test_qiniu.py

# -*- coding: utf-8 -*-
# flake8: noqa
import os
import string
import random
import tempfile
import functools

import requests

import unittest
import pytest
from freezegun import freeze_time

from qiniu import Auth, set_default, etag, PersistentFop, build_op, op_save, Zone, QiniuMacAuth
from qiniu import BucketManager, build_batch_copy, build_batch_rename, build_batch_move, build_batch_stat, \
    build_batch_delete, DomainManager
from qiniu import urlsafe_base64_encode, urlsafe_base64_decode, canonical_mime_header_key, entry, decode_entry

from qiniu.compat import is_py2, is_py3, b, json

import qiniu.config


if is_py2:
    import sys
    import StringIO
    import urllib
    from imp import reload

    reload(sys)
    sys.setdefaultencoding('utf-8')
    StringIO = StringIO.StringIO
    urlopen = urllib.urlopen
elif is_py3:
    import io
    import urllib

    StringIO = io.StringIO
    urlopen = urllib.request.urlopen

access_key = os.getenv('QINIU_ACCESS_KEY')
secret_key = os.getenv('QINIU_SECRET_KEY')
bucket_name = os.getenv('QINIU_TEST_BUCKET')
hostscache_dir = None


dummy_access_key = 'abcdefghklmnopq'
dummy_secret_key = '1234567890'
dummy_auth = Auth(dummy_access_key, dummy_secret_key)


def rand_string(length):
    lib = string.ascii_uppercase
    return ''.join([random.choice(lib) for i in range(0, length)])


def create_temp_file(size):
    t = tempfile.mktemp()
    f = open(t, 'wb')
    f.seek(size - 1)
    f.write(b('0'))
    f.close()
    return t


def remove_temp_file(file):
    try:
        os.remove(file)
    except OSError:
        pass


class UtilsTest(unittest.TestCase):
    def test_urlsafe(self):
        a = 'hello\x96'
        u = urlsafe_base64_encode(a)
        assert b(a) == urlsafe_base64_decode(u)

    def test_canonical_mime_header_key(self):
        field_names = [
            ":status",
            ":x-test-1",
            ":x-Test-2",
            "content-type",
            "CONTENT-LENGTH",
            "oRiGin",
            "ReFer",
            "Last-Modified",
            "acCePt-ChArsEt",
            "x-test-3",
            "cache-control",
        ]
        expect_canonical_field_names = [
            ":status",
            ":x-test-1",
            ":x-Test-2",
            "Content-Type",
            "Content-Length",
            "Origin",
            "Refer",
            "Last-Modified",
            "Accept-Charset",
            "X-Test-3",
            "Cache-Control",
        ]
        assert len(field_names) == len(expect_canonical_field_names)
        for i in range(len(field_names)):
            assert canonical_mime_header_key(field_names[i]) == expect_canonical_field_names[i]

    def test_entry(self):
        case_list = [
            {
                'msg': 'normal',
                'bucket': 'qiniuphotos',
                'key': 'gogopher.jpg',
                'expect': 'cWluaXVwaG90b3M6Z29nb3BoZXIuanBn'
            },
            {
                'msg': 'key empty',
                'bucket': 'qiniuphotos',
                'key': '',
                'expect': 'cWluaXVwaG90b3M6'
            },
            {
                'msg': 'key undefined',
                'bucket': 'qiniuphotos',
                'key': None,
                'expect': 'cWluaXVwaG90b3M='
            },
            {
                'msg': 'key need replace plus symbol',
                'bucket': 'qiniuphotos',
                'key': '012ts>a',
                'expect': 'cWluaXVwaG90b3M6MDEydHM-YQ=='
            },
            {
                'msg': 'key need replace slash symbol',
                'bucket': 'qiniuphotos',
                'key': '012ts?a',
                'expect': 'cWluaXVwaG90b3M6MDEydHM_YQ=='
            }
        ]
        for c in case_list:
            assert c.get('expect') == entry(c.get('bucket'), c.get('key')), c.get('msg')

