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env.py
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env.py
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# coding=utf-8
from __future__ import print_function
import contextlib
import inspect
import os
import sys
import unittest
import warnings
from .exists_redis import ExistsRedisEnv
from .redis_cluster import ClusterEnv
from .redis_enterprise_cluster import EnterpriseRedisClusterEnv
from .redis_std import StandardEnv
from .utils import Colors, expandBinary, fix_modules, fix_modulesArgs
from packaging import version
class TestAssertionFailure(Exception):
pass
def genDeprecated(name, target):
def method(*argc, **nargs):
warnings.warn('%s is deprecated, use %s instead' % (str(name), str(target)), DeprecationWarning)
return target(*argc, **nargs)
return method
class Query:
def __init__(self, env, *query):
self.query = query
self.env = env
self.errorRaised = False
self._evaluate()
def _evaluate(self):
try:
self.res = self.env.cmd(*self.query)
except Exception as e:
self.res = str(e)
self.errorRaised = True
def _prettyPrint(self, result, prefix='\t'):
if type(result) is list:
print(prefix + '[')
for r in result:
self._prettyPrint(r, prefix + '\t')
print(prefix + ']')
return
print(prefix + str(result))
def prettyPrint(self):
self._prettyPrint(self.res)
return self
def debugPrint(self):
self.env.debugPrint('query: %s, result: %s' % (self.query, self.res), force=True)
return self
def equal(self, expected):
self.env.assertEqual(self.res, expected, 1)
return self
def noEqual(self, expected):
self.env.assertNotEqual(self.res, expected, 1)
return self
def true(self):
self.env.assertTrue(self.res, 1)
return self
def false(self):
self.env.assertFalse(self.res, 1)
return self
def ok(self):
self.env.assertEqual(self.res, 'OK', 1)
return self
def contains(self, val):
self.env.assertContains(val, self.res, 1)
return self
def notContains(self, val):
self.env.assertNotContains(val, self.res, 1)
return self
def error(self):
self.env.assertTrue(self.errorRaised, 1)
return self
def noError(self):
self.env.assertFalse(self.errorRaised, 1)
return self
raiseError = genDeprecated('raiseError', error)
notRaiseError = genDeprecated('notRaiseError', noError)
class Defaults:
module = None
module_args = None
env = 'oss'
binary = 'redis-server'
proxy_binary = None
re_binary = None
re_libdir = None
decode_responses = False
use_aof = False
use_rdb_preamble = True
use_TLS = False
tls_cert_file = None
tls_key_file = None
tls_ca_cert_file = None
tls_passphrase = None
debugger = None
debug_print = False
debug_pause = False
no_capture_output = False
exit_on_failure = False
verbose = 0
logdir = None
use_slaves = False
num_shards = 1
external_addr = 'localhost:6379'
use_unix = False
randomize_ports = False
oss_password = None
cluster_node_timeout = None
curr_test_name = None
def getKwargs(self):
kwargs = {
'modulePath': self.module,
'moduleArgs': self.module_args,
'useSlaves': self.use_slaves,
'useAof': self.use_aof,
'useRdbPreamble': self.use_rdb_preamble,
'dbDirPath': self.logdir,
'debugger': self.debugger,
'noCatch': self.no_capture_output,
'verbose': self.verbose,
'useTLS': self.use_TLS,
'tlsCertFile': self.tls_cert_file,
'tlsKeyFile': self.tls_key_file,
'tlsCaCertFile': self.tls_ca_cert_file,
'tlsPassphrase': self.tls_passphrase,
'password': self.oss_password
