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test_system.py
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test_system.py
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# Copyright 2014 Google LLC
#
# 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 datetime
import gzip
import hashlib
import io
import os
import re
import tempfile
import time
import unittest
import requests
import six
from google.cloud import exceptions
from google.cloud import iam_credentials_v1
from google.cloud import storage
from google.cloud.storage._helpers import _base64_md5hash
from google.cloud.storage.bucket import LifecycleRuleDelete
from google.cloud.storage.bucket import LifecycleRuleSetStorageClass
from google.cloud import kms
import google.oauth2
from test_utils.retry import RetryErrors
from test_utils.system import unique_resource_id
from test_utils.vpcsc_config import vpcsc_config
USER_PROJECT = os.environ.get("GOOGLE_CLOUD_TESTS_USER_PROJECT")
DIRNAME = os.path.realpath(os.path.dirname(__file__))
DATA_DIRNAME = os.path.abspath(os.path.join(DIRNAME, "..", "data"))
def _bad_copy(bad_request):
"""Predicate: pass only exceptions for a failed copyTo."""
err_msg = bad_request.message
return err_msg.startswith("No file found in request. (POST") and "copyTo" in err_msg
retry_429 = RetryErrors(exceptions.TooManyRequests, max_tries=6)
retry_429_harder = RetryErrors(exceptions.TooManyRequests, max_tries=10)
retry_429_503 = RetryErrors(
[exceptions.TooManyRequests, exceptions.ServiceUnavailable], max_tries=6
)
retry_bad_copy = RetryErrors(exceptions.BadRequest, error_predicate=_bad_copy)
def _empty_bucket(bucket):
"""Empty a bucket of all existing blobs (including multiple versions)."""
for blob in list(bucket.list_blobs(versions=True)):
try:
blob.delete()
except exceptions.NotFound:
pass
class Config(object):
"""Run-time configuration to be modified at set-up.
This is a mutable stand-in to allow test set-up to modify
global state.
"""
CLIENT = None
TEST_BUCKET = None
def setUpModule():
Config.CLIENT = storage.Client()
bucket_name = "new" + unique_resource_id()
# In the **very** rare case the bucket name is reserved, this
# fails with a ConnectionError.
Config.TEST_BUCKET = Config.CLIENT.bucket(bucket_name)
Config.TEST_BUCKET.versioning_enabled = True
retry_429_503(Config.TEST_BUCKET.create)()
def tearDownModule():
errors = (exceptions.Conflict, exceptions.TooManyRequests)
retry = RetryErrors(errors, max_tries=15)
retry(_empty_bucket)(Config.TEST_BUCKET)
retry(Config.TEST_BUCKET.delete)(force=True)
class TestClient(unittest.TestCase):
def setUp(self):
self.case_hmac_keys_to_delete = []
def tearDown(self):
from google.cloud.storage.hmac_key import HMACKeyMetadata
for hmac_key in self.case_hmac_keys_to_delete:
if hmac_key.state == HMACKeyMetadata.ACTIVE_STATE:
hmac_key.state = HMACKeyMetadata.INACTIVE_STATE
hmac_key.update()
if hmac_key.state == HMACKeyMetadata.INACTIVE_STATE:
retry_429_harder(hmac_key.delete)()
def test_get_service_account_email(self):
domain = "gs-project-accounts.iam.gserviceaccount.com"
email = Config.CLIENT.get_service_account_email()
new_style = re.compile(r"service-(?P<projnum>[^@]+)@" + domain)
old_style = re.compile(r"{}@{}".format(Config.CLIENT.project, domain))
patterns = [new_style, old_style]
matches = [pattern.match(email) for pattern in patterns]
self.assertTrue(any(match for match in matches if match is not None))
