mirror of
https://github.com/django/django.git
synced 2024-12-23 09:36:06 +00:00
289 lines
12 KiB
Python
289 lines
12 KiB
Python
"""
|
|
Test PostgreSQL full text search.
|
|
|
|
These tests use dialogue from the 1975 film Monty Python and the Holy Grail.
|
|
All text copyright Python (Monty) Pictures. Thanks to sacred-texts.com for the
|
|
transcript.
|
|
"""
|
|
from django.contrib.postgres.search import (
|
|
SearchQuery, SearchRank, SearchVector,
|
|
)
|
|
from django.db.models import F
|
|
from django.test import modify_settings
|
|
|
|
from . import PostgreSQLTestCase
|
|
from .models import Character, Line, Scene
|
|
|
|
|
|
class GrailTestData:
|
|
|
|
@classmethod
|
|
def setUpTestData(cls):
|
|
cls.robin = Scene.objects.create(scene='Scene 10', setting='The dark forest of Ewing')
|
|
cls.minstrel = Character.objects.create(name='Minstrel')
|
|
verses = [
|
|
(
|
|
'Bravely bold Sir Robin, rode forth from Camelot. '
|
|
'He was not afraid to die, o Brave Sir Robin. '
|
|
'He was not at all afraid to be killed in nasty ways. '
|
|
'Brave, brave, brave, brave Sir Robin!'
|
|
),
|
|
(
|
|
'He was not in the least bit scared to be mashed into a pulp, '
|
|
'Or to have his eyes gouged out, and his elbows broken. '
|
|
'To have his kneecaps split, and his body burned away, '
|
|
'And his limbs all hacked and mangled, brave Sir Robin!'
|
|
),
|
|
(
|
|
'His head smashed in and his heart cut out, '
|
|
'And his liver removed and his bowels unplugged, '
|
|
'And his nostrils ripped and his bottom burned off,'
|
|
'And his --'
|
|
),
|
|
]
|
|
cls.verses = [Line.objects.create(
|
|
scene=cls.robin,
|
|
character=cls.minstrel,
|
|
dialogue=verse,
|
|
) for verse in verses]
|
|
cls.verse0, cls.verse1, cls.verse2 = cls.verses
|
|
|
|
cls.witch_scene = Scene.objects.create(scene='Scene 5', setting="Sir Bedemir's Castle")
|
|
bedemir = Character.objects.create(name='Bedemir')
|
|
crowd = Character.objects.create(name='Crowd')
|
|
witch = Character.objects.create(name='Witch')
|
|
duck = Character.objects.create(name='Duck')
|
|
|
|
cls.bedemir0 = Line.objects.create(
|
|
scene=cls.witch_scene,
|
|
character=bedemir,
|
|
dialogue='We shall use my larger scales!',
|
|
dialogue_config='english',
|
|
)
|
|
cls.bedemir1 = Line.objects.create(
|
|
scene=cls.witch_scene,
|
|
character=bedemir,
|
|
dialogue='Right, remove the supports!',
|
|
dialogue_config='english',
|
|
)
|
|
cls.duck = Line.objects.create(scene=cls.witch_scene, character=duck, dialogue=None)
|
|
cls.crowd = Line.objects.create(scene=cls.witch_scene, character=crowd, dialogue='A witch! A witch!')
|
|
cls.witch = Line.objects.create(scene=cls.witch_scene, character=witch, dialogue="It's a fair cop.")
