucket.upload_fileobj(Fileobj=self.contents, Key=self.key)
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self.stubber.assert_no_pending_responses()
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def test_object_upload(self):
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self.stub_put_object()
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obj = self.s3.Object(self.bucket, self.key)
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with self.stubber:
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# The stubber will assert that all the right parameters are called.
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obj.upload_fileobj(Fileobj=self.contents)
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self.stubber.assert_no_pending_responses()
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def test_multipart_upload(self):
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chunksize = 8 * (1024 ** 2)
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contents = six.BytesIO(b'0' * (chunksize * 3))
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self.stub_multipart_upload(num_parts=3)
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transfer_config = TransferConfig(
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multipart_chunksize=chunksize, multipart_threshold=1,
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max_concurrency=1)
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with self.stubber:
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# The stubber will assert that all the right parameters are called.
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self.s3.meta.client.upload_fileobj(
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Fileobj=contents, Bucket=self.bucket, Key=self.key,
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Config=transfer_config)
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self.stubber.assert_no_pending_responses()
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class TestDownloadFileobj(BaseTransferTest):
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def setUp(self):
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super(TestDownloadFileobj, self).setUp()
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self.contents = b'foo'
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self.fileobj = six.BytesIO()
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def stub_single_part_download(self):
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self.stub_head(content_length=len(self.contents))
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self.stub_get_object(self.contents)
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def stub_get_object(self, full_contents, start_byte=0, end_byte=None):
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"""
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Stubs out the get_object operation.
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:param full_contents: The FULL contents of the object
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:param start_byte: The first byte to grab.
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:param end_byte: The last byte to grab.
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"""
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get_object_response = {}
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expected_params = {}
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contents = full_contents
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end_byte_range = end_byte
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# If the start byte is set and the end byte is not, the end byte is
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# the last byte.
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if start_byte != 0 and end_byte is None:
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end_byte = len(full_contents) - 1
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# The range on get object where the the end byte is the last byte
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# should set the input range as e.g. Range='bytes=3-'
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if end_byte == len(full_contents) - 1:
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end_byte_range = ''
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# If this is a ranged get, ContentRange needs to be returned,
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# contents needs to be pruned, and Range needs to be an expected param.
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if end_byte is not None:
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contents = full_contents[start_byte:end_byte + 1]
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part_range = 'bytes=%s-%s' % (start_byte, end_byte_range)
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content_range = 'bytes=%s-%s/%s' % (
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start_byte, end_byte, len(full_contents))
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get_object_response['ContentRange'] = content_range
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expected_params['Range'] = part_range
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get_object_response.update({
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"AcceptRanges": "bytes",
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"ETag": self.etag,
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"ContentLength": len(contents),
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"ContentType": "binary/octet-stream",
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"Body": six.BytesIO(contents),
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"ResponseMetadata": {
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"HTTPStatusCode": 200
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}
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})
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expected_params.update({
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"Bucket": self.bucket,
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"Key": self.key
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})
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self.stubber.add_response(
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method='get_object', service_response=get_object_response,
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expected_params=expected_params)
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def stub_multipart_download(self, contents, part_size, num_parts):
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self.stub_head(content_length=len(contents))
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for i in range(num_parts):
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start_byte = i * part_size
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end_byte = (i + 1) * part_size - 1
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self.stub_get_object(
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full_contents=contents, start_byte=start_byte,
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end_byte=end_byte)
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def test_client_download(self):
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self.stub_single_part_download()
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with self.stubber:
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self.s3.meta.client.download_fileobj(