def test_hmac_key_crud(self):
from google.cloud.storage.hmac_key import HMACKeyMetadata
credentials = Config.CLIENT._credentials
email = credentials.service_account_email
before_keys = set(Config.CLIENT.list_hmac_keys())
metadata, secret = Config.CLIENT.create_hmac_key(email)
self.case_hmac_keys_to_delete.append(metadata)
self.assertIsInstance(secret, six.text_type)
self.assertEqual(len(secret), 40)
after_keys = set(Config.CLIENT.list_hmac_keys())
self.assertFalse(metadata in before_keys)
self.assertTrue(metadata in after_keys)
another = HMACKeyMetadata(Config.CLIENT)
another._properties["accessId"] = "nonesuch"
self.assertFalse(another.exists())
another._properties["accessId"] = metadata.access_id
self.assertTrue(another.exists())
another.reload()
self.assertEqual(another._properties, metadata._properties)
metadata.state = HMACKeyMetadata.INACTIVE_STATE
metadata.update()
metadata.delete()
self.case_hmac_keys_to_delete.remove(metadata)
class TestStorageBuckets(unittest.TestCase):
def setUp(self):
self.case_buckets_to_delete = []
def tearDown(self):
for bucket_name in self.case_buckets_to_delete:
bucket = Config.CLIENT.bucket(bucket_name)
retry_429_harder(bucket.delete)()
def test_create_bucket(self):
new_bucket_name = "a-new-bucket" + unique_resource_id("-")
self.assertRaises(
exceptions.NotFound, Config.CLIENT.get_bucket, new_bucket_name
)
created = retry_429_503(Config.CLIENT.create_bucket)(new_bucket_name)
self.case_buckets_to_delete.append(new_bucket_name)
self.assertEqual(created.name, new_bucket_name)
def test_bucket_create_w_alt_storage_class(self):
from google.cloud.storage import constants
new_bucket_name = "bucket-w-archive" + unique_resource_id("-")
self.assertRaises(
exceptions.NotFound, Config.CLIENT.get_bucket, new_bucket_name
)
bucket = Config.CLIENT.bucket(new_bucket_name)
bucket.storage_class = constants.ARCHIVE_STORAGE_CLASS
retry_429_503(bucket.create)()
self.case_buckets_to_delete.append(new_bucket_name)
created = Config.CLIENT.get_bucket(new_bucket_name)
self.assertEqual(created.storage_class, constants.ARCHIVE_STORAGE_CLASS)
def test_lifecycle_rules(self):
from google.cloud.storage import constants
new_bucket_name = "w-lifcycle-rules" + unique_resource_id("-")
self.assertRaises(
exceptions.NotFound, Config.CLIENT.get_bucket, new_bucket_name
)
bucket = Config.CLIENT.bucket(new_bucket_name)
bucket.add_lifecycle_delete_rule(age=42)
bucket.add_lifecycle_set_storage_class_rule(
constants.COLDLINE_STORAGE_CLASS,
is_live=False,
matches_storage_class=[constants.NEARLINE_STORAGE_CLASS],
)
expected_rules = [
LifecycleRuleDelete(age=42),
LifecycleRuleSetStorageClass(
constants.COLDLINE_STORAGE_CLASS,
is_live=False,
matches_storage_class=[constants.NEARLINE_STORAGE_CLASS],
),
]
retry_429_503(bucket.create)(location="us")
self.case_buckets_to_delete.append(new_bucket_name)
self.assertEqual(bucket.name, new_bucket_name)
self.assertEqual(list(bucket.lifecycle_rules), expected_rules)
bucket.clear_lifecyle_rules()
bucket.patch()
self.assertEqual(list(bucket.lifecycle_rules), [])
def test_list_buckets(self):
buckets_to_create = [
"new" + unique_resource_id(),
"newer" + unique_resource_id(),
"newest" + unique_resource_id(),
]
created_buckets = []
for bucket_name in buckets_to_create:
bucket = Config.CLIENT.bucket(bucket_name)
retry_429_503(bucket.create)()
self.case_buckets_to_delete.append(bucket_name)