    def test_decode_entry(self):
        case_list = [
            {
                'msg': 'normal',
                'expect': {
                    'bucket': 'qiniuphotos',
                    'key': 'gogopher.jpg'
                },
                'entry': 'cWluaXVwaG90b3M6Z29nb3BoZXIuanBn'
            },
            {
                'msg': 'key empty',
                'expect': {
                    'bucket': 'qiniuphotos',
                    'key': ''
                },
                'entry': 'cWluaXVwaG90b3M6'
            },
            {
                'msg': 'key undefined',
                'expect': {
                    'bucket': 'qiniuphotos',
                    'key': None
                },
                'entry': 'cWluaXVwaG90b3M='
            },
            {
                'msg': 'key need replace plus symbol',
                'expect': {
                    'bucket': 'qiniuphotos',
                    'key': '012ts>a'
                },
                'entry': 'cWluaXVwaG90b3M6MDEydHM-YQ=='
            },
            {
                'msg': 'key need replace slash symbol',
                'expect': {
                    'bucket': 'qiniuphotos',
                    'key': '012ts?a'
                },
                'entry': 'cWluaXVwaG90b3M6MDEydHM_YQ=='
            }
        ]
        for c in case_list:
            bucket, key = decode_entry(c.get('entry'))
            assert bucket == c.get('expect').get('bucket'), c.get('msg')
            assert key == c.get('expect').get('key'), c.get('msg')


class AuthTestCase(unittest.TestCase):
    def test_token(self):
        token = dummy_auth.token('test')
        assert token == 'abcdefghklmnopq:mSNBTR7uS2crJsyFr2Amwv1LaYg='

    def test_token_with_data(self):
        token = dummy_auth.token_with_data('test')
        assert token == 'abcdefghklmnopq:-jP8eEV9v48MkYiBGs81aDxl60E=:dGVzdA=='

    def test_noKey(self):
        with pytest.raises(ValueError):
            Auth(None, None).token('nokey')
        with pytest.raises(ValueError):
            Auth('', '').token('nokey')

    def test_token_of_request(self):
        token = dummy_auth.token_of_request('https://www.qiniu.com?go=1', 'test', '')
        assert token == 'abcdefghklmnopq:cFyRVoWrE3IugPIMP5YJFTO-O-Y='
        token = dummy_auth.token_of_request('https://www.qiniu.com?go=1', 'test', 'application/x-www-form-urlencoded')
        assert token == 'abcdefghklmnopq:svWRNcacOE-YMsc70nuIYdaa1e4='