|
|
|
|
trojan_rabbit = Scene.objects.create(scene='Scene 8', setting="The castle of Our Master Ruiz' de lu la Ramper")
|
|
guards = Character.objects.create(name='French Guards')
|
|
cls.french = Line.objects.create(
|
|
scene=trojan_rabbit,
|
|
character=guards,
|
|
dialogue='Oh. Un cadeau. Oui oui.',
|
|
dialogue_config='french',
|
|
)
|
|
|
|
|
|
@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
|
|
class SimpleSearchTest(GrailTestData, PostgreSQLTestCase):
|
|
|
|
def test_simple(self):
|
|
searched = Line.objects.filter(dialogue__search='elbows')
|
|
self.assertSequenceEqual(searched, [self.verse1])
|
|
|
|
def test_non_exact_match(self):
|
|
searched = Line.objects.filter(dialogue__search='hearts')
|
|
self.assertSequenceEqual(searched, [self.verse2])
|
|
|
|
def test_search_two_terms(self):
|
|
searched = Line.objects.filter(dialogue__search='heart bowel')
|
|
self.assertSequenceEqual(searched, [self.verse2])
|
|
|
|
def test_search_two_terms_with_partial_match(self):
|
|
searched = Line.objects.filter(dialogue__search='Robin killed')
|
|
self.assertSequenceEqual(searched, [self.verse0])
|
|
|
|
|
|
@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
|
|
class SearchVectorFieldTest(GrailTestData, PostgreSQLTestCase):
|
|
def test_existing_vector(self):
|
|
Line.objects.update(dialogue_search_vector=SearchVector('dialogue'))
|
|
searched = Line.objects.filter(dialogue_search_vector=SearchQuery('Robin killed'))
|
|
self.assertSequenceEqual(searched, [self.verse0])
|
|
|
|
def test_existing_vector_config_explicit(self):
|
|
Line.objects.update(dialogue_search_vector=SearchVector('dialogue'))
|
|
searched = Line.objects.filter(dialogue_search_vector=SearchQuery('cadeaux', config='french'))
|
|
self.assertSequenceEqual(searched, [self.french])
|
|
|
|
|
|
class MultipleFieldsTest(GrailTestData, PostgreSQLTestCase):
|
|
|
|
def test_simple_on_dialogue(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue'),
|
|
).filter(search='elbows')
|
|
self.assertSequenceEqual(searched, [self.verse1])
|
|
|
|
def test_simple_on_scene(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue'),
|
|
).filter(search='Forest')
|
|
self.assertCountEqual(searched, self.verses)
|
|
|
|
def test_non_exact_match(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue'),
|
|
).filter(search='heart')
|
|
self.assertSequenceEqual(searched, [self.verse2])
|
|
|
|
def test_search_two_terms(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue'),
|
|
).filter(search='heart forest')
|
|
self.assertSequenceEqual(searched, [self.verse2])
|
|
|
|
def test_terms_adjacent(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('character__name', 'dialogue'),
|
|
).filter(search='minstrel')
|
|
self.assertCountEqual(searched, self.verses)
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue'),
|
|
).filter(search='minstrelbravely')
|
|
self.assertSequenceEqual(searched, [])
|
|
|
|
def test_search_with_null(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue'),
|
|
).filter(search='bedemir')
|
|
self.assertEqual(set(searched), {self.bedemir0, self.bedemir1, self.crowd, self.witch, self.duck})
|
|
|
|
def test_config_query_explicit(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue', config='french'),
|
|
).filter(search=SearchQuery('cadeaux', config='french'))
|
|
self.assertSequenceEqual(searched, [self.french])
|
|
|
|
def test_config_query_implicit(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue', config='french'),
|
|
).filter(search='cadeaux')
|
|
self.assertSequenceEqual(searched, [self.french])
|
|
|
|
def test_config_from_field_explicit(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue', config=F('dialogue_config')),
|
|
).filter(search=SearchQuery('cadeaux', config=F('dialogue_config')))
|
|
self.assertSequenceEqual(searched, [self.french])
|
|
|
|
def test_config_from_field_implicit(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue', config=F('dialogue_config')),
|
|
).filter(search='cadeaux')
|
|
self.assertSequenceEqual(searched, [self.french])
|
|
|
|
|
|
@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
|
|
class TestCombinations(GrailTestData, PostgreSQLTestCase):
|
|
|
|
def test_vector_add(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting') + SearchVector('character__name'),
|
|
).filter(search='bedemir')
|
|
self.assertEqual(set(searched), {self.bedemir0, self.bedemir1, self.crowd, self.witch, self.duck})