# Retrieve the buckets.
all_buckets = Config.CLIENT.list_buckets()
created_buckets = [
bucket for bucket in all_buckets if bucket.name in buckets_to_create
]
self.assertEqual(len(created_buckets), len(buckets_to_create))
def test_bucket_update_labels(self):
bucket_name = "update-labels" + unique_resource_id("-")
bucket = retry_429_503(Config.CLIENT.create_bucket)(bucket_name)
self.case_buckets_to_delete.append(bucket_name)
self.assertTrue(bucket.exists())
updated_labels = {"test-label": "label-value"}
bucket.labels = updated_labels
bucket.update()
self.assertEqual(bucket.labels, updated_labels)
new_labels = {"another-label": "another-value"}
bucket.labels = new_labels
bucket.patch()
self.assertEqual(bucket.labels, new_labels)
bucket.labels = {}
bucket.update()
self.assertEqual(bucket.labels, {})
def test_get_set_iam_policy(self):
import pytest
from google.cloud.storage.iam import STORAGE_OBJECT_VIEWER_ROLE
from google.api_core.exceptions import BadRequest, PreconditionFailed
bucket_name = "iam-policy" + unique_resource_id("-")
bucket = retry_429_503(Config.CLIENT.create_bucket)(bucket_name)
self.case_buckets_to_delete.append(bucket_name)
self.assertTrue(bucket.exists())
policy_no_version = bucket.get_iam_policy()
self.assertEqual(policy_no_version.version, 1)
policy = bucket.get_iam_policy(requested_policy_version=3)
self.assertEqual(policy, policy_no_version)
member = "serviceAccount:{}".format(Config.CLIENT.get_service_account_email())
BINDING_W_CONDITION = {
"role": STORAGE_OBJECT_VIEWER_ROLE,
"members": {member},
"condition": {
"title": "always-true",
"description": "test condition always-true",
"expression": "true",
},
}
policy.bindings.append(BINDING_W_CONDITION)
with pytest.raises(
PreconditionFailed, match="enable uniform bucket-level access"
):
bucket.set_iam_policy(policy)
bucket.iam_configuration.uniform_bucket_level_access_enabled = True
bucket.patch()
policy = bucket.get_iam_policy(requested_policy_version=3)
policy.bindings.append(BINDING_W_CONDITION)
with pytest.raises(BadRequest, match="at least 3"):
bucket.set_iam_policy(policy)
policy.version = 3
returned_policy = bucket.set_iam_policy(policy)
self.assertEqual(returned_policy.version, 3)
self.assertEqual(returned_policy.bindings, policy.bindings)
fetched_policy = bucket.get_iam_policy(requested_policy_version=3)
self.assertEqual(fetched_policy.bindings, returned_policy.bindings)
@unittest.skipUnless(USER_PROJECT, "USER_PROJECT not set in environment.")
def test_crud_bucket_with_requester_pays(self):
new_bucket_name = "w-requester-pays" + unique_resource_id("-")
created = retry_429_503(Config.CLIENT.create_bucket)(
new_bucket_name, requester_pays=True
)
self.case_buckets_to_delete.append(new_bucket_name)
self.assertEqual(created.name, new_bucket_name)
self.assertTrue(created.requester_pays)
with_user_project = Config.CLIENT.bucket(
new_bucket_name, user_project=USER_PROJECT
)
# Bucket will be deleted in-line below.
self.case_buckets_to_delete.remove(new_bucket_name)
try:
# Exercise 'buckets.get' w/ userProject.
self.assertTrue(with_user_project.exists())
with_user_project.reload()
self.assertTrue(with_user_project.requester_pays)
# Exercise 'buckets.patch' w/ userProject.
with_user_project.configure_website(
main_page_suffix="index.html", not_found_page="404.html"
)
with_user_project.patch()
self.assertEqual(
with_user_project._properties["website"],
{"mainPageSuffix": "index.html", "notFoundPage": "404.html"},
)
# Exercise 'buckets.update' w/ userProject.
new_labels = {"another-label": "another-value"}
with_user_project.labels = new_labels
with_user_project.update()
self.assertEqual(with_user_project.labels, new_labels)
finally:
# Exercise 'buckets.delete' w/ userProject.
with_user_project.delete()
@unittest.skipUnless(USER_PROJECT, "USER_PROJECT not set in environment.")
def test_bucket_acls_iam_with_user_project(self):
new_bucket_name = "acl-w-user-project" + unique_resource_id("-")
retry_429_503(Config.CLIENT.create_bucket)(new_bucket_name, requester_pays=True)
self.case_buckets_to_delete.append(new_bucket_name)
with_user_project = Config.CLIENT.bucket(
new_bucket_name, user_project=USER_PROJECT
)
# Exercise bucket ACL w/ userProject
acl = with_user_project.acl
acl.reload()
acl.all().grant_read()
acl.save()
self.assertIn("READER", acl.all().get_roles())
del acl.entities["allUsers"]
acl.save()
self.assertFalse(acl.has_entity("allUsers"))
# Exercise default object ACL w/ userProject
doa = with_user_project.default_object_acl
doa.reload()
doa.all().grant_read()
doa.save()
self.assertIn("READER", doa.all().get_roles())
# Exercise IAM w/ userProject
test_permissions = ["storage.buckets.get"]
self.assertEqual(
with_user_project.test_iam_permissions(test_permissions), test_permissions
)
policy = with_user_project.get_iam_policy()
viewers = policy.setdefault("roles/storage.objectViewer", set())
viewers.add(policy.all_users())
with_user_project.set_iam_policy(policy)
@unittest.skipUnless(USER_PROJECT, "USER_PROJECT not set in environment.")
def test_copy_existing_file_with_user_project(self):
new_bucket_name = "copy-w-requester-pays" + unique_resource_id("-")
created = retry_429_503(Config.CLIENT.create_bucket)(
new_bucket_name, requester_pays=True
)
self.case_buckets_to_delete.append(new_bucket_name)
self.assertEqual(created.name, new_bucket_name)
self.assertTrue(created.requester_pays)
to_delete = []
blob = storage.Blob("simple", bucket=created)
blob.upload_from_string(b"DEADBEEF")
to_delete.append(blob)
try:
with_user_project = Config.CLIENT.bucket(
new_bucket_name, user_project=USER_PROJECT
)
new_blob = retry_bad_copy(with_user_project.copy_blob)(
blob, with_user_project, "simple-copy"
)
to_delete.append(new_blob)
base_contents = blob.download_as_string()
copied_contents = new_blob.download_as_string()
self.assertEqual(base_contents, copied_contents)
finally:
for blob in to_delete:
retry_429_harder(blob.delete)()
@unittest.skipUnless(USER_PROJECT, "USER_PROJECT not set in environment.")
def test_bucket_get_blob_with_user_project(self):
new_bucket_name = "w-requester-pays" + unique_resource_id("-")
data = b"DEADBEEF"
created = retry_429_503(Config.CLIENT.create_bucket)(
new_bucket_name, requester_pays=True
)
self.case_buckets_to_delete.append(new_bucket_name)
self.assertEqual(created.name, new_bucket_name)
self.assertTrue(created.requester_pays)
with_user_project = Config.CLIENT.bucket(
new_bucket_name, user_project=USER_PROJECT
)
self.assertIsNone(with_user_project.get_blob("nonesuch"))
to_add = created.blob("blob-name")
to_add.upload_from_string(data)
try:
found = with_user_project.get_blob("blob-name")
self.assertEqual(found.download_as_string(), data)
finally:
to_add.delete()
class TestStorageFiles(unittest.TestCase):
FILES = {
"logo": {"path": DATA_DIRNAME + "/CloudPlatform_128px_Retina.png"},
"big": {"path": DATA_DIRNAME + "/five-point-one-mb-file.zip"},
"simple": {"path": DATA_DIRNAME + "/simple.txt"},
}
@classmethod
def setUpClass(cls):
super(TestStorageFiles, cls).setUpClass()
for file_data in cls.FILES.values():
with open(file_data["path"], "rb") as file_obj:
file_data["hash"] = _base64_md5hash(file_obj)
cls.bucket = Config.TEST_BUCKET
def setUp(self):
self.case_blobs_to_delete = []
def tearDown(self):
errors = (exceptions.TooManyRequests, exceptions.ServiceUnavailable)
retry = RetryErrors(errors, max_tries=6)
for blob in self.case_blobs_to_delete:
retry(blob.delete)()
class TestStorageWriteFiles(TestStorageFiles):
ENCRYPTION_KEY = "b23ff11bba187db8c37077e6af3b25b8"
def test_large_file_write_from_stream(self):
blob = self.bucket.blob("LargeFile")
file_data = self.FILES["big"]
with open(file_data["path"], "rb") as file_obj:
blob.upload_from_file(file_obj)
self.case_blobs_to_delete.append(blob)
md5_hash = blob.md5_hash
if not isinstance(md5_hash, six.binary_type):
md5_hash = md5_hash.encode("utf-8")
self.assertEqual(md5_hash, file_data["hash"])
def test_large_encrypted_file_write_from_stream(self):
blob = self.bucket.blob("LargeFile", encryption_key=self.ENCRYPTION_KEY)
file_data = self.FILES["big"]
with open(file_data["path"], "rb") as file_obj:
blob.upload_from_file(file_obj)
self.case_blobs_to_delete.append(blob)
md5_hash = blob.md5_hash
if not isinstance(md5_hash, six.binary_type):
md5_hash = md5_hash.encode("utf-8")
self.assertEqual(md5_hash, file_data["hash"])
temp_filename = tempfile.mktemp()
with open(temp_filename, "wb") as file_obj:
blob.download_to_file(file_obj)
with open(temp_filename, "rb") as file_obj:
md5_temp_hash = _base64_md5hash(file_obj)
self.assertEqual(md5_temp_hash, file_data["hash"])
def test_small_file_write_from_filename(self):
blob = self.bucket.blob("SmallFile")
file_data = self.FILES["simple"]
blob.upload_from_filename(file_data["path"])
self.case_blobs_to_delete.append(blob)
md5_hash = blob.md5_hash
if not isinstance(md5_hash, six.binary_type):
md5_hash = md5_hash.encode("utf-8")
self.assertEqual(md5_hash, file_data["hash"])
@unittest.skipUnless(USER_PROJECT, "USER_PROJECT not set in environment.")