    def test_QiniuMacRequestsAuth(self):
        auth = QiniuMacAuth("ak", "sk")
        test_cases = [
            {
                "method": "GET",
                "host": None,
                "url": "",
                "qheaders": {
                    "X-Qiniu-": "a",
                    "X-Qiniu": "b",
                    "Content-Type": "application/x-www-form-urlencoded",
                },
                "content_type": "application/x-www-form-urlencoded",
                "body": "{\"name\": \"test\"}",
                "except_sign_token": "ak:0i1vKClRDWFyNkcTFzwcE7PzX74=",
            },
            {
                "method": "GET",
                "host": None,
                "url": "",
                "qheaders": {
                    "Content-Type": "application/json",
                },
                "content_type": "application/json",
                "body": "{\"name\": \"test\"}",
                "except_sign_token": "ak:K1DI0goT05yhGizDFE5FiPJxAj4=",
            },
            {
                "method": "POST",
                "host": None,
                "url": "",
                "qheaders": {
                    "Content-Type": "application/json",
                    "X-Qiniu": "b",
                },
                "content_type": "application/json",
                "body": "{\"name\": \"test\"}",
                "except_sign_token": "ak:0ujEjW_vLRZxebsveBgqa3JyQ-w=",
            },
            {
                "method": "GET",
                "host": "upload.qiniup.com",
                "url": "http://upload.qiniup.com",
                "qheaders": {
                    "X-Qiniu-": "a",
                    "X-Qiniu": "b",
                    "Content-Type": "application/x-www-form-urlencoded",
                },
                "content_type": "application/x-www-form-urlencoded",
                "body": "{\"name\": \"test\"}",
                "except_sign_token": "ak:GShw5NitGmd5TLoo38nDkGUofRw=",
            },
            {
                "method": "GET",
                "host": "upload.qiniup.com",
                "url": "http://upload.qiniup.com",
                "qheaders": {
                    "Content-Type": "application/json",
                    "X-Qiniu-Bbb": "BBB",
                    "X-Qiniu-Aaa": "DDD",
                    "X-Qiniu-": "a",
                    "X-Qiniu": "b",
                },
                "content_type": "application/json",
                "body": "{\"name\": \"test\"}",
                "except_sign_token": "ak:DhNA1UCaBqSHCsQjMOLRfVn63GQ=",
            },
            {
                "method": "GET",
                "host": "upload.qiniup.com",
                "url": "http://upload.qiniup.com",
                "qheaders": {
                    "Content-Type": "application/x-www-form-urlencoded",
                    "X-Qiniu-Bbb": "BBB",
                    "X-Qiniu-Aaa": "DDD",
                    "X-Qiniu-": "a",
                    "X-Qiniu": "b",
                },
                "content_type": "application/x-www-form-urlencoded",
                "body": "name=test&language=go",
                "except_sign_token": "ak:KUAhrYh32P9bv0COD8ugZjDCmII=",
            },
            {
                "method": "GET",
                "host": "upload.qiniup.com",
                "url": "http://upload.qiniup.com",
                "qheaders": {
                    "Content-Type": "application/x-www-form-urlencoded",
                    "X-Qiniu-Bbb": "BBB",
                    "X-Qiniu-Aaa": "DDD",
                },
                "content_type": "application/x-www-form-urlencoded",
                "body": "name=test&language=go",
                "except_sign_token": "ak:KUAhrYh32P9bv0COD8ugZjDCmII=",
            },
            {
                "method": "GET",
                "host": "upload.qiniup.com",
                "url": "http://upload.qiniup.com/mkfile/sdf.jpg",
                "qheaders": {
                    "Content-Type": "application/x-www-form-urlencoded",
                    "X-Qiniu-Bbb": "BBB",
                    "X-Qiniu-Aaa": "DDD",
                    "X-Qiniu-": "a",
                    "X-Qiniu": "b",
                },
                "content_type": "application/x-www-form-urlencoded",
                "body": "name=test&language=go",
                "except_sign_token": "ak:fkRck5_LeyfwdkyyLk-hyNwGKac=",
            },
            {
                "method": "GET",
                "host": "upload.qiniup.com",
                "url": "http://upload.qiniup.com/mkfile/sdf.jpg?s=er3&df",
                "qheaders": {
                    "Content-Type": "application/x-www-form-urlencoded",
                    "X-Qiniu-Bbb": "BBB",
                    "X-Qiniu-Aaa": "DDD",
                    "X-Qiniu-": "a",
                    "X-Qiniu": "b",
                },
                "content_type": "application/x-www-form-urlencoded",
                "body": "name=test&language=go",
                "except_sign_token": "ak:PUFPWsEUIpk_dzUvvxTTmwhp3p4=",
            },
        ]

        for test_case in test_cases:
            sign_token = auth.token_of_request(
                method=test_case["method"],
                host=test_case["host"],
                url=test_case["url"],
                qheaders=auth.qiniu_headers(test_case["qheaders"]),
                content_type=test_case["content_type"],
                body=test_case["body"],
            )
            assert sign_token == test_case["except_sign_token"]

    def test_verify_callback(self):
        body = 'name=sunflower.jpg&hash=Fn6qeQi4VDLQ347NiRm-RlQx_4O2&location=Shanghai&price=1500.00&uid=123'
        url = 'test.qiniu.com/callback'
        ok = dummy_auth.verify_callback('QBox abcdefghklmnopq:ZWyeM5ljWMRFwuPTPOwQ4RwSto4=', url, body)
        assert ok


class BucketTestCase(unittest.TestCase):
    q = Auth(access_key, secret_key)
    bucket = BucketManager(q)

    def test_list(self):
        ret, eof, info = self.bucket.list(bucket_name, limit=4)
        assert eof is False
        assert len(ret.get('items')) == 4
        ret, eof, info = self.bucket.list(bucket_name, limit=1000)
        print(ret, eof, info)
        assert info.status_code == 200

    def test_buckets(self):
        ret, info = self.bucket.buckets()
        print(info)
        assert bucket_name in ret

    def test_prefetch(self):
        ret, info = self.bucket.prefetch(bucket_name, 'python-sdk.html', hostscache_dir=hostscache_dir)
        print(info)
        assert ret['key'] == 'python-sdk.html'

    def test_fetch(self):
        ret, info = self.bucket.fetch('https://developer.qiniu.com/kodo/sdk/python', bucket_name,
                                      'fetch.html', hostscache_dir=hostscache_dir)
        print(info)
        assert ret['key'] == 'fetch.html'
        assert 'hash' in ret

