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# Copyright Jiaqi Liu
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
import yaml
from huggingface.german_parser import get_declension_attributes
from huggingface.vocabulary_parser import GERMAN
from huggingface.vocabulary_parser import get_attributes
from huggingface.vocabulary_parser import get_definition_tokens
from huggingface.vocabulary_parser import get_definitions
from huggingface.vocabulary_parser import get_inferred_links
from huggingface.vocabulary_parser import get_inferred_tokenization_links
from huggingface.vocabulary_parser import get_inflection_tokens
from huggingface.vocabulary_parser import get_structurally_similar_links
from huggingface.vocabulary_parser import get_term_tokens
from huggingface.vocabulary_parser import is_structurally_similar
UNKOWN_DECLENSION_NOUN_YAML = """
term: die Grilltomate
definition: the grilled tomato
declension: Unknown
"""
LABEL_KEY = "label"
class TestVocabularyParser(unittest.TestCase):
def test_get_definitions(self):
self.assertEqual(
[("adj.", "same"), ("adv.", "namely"), (None, "because")],
get_definitions({
"definition": ["(adj.) same", "(adv.) namely", "because"]
}),
)
def test_single_definition_term(self):
self.assertEqual(
[(None, "one")],
get_definitions({
"definition": "one"
}),
)
def test_numerical_definition(self):
self.assertEqual(
[(None, "1")],
get_definitions({
"definition": 1
}),
)
def test_missing_definition(self):
with self.assertRaises(ValueError):
get_definitions({"defintion": "I'm 23 years old."})
def test_get_attributes_basic(self):
self.assertEqual(
{"label": "der Hut", "language": "German"},
get_attributes({"term": "der Hut", "definition": "the hat"}, GERMAN, LABEL_KEY),
)
def test_get_attributes_with_custom_inflection(self):
self.assertEqual(
{"label": "der Hut", "language": "German", "inflection": {"declension": "..."}},
get_attributes(
{
"term": "der Hut",
"definition": "the hat",
"inflection": {"declension": "...", "inflection": None}
},
GERMAN,
LABEL_KEY,
lambda word: {"inflection": {"declension": "..."}}
),
)
def test_get_attributes_with_audio(self):
self.assertEqual(
{
"label": "der Hut",
"language": "German",
"audio": "https://upload.wikimedia.org/wikipedia/commons/e/e9/De-Hut.ogg"
},
get_attributes(
{
"term": "der Hut",
"definition": "the hat",
"audio": "https://upload.wikimedia.org/wikipedia/commons/e/e9/De-Hut.ogg"
},
GERMAN,
LABEL_KEY
),
)
def test_get_inferred_links_on_unrelated_terms(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: der Beruf
definition: job
declension:
- ["", singular, plural ]
- [nominative, Beruf, Berufe ]
- [genitive, "Berufes, Berufs", Berufe ]
- [dative, Beruf, Berufen]
- [accusative, Beruf, Berufe ]
- term: der Qualitätswein
definition: The vintage wine
declension:
- ["", singular, plural ]
- [nominative, Qualitätswein, Qualitätsweine ]
- [genitive, "Qualitätsweines, Qualitätsweins", Qualitätsweine ]
- [dative, Qualitätswein, Qualitätsweinen]
- [accusative, Qualitätswein, Qualitätsweine ]
""")["vocabulary"]
label_key = LABEL_KEY
self.assertEqual(
[],
get_inferred_links(vocabulary, label_key, get_declension_attributes)
)
def test_get_inferred_links_on_unrelated_terms_with_same_definite_article(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: die Biographie
definition: (alternative spelling of) die Biografie
declension:
- ["", singular, plural ]
- [nominative, Biographie, Biographien]
- [genitive, Biographie, Biographien]
- [dative, Biographie, Biographien]
- [accusative, Biographie, Biographien]
- term: die Mittagspause
definition: the lunchbreak
declension:
- ["", singular, plural ]
- [nominative, Mittagspause, Mittagspausen]
- [genitive, Mittagspause, Mittagspausen]
- [dative, Mittagspause, Mittagspausen]
- [accusative, Mittagspause, Mittagspausen]
""")["vocabulary"] # "die Biographie" has "die" in its definition
label_key = LABEL_KEY
self.assertEqual(
[],
get_inferred_links(vocabulary, label_key, get_declension_attributes)
)
def test_get_definition_tokens(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: morgens
definition:
- (adv.) in the morning
- (adv.) a.m.