|
|
|
|
def test_vector_add_multi(self):
|
|
searched = Line.objects.annotate(
|
|
search=(
|
|
SearchVector('scene__setting') +
|
|
SearchVector('character__name') +
|
|
SearchVector('dialogue')
|
|
),
|
|
).filter(search='bedemir')
|
|
self.assertEqual(set(searched), {self.bedemir0, self.bedemir1, self.crowd, self.witch, self.duck})
|
|
|
|
def test_query_and(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue'),
|
|
).filter(search=SearchQuery('bedemir') & SearchQuery('scales'))
|
|
self.assertSequenceEqual(searched, [self.bedemir0])
|
|
|
|
def test_query_multiple_and(self):
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue'),
|
|
).filter(search=SearchQuery('bedemir') & SearchQuery('scales') & SearchQuery('nostrils'))
|
|
self.assertSequenceEqual(searched, [])
|
|
|
|
searched = Line.objects.annotate(
|
|
search=SearchVector('scene__setting', 'dialogue'),
|
|
).filter(search=SearchQuery('shall') & SearchQuery('use') & SearchQuery('larger'))
|
|
self.assertSequenceEqual(searched, [self.bedemir0])
|
|
|
|
def test_query_or(self):
|
|
searched = Line.objects.filter(dialogue__search=SearchQuery('kneecaps') | SearchQuery('nostrils'))
|
|
self.assertEqual(set(searched), {self.verse1, self.verse2})
|
|
|
|
def test_query_multiple_or(self):
|
|
searched = Line.objects.filter(
|
|
dialogue__search=SearchQuery('kneecaps') | SearchQuery('nostrils') | SearchQuery('Sir Robin')
|
|
)
|
|
self.assertEqual(set(searched), {self.verse1, self.verse2, self.verse0})
|
|
|
|
def test_query_invert(self):
|
|
searched = Line.objects.filter(character=self.minstrel, dialogue__search=~SearchQuery('kneecaps'))
|
|
self.assertEqual(set(searched), {self.verse0, self.verse2})
|
|
|
|
def test_query_config_mismatch(self):
|
|
with self.assertRaisesMessage(TypeError, "SearchQuery configs don't match."):
|
|
Line.objects.filter(
|
|
dialogue__search=SearchQuery('kneecaps', config='german') |
|
|
SearchQuery('nostrils', config='english')
|
|
)
|
|
|
|
def test_query_combined_mismatch(self):
|
|
msg = "SearchQuery can only be combined with other SearchQuerys, got"
|
|
with self.assertRaisesMessage(TypeError, msg):
|
|
Line.objects.filter(dialogue__search=None | SearchQuery('kneecaps'))
|
|
|
|
with self.assertRaisesMessage(TypeError, msg):
|
|
Line.objects.filter(dialogue__search=None & SearchQuery('kneecaps'))
|
|
|
|
|
|
@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
|
|
class TestRankingAndWeights(GrailTestData, PostgreSQLTestCase):
|
|
|
|
def test_ranking(self):
|
|
searched = Line.objects.filter(character=self.minstrel).annotate(
|
|
rank=SearchRank(SearchVector('dialogue'), SearchQuery('brave sir robin')),
|
|
).order_by('rank')
|
|
self.assertSequenceEqual(searched, [self.verse2, self.verse1, self.verse0])
|
|
|
|
def test_rank_passing_untyped_args(self):
|
|
searched = Line.objects.filter(character=self.minstrel).annotate(
|
|
rank=SearchRank('dialogue', 'brave sir robin'),
|
|
).order_by('rank')
|
|
self.assertSequenceEqual(searched, [self.verse2, self.verse1, self.verse0])
|
|
|
|
def test_weights_in_vector(self):
|
|
vector = SearchVector('dialogue', weight='A') + SearchVector('character__name', weight='D')
|
|
searched = Line.objects.filter(scene=self.witch_scene).annotate(
|
|
rank=SearchRank(vector, SearchQuery('witch')),
|
|
).order_by('-rank')[:2]
|
|
self.assertSequenceEqual(searched, [self.crowd, self.witch])
|
|
|
|
vector = SearchVector('dialogue', weight='D') + SearchVector('character__name', weight='A')
|
|
searched = Line.objects.filter(scene=self.witch_scene).annotate(
|
|
rank=SearchRank(vector, SearchQuery('witch')),
|
|
).order_by('-rank')[:2]
|
|
self.assertSequenceEqual(searched, [self.witch, self.crowd])
|
|
|
|
def test_ranked_custom_weights(self):
|
|
vector = SearchVector('dialogue', weight='D') + SearchVector('character__name', weight='A')
|
|
searched = Line.objects.filter(scene=self.witch_scene).annotate(
|
|
rank=SearchRank(vector, SearchQuery('witch'), weights=[1, 0, 0, 0.5]),
|
|
).order_by('-rank')[:2]
|
|
self.assertSequenceEqual(searched, [self.crowd, self.witch])
|
|
|
|
def test_ranking_chaining(self):
|
|
searched = Line.objects.filter(character=self.minstrel).annotate(
|
|
rank=SearchRank(SearchVector('dialogue'), SearchQuery('brave sir robin')),
|
|
).filter(rank__gt=0.3)
|
|
self.assertSequenceEqual(searched, [self.verse0])
|