    def test_fetch_without_key(self):
        ret, info = self.bucket.fetch('https://developer.qiniu.com/kodo/sdk/python', bucket_name,
                                      hostscache_dir=hostscache_dir)
        print(info)
        assert ret['key'] == ret['hash']
        assert 'hash' in ret

    def test_stat(self):
        ret, info = self.bucket.stat(bucket_name, 'python-sdk.html')
        print(info)
        assert 'hash' in ret

    def test_delete(self):
        ret, info = self.bucket.delete(bucket_name, 'del')
        print(info)
        assert ret is None
        assert info.status_code == 612

    def test_rename(self):
        key = 'renameto' + rand_string(8)
        self.bucket.copy(bucket_name, 'copyfrom', bucket_name, key)
        key2 = key + 'move'
        ret, info = self.bucket.rename(bucket_name, key, key2)
        print(info)
        assert ret == {}
        ret, info = self.bucket.delete(bucket_name, key2)
        print(info)
        assert ret == {}

    def test_copy(self):
        key = 'copyto' + rand_string(8)
        ret, info = self.bucket.copy(bucket_name, 'copyfrom', bucket_name, key)
        print(info)
        assert ret == {}
        ret, info = self.bucket.delete(bucket_name, key)
        print(info)
        assert ret == {}

    def test_change_mime(self):
        ret, info = self.bucket.change_mime(bucket_name, 'python-sdk.html', 'text/html')
        print(info)
        assert ret == {}

    def test_change_type(self):
        target_key = 'copyto' + rand_string(8)
        self.bucket.copy(bucket_name, 'copyfrom', bucket_name, target_key)
        ret, info = self.bucket.change_type(bucket_name, target_key, 1)
        print(info)
        assert ret == {}
        ret, info = self.bucket.stat(bucket_name, target_key)
        print(info)
        assert 'type' in ret
        self.bucket.delete(bucket_name, target_key)

    def test_copy_force(self):
        ret, info = self.bucket.copy(bucket_name, 'copyfrom', bucket_name, 'copyfrom', force='true')
        print(info)
        assert info.status_code == 200

    def test_batch_copy(self):
        key = 'copyto' + rand_string(8)
        ops = build_batch_copy(bucket_name, {'copyfrom': key}, bucket_name)
        ret, info = self.bucket.batch(ops)
        print(info)
        assert ret[0]['code'] == 200
        ops = build_batch_delete(bucket_name, [key])
        ret, info = self.bucket.batch(ops)
        print(info)
        assert ret[0]['code'] == 200

    def test_batch_copy_force(self):
        ops = build_batch_copy(bucket_name, {'copyfrom': 'copyfrom'}, bucket_name, force='true')
        ret, info = self.bucket.batch(ops)
        print(info)
        assert ret[0]['code'] == 200

    def test_batch_move(self):
        key = 'moveto' + rand_string(8)
        self.bucket.copy(bucket_name, 'copyfrom', bucket_name, key)
        key2 = key + 'move'
        ops = build_batch_move(bucket_name, {key: key2}, bucket_name)
        ret, info = self.bucket.batch(ops)
        print(info)
        assert ret[0]['code'] == 200
        ret, info = self.bucket.delete(bucket_name, key2)
        print(info)
        assert ret == {}

    def test_batch_move_force(self):
        ret, info = self.bucket.copy(bucket_name, 'copyfrom', bucket_name, 'copyfrom', force='true')
        print(info)
        assert info.status_code == 200
        ops = build_batch_move(bucket_name, {'copyfrom': 'copyfrom'}, bucket_name, force='true')
        ret, info = self.bucket.batch(ops)
        print(info)
        assert ret[0]['code'] == 200

    def test_batch_rename(self):
        key = 'rename' + rand_string(8)
        self.bucket.copy(bucket_name, 'copyfrom', bucket_name, key)
        key2 = key + 'rename'
        ops = build_batch_move(bucket_name, {key: key2}, bucket_name)
        ret, info = self.bucket.batch(ops)
        print(info)
        assert ret[0]['code'] == 200
        ret, info = self.bucket.delete(bucket_name, key2)
        print(info)
        assert ret == {}