def test_crud_blob_w_user_project(self):
with_user_project = Config.CLIENT.bucket(
self.bucket.name, user_project=USER_PROJECT
)
blob = with_user_project.blob("SmallFile")
file_data = self.FILES["simple"]
with open(file_data["path"], mode="rb") as to_read:
file_contents = to_read.read()
# Exercise 'objects.insert' w/ userProject.
blob.upload_from_filename(file_data["path"])
gen0 = blob.generation
# Upload a second generation of the blob
blob.upload_from_string(b"gen1")
gen1 = blob.generation
blob0 = with_user_project.blob("SmallFile", generation=gen0)
blob1 = with_user_project.blob("SmallFile", generation=gen1)
# Exercise 'objects.get' w/ generation
self.assertEqual(with_user_project.get_blob(blob.name).generation, gen1)
self.assertEqual(
with_user_project.get_blob(blob.name, generation=gen0).generation, gen0
)
try:
# Exercise 'objects.get' (metadata) w/ userProject.
self.assertTrue(blob.exists())
blob.reload()
# Exercise 'objects.get' (media) w/ userProject.
self.assertEqual(blob0.download_as_string(), file_contents)
self.assertEqual(blob1.download_as_string(), b"gen1")
# Exercise 'objects.patch' w/ userProject.
blob0.content_language = "en"
blob0.patch()
self.assertEqual(blob0.content_language, "en")
self.assertIsNone(blob1.content_language)
# Exercise 'objects.update' w/ userProject.
metadata = {"foo": "Foo", "bar": "Bar"}
blob0.metadata = metadata
blob0.update()
self.assertEqual(blob0.metadata, metadata)
self.assertIsNone(blob1.metadata)
finally:
# Exercise 'objects.delete' (metadata) w/ userProject.
blobs = with_user_project.list_blobs(prefix=blob.name, versions=True)
self.assertEqual([each.generation for each in blobs], [gen0, gen1])
blob0.delete()
blobs = with_user_project.list_blobs(prefix=blob.name, versions=True)
self.assertEqual([each.generation for each in blobs], [gen1])
blob1.delete()
@unittest.skipUnless(USER_PROJECT, "USER_PROJECT not set in environment.")
def test_blob_acl_w_user_project(self):
with_user_project = Config.CLIENT.bucket(
self.bucket.name, user_project=USER_PROJECT
)
blob = with_user_project.blob("SmallFile")
file_data = self.FILES["simple"]
blob.upload_from_filename(file_data["path"])
self.case_blobs_to_delete.append(blob)
# Exercise bucket ACL w/ userProject
acl = blob.acl
acl.reload()
acl.all().grant_read()
acl.save()
self.assertIn("READER", acl.all().get_roles())
del acl.entities["allUsers"]
acl.save()
self.assertFalse(acl.has_entity("allUsers"))
def test_upload_blob_acl(self):
control = self.bucket.blob("logo")
control_data = self.FILES["logo"]
blob = self.bucket.blob("SmallFile")
file_data = self.FILES["simple"]
try:
control.upload_from_filename(control_data["path"])
blob.upload_from_filename(file_data["path"], predefined_acl="publicRead")
finally:
self.case_blobs_to_delete.append(blob)
self.case_blobs_to_delete.append(control)
control_acl = control.acl
self.assertNotIn("READER", control_acl.all().get_roles())
acl = blob.acl
self.assertIn("READER", acl.all().get_roles())
acl.all().revoke_read()
self.assertSequenceEqual(acl.all().get_roles(), set([]))
self.assertEqual(control_acl.all().get_roles(), acl.all().get_roles())
def test_write_metadata(self):
filename = self.FILES["logo"]["path"]
blob_name = os.path.basename(filename)
blob = storage.Blob(blob_name, bucket=self.bucket)
blob.upload_from_filename(filename)
self.case_blobs_to_delete.append(blob)