}
return kwargs
class Env:
RTestInstance = None
EnvCompareParams = ['module', 'moduleArgs', 'env', 'useSlaves', 'shardsCount', 'useAof',
'useRdbPreamble', 'forceTcp']
def compareEnvs(self, env):
if env is None:
return False
for param in Env.EnvCompareParams:
if self.__dict__[param] != env.__dict__[param]:
return False
return True
def __init__(self, testName=None, testDescription=None, module=None,
moduleArgs=None, env=None, useSlaves=None, shardsCount=None, decodeResponses=None,
useAof=None, useRdbPreamble=None, forceTcp=False, useTLS=False, tlsCertFile=None, tlsKeyFile=None,
tlsCaCertFile=None, tlsPassphrase=None, logDir=None, redisBinaryPath=None, dmcBinaryPath=None,
redisEnterpriseBinaryPath=None, noDefaultModuleArgs=False, clusterNodeTimeout = None,
freshEnv=False):
self.testName = testName if testName else Defaults.curr_test_name
if self.testName is None:
self.testName = '%s.%s' % (inspect.getmodule(inspect.currentframe().f_back).__name__, inspect.currentframe().f_back.f_code.co_name)
self.testName = self.testName.replace(' ', '_')
if testDescription:
print(Colors.Gray('\tdescription: ' + testDescription))
self.module = fix_modules(module, Defaults.module)
if noDefaultModuleArgs:
self.moduleArgs = fix_modulesArgs(self.module, moduleArgs)
else:
self.moduleArgs = fix_modulesArgs(self.module, moduleArgs, Defaults.module_args)
self.env = env if env else Defaults.env
self.useSlaves = useSlaves if useSlaves else Defaults.use_slaves
self.shardsCount = shardsCount if shardsCount else Defaults.num_shards
self.decodeResponses = decodeResponses if decodeResponses else Defaults.decode_responses
self.useAof = useAof if useAof else Defaults.use_aof
self.useRdbPreamble = useRdbPreamble if useRdbPreamble is not None else Defaults.use_rdb_preamble
self.verbose = Defaults.verbose
self.logDir = logDir if logDir else Defaults.logdir
self.forceTcp = forceTcp
self.debugger = Defaults.debugger
self.useTLS = useTLS if useTLS else Defaults.use_TLS
self.tlsCertFile = tlsCertFile if tlsCertFile else Defaults.tls_cert_file
self.tlsKeyFile = tlsKeyFile if tlsKeyFile else Defaults.tls_key_file
self.tlsCaCertFile = tlsCaCertFile if tlsCaCertFile else Defaults.tls_ca_cert_file
self.tlsPassphrase = tlsPassphrase if tlsPassphrase else Defaults.tls_passphrase
self.redisBinaryPath = expandBinary(redisBinaryPath) if redisBinaryPath else Defaults.binary
self.dmcBinaryPath = expandBinary(dmcBinaryPath) if dmcBinaryPath else Defaults.proxy_binary
self.redisEnterpriseBinaryPath = expandBinary(redisEnterpriseBinaryPath) if redisEnterpriseBinaryPath else Defaults.re_binary
self.clusterNodeTimeout = clusterNodeTimeout if clusterNodeTimeout else Defaults.cluster_node_timeout
self.assertionFailedSummary = []
if (not freshEnv) and Env.RTestInstance and Env.RTestInstance.currEnv and self.compareEnvs(Env.RTestInstance.currEnv):
self.envRunner = Env.RTestInstance.currEnv.envRunner
else:
if Env.RTestInstance and Env.RTestInstance.currEnv:
Env.RTestInstance.currEnv.stop()
self.envRunner = self.getEnvByName()
try:
os.makedirs(self.logDir)
except Exception:
pass
self.start()
if self.verbose >= 2:
print(Colors.Blue('\tenv data:'))
self.envRunner.printEnvData('\t\t')
if Env.RTestInstance:
Env.RTestInstance.currEnv = self
if Defaults.debug_pause:
input('\tenv is up, attach to any process with gdb and press any button to continue.')