    def test_batch_rename_force(self):
        ret, info = self.bucket.rename(bucket_name, 'copyfrom', 'copyfrom', force='true')
        print(info)
        assert info.status_code == 200
        ops = build_batch_rename(bucket_name, {'copyfrom': 'copyfrom'}, force='true')
        ret, info = self.bucket.batch(ops)
        print(info)
        assert ret[0]['code'] == 200

    def test_batch_stat(self):
        ops = build_batch_stat(bucket_name, ['python-sdk.html'])
        ret, info = self.bucket.batch(ops)
        print(info)
        assert ret[0]['code'] == 200

    def test_delete_after_days(self):
        days = '5'
        ret, info = self.bucket.delete_after_days(bucket_name, 'invaild.html', days)
        assert info.status_code == 612
        key = 'copyto' + rand_string(8)
        ret, info = self.bucket.copy(bucket_name, 'copyfrom', bucket_name, key)
        ret, info = self.bucket.delete_after_days(bucket_name, key, days)
        assert info.status_code == 200

    def test_set_object_lifecycle(self):
        key = 'test_set_object_lifecycle' + rand_string(8)
        ret, info = self.bucket.copy(bucket_name, 'copyfrom', bucket_name, key)
        assert info.status_code == 200
        ret, info = self.bucket.set_object_lifecycle(
            bucket=bucket_name,
            key=key,
            to_line_after_days=10,
            to_archive_ir_after_days=15,
            to_archive_after_days=20,
            to_deep_archive_after_days=30,
            delete_after_days=40
        )
        assert info.status_code == 200

    def test_set_object_lifecycle_with_cond(self):
        key = 'test_set_object_lifecycle_cond' + rand_string(8)
        ret, info = self.bucket.copy(bucket_name, 'copyfrom', bucket_name, key)
        assert info.status_code == 200
        ret, info = self.bucket.stat(bucket_name, key)
        assert info.status_code == 200
        key_hash = ret['hash']
        ret, info = self.bucket.set_object_lifecycle(
            bucket=bucket_name,
            key=key,
            to_line_after_days=10,
            to_archive_ir_after_days=15,
            to_archive_after_days=20,
            to_deep_archive_after_days=30,
            delete_after_days=40,
            cond={
                'hash': key_hash
            }
        )
        assert info.status_code == 200

    def test_list_domains(self):
        ret, info = self.bucket.list_domains(bucket_name)
        print(info)
        assert info.status_code == 200
        assert isinstance(ret, list)

    @freeze_time("1970-01-01")
    def test_invalid_x_qiniu_date(self):
        ret, info = self.bucket.stat(bucket_name, 'python-sdk.html')
        assert ret is None
        assert info.status_code == 403

    @freeze_time("1970-01-01")
    def test_invalid_x_qiniu_date_with_disable_date_sign(self):
        q = Auth(access_key, secret_key, disable_qiniu_timestamp_signature=True)
        bucket = BucketManager(q)
        ret, info = bucket.stat(bucket_name, 'python-sdk.html')
        assert 'hash' in ret

    @freeze_time("1970-01-01")
    def test_invalid_x_qiniu_date_env(self):
        os.environ['DISABLE_QINIU_TIMESTAMP_SIGNATURE'] = 'True'
        ret, info = self.bucket.stat(bucket_name, 'python-sdk.html')
        os.unsetenv('DISABLE_QINIU_TIMESTAMP_SIGNATURE')
        assert 'hash' in ret

    @freeze_time("1970-01-01")
    def test_invalid_x_qiniu_date_env_be_ignored(self):
        os.environ['DISABLE_QINIU_TIMESTAMP_SIGNATURE'] = 'True'
        q = Auth(access_key, secret_key, disable_qiniu_timestamp_signature=False)
        bucket = BucketManager(q)
        ret, info = bucket.stat(bucket_name, 'python-sdk.html')
        os.unsetenv('DISABLE_QINIU_TIMESTAMP_SIGNATURE')
        assert ret is None
        assert info.status_code == 403

class DownloadTestCase(unittest.TestCase):
    q = Auth(access_key, secret_key)

    def test_private_url(self):
        private_bucket_domain = 'private-sdk.peterpy.cn'
        private_key = 'gogopher.jpg'
        base_url = 'http://%s/%s' % (private_bucket_domain, private_key)
        private_url = self.q.private_download_url(base_url, expires=3600)
        print(private_url)
        r = requests.get(private_url)
        assert r.status_code == 200