# NOTE: This should not be necessary. We should be able to pass
# it in to upload_file and also to upload_from_string.
blob.content_type = "image/png"
self.assertEqual(blob.content_type, "image/png")
def test_direct_write_and_read_into_file(self):
blob = self.bucket.blob("MyBuffer")
file_contents = b"Hello World"
blob.upload_from_string(file_contents)
self.case_blobs_to_delete.append(blob)
same_blob = self.bucket.blob("MyBuffer")
same_blob.reload() # Initialize properties.
temp_filename = tempfile.mktemp()
with open(temp_filename, "wb") as file_obj:
same_blob.download_to_file(file_obj)
with open(temp_filename, "rb") as file_obj:
stored_contents = file_obj.read()
self.assertEqual(file_contents, stored_contents)
def test_copy_existing_file(self):
filename = self.FILES["logo"]["path"]
blob = storage.Blob("CloudLogo", bucket=self.bucket)
blob.upload_from_filename(filename)
self.case_blobs_to_delete.append(blob)
new_blob = retry_bad_copy(self.bucket.copy_blob)(
blob, self.bucket, "CloudLogoCopy"
)
self.case_blobs_to_delete.append(new_blob)
base_contents = blob.download_as_string()
copied_contents = new_blob.download_as_string()
self.assertEqual(base_contents, copied_contents)
def test_download_blob_w_uri(self):
blob = self.bucket.blob("MyBuffer")
file_contents = b"Hello World"
blob.upload_from_string(file_contents)
self.case_blobs_to_delete.append(blob)
temp_filename = tempfile.mktemp()
with open(temp_filename, "wb") as file_obj:
Config.CLIENT.download_blob_to_file(
"gs://" + self.bucket.name + "/MyBuffer", file_obj
)
with open(temp_filename, "rb") as file_obj:
stored_contents = file_obj.read()
self.assertEqual(file_contents, stored_contents)
def test_upload_gzip_encoded_download_raw(self):
payload = b"DEADBEEF" * 1000
raw_stream = io.BytesIO()
with gzip.GzipFile(fileobj=raw_stream, mode="wb") as gzip_stream:
gzip_stream.write(payload)
zipped = raw_stream.getvalue()
blob = self.bucket.blob("test_gzipped.gz")
blob.content_encoding = "gzip"
blob.upload_from_file(raw_stream, rewind=True)
expanded = blob.download_as_string()
self.assertEqual(expanded, payload)
raw = blob.download_as_string(raw_download=True)
self.assertEqual(raw, zipped)
class TestUnicode(unittest.TestCase):
@vpcsc_config.skip_if_inside_vpcsc
def test_fetch_object_and_check_content(self):
client = storage.Client()
bucket = client.bucket("storage-library-test-bucket")
# Note: These files are public.
# Normalization form C: a single character for e-acute;
# URL should end with Cafe%CC%81
# Normalization Form D: an ASCII e followed by U+0301 combining
# character; URL should end with Caf%C3%A9
test_data = {
u"Caf\u00e9": b"Normalization Form C",
u"Cafe\u0301": b"Normalization Form D",
}
for blob_name, file_contents in test_data.items():
blob = bucket.blob(blob_name)
self.assertEqual(blob.name, blob_name)
self.assertEqual(blob.download_as_string(), file_contents)
class TestStorageListFiles(TestStorageFiles):
FILENAMES = ("CloudLogo1", "CloudLogo2", "CloudLogo3")
@classmethod
def setUpClass(cls):
super(TestStorageListFiles, cls).setUpClass()
