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# Copyright 2009-2015 MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Some tools for running tests based on MongoDB server version."""
class Version(tuple):
def __new__(cls, *version):
padded_version = cls._padded(version, 4)
return super(Version, cls).__new__(cls, tuple(padded_version))
@classmethod
def _padded(cls, iter, length, padding=0):
l = list(iter)
if len(l) < length:
for _ in range(length - len(l)):
l.append(padding)
return l
@classmethod
def from_string(cls, version_string):
mod = 0
bump_patch_level = False
if version_string.endswith("+"):
version_string = version_string[0:-1]
mod = 1
elif version_string.endswith("-pre-"):
version_string = version_string[0:-5]
mod = -1
elif version_string.endswith("-"):
version_string = version_string[0:-1]
mod = -1
# Deal with '-rcX' substrings
if '-rc' in version_string:
version_string = version_string[0:version_string.find('-rc')]
mod = -1
# Deal with git describe generated substrings
elif '-' in version_string:
version_string = version_string[0:version_string.find('-')]
mod = -1
bump_patch_level = True
version = [int(part) for part in version_string.split(".")]
version = cls._padded(version, 3)
# Make from_string and from_version_array agree. For example:
# MongoDB Enterprise > db.runCommand('buildInfo').versionArray
# [ 3, 2, 1, -100 ]
# MongoDB Enterprise > db.runCommand('buildInfo').version
# 3.2.0-97-g1ef94fe
if bump_patch_level:
version[-1] += 1
version.append(mod)
return Version(*version)
@classmethod
def from_version_array(cls, version_array):
version = list(version_array)
if version[-1] < 0:
version[-1] = -1
version = cls._padded(version, 3)
return Version(*version)
@classmethod
def from_client(cls, client):
info = client.server_info()
if 'versionArray' in info:
return cls.from_version_array(info['versionArray'])
return cls.from_string(info['version'])
def at_least(self, *other_version):
return self >= Version(*other_version)
def __str__(self):
return ".".join(map(str, self))