class UserMessageIteratorSeekBeginningTestCase(unittest.TestCase):
+ def test_can_seek_beginning_without_seek_beginning(self):
+ with self.assertRaisesRegex(
+ bt2._IncompleteUserClass,
+ "cannot create component class 'MySource': message iterator class implements _user_can_seek_beginning but not _user_seek_beginning",
+ ):
+ _setup_seek_test(SimpleSink, user_can_seek_beginning=lambda: None)
+
def test_can_seek_beginning(self):
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
return input_port_iter_can_seek_beginning
graph = _setup_seek_test(
- MySink, user_can_seek_beginning=_user_can_seek_beginning
+ MySink,
+ user_can_seek_beginning=_user_can_seek_beginning,
+ user_seek_beginning=lambda: None,
)
input_port_iter_can_seek_beginning = True
raise ValueError('moustiquaire')
graph = _setup_seek_test(
- MySink, user_can_seek_beginning=_user_can_seek_beginning
+ MySink,
+ user_can_seek_beginning=_user_can_seek_beginning,
+ user_seek_beginning=lambda: None,
)
with self.assertRaises(bt2._Error) as ctx:
return 'Amqui'
graph = _setup_seek_test(
- MySink, user_can_seek_beginning=_user_can_seek_beginning
+ MySink,
+ user_can_seek_beginning=_user_can_seek_beginning,
+ user_seek_beginning=lambda: None,
)
with self.assertRaises(bt2._Error) as ctx:
class UserMessageIteratorSeekNsFromOriginTestCase(unittest.TestCase):
+ def test_can_seek_ns_from_origin_without_seek_ns_from_origin(self):
+ # Test the case where:
+ #
+ # - can_seek_ns_from_origin: Returns True (don't really care, as long
+ # as it's provided)
+ # - seek_ns_from_origin provided: No
+ # - can the iterator seek beginning: Don't care
+ # - can the iterator seek forward: Don't care
+ for can_seek_ns_from_origin in (False, True):
+ for iter_can_seek_beginning in (False, True):
+ for iter_can_seek_forward in (False, True):
+ with self.assertRaisesRegex(
+ bt2._IncompleteUserClass,
+ "cannot create component class 'MySource': message iterator class implements _user_can_seek_ns_from_origin but not _user_seek_ns_from_origin",
+ ):
+ self._can_seek_ns_from_origin_test(
+ None,
+ user_can_seek_ns_from_origin_ret_val=True,
+ user_seek_ns_from_origin_provided=False,
+ iter_can_seek_beginning=iter_can_seek_beginning,
+ iter_can_seek_forward=iter_can_seek_forward,
+ )
+
def test_can_seek_ns_from_origin_returns_true(self):
# Test the case where:
#
# - can_seek_ns_from_origin: returns True
- # - seek_ns_from_origin provided: Don't care
+ # - seek_ns_from_origin provided: Yes
# - can the iterator seek beginning: Don't care
# - can the iterator seek forward: Don't care
#
# We expect iter.can_seek_ns_from_origin to return True.
- for user_seek_ns_from_origin_provided in (False, True):
- for iter_can_seek_beginning in (False, True):
- for iter_can_seek_forward in (False, True):
- self._can_seek_ns_from_origin_test(
- expected_outcome=True,
- user_can_seek_ns_from_origin_ret_val=True,
- user_seek_ns_from_origin_provided=user_seek_ns_from_origin_provided,
- iter_can_seek_beginning=iter_can_seek_beginning,
- iter_can_seek_forward=iter_can_seek_forward,
- )
+ for iter_can_seek_beginning in (False, True):
+ for iter_can_seek_forward in (False, True):
+ self._can_seek_ns_from_origin_test(
+ expected_outcome=True,
+ user_can_seek_ns_from_origin_ret_val=True,
+ user_seek_ns_from_origin_provided=True,
+ iter_can_seek_beginning=iter_can_seek_beginning,
+ iter_can_seek_forward=iter_can_seek_forward,
+ )
def test_can_seek_ns_from_origin_returns_false_can_seek_beginning_forward_seekable(
- self
+ self,
):
