spaCy/spacy/tests/parser/_search.pyx
2023-07-19 17:41:29 +02:00

126 lines
3.5 KiB
Cython

# cython: infer_types=True, binding=True
from cymem.cymem cimport Pool
from spacy.pipeline._parser_internals.search cimport Beam, MaxViolation
from spacy.typedefs cimport class_t
import pytest
from ..conftest import cytest
cdef struct TestState:
int length
int x
Py_UNICODE* string
cdef int transition(void* dest, void* src, class_t clas, void* extra_args) except -1:
dest_state = <TestState*>dest
src_state = <TestState*>src
dest_state.length = src_state.length
dest_state.x = src_state.x
dest_state.x += clas
if extra_args != NULL:
dest_state.string = <Py_UNICODE*>extra_args
else:
dest_state.string = src_state.string
cdef void* initialize(Pool mem, int n, void* extra_args) except NULL:
state = <TestState*>mem.alloc(1, sizeof(TestState))
state.length = n
state.x = 1
if extra_args == NULL:
state.string = u'default'
else:
state.string = <Py_UNICODE*>extra_args
return state
cdef int destroy(Pool mem, void* state, void* extra_args) except -1:
state = <TestState*>state
mem.free(state)
@cytest
@pytest.mark.parametrize("nr_class,beam_width",
[
(2, 3),
(3, 6),
(4, 20),
]
)
def test_init(nr_class, beam_width):
b = Beam(nr_class, beam_width)
assert b.size == 1
assert b.width == beam_width
assert b.nr_class == nr_class
@cytest
def test_init_violn():
MaxViolation()
@cytest
@pytest.mark.parametrize("nr_class,beam_width,length",
[
(2, 3, 3),
(3, 6, 15),
(4, 20, 32),
]
)
def test_initialize(nr_class, beam_width, length):
b = Beam(nr_class, beam_width)
b.initialize(initialize, destroy, length, NULL)
for i in range(b.width):
s = <TestState*>b.at(i)
assert s.length == length, s.length
assert s.string == 'default'
@cytest
@pytest.mark.parametrize("nr_class,beam_width,length,extra",
[
(2, 3, 4, None),
(3, 6, 15, u"test beam 1"),
]
)
def test_initialize_extra(nr_class, beam_width, length, extra):
b = Beam(nr_class, beam_width)
if extra is None:
b.initialize(initialize, destroy, length, NULL)
else:
b.initialize(initialize, destroy, length, <void*><Py_UNICODE*>extra)
for i in range(b.width):
s = <TestState*>b.at(i)
assert s.length == length
@cytest
@pytest.mark.parametrize("nr_class,beam_width,length",
[
(3, 6, 15),
(4, 20, 32),
]
)
def test_transition(nr_class, beam_width, length):
b = Beam(nr_class, beam_width)
b.initialize(initialize, destroy, length, NULL)
b.set_cell(0, 2, 30, True, 0)
b.set_cell(0, 1, 42, False, 0)
b.advance(transition, NULL, NULL)
assert b.size == 1, b.size
assert b.score == 30, b.score
s = <TestState*>b.at(0)
assert s.x == 3
assert b._states[0].score == 30, b._states[0].score
b.set_cell(0, 1, 10, True, 0)
b.set_cell(0, 2, 20, True, 0)
b.advance(transition, NULL, NULL)
assert b._states[0].score == 50, b._states[0].score
assert b._states[1].score == 40
s = <TestState*>b.at(0)
assert s.x == 5