# Path: vizier/pyvizier/shared/common.py
# M = TypeVar('M', bound=Message)
# T = TypeVar('T')
# def _parse(arg: str) -> Tuple[str, ...]:
#   def __init__(self, arg: Union[str, Iterable[str]] = ''):
#   def __len__(self) -> int:
#   def __add__(self, other: Iterable[str]) -> 'Namespace':
#   def __iter__(self):
#   def __str__(self) -> str:
#   def __repr__(self) -> str:
#   def __init__(
#       self,
#       *args: Union[Dict[str, MetadataValue],
#                    Iterable[Tuple[str, MetadataValue]]],
#       **kwargs: MetadataValue):
#   def abs_ns(self, namespace: Union[str, Namespace] = '') -> 'Metadata':
#   def ns(self, namespace: str) -> 'Metadata':
#   def __repr__(self) -> str:
#   def __str__(self) -> str:
#   def get_proto(self, key: str, *, cls: Type[M]) -> Optional[M]:
#   def get(self,
#           key: str,
#           default: Optional[T] = None,
#           *,
#           cls: Type[T] = str) -> Optional[T]:
#   def namespaces(self) -> Tuple[Namespace, ...]:
#   def __getitem__(self, key: str) -> MetadataValue:
#   def __setitem__(self, key: str, value: MetadataValue):
#   def __delitem__(self, key: str):
#   def __iter__(self):
#   def __len__(self):
#   def __copy__(self) -> 'Metadata':
#   def _copy_core(self, ns: Namespace) -> 'Metadata':
#   def update(
#       self,
#       *args: Union[Dict[str, MetadataValue],
#                    Iterable[Tuple[str, MetadataValue]]],
#       **kwargs: MetadataValue) -> None:
# class Namespace:
# class _MetadataSingleNameSpace(Dict[str, MetadataValue]):
# class Metadata(abc.MutableMapping):


import copy
from vizier.pyvizier.shared import common
from google.protobuf import any_pb2
from google.protobuf import duration_pb2
from absl.testing import absltest
    self.assertEqual(repr(n2), repr(n2s1))
    n2s2 = common.Namespace(':a78:bfe')
    self.assertLen(n2s2, 2)
    self.assertEqual(repr(n2), repr(n2s2))
    self.assertEqual(n2, n2s2)
    self.assertEqual(n2s1, n2s2)
    ns = common.Namespace(('a', 'b'))
    self.assertLen(ns, 2)
    self.assertEqual(tuple(ns), ('a', 'b'))
    self.assertEqual(str(ns), 'a:b')
    self.assertEqual(repr(ns), 'a:b')

  def test_escape(self):
    ns1 = common.Namespace('a|A')
    self.assertLen(ns1, 1)
    self.assertEqual(str(ns1), 'a|A')
    self.assertEqual(repr(ns1), 'a||A')
    self.assertEqual(common.Namespace(repr(ns1)), ns1)
    #
    ns2 = common.Namespace('b:B')
    self.assertLen(ns2, 2)
    self.assertEqual(str(ns2), 'b:B')
    self.assertEqual(repr(ns2), 'b:B')
    self.assertEqual(common.Namespace(repr(ns2)), ns2)
    ns2 = common.Namespace(':b:B')
    self.assertLen(ns2, 2)
    self.assertEqual(str(ns2), 'b:B')
    self.assertEqual(repr(ns2), 'b:B')
    self.assertEqual(common.Namespace(repr(ns2)), ns2)
    #

# Path: vizier/pyvizier/shared/common.py
# M = TypeVar('M', bound=Message)
# T = TypeVar('T')
# def _parse(arg: str) -> Tuple[str, ...]:
#   def __init__(self, arg: Union[str, Iterable[str]] = ''):
#   def __len__(self) -> int:
#   def __add__(self, other: Iterable[str]) -> 'Namespace':
#   def __iter__(self):
#   def __str__(self) -> str:
#   def __repr__(self) -> str:
#   def __init__(
#       self,
#       *args: Union[Dict[str, MetadataValue],
#                    Iterable[Tuple[str, MetadataValue]]],
#       **kwargs: MetadataValue):
#   def abs_ns(self, namespace: Union[str, Namespace] = '') -> 'Metadata':
#   def ns(self, namespace: str) -> 'Metadata':
#   def __repr__(self) -> str:
#   def __str__(self) -> str:
#   def get_proto(self, key: str, *, cls: Type[M]) -> Optional[M]:
#   def get(self,
#           key: str,
#           default: Optional[T] = None,
#           *,
#           cls: Type[T] = str) -> Optional[T]:
#   def namespaces(self) -> Tuple[Namespace, ...]:
#   def __getitem__(self, key: str) -> MetadataValue:
#   def __setitem__(self, key: str, value: MetadataValue):
#   def __delitem__(self, key: str):
#   def __iter__(self):
#   def __len__(self):
#   def __copy__(self) -> 'Metadata':
#   def _copy_core(self, ns: Namespace) -> 'Metadata':
#   def update(
#       self,
#       *args: Union[Dict[str, MetadataValue],
#                    Iterable[Tuple[str, MetadataValue]]],
#       **kwargs: MetadataValue) -> None:
# class Namespace:
# class _MetadataSingleNameSpace(Dict[str, MetadataValue]):
# class Metadata(abc.MutableMapping):


# Path: vizier/pyvizier/shared/common_test.py
import copy
from vizier.pyvizier.shared import common
from google.protobuf import any_pb2
from google.protobuf import duration_pb2
from absl.testing import absltest

    self.assertEqual(repr(n2), repr(n2s1))
    n2s2 = common.Namespace(':a78:bfe')
    self.assertLen(n2s2, 2)
    self.assertEqual(repr(n2), repr(n2s2))
    self.assertEqual(n2, n2s2)
    self.assertEqual(n2s1, n2s2)
    ns = common.Namespace(('a', 'b'))
    self.assertLen(ns, 2)
    self.assertEqual(tuple(ns), ('a', 'b'))
    self.assertEqual(str(ns), 'a:b')
    self.assertEqual(repr(ns), 'a:b')

  def test_escape(self):
    ns1 = common.Namespace('a|A')
    self.assertLen(ns1, 1)
    self.assertEqual(str(ns1), 'a|A')
    self.assertEqual(repr(ns1), 'a||A')
    self.assertEqual(common.Namespace(repr(ns1)), ns1)
    #
    ns2 = common.Namespace('b:B')
    self.assertLen(ns2, 2)
    self.assertEqual(str(ns2), 'b:B')
    self.assertEqual(repr(ns2), 'b:B')
    self.assertEqual(common.Namespace(repr(ns2)), ns2)
    ns2 = common.Namespace(':b:B')
    self.assertLen(ns2, 2)
    self.assertEqual(str(ns2), 'b:B')
    self.assertEqual(repr(ns2), 'b:B')
    self.assertEqual(common.Namespace(repr(ns2)), ns2)
    #

    ns1e1 = common.Namespace(':b|B')