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"""
Some unit tests for the S3 Versioning.
"""
import unittest
import time
from boto.s3.connection import S3Connection
from boto.exception import S3ResponseError
from boto.s3.deletemarker import DeleteMarker
class S3VersionTest (unittest.TestCase):
def setUp(self):
self.conn = S3Connection()
self.bucket_name = 'version-%d' % int(time.time())
self.bucket = self.conn.create_bucket(self.bucket_name)
def tearDown(self):
for k in self.bucket.list_versions():
self.bucket.delete_key(k.name, version_id=k.version_id)
self.bucket.delete()
def test_1_versions(self):
# check versioning off
d = self.bucket.get_versioning_status()
self.assertFalse('Versioning' in d)
# enable versioning
self.bucket.configure_versioning(versioning=True)
d = self.bucket.get_versioning_status()
self.assertEqual('Enabled', d['Versioning'])
# create a new key in the versioned bucket
k = self.bucket.new_key("foobar")
s1 = 'This is v1'
k.set_contents_from_string(s1)
# remember the version id of this object
v1 = k.version_id
# now get the contents from s3
o1 = k.get_contents_as_string()
# check to make sure content read from k is identical to original
self.assertEqual(s1, o1)
# now overwrite that same key with new data
s2 = 'This is v2'
k.set_contents_from_string(s2)
v2 = k.version_id
# now retrieve latest contents as a string and compare
k2 = self.bucket.new_key("foobar")
o2 = k2.get_contents_as_string()
self.assertEqual(s2, o2)
# next retrieve explicit versions and compare
o1 = k.get_contents_as_string(version_id=v1)
o2 = k.get_contents_as_string(version_id=v2)
self.assertEqual(s1, o1)
self.assertEqual(s2, o2)
# Now list all versions and compare to what we have
rs = self.bucket.get_all_versions()
self.assertEqual(v2, rs[0].version_id)
self.assertEqual(v1, rs[1].version_id)
# Now do a regular list command and make sure only the new key shows up
rs = self.bucket.get_all_keys()
self.assertEqual(1, len(rs))
# Now do regular delete
self.bucket.delete_key('foobar')
# Now list versions and make sure old versions are there
# plus the DeleteMarker which is latest.
rs = self.bucket.get_all_versions()
self.assertEqual(3, len(rs))
self.assertTrue(isinstance(rs[0], DeleteMarker))
# Now delete v1 of the key
self.bucket.delete_key('foobar', version_id=v1)
# Now list versions again and make sure v1 is not there
rs = self.bucket.get_all_versions()
versions = [k.version_id for k in rs]
self.assertTrue(v1 not in versions)
self.assertTrue(v2 in versions)
# Now suspend Versioning on the bucket
self.bucket.configure_versioning(False)
# Allow time for the change to fully propagate.
time.sleep(3)
d = self.bucket.get_versioning_status()
self.assertEqual('Suspended', d['Versioning'])
def test_latest_version(self):
self.bucket.configure_versioning(versioning=True)
# add v1 of an object
key_name = "key"
kv1 = self.bucket.new_key(key_name)
kv1.set_contents_from_string("v1")
# read list which should contain latest v1
listed_kv1 = iter(self.bucket.get_all_versions()).next()
self.assertEqual(listed_kv1.name, key_name)
self.assertEqual(listed_kv1.version_id, kv1.version_id)
self.assertEqual(listed_kv1.is_latest, True)
# add v2 of the object
kv2 = self.bucket.new_key(key_name)
kv2.set_contents_from_string("v2")
# read 2 versions, confirm v2 is latest
i = iter(self.bucket.get_all_versions())
listed_kv2 = i.next()
listed_kv1 = i.next()
self.assertEqual(listed_kv2.version_id, kv2.version_id)
self.assertEqual(listed_kv1.version_id, kv1.version_id)
self.assertEqual(listed_kv2.is_latest, True)
self.assertEqual(listed_kv1.is_latest, False)
# delete key, which creates a delete marker as latest
self.bucket.delete_key(key_name)
i = iter(self.bucket.get_all_versions())
listed_kv3 = i.next()
listed_kv2 = i.next()
listed_kv1 = i.next()
self.assertNotEqual(listed_kv3.version_id, None)
self.assertEqual(listed_kv2.version_id, kv2.version_id)
self.assertEqual(listed_kv1.version_id, kv1.version_id)
self.assertEqual(listed_kv3.is_latest, True)
self.assertEqual(listed_kv2.is_latest, False)
self.assertEqual(listed_kv1.is_latest, False)感谢各位的阅读，以上就是“s3cmd versioning测试方法是什么”的内容了，经过本文的学习后，相信大家对s3cmd versioning测试方法是什么这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是创新互联，小编将为大家推送更多相关知识点的文章，欢迎关注！