# Make sure bucket empty before beginning.
_empty_bucket(cls.bucket)
logo_path = cls.FILES["logo"]["path"]
blob = storage.Blob(cls.FILENAMES[0], bucket=cls.bucket)
blob.upload_from_filename(logo_path)
cls.suite_blobs_to_delete = [blob]
# Copy main blob onto remaining in FILENAMES.
for filename in cls.FILENAMES[1:]:
new_blob = retry_bad_copy(cls.bucket.copy_blob)(blob, cls.bucket, filename)
cls.suite_blobs_to_delete.append(new_blob)
@classmethod
def tearDownClass(cls):
errors = (exceptions.TooManyRequests, exceptions.ServiceUnavailable)
retry = RetryErrors(errors, max_tries=6)
for blob in cls.suite_blobs_to_delete:
retry(blob.delete)()
@RetryErrors(unittest.TestCase.failureException)
def test_list_files(self):
all_blobs = list(self.bucket.list_blobs())
self.assertEqual(
sorted(blob.name for blob in all_blobs), sorted(self.FILENAMES)
)
@unittest.skipUnless(USER_PROJECT, "USER_PROJECT not set in environment.")
@RetryErrors(unittest.TestCase.failureException)
def test_list_files_with_user_project(self):
with_user_project = Config.CLIENT.bucket(
self.bucket.name, user_project=USER_PROJECT
)
all_blobs = list(with_user_project.list_blobs())
self.assertEqual(
sorted(blob.name for blob in all_blobs), sorted(self.FILENAMES)
)
@RetryErrors(unittest.TestCase.failureException)
def test_paginate_files(self):
truncation_size = 1
count = len(self.FILENAMES) - truncation_size
iterator = self.bucket.list_blobs(max_results=count)
page_iter = iterator.pages
page1 = six.next(page_iter)
blobs = list(page1)
self.assertEqual(len(blobs), count)
self.assertIsNotNone(iterator.next_page_token)
# Technically the iterator is exhausted.
self.assertEqual(iterator.num_results, iterator.max_results)
# But we modify the iterator to continue paging after
# articially stopping after ``count`` items.
iterator.max_results = None
page2 = six.next(page_iter)
last_blobs = list(page2)
self.assertEqual(len(last_blobs), truncation_size)
class TestStoragePseudoHierarchy(TestStorageFiles):
FILENAMES = (
"file01.txt",
"parent/file11.txt",
"parent/child/file21.txt",
"parent/child/file22.txt",
"parent/child/grand/file31.txt",
"parent/child/other/file32.txt",
)
@classmethod
def setUpClass(cls):
super(TestStoragePseudoHierarchy, cls).setUpClass()
# Make sure bucket empty before beginning.
_empty_bucket(cls.bucket)
cls.suite_blobs_to_delete = []
simple_path = cls.FILES["simple"]["path"]
for filename in cls.FILENAMES:
blob = storage.Blob(filename, bucket=cls.bucket)
blob.upload_from_filename(simple_path)
cls.suite_blobs_to_delete.append(blob)
@classmethod
def tearDownClass(cls):
errors = (exceptions.TooManyRequests, exceptions.ServiceUnavailable)
retry = RetryErrors(errors, max_tries=6)
for blob in cls.suite_blobs_to_delete:
retry(blob.delete)()
@RetryErrors(unittest.TestCase.failureException)
def test_blob_get_w_delimiter(self):
for filename in self.FILENAMES:
blob = self.bucket.blob(filename)
self.assertTrue(blob.exists(), filename)
@RetryErrors(unittest.TestCase.failureException)
def test_root_level_w_delimiter(self):
iterator = self.bucket.list_blobs(delimiter="/")
page = six.next(iterator.pages)
blobs = list(page)
self.assertEqual([blob.name for blob in blobs], ["file01.txt"])
self.assertIsNone(iterator.next_page_token)
self.assertEqual(iterator.prefixes, set(["parent/"]))
@RetryErrors(unittest.TestCase.failureException)
def test_first_level(self):
iterator = self.bucket.list_blobs(delimiter="/", prefix="parent/")
page = six.next(iterator.pages)
blobs = list(page)
self.assertEqual([blob.name for blob in blobs], ["parent/file11.txt"])
self.assertIsNone(iterator.next_page_token)
self.assertEqual(iterator.prefixes, set(["parent/child/"]))
@RetryErrors(unittest.TestCase.failureException)
def test_second_level(self):
expected_names = ["parent/child/file21.txt", "parent/child/file22.txt"]
iterator = self.bucket.list_blobs(delimiter="/", prefix="parent/child/")
page = six.next(iterator.pages)
blobs = list(page)
self.assertEqual([blob.name for blob in blobs], expected_names)
self.assertIsNone(iterator.next_page_token)
self.assertEqual(
iterator.prefixes, set(["parent/child/grand/", "parent/child/other/"])
)
@RetryErrors(unittest.TestCase.failureException)
def test_third_level(self):