# Test the case where:
#
# - can_seek_ns_from_origin: returns False
- # - seek_ns_from_origin provided: Don't care
+ # - seek_ns_from_origin provided: Yes
# - can the iterator seek beginning: Yes
# - can the iterator seek forward: Yes
#
# We expect iter.can_seek_ns_from_origin to return True.
- for user_seek_ns_from_origin_provided in (False, True):
- self._can_seek_ns_from_origin_test(
- expected_outcome=True,
- user_can_seek_ns_from_origin_ret_val=False,
- user_seek_ns_from_origin_provided=user_seek_ns_from_origin_provided,
- iter_can_seek_beginning=True,
- iter_can_seek_forward=True,
- )
+ self._can_seek_ns_from_origin_test(
+ expected_outcome=True,
+ user_can_seek_ns_from_origin_ret_val=False,
+ user_seek_ns_from_origin_provided=True,
+ iter_can_seek_beginning=True,
+ iter_can_seek_forward=True,
+ )
def test_can_seek_ns_from_origin_returns_false_can_seek_beginning_not_forward_seekable(
- self
+ self,
):
# Test the case where:
#
# - can_seek_ns_from_origin: returns False
- # - seek_ns_from_origin provided: Don't care
+ # - seek_ns_from_origin provided: Yes
# - can the iterator seek beginning: Yes
# - can the iterator seek forward: No
#
# We expect iter.can_seek_ns_from_origin to return False.
- for user_seek_ns_from_origin_provided in (False, True):
- self._can_seek_ns_from_origin_test(
- expected_outcome=False,
- user_can_seek_ns_from_origin_ret_val=False,
- user_seek_ns_from_origin_provided=user_seek_ns_from_origin_provided,
- iter_can_seek_beginning=True,
- iter_can_seek_forward=False,
- )
+ self._can_seek_ns_from_origin_test(
+ expected_outcome=False,
+ user_can_seek_ns_from_origin_ret_val=False,
+ user_seek_ns_from_origin_provided=True,
+ iter_can_seek_beginning=True,
+ iter_can_seek_forward=False,
+ )
def test_can_seek_ns_from_origin_returns_false_cant_seek_beginning_forward_seekable(
- self
+ self,
):
# Test the case where:
#
# - can_seek_ns_from_origin: returns False
- # - seek_ns_from_origin provided: Don't care
+ # - seek_ns_from_origin provided: Yes
# - can the iterator seek beginning: No
# - can the iterator seek forward: Yes
#
# We expect iter.can_seek_ns_from_origin to return False.
- # for user_seek_ns_from_origin_provided in (False, True):
self._can_seek_ns_from_origin_test(
expected_outcome=False,
user_can_seek_ns_from_origin_ret_val=False,
- user_seek_ns_from_origin_provided=False,
+ user_seek_ns_from_origin_provided=True,
iter_can_seek_beginning=False,
iter_can_seek_forward=True,
)
def test_can_seek_ns_from_origin_returns_false_cant_seek_beginning_not_forward_seekable(
- self
+ self,
):
# Test the case where:
#
# - can_seek_ns_from_origin: returns False
- # - seek_ns_from_origin provided: Don't care
+ # - seek_ns_from_origin provided: Yes
# - can the iterator seek beginning: No
# - can the iterator seek forward: No
#
# We expect iter.can_seek_ns_from_origin to return False.
- for user_seek_ns_from_origin_provided in (False, True):
- self._can_seek_ns_from_origin_test(
- expected_outcome=False,
- user_can_seek_ns_from_origin_ret_val=False,
- user_seek_ns_from_origin_provided=user_seek_ns_from_origin_provided,
- iter_can_seek_beginning=False,
- iter_can_seek_forward=False,
- )
+ self._can_seek_ns_from_origin_test(
+ expected_outcome=False,
+ user_can_seek_ns_from_origin_ret_val=False,
+ user_seek_ns_from_origin_provided=True,
+ iter_can_seek_beginning=False,
+ iter_can_seek_forward=False,
+ )
def test_no_can_seek_ns_from_origin_seek_ns_from_origin(self):
# Test the case where:
)
def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_can_seek_beginning_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_can_seek_beginning_not_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_cant_seek_beginning_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_cant_seek_beginning_not_forward_seekable(
- self
+ self,
):
# Test the case where:
#
raise ValueError('Joutel')
graph = _setup_seek_test(
- MySink, user_can_seek_ns_from_origin=_user_can_seek_ns_from_origin
+ MySink,
+ user_can_seek_ns_from_origin=_user_can_seek_ns_from_origin,
+ user_seek_ns_from_origin=lambda: None,
)
with self.assertRaises(bt2._Error) as ctx:
return 'Nitchequon'
graph = _setup_seek_test(
- MySink, user_can_seek_ns_from_origin=_user_can_seek_ns_from_origin
+ MySink,
+ user_can_seek_ns_from_origin=_user_can_seek_ns_from_origin,
+ user_seek_ns_from_origin=lambda: None,
)
with self.assertRaises(bt2._Error) as ctx: