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7c8b043a03
This make the SearchLookup lookup more coherent with its SearchVectorExact base which configures its rhs SearchQuery with its lhs' config.
588 lines
24 KiB
Python
588 lines
24 KiB
Python
"""
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Test PostgreSQL full text search.
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These tests use dialogue from the 1975 film Monty Python and the Holy Grail.
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All text copyright Python (Monty) Pictures. Thanks to sacred-texts.com for the
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transcript.
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"""
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from django.db import connection
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from django.db.models import F
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from django.test import modify_settings, skipUnlessDBFeature
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from . import PostgreSQLSimpleTestCase, PostgreSQLTestCase
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from .models import Character, Line, Scene
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try:
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from django.contrib.postgres.search import (
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SearchConfig, SearchHeadline, SearchQuery, SearchRank, SearchVector,
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)
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except ImportError:
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pass
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class GrailTestData:
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@classmethod
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def setUpTestData(cls):
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cls.robin = Scene.objects.create(scene='Scene 10', setting='The dark forest of Ewing')
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cls.minstrel = Character.objects.create(name='Minstrel')
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verses = [
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(
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'Bravely bold Sir Robin, rode forth from Camelot. '
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'He was not afraid to die, o Brave Sir Robin. '
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'He was not at all afraid to be killed in nasty ways. '
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'Brave, brave, brave, brave Sir Robin!'
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),
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(
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'He was not in the least bit scared to be mashed into a pulp, '
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'Or to have his eyes gouged out, and his elbows broken. '
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'To have his kneecaps split, and his body burned away, '
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'And his limbs all hacked and mangled, brave Sir Robin!'
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),
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(
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'His head smashed in and his heart cut out, '
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'And his liver removed and his bowels unplugged, '
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'And his nostrils ripped and his bottom burned off,'
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'And his --'
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),
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]
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cls.verses = [Line.objects.create(
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scene=cls.robin,
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character=cls.minstrel,
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dialogue=verse,
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) for verse in verses]
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cls.verse0, cls.verse1, cls.verse2 = cls.verses
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cls.witch_scene = Scene.objects.create(scene='Scene 5', setting="Sir Bedemir's Castle")
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bedemir = Character.objects.create(name='Bedemir')
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crowd = Character.objects.create(name='Crowd')
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witch = Character.objects.create(name='Witch')
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duck = Character.objects.create(name='Duck')
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cls.bedemir0 = Line.objects.create(
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scene=cls.witch_scene,
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character=bedemir,
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dialogue='We shall use my larger scales!',
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dialogue_config='english',
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)
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cls.bedemir1 = Line.objects.create(
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scene=cls.witch_scene,
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character=bedemir,
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dialogue='Right, remove the supports!',
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dialogue_config='english',
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)
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cls.duck = Line.objects.create(scene=cls.witch_scene, character=duck, dialogue=None)
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cls.crowd = Line.objects.create(scene=cls.witch_scene, character=crowd, dialogue='A witch! A witch!')
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cls.witch = Line.objects.create(scene=cls.witch_scene, character=witch, dialogue="It's a fair cop.")
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trojan_rabbit = Scene.objects.create(scene='Scene 8', setting="The castle of Our Master Ruiz' de lu la Ramper")
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guards = Character.objects.create(name='French Guards')
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cls.french = Line.objects.create(
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scene=trojan_rabbit,
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character=guards,
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dialogue='Oh. Un beau cadeau. Oui oui.',
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dialogue_config='french',
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)
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@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
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class SimpleSearchTest(GrailTestData, PostgreSQLTestCase):
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def test_simple(self):
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searched = Line.objects.filter(dialogue__search='elbows')
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self.assertSequenceEqual(searched, [self.verse1])
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def test_non_exact_match(self):
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searched = Line.objects.filter(dialogue__search='hearts')
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self.assertSequenceEqual(searched, [self.verse2])
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def test_search_two_terms(self):
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searched = Line.objects.filter(dialogue__search='heart bowel')
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self.assertSequenceEqual(searched, [self.verse2])
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def test_search_two_terms_with_partial_match(self):
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searched = Line.objects.filter(dialogue__search='Robin killed')
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self.assertSequenceEqual(searched, [self.verse0])
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def test_search_query_config(self):
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searched = Line.objects.filter(
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dialogue__search=SearchQuery('nostrils', config='simple'),
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)
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self.assertSequenceEqual(searched, [self.verse2])
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@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
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class SearchVectorFieldTest(GrailTestData, PostgreSQLTestCase):
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def test_existing_vector(self):
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Line.objects.update(dialogue_search_vector=SearchVector('dialogue'))
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searched = Line.objects.filter(dialogue_search_vector=SearchQuery('Robin killed'))
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self.assertSequenceEqual(searched, [self.verse0])
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def test_existing_vector_config_explicit(self):