# Pseudo-hierarchy can be arbitrarily deep, subject to the limit
# of 1024 characters in the UTF-8 encoded name:
# https://cloud.google.com/storage/docs/bucketnaming#objectnames
# Exercise a layer deeper to illustrate this.
iterator = self.bucket.list_blobs(delimiter="/", prefix="parent/child/grand/")
page = six.next(iterator.pages)
blobs = list(page)
self.assertEqual(
[blob.name for blob in blobs], ["parent/child/grand/file31.txt"]
)
self.assertIsNone(iterator.next_page_token)
self.assertEqual(iterator.prefixes, set())
class TestStorageSignURLs(unittest.TestCase):
BLOB_CONTENT = b"This time for sure, Rocky!"
@classmethod
def setUpClass(cls):
if (
type(Config.CLIENT._credentials)
is not google.oauth2.service_account.Credentials
):
cls.skipTest("Signing tests requires a service account credential")
bucket_name = "gcp-signing" + unique_resource_id()
cls.bucket = retry_429_503(Config.CLIENT.create_bucket)(bucket_name)
cls.blob = cls.bucket.blob("README.txt")
cls.blob.upload_from_string(cls.BLOB_CONTENT)
@classmethod
def tearDownClass(cls):
_empty_bucket(cls.bucket)
errors = (exceptions.Conflict, exceptions.TooManyRequests)
retry = RetryErrors(errors, max_tries=6)
retry(cls.bucket.delete)(force=True)
@staticmethod
def _morph_expiration(version, expiration):
if expiration is not None:
return expiration
if version == "v2":
return int(time.time()) + 10
return 10
def _create_signed_list_blobs_url_helper(
self, version, expiration=None, method="GET"
):
expiration = self._morph_expiration(version, expiration)
signed_url = self.bucket.generate_signed_url(
expiration=expiration, method=method, client=Config.CLIENT, version=version
)
response = requests.get(signed_url)
self.assertEqual(response.status_code, 200)
def test_create_signed_list_blobs_url_v2(self):
self._create_signed_list_blobs_url_helper(version="v2")
def test_create_signed_list_blobs_url_v2_w_expiration(self):
now = datetime.datetime.utcnow()
delta = datetime.timedelta(seconds=10)
self._create_signed_list_blobs_url_helper(expiration=now + delta, version="v2")
def test_create_signed_list_blobs_url_v4(self):
self._create_signed_list_blobs_url_helper(version="v4")
def test_create_signed_list_blobs_url_v4_w_expiration(self):
now = datetime.datetime.utcnow()
delta = datetime.timedelta(seconds=10)
self._create_signed_list_blobs_url_helper(expiration=now + delta, version="v4")
def _create_signed_read_url_helper(
self,
blob_name="LogoToSign.jpg",
method="GET",
version="v2",
payload=None,
expiration=None,
encryption_key=None,
service_account_email=None,
access_token=None,
):
expiration = self._morph_expiration(version, expiration)
if payload is not None:
blob = self.bucket.blob(blob_name, encryption_key=encryption_key)
blob.upload_from_string(payload)
else:
blob = self.blob
signed_url = blob.generate_signed_url(
expiration=expiration,
method=method,
client=Config.CLIENT,
version=version,
service_account_email=service_account_email,
access_token=access_token,
)
headers = {}
if encryption_key is not None:
headers["x-goog-encryption-algorithm"] = "AES256"
encoded_key = base64.b64encode(encryption_key).decode("utf-8")
headers["x-goog-encryption-key"] = encoded_key
key_hash = hashlib.sha256(encryption_key).digest()
key_hash = base64.b64encode(key_hash).decode("utf-8")
headers["x-goog-encryption-key-sha256"] = key_hash
response = requests.get(signed_url, headers=headers)
self.assertEqual(response.status_code, 200)
if payload is not None:
self.assertEqual(response.content, payload)
else:
self.assertEqual(response.content, self.BLOB_CONTENT)
def test_create_signed_read_url_v2(self):
self._create_signed_read_url_helper()
def test_create_signed_read_url_v4(self):
self._create_signed_read_url_helper(version="v4")
def test_create_signed_read_url_v2_w_expiration(self):
now = datetime.datetime.utcnow()