spaCy/spacy/tests/pipeline/test_morphologizer.py
adrianeboyd b71a11ff6d
Update morphologizer (#5108)
* Add pos and morph scoring to Scorer

Add pos, morph, and morph_per_type to `Scorer`. Report pos and morph
accuracy in `spacy evaluate`.

* Update morphologizer for v3

* switch to tagger-based morphologizer
* use `spacy.HashCharEmbedCNN` for morphologizer defaults
* add `Doc.is_morphed` flag

* Add morphologizer to train CLI

* Add basic morphologizer pipeline tests

* Add simple morphologizer training example

* Remove subword_features from CharEmbed models

Remove `subword_features` argument from `spacy.HashCharEmbedCNN.v1` and
`spacy.HashCharEmbedBiLSTM.v1` since in these cases `subword_features`
is always `False`.

* Rename setting in morphologizer example

Use `with_pos_tags` instead of `without_pos_tags`.

* Fix kwargs for spacy.HashCharEmbedBiLSTM.v1

* Remove defaults for spacy.HashCharEmbedBiLSTM.v1

Remove default `nM/nC` for `spacy.HashCharEmbedBiLSTM.v1`.

* Set random seed for textcat overfitting test
2020-04-02 14:46:32 +02:00

50 lines
1.7 KiB
Python

import pytest
from spacy import util
from spacy.lang.en import English
from spacy.language import Language
from spacy.tests.util import make_tempdir
def test_label_types():
nlp = Language()
nlp.add_pipe(nlp.create_pipe("morphologizer"))
nlp.get_pipe("morphologizer").add_label("Feat=A")
with pytest.raises(ValueError):
nlp.get_pipe("morphologizer").add_label(9)
TRAIN_DATA = [
("I like green eggs", {"morphs": ["Feat=N", "Feat=V", "Feat=J", "Feat=N"], "pos": ["NOUN", "VERB", "ADJ", "NOUN"]}),
("Eat blue ham", {"morphs": ["Feat=V", "Feat=J", "Feat=N"], "pos": ["VERB", "ADJ", "NOUN"]}),
]
def test_overfitting_IO():
# Simple test to try and quickly overfit the morphologizer - ensuring the ML models work correctly
nlp = English()
morphologizer = nlp.create_pipe("morphologizer")
for inst in TRAIN_DATA:
for morph, pos in zip(inst[1]["morphs"], inst[1]["pos"]):
morphologizer.add_label(morph + "|POS=" + pos)
nlp.add_pipe(morphologizer)
optimizer = nlp.begin_training()
for i in range(50):
losses = {}
nlp.update(TRAIN_DATA, sgd=optimizer, losses=losses)
assert losses["morphologizer"] < 0.00001
# test the trained model
test_text = "I like blue eggs"
doc = nlp(test_text)
gold_morphs = ["Feat=N|POS=NOUN", "Feat=V|POS=VERB", "Feat=J|POS=ADJ", "Feat=N|POS=NOUN"]
assert gold_morphs == [t.morph_ for t in doc]
# Also test the results are still the same after IO
with make_tempdir() as tmp_dir:
nlp.to_disk(tmp_dir)
nlp2 = util.load_model_from_path(tmp_dir)
doc2 = nlp2(test_text)
assert gold_morphs == [t.morph_ for t in doc2]