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Line.objects.update(dialogue_search_vector=SearchVector('dialogue'))
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searched = Line.objects.filter(dialogue_search_vector=SearchQuery('cadeaux', config='french'))
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self.assertSequenceEqual(searched, [self.french])
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def test_single_coalesce_expression(self):
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searched = Line.objects.annotate(search=SearchVector('dialogue')).filter(search='cadeaux')
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self.assertNotIn('COALESCE(COALESCE', str(searched.query))
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class SearchConfigTests(PostgreSQLSimpleTestCase):
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def test_from_parameter(self):
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self.assertIsNone(SearchConfig.from_parameter(None))
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self.assertEqual(SearchConfig.from_parameter('foo'), SearchConfig('foo'))
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self.assertEqual(SearchConfig.from_parameter(SearchConfig('bar')), SearchConfig('bar'))
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class MultipleFieldsTest(GrailTestData, PostgreSQLTestCase):
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def test_simple_on_dialogue(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue'),
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).filter(search='elbows')
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self.assertSequenceEqual(searched, [self.verse1])
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def test_simple_on_scene(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue'),
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).filter(search='Forest')
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self.assertCountEqual(searched, self.verses)
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def test_non_exact_match(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue'),
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).filter(search='heart')
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self.assertSequenceEqual(searched, [self.verse2])
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def test_search_two_terms(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue'),
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).filter(search='heart forest')
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self.assertSequenceEqual(searched, [self.verse2])
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def test_terms_adjacent(self):
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searched = Line.objects.annotate(
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search=SearchVector('character__name', 'dialogue'),
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).filter(search='minstrel')
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self.assertCountEqual(searched, self.verses)
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue'),
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).filter(search='minstrelbravely')
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self.assertSequenceEqual(searched, [])
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def test_search_with_null(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue'),
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).filter(search='bedemir')
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self.assertCountEqual(searched, [self.bedemir0, self.bedemir1, self.crowd, self.witch, self.duck])
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def test_search_with_non_text(self):
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searched = Line.objects.annotate(
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search=SearchVector('id'),
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).filter(search=str(self.crowd.id))
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self.assertSequenceEqual(searched, [self.crowd])
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@skipUnlessDBFeature('has_phraseto_tsquery')
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def test_phrase_search(self):
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line_qs = Line.objects.annotate(search=SearchVector('dialogue'))
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searched = line_qs.filter(search=SearchQuery('burned body his away', search_type='phrase'))
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self.assertSequenceEqual(searched, [])
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searched = line_qs.filter(search=SearchQuery('his body burned away', search_type='phrase'))
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self.assertSequenceEqual(searched, [self.verse1])
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@skipUnlessDBFeature('has_phraseto_tsquery')
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def test_phrase_search_with_config(self):
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line_qs = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue', config='french'),
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)
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searched = line_qs.filter(
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search=SearchQuery('cadeau beau un', search_type='phrase', config='french'),
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)
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self.assertSequenceEqual(searched, [])
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searched = line_qs.filter(
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search=SearchQuery('un beau cadeau', search_type='phrase', config='french'),
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)
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self.assertSequenceEqual(searched, [self.french])
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def test_raw_search(self):
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line_qs = Line.objects.annotate(search=SearchVector('dialogue'))
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searched = line_qs.filter(search=SearchQuery('Robin', search_type='raw'))
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self.assertCountEqual(searched, [self.verse0, self.verse1])
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searched = line_qs.filter(search=SearchQuery("Robin & !'Camelot'", search_type='raw'))
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self.assertSequenceEqual(searched, [self.verse1])
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def test_raw_search_with_config(self):
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line_qs = Line.objects.annotate(search=SearchVector('dialogue', config='french'))
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searched = line_qs.filter(
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search=SearchQuery("'cadeaux' & 'beaux'", search_type='raw', config='french'),
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)
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self.assertSequenceEqual(searched, [self.french])
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@skipUnlessDBFeature('has_websearch_to_tsquery')
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def test_web_search(self):
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line_qs = Line.objects.annotate(search=SearchVector('dialogue'))
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searched = line_qs.filter(
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search=SearchQuery(
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'"burned body" "split kneecaps"',
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search_type='websearch',
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),
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)
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self.assertSequenceEqual(searched, [])
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searched = line_qs.filter(
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search=SearchQuery(
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'"body burned" "kneecaps split" -"nostrils"',
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search_type='websearch',
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),
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)
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self.assertSequenceEqual(searched, [self.verse1])
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searched = line_qs.filter(
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search=SearchQuery(
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'"Sir Robin" ("kneecaps" OR "Camelot")',
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search_type='websearch',
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),
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)
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self.assertSequenceEqual(searched, [self.verse0, self.verse1])
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@skipUnlessDBFeature('has_websearch_to_tsquery')
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def test_web_search_with_config(self):
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line_qs = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue', config='french'),
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)
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searched = line_qs.filter(
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search=SearchQuery('cadeau -beau', search_type='websearch', config='french'),
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)
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self.assertSequenceEqual(searched, [])
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searched = line_qs.filter(
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search=SearchQuery('beau cadeau', search_type='websearch', config='french'),
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)
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self.assertSequenceEqual(searched, [self.french])
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def test_bad_search_type(self):
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with self.assertRaisesMessage(ValueError, "Unknown search_type argument 'foo'."):
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SearchQuery('kneecaps', search_type='foo')
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def test_config_query_explicit(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue', config='french'),
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).filter(search=SearchQuery('cadeaux', config='french'))
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self.assertSequenceEqual(searched, [self.french])
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def test_config_query_implicit(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue', config='french'),
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).filter(search='cadeaux')
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self.assertSequenceEqual(searched, [self.french])
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def test_config_from_field_explicit(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue', config=F('dialogue_config')),
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).filter(search=SearchQuery('cadeaux', config=F('dialogue_config')))
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self.assertSequenceEqual(searched, [self.french])
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def test_config_from_field_implicit(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue', config=F('dialogue_config')),
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).filter(search='cadeaux')
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self.assertSequenceEqual(searched, [self.french])
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@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
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class TestCombinations(GrailTestData, PostgreSQLTestCase):
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def test_vector_add(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting') + SearchVector('character__name'),
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).filter(search='bedemir')
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self.assertCountEqual(searched, [self.bedemir0, self.bedemir1, self.crowd, self.witch, self.duck])
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def test_vector_add_multi(self):
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searched = Line.objects.annotate(
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search=(
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SearchVector('scene__setting') +
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SearchVector('character__name') +
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SearchVector('dialogue')
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),
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).filter(search='bedemir')
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self.assertCountEqual(searched, [self.bedemir0, self.bedemir1, self.crowd, self.witch, self.duck])
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def test_vector_combined_mismatch(self):
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msg = (
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'SearchVector can only be combined with other SearchVector '
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'instances, got NoneType.'
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)
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with self.assertRaisesMessage(TypeError, msg):
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Line.objects.filter(dialogue__search=None + SearchVector('character__name'))
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def test_combine_different_vector_configs(self):
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searched = Line.objects.annotate(
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search=(
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SearchVector('dialogue', config='english') +
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SearchVector('dialogue', config='french')
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),
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).filter(
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search=SearchQuery('cadeaux', config='french') | SearchQuery('nostrils')
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)
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self.assertCountEqual(searched, [self.french, self.verse2])
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def test_query_and(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue'),
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).filter(search=SearchQuery('bedemir') & SearchQuery('scales'))
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self.assertSequenceEqual(searched, [self.bedemir0])
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def test_query_multiple_and(self):
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue'),
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).filter(search=SearchQuery('bedemir') & SearchQuery('scales') & SearchQuery('nostrils'))
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self.assertSequenceEqual(searched, [])
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searched = Line.objects.annotate(
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search=SearchVector('scene__setting', 'dialogue'),
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).filter(search=SearchQuery('shall') & SearchQuery('use') & SearchQuery('larger'))
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self.assertSequenceEqual(searched, [self.bedemir0])
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def test_query_or(self):
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searched = Line.objects.filter(dialogue__search=SearchQuery('kneecaps') | SearchQuery('nostrils'))
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self.assertCountEqual(searched, [self.verse1, self.verse2])
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def test_query_multiple_or(self):
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searched = Line.objects.filter(
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dialogue__search=SearchQuery('kneecaps') | SearchQuery('nostrils') | SearchQuery('Sir Robin')
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)
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self.assertCountEqual(searched, [self.verse1, self.verse2, self.verse0])
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def test_query_invert(self):
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searched = Line.objects.filter(character=self.minstrel, dialogue__search=~SearchQuery('kneecaps'))
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self.assertCountEqual(searched, [self.verse0, self.verse2])
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def test_combine_different_configs(self):
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searched = Line.objects.filter(
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dialogue__search=(
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SearchQuery('cadeau', config='french') |
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SearchQuery('nostrils', config='english')
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)
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)
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self.assertCountEqual(searched, [self.french, self.verse2])
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@skipUnlessDBFeature('has_phraseto_tsquery')
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def test_combine_raw_phrase(self):
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searched = Line.objects.filter(
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dialogue__search=(
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SearchQuery('burn:*', search_type='raw', config='simple') |
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SearchQuery('rode forth from Camelot', search_type='phrase')
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)
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)
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self.assertCountEqual(searched, [self.verse0, self.verse1, self.verse2])
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def test_query_combined_mismatch(self):
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msg = (
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'SearchQuery can only be combined with other SearchQuery '
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'instances, got NoneType.'
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)
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with self.assertRaisesMessage(TypeError, msg):
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Line.objects.filter(dialogue__search=None | SearchQuery('kneecaps'))
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with self.assertRaisesMessage(TypeError, msg):
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Line.objects.filter(dialogue__search=None & SearchQuery('kneecaps'))
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@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
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class TestRankingAndWeights(GrailTestData, PostgreSQLTestCase):
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def test_ranking(self):
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searched = Line.objects.filter(character=self.minstrel).annotate(
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rank=SearchRank(SearchVector('dialogue'), SearchQuery('brave sir robin')),
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).order_by('rank')
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self.assertSequenceEqual(searched, [self.verse2, self.verse1, self.verse0])
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def test_rank_passing_untyped_args(self):
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searched = Line.objects.filter(character=self.minstrel).annotate(
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rank=SearchRank('dialogue', 'brave sir robin'),
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).order_by('rank')
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self.assertSequenceEqual(searched, [self.verse2, self.verse1, self.verse0])
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def test_weights_in_vector(self):
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vector = SearchVector('dialogue', weight='A') + SearchVector('character__name', weight='D')
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searched = Line.objects.filter(scene=self.witch_scene).annotate(
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rank=SearchRank(vector, SearchQuery('witch')),
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).order_by('-rank')[:2]
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self.assertSequenceEqual(searched, [self.crowd, self.witch])
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vector = SearchVector('dialogue', weight='D') + SearchVector('character__name', weight='A')
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searched = Line.objects.filter(scene=self.witch_scene).annotate(
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rank=SearchRank(vector, SearchQuery('witch')),
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).order_by('-rank')[:2]
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self.assertSequenceEqual(searched, [self.witch, self.crowd])
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def test_ranked_custom_weights(self):
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vector = SearchVector('dialogue', weight='D') + SearchVector('character__name', weight='A')
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searched = Line.objects.filter(scene=self.witch_scene).annotate(
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rank=SearchRank(vector, SearchQuery('witch'), weights=[1, 0, 0, 0.5]),
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).order_by('-rank')[:2]
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self.assertSequenceEqual(searched, [self.crowd, self.witch])
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def test_ranking_chaining(self):
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searched = Line.objects.filter(character=self.minstrel).annotate(
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rank=SearchRank(SearchVector('dialogue'), SearchQuery('brave sir robin')),
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).filter(rank__gt=0.3)
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self.assertSequenceEqual(searched, [self.verse0])
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class SearchVectorIndexTests(PostgreSQLTestCase):
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def test_search_vector_index(self):
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"""SearchVector generates IMMUTABLE SQL in order to be indexable."""
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# This test should be moved to test_indexes and use a functional
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# index instead once support lands (see #26167).
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query = Line.objects.all().query
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resolved = SearchVector('id', 'dialogue', config='english').resolve_expression(query)
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compiler = query.get_compiler(connection.alias)
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sql, params = resolved.as_sql(compiler, connection)
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# Indexed function must be IMMUTABLE.