""")["vocabulary"]
self.assertEqual(
{"morning", "a.m."},
get_definition_tokens(vocabulary[0])
)
def test_get_term_tokens(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: Viertel vor sieben
definition: (clock time) a quarter before eight
""")["vocabulary"]
self.assertEqual(
{"sieben", "vor", "viertel"},
get_term_tokens(vocabulary[0])
)
def test_get_term_tokens_do_not_include_indefinite_articles(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: der Brief
- term: die Biographie
- term: das Jahr
""")["vocabulary"]
self.assertEqual({"brief"}, get_term_tokens(vocabulary[0]))
self.assertEqual({"biographie"}, get_term_tokens(vocabulary[1]))
self.assertEqual({"jahr"}, get_term_tokens(vocabulary[2]))
def test_get_declension_tokens(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: das Jahr
definition: the year
declension:
- ["", singular, plural ]
- [nominative, Jahr, "Jahre, Jahr" ]
- [genitive, "Jahres, Jahrs", "Jahre, Jahr" ]
- [dative, Jahr, "Jahren, Jahr"]
- [accusative, Jahr, "Jahre, Jahr" ]
""")["vocabulary"]
self.assertEqual(
{"jahres", "jahre", "jahr", "jahren", "jahrs"},
get_inflection_tokens(vocabulary[0], get_declension_attributes)
)
def test_two_words_shring_some_same_declension_table_entries(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: die Reise
definition: the travel
declension:
- ["", singular, plural]
- [nominative, Reise, Reisen]
- [genitive, Reise, Reisen]
- [dative, Reise, Reisen]
- [accusative, Reise, Reisen]
- term: der Reis
definition: the rice
declension:
- ["", singular, plural]
- [nominative, Reis, Reise ]
- [genitive, Reises, Reise ]
- [dative, Reis, Reisen]
- [accusative, Reis, Reise ]
""")["vocabulary"]
self.assertEqual(
[
{
'attributes': {LABEL_KEY: 'term related'},
'source_label': 'die Reise',
'target_label': 'der Reis'
}
],
get_inferred_tokenization_links(vocabulary, LABEL_KEY, get_declension_attributes)
)
def test_get_inferred_tokenization_links(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: das Jahr
definition: the year
declension:
- ["", singular, plural ]
- [nominative, Jahr, "Jahre, Jahr" ]
- [genitive, "Jahres, Jahrs", "Jahre, Jahr" ]
- [dative, Jahr, "Jahren, Jahr"]
- [accusative, Jahr, "Jahre, Jahr" ]
- term: seit zwei Jahren
definition: for two years
- term: letzte
definition: (adj.) last
- term: in den letzten Jahren
definition: in recent years
""")["vocabulary"]
self.assertEqual(
[
{
'attributes': {LABEL_KEY: 'term related'},
'source_label': 'seit zwei Jahren',
'target_label': 'das Jahr'
},
{
'attributes': {LABEL_KEY: 'term related'},
'source_label': 'seit zwei Jahren',
'target_label': 'in den letzten Jahren'
},
{
'attributes': {LABEL_KEY: 'term related'},
'source_label': 'in den letzten Jahren',
'target_label': 'das Jahr'
},
{
'attributes': {LABEL_KEY: 'term related'},
'source_label': 'in den letzten Jahren',
'target_label': 'seit zwei Jahren'
}
],
get_inferred_tokenization_links(vocabulary, LABEL_KEY, get_declension_attributes)
)
def test_get_structurally_similar_links(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: anschließen
definition: to connect
- term: anschließend
definition:
- (adj.) following
- (adv.) afterwards
- term: nachher
definition: (adv.) afterwards
""")["vocabulary"]
label_key = LABEL_KEY
self.assertEqual(
[
{
'attributes': {LABEL_KEY: 'structurally similar'},
'source_label': 'anschließen',
'target_label': 'anschließend'
},
{
'attributes': {LABEL_KEY: 'structurally similar'},
'source_label': 'anschließend',
'target_label': 'anschließen'
}
],
get_structurally_similar_links(vocabulary, label_key)
)
def test_get_structurally_similar_links_small_edit_distance_but_different_stem(self):
vocabulary = yaml.safe_load("""
vocabulary:
- term: die Bank
- term: die Sahne
""")["vocabulary"]
label_key = LABEL_KEY
self.assertEqual(
[],
get_structurally_similar_links(vocabulary, label_key)
)
def test_is_structurally_similar(self):
self.assertTrue(is_structurally_similar("anschließen", "anschließend"))
self.assertTrue(is_structurally_similar("anschließend", "anschließen"))
self.assertFalse(is_structurally_similar("die Bank", "die Sahne"))
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