class MediaTestCase(unittest.TestCase):
    def test_pfop(self):
        q = Auth(access_key, secret_key)
        pfop = PersistentFop(q, 'testres', 'sdktest')
        op = op_save('avthumb/m3u8/segtime/10/vcodec/libx264/s/320x240', 'pythonsdk', 'pfoptest')
        ops = []
        ops.append(op)
        ret, info = pfop.execute('sintel_trailer.mp4', ops, 1)
        print(info)
        assert ret['persistentId'] is not None


class EtagTestCase(unittest.TestCase):
    def test_zero_size(self):
        open("x", 'a').close()
        hash = etag("x")
        assert hash == 'Fto5o-5ea0sNMlW_75VgGJCv2AcJ'
        remove_temp_file("x")

    def test_small_size(self):
        localfile = create_temp_file(1024 * 1024)
        hash = etag(localfile)
        assert hash == 'FnlAdmDasGTQOIgrU1QIZaGDv_1D'
        remove_temp_file(localfile)

    def test_large_size(self):
        localfile = create_temp_file(4 * 1024 * 1024 + 1)
        hash = etag(localfile)
        assert hash == 'ljF323utglY3GI6AvLgawSJ4_dgk'
        remove_temp_file(localfile)


class CdnTestCase(unittest.TestCase):
    q = Auth(access_key, secret_key)
    domain_manager = DomainManager(q)

    def test_get_domain(self):
        ret, info = self.domain_manager.get_domain('pythonsdk.qiniu.io')
        print(info)
        assert info.status_code == 200


class RegionTestCase(unittest.TestCase):
    test_rs_host = 'test.region.compatible.config.rs'
    test_rsf_host = 'test.region.compatible.config.rsf'

    @staticmethod
    def restore_hosts():
        set_default(
            default_rs_host=qiniu.config.RS_HOST,
            default_rsf_host=qiniu.config.RSF_HOST,
            default_uc_host=qiniu.config.UC_HOST,
            default_query_region_host=qiniu.config.QUERY_REGION_HOST,
            default_query_region_backup_hosts=[
                'uc.qbox.me',
                'api.qiniu.com'
            ]
        )
        qiniu.config._is_customized_default['default_rs_host'] = False
        qiniu.config._is_customized_default['default_rsf_host'] = False
        qiniu.config._is_customized_default['default_uc_host'] = False
        qiniu.config._is_customized_default['default_query_region_host'] = False
        qiniu.config._is_customized_default['default_query_region_backup_hosts'] = False

    def test_config_compatible(self):
        try:
            set_default(default_rs_host=self.test_rs_host)
            set_default(default_rsf_host=self.test_rsf_host)
            zone = Zone()
            assert zone.get_rs_host("mock_ak", "mock_bucket") == self.test_rs_host
            assert zone.get_rsf_host("mock_ak", "mock_bucket") == self.test_rsf_host
        finally:
            RegionTestCase.restore_hosts()

    def test_query_region_with_custom_domain(self):
        try:
            set_default(
                default_query_region_host='https://fake-uc.phpsdk.qiniu.com'
            )
            zone = Zone()
            data = zone.bucket_hosts(access_key, bucket_name)
            assert data != 'null'
        finally:
            RegionTestCase.restore_hosts()

    def test_query_region_with_backup_domains(self):
        try:
            set_default(
                default_query_region_host='https://fake-uc.phpsdk.qiniu.com',
                default_query_region_backup_hosts=[
                    'unavailable-uc.phpsdk.qiniu.com',
                    'uc.qbox.me'
                ]
            )
            zone = Zone()
            data = zone.bucket_hosts(access_key, bucket_name)
            assert data != 'null'
        finally:
            RegionTestCase.restore_hosts()

    def test_query_region_with_uc_and_backup_domains(self):
        try:
            set_default(
                default_uc_host='https://fake-uc.phpsdk.qiniu.com',
                default_query_region_backup_hosts=[
                    'unavailable-uc.phpsdk.qiniu.com',
                    'uc.qbox.me'
                ]
            )
            zone = Zone()
            data = zone.bucket_hosts(access_key, bucket_name)
            assert data != 'null'
        finally:
            RegionTestCase.restore_hosts()


class ReadWithoutSeek(object):
    def __init__(self, str):
        self.str = str
        pass

    def read(self):
        print(self.str)


if __name__ == '__main__':
    unittest.main()