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with connection.cursor() as cursor:
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cursor.execute(
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'CREATE INDEX search_vector_index ON %s USING GIN (%s)' % (Line._meta.db_table, sql),
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params,
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)
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class SearchQueryTests(PostgreSQLSimpleTestCase):
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def test_str(self):
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tests = (
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(~SearchQuery('a'), '~SearchQuery(a)'),
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(
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(SearchQuery('a') | SearchQuery('b')) & (SearchQuery('c') | SearchQuery('d')),
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'((SearchQuery(a) || SearchQuery(b)) && (SearchQuery(c) || SearchQuery(d)))',
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),
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(
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SearchQuery('a') & (SearchQuery('b') | SearchQuery('c')),
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'(SearchQuery(a) && (SearchQuery(b) || SearchQuery(c)))',
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),
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(
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(SearchQuery('a') | SearchQuery('b')) & SearchQuery('c'),
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'((SearchQuery(a) || SearchQuery(b)) && SearchQuery(c))'
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),
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(
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SearchQuery('a') & (SearchQuery('b') & (SearchQuery('c') | SearchQuery('d'))),
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'(SearchQuery(a) && (SearchQuery(b) && (SearchQuery(c) || SearchQuery(d))))',
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),
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)
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for query, expected_str in tests:
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with self.subTest(query=query):
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self.assertEqual(str(query), expected_str)
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|
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@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
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class SearchHeadlineTests(GrailTestData, PostgreSQLTestCase):
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def test_headline(self):
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searched = Line.objects.annotate(
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headline=SearchHeadline(
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F('dialogue'),
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SearchQuery('brave sir robin'),
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config=SearchConfig('english'),
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),
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).get(pk=self.verse0.pk)
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self.assertEqual(
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searched.headline,
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'<b>Robin</b>. He was not at all afraid to be killed in nasty '
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'ways. <b>Brave</b>, <b>brave</b>, <b>brave</b>, <b>brave</b> '
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'<b>Sir</b> <b>Robin</b>',
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)
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def test_headline_untyped_args(self):
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searched = Line.objects.annotate(
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headline=SearchHeadline('dialogue', 'killed', config='english'),
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).get(pk=self.verse0.pk)
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self.assertEqual(
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searched.headline,
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'Robin. He was not at all afraid to be <b>killed</b> in nasty '
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'ways. Brave, brave, brave, brave Sir Robin!',
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)
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def test_headline_with_config(self):
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searched = Line.objects.annotate(
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headline=SearchHeadline(
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'dialogue',
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SearchQuery('cadeaux', config='french'),
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config='french',
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),
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).get(pk=self.french.pk)
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self.assertEqual(
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searched.headline,
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'Oh. Un beau <b>cadeau</b>. Oui oui.',
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)
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def test_headline_with_config_from_field(self):
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searched = Line.objects.annotate(
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headline=SearchHeadline(
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'dialogue',
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SearchQuery('cadeaux', config=F('dialogue_config')),
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config=F('dialogue_config'),
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|
),
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).get(pk=self.french.pk)
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self.assertEqual(
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|
searched.headline,
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|
'Oh. Un beau <b>cadeau</b>. Oui oui.',
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)
|
|
|
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def test_headline_separator_options(self):
|
|
searched = Line.objects.annotate(
|
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headline=SearchHeadline(
|
|
'dialogue',
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'brave sir robin',
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|
start_sel='<span>',
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stop_sel='</span>',
|
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),
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).get(pk=self.verse0.pk)
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self.assertEqual(
|
|
searched.headline,
|
|
'<span>Robin</span>. He was not at all afraid to be killed in '
|
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'nasty ways. <span>Brave</span>, <span>brave</span>, <span>brave'
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'</span>, <span>brave</span> <span>Sir</span> <span>Robin</span>',
|
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)
|
|
|
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def test_headline_highlight_all_option(self):
|
|
searched = Line.objects.annotate(
|
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headline=SearchHeadline(
|
|
'dialogue',
|
|
SearchQuery('brave sir robin', config='english'),
|
|
highlight_all=True,
|
|
),
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|
).get(pk=self.verse0.pk)
|
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self.assertIn(
|
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'<b>Bravely</b> bold <b>Sir</b> <b>Robin</b>, rode forth from '
|
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'Camelot. He was not afraid to die, o ',
|
|
searched.headline,
|
|
)
|
|
|
|
def test_headline_short_word_option(self):
|
|
searched = Line.objects.annotate(
|
|
headline=SearchHeadline(
|
|
'dialogue',
|
|
SearchQuery('brave sir robin', config='english'),
|
|
short_word=6,
|
|
),
|
|
).get(pk=self.verse0.pk)
|
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self.assertIs(searched.headline.endswith(
|
|
'<b>Brave</b>, <b>brave</b>, <b>brave</b>, <b>brave</b> <b>Sir</b>'
|
|
), True)
|
|
|
|
def test_headline_fragments_words_options(self):
|
|
searched = Line.objects.annotate(
|
|
headline=SearchHeadline(
|
|
'dialogue',
|
|
SearchQuery('brave sir robin', config='english'),
|
|
fragment_delimiter='...<br>',
|
|
max_fragments=4,
|
|
max_words=3,
|
|
min_words=1,
|
|
),
|
|
).get(pk=self.verse0.pk)
|
|
self.assertEqual(
|
|
searched.headline,
|
|
'<b>Sir</b> <b>Robin</b>, rode...<br>'
|
|
'<b>Brave</b> <b>Sir</b> <b>Robin</b>...<br>'
|
|
'<b>Brave</b>, <b>brave</b>, <b>brave</b>...<br>'
|
|
'<b>brave</b> <b>Sir</b> <b>Robin</b>',
|
|
)
|