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Bucket=self.bucket, Key=self.key, Fileobj=self.fileobj)
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assert self.fileobj.getvalue() == self.contents
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self.stubber.assert_no_pending_responses()
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def test_raises_value_error_on_invalid_fileobj(self):
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with self.stubber:
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with pytest.raises(ValueError):
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self.s3.meta.client.download_fileobj(
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Bucket=self.bucket, Key=self.key, Fileobj='foo')
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def test_bucket_download(self):
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self.stub_single_part_download()
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bucket = self.s3.Bucket(self.bucket)
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with self.stubber:
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bucket.download_fileobj(Key=self.key, Fileobj=self.fileobj)
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assert self.fileobj.getvalue() == self.contents
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self.stubber.assert_no_pending_responses()
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def test_object_download(self):
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self.stub_single_part_download()
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obj = self.s3.Object(self.bucket, self.key)
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with self.stubber:
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obj.download_fileobj(Fileobj=self.fileobj)
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assert self.fileobj.getvalue() == self.contents
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self.stubber.assert_no_pending_responses()
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def test_multipart_download(self):
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self.contents = b'A' * 55
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self.stub_multipart_download(
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contents=self.contents, part_size=5, num_parts=11)
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transfer_config = TransferConfig(
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multipart_chunksize=5, multipart_threshold=1,
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max_concurrency=1)
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with self.stubber:
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self.s3.meta.client.download_fileobj(
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Bucket=self.bucket, Key=self.key, Fileobj=self.fileobj,
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Config=transfer_config)
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assert self.fileobj.getvalue() == self.contents
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self.stubber.assert_no_pending_responses()
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def test_download_progress(self):
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self.contents = b'A' * 55
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self.stub_multipart_download(
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contents=self.contents, part_size=5, num_parts=11)
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transfer_config = TransferConfig(
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multipart_chunksize=5, multipart_threshold=1,
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max_concurrency=1)
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def progress_callback(amount):
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self.progress += amount
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self.progress_times_called += 1
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with self.stubber:
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self.s3.meta.client.download_fileobj(
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Bucket=self.bucket, Key=self.key, Fileobj=self.fileobj,
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Config=transfer_config, Callback=progress_callback)
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# Assert that the progress callback was called the correct number of
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# times with the correct amounts.
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assert self.progress_times_called == 11
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assert self.progress == 55
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self.stubber.assert_no_pending_responses()
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class TestS3ObjectSummary(unittest.TestCase):
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def setUp(self):
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self.session = boto3.session.Session(
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aws_access_key_id='foo', aws_secret_access_key='bar',
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region_name='us-west-2')
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self.s3 = self.session.resource('s3')
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self.obj_summary = self.s3.ObjectSummary('my_bucket', 'my_key')
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self.obj_summary_size = 12
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self.stubber = Stubber(self.s3.meta.client)
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self.stubber.activate()
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self.stubber.add_response(
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method='head_object',
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service_response={
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'ContentLength': self.obj_summary_size, 'ETag': 'my-etag',
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'ContentType': 'binary'
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},
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expected_params={
|
|
'Bucket': 'my_bucket',
|
|
'Key': 'my_key'
|
|
}
|
|
)
|
|
|
|
def tearDown(self):
|
|
self.stubber.deactivate()
|
|
|
|
def test_has_load(self):
|
|
# Validate load was injected onto ObjectSummary.
|
|
assert hasattr(self.obj_summary, 'load')
|
|
|
|
def test_autoloads_correctly(self):
|
|
# In HeadObject the parameter returned is ContentLength, this
|
|
# should get mapped to Size of ListObject since the resource uses
|
|
# the shape returned to by ListObjects.
|
|
assert self.obj_summary.size == self.obj_summary_size
|
|
|
|
def test_cannot_access_other_non_related_parameters(self):
|
|
# Even though an HeadObject was used to load this, it should
|
|
# only expose the attributes from its shape defined in ListObjects.
|
|
assert not hasattr(self.obj_summary, 'content_length')
|
|
|
|
|
|
class TestServiceResource(unittest.TestCase):
|
|
def setUp(self):
|
|
self.session = boto3.session.Session()
|
|
|
|
def test_unsigned_signature_version_is_not_corrupted(self):
|
|
config = Config(signature_version=botocore.UNSIGNED)
|
|
resource = self.session.resource('s3', config=config)
|
|
sig_version = resource.meta.client.meta.config.signature_version
|
|
assert sig_version is botocore.UNSIGNED
|