def getEnvByName(self):
verbose = False
kwargs = self.getEnvKwargs()
single_args = self.getSingleArgs()
test_fname = self.testName.replace(':', '_')
if self.env == 'oss':
kwargs.update(single_args)
kwargs['password'] = Defaults.oss_password
return StandardEnv(redisBinaryPath=self.redisBinaryPath,
outputFilesFormat='%s-' + '%s-oss' % test_fname,
**kwargs)
if self.env == 'enterprise':
kwargs.update(single_args)
kwargs['libPath'] = Defaults.re_libdir
return StandardEnv(redisBinaryPath=self.redisEnterpriseBinaryPath,
outputFilesFormat='%s-' + '%s-oss' % test_fname,
**kwargs)
if self.env == 'enterprise-cluster':
kwargs['libPath'] = Defaults.re_libdir
return EnterpriseClusterEnv(shardsCount=self.shardsCount,
redisBinaryPath=self.redisEnterpriseBinaryPath,
outputFilesFormat='%s-' + '%s-re-cluster' % test_fname,
dmcBinaryPath=Defaults.proxy_binary,
**kwargs)
if self.env == 'oss-cluster':
kwargs['password'] = Defaults.oss_password
return ClusterEnv(shardsCount=self.shardsCount, redisBinaryPath=self.redisBinaryPath,
outputFilesFormat='%s-' + '%s-oss-cluster' % test_fname,
randomizePorts=Defaults.randomize_ports,
**kwargs)
if self.env == 'existing-env':
return ExistsRedisEnv(addr=Defaults.external_addr, **kwargs)
if self.env == 'cluster_existing-env':
return EnterpriseRedisClusterEnv(addr = Defaults.external_addr, password = Defaults.internal_password,
shards_port=Defaults.shards_ports,
cluster_address = Defaults.cluster_address,
cluster_credentials= Defaults.cluster_credentials, **kwargs)
def getSingleArgs(self):
single_args = {}
if Defaults.randomize_ports:
single_args['port'] = 0
if Defaults.use_unix:
single_args['unix'] = True
if self.forceTcp and self.env != 'existing-env':
single_args['port'] = 0
single_args.pop('unix', None)
return single_args
def getEnvKwargs(self):
kwargs = {
'modulePath': self.module,
'moduleArgs': self.moduleArgs,
'useSlaves': self.useSlaves,
'decodeResponses': self.decodeResponses,
'useAof': self.useAof,
'useRdbPreamble': self.useRdbPreamble,
'dbDirPath': self.logDir,
'debugger': Defaults.debugger,
'noCatch': Defaults.no_capture_output,
'verbose': Defaults.verbose,
'useTLS': self.useTLS,
'tlsCertFile': self.tlsCertFile,
'tlsKeyFile': self.tlsKeyFile,
'tlsCaCertFile': self.tlsCaCertFile,
'clusterNodeTimeout': self.clusterNodeTimeout,
'tlsPassphrase': self.tlsPassphrase
}
return kwargs
def start(self, masters = True, slaves = True ):
self.envRunner.startEnv(masters, slaves)
self.con = self.getConnection()
def stop(self, masters = True, slaves = True):
self.envRunner.stopEnv(masters, slaves)
def getEnvStr(self):
return self.env
def getConnection(self, shardId=1):
return self.envRunner.getConnection(shardId)
def getClusterConnectionIfNeeded(self):
if isinstance(self.envRunner, ClusterEnv):
return self.envRunner.getClusterConnection()
elif isinstance(self.envRunner, EnterpriseRedisClusterEnv):
return self.envRunner.getClusterConnection()
else:
return self.getConnection()
def getSlaveConnection(self):
return self.envRunner.getSlaveConnection()
# List of nodes that initial bootstrapping can be done from
def getMasterNodesList(self):
return self.envRunner.getMasterNodesList()
# List containing a connection for each of the master nodes
def getOSSMasterNodesConnectionList(self):
return self.envRunner.getOSSMasterNodesConnectionList()
def getConnectionByKey(self, key, command):
return self.envRunner.getConnectionByKey(key, command)
def flush(self):
self.envRunner.flush()
def isCluster(self):
return 'cluster' in self.env or os.getenv("RLEC_CLUSTER") == "1"
def isEnterpiseCluster(self):
return isinstance(self.envRunner, EnterpriseRedisClusterEnv)
def isDebugger(self):
return self.debugger is not None
def _getCallerPosition(self, back_frames):
frame = inspect.currentframe()
while frame and back_frames > 0:
back_frames -= 1
frame = frame.f_back
if frame:
return '%s:%s' % (
os.path.basename(frame.f_code.co_filename),
frame.f_lineno)
def _assertion(self, checkStr, trueValue, depth=0, message=None):
basemsg = Colors.Yellow(checkStr) + '\t' + Colors.Gray(self._getCallerPosition(3 + depth))
if message:
basemsg += ' [{}]'.format(message)
if trueValue and self.verbose:
print('\t' + Colors.Green('✅ (OK):\t') + basemsg)
elif not trueValue:
failureSummary = Colors.Bred('❌ (FAIL):\t') + basemsg
print('\t' + failureSummary)
if Defaults.exit_on_failure:
raise TestAssertionFailure('Assertion Failed!')
self.assertionFailedSummary.append(failureSummary)
def getNumberOfFailedAssertion(self):
return len(self.assertionFailedSummary)
def assertEqual(self, first, second, depth=0, message=None):
self._assertion('%s == %s' % (repr(first), repr(second)), first == second, depth, message=message)
def assertNotEqual(self, first, second, depth=0, message=None):
self._assertion('%s != %s' % (repr(first), repr(second)), first != second, depth, message=message)
def assertOk(self, val, depth=0, message=None):
self.assertEqual(val, 'OK', depth + 1, message=message)
def assertTrue(self, val, depth=0, message=None):
self.assertEqual(bool(val), True, depth + 1, message=message)
def assertFalse(self, val, depth=0, message=None):
self.assertEqual(bool(val), False, depth + 1, message=message)
def assertContains(self, value, holder, depth=0):
self._assertion('%s should contain %s' % (repr(holder), repr(value)), value in holder, depth)
def assertNotContains(self, value, holder, depth=0):
self._assertion('%s should not contain %s' % (repr(holder), repr(value)), value not in holder, depth)
def assertGreaterEqual(self, value1, value2, depth=0):
self._assertion('%s >= %s' % (repr(value1), repr(value2)), value1 >= value2, depth)
def assertGreater(self, value1, value2, depth=0):
self._assertion('%s > %s' % (repr(value1), repr(value2)), value1 > value2, depth)
def assertLessEqual(self, value1, value2, depth=0):
self._assertion('%s <= %s' % (repr(value1), repr(value2)), value1 <= value2, depth)
def assertLess(self, value1, value2, depth=0):
self._assertion('%s < %s' % (repr(value1), repr(value2)), value1 < value2, depth)
def assertIsNotNone(self, value, depth=0):
self._assertion('%s is not None' % (repr(value)), value is not None, depth)
def assertIsNone(self, value, depth=0):
self._assertion('%s is None' % (repr(value)), value is None, depth)
def assertIsInstance(self, value, instance, depth=0):
self._assertion('%s instance of %s' % (repr(value), repr(instance)), isinstance(value, instance), depth)
def assertAlmostEqual(self, value1, value2, delta, depth=0):
self._assertion('%s almost equels %s (delta %s)' % (repr(value1), repr(value2), repr(delta)), abs(value1 - value2) <= delta, depth)
def expect(self, *query):
return Query(self, *query)
def cmd(self, *query):
res = self.con.execute_command(*query)
self.debugPrint('query: %s, result: %s' % (repr(query), repr(res)))
return res
def assertCmdOk(self, cmd, *args, **kwargs):
self.assertOk(self.cmd(cmd, *args, **kwargs))
def exists(self, val):
warnings.warn("Exists is deprecated, use cmd instead", DeprecationWarning)
return self.envRunner.exists(val)
def assertExists(self, val, depth=0):
warnings.warn("AssertExists is deprecated, use cmd instead", DeprecationWarning)
self._assertion('%s exists in db' % repr(val), self.con.exists(val), depth=0)
def executeCommand(self, *query):
warnings.warn("execute_command is deprecated, use cmd instead", DeprecationWarning)
return self.cmd(*query)
def reloadingIterator(self):
yield 1
self.dumpAndReload()
yield 2
def dumpAndReload(self, restart=False, shardId=None, timeout_sec=40):
self.envRunner.dumpAndReload(restart=restart, shardId=shardId, timeout_sec=timeout_sec)
def hmset(self, *args):
warnings.warn("hmset is deprecated, use Cmd instead", DeprecationWarning)
return self.envRunner.hmset(*args)
def keys(self, reg):
warnings.warn("keys is deprecated, use Cmd instead", DeprecationWarning)
return self.envRunner.keys(reg)
def assertRaises(self, var1, var2, *query):
warnings.warn("assertRaises is deprecated, use Expect + RaiseError instead", DeprecationWarning)
self.expect(*query).raiseError()
@contextlib.contextmanager
def assertResponseError(self, msg=None, contained=None):
"""
Assert that a context block with a redis command triggers a redis error response.
For Example:
with self.assertResponseError():
r.execute_command('non_existing_command')
"""
warnings.warn("assertResponseError is deprecated, use Expect + RaiseError instead", DeprecationWarning)
try:
yield 1
except Exception as e:
if contained:
self.assertContains(contained, str(e), depth=2)
self._assertion('Expected Response Error', True, depth=1)
else:
self._assertion('Expected Response Error', False, depth=1)
def restartAndReload(self, shardId=None, timeout_sec=40):
self.dumpAndReload(restart=True, shardId=shardId, timeout_sec=timeout_sec)
def broadcast(self, *cmd):
self.envRunner.broadcast(*cmd)
def debugPrint(self, msg, force=False):
if Defaults.debug_print or force:
print('\t' + Colors.Bold('debug:\t') + Colors.Gray(msg))
def checkExitCode(self):
return self.envRunner.checkExitCode()
def isUp(self):
return self.envRunner.isUp()
def isHealthy(self):
return self.envRunner.isHealthy()
def skip(self):
raise unittest.SkipTest()
def skipOnDebugger(self):
if self.isDebugger():
self.skip()
def skipOnCluster(self):
if self.isCluster():
self.skip()
def skipOnAOF(self):
if self.useAof:
self.skip()
def skipOnSlave(self):
if self.useSlaves:
self.skip()
def skipOnVersionSmaller(self, _version):
res = self.con.execute_command('INFO')
if(version.parse(res['redis_version']) < version.parse(_version)):
self.skip() # copy exists only from version 6
def isUnixSocket(self):
return self.envRunner.isUnixSocket()
def isTcp(self):
return self.envRunner.isTcp()
def skipOnTcp(self):
if self.isTcp():
self.skip()
def skipOnUnixSocket(self):
if self.isUnixSocket():
self.skip()
def skipOnEnterpriseCluster(self):
if self.isEnterpiseCluster():
self.skip()
_mm = {
'assertEquals': assertEqual,
'assertListEqual': assertEqual,
'retry_with_reload': reloadingIterator,
'retry_with_rdb_reload': reloadingIterator,
'reloading_iterator': reloadingIterator,
'dump_and_reload': dumpAndReload,
'restart_and_reload': restartAndReload,
'execute_command': cmd,
'assertIn': assertContains,
'assertNotIn': assertNotContains,
'is_cluster': isCluster,
'is_enterprise_redis_clusterEnv':isEnterpiseCluster
}
for k, v in _mm.items():
locals().update({k:genDeprecated(k, v)})