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			672 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			672 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """
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| Test PostgreSQL full text search.
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| 
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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, Value
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| from django.test import modify_settings, skipUnlessDBFeature
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| 
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| from . import PostgreSQLSimpleTestCase, PostgreSQLTestCase
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| from .models import Character, Line, LineSavedSearch, Scene
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| 
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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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| 
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| 
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| class GrailTestData:
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     def test_search_with_F_expression(self):
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|         # Non-matching query.
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|         LineSavedSearch.objects.create(line=self.verse1, query='hearts')
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|         # Matching query.
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|         match = LineSavedSearch.objects.create(line=self.verse1, query='elbows')
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|         for query_expression in [F('query'), SearchQuery(F('query'))]:
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|             with self.subTest(query_expression):
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|                 searched = LineSavedSearch.objects.filter(
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|                     line__dialogue__search=query_expression,
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|                 )
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|                 self.assertSequenceEqual(searched, [match])
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| 
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| 
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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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| 
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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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| 
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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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| 
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| 
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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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| 
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| 
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| class MultipleFieldsTest(GrailTestData, PostgreSQLTestCase):
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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):
 | |
|         searched = Line.objects.annotate(
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|             search=SearchVector('scene__setting', 'dialogue', config='french'),
 | |
|         ).filter(search=SearchQuery('cadeaux', config='french'))
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|         self.assertSequenceEqual(searched, [self.french])
 | |
| 
 | |
|     def test_config_query_implicit(self):
 | |
|         searched = Line.objects.annotate(
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|             search=SearchVector('scene__setting', 'dialogue', config='french'),
 | |
|         ).filter(search='cadeaux')
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|         self.assertSequenceEqual(searched, [self.french])
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| 
 | |
|     def test_config_from_field_explicit(self):
 | |
|         searched = Line.objects.annotate(
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|             search=SearchVector('scene__setting', 'dialogue', config=F('dialogue_config')),
 | |
|         ).filter(search=SearchQuery('cadeaux', config=F('dialogue_config')))
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|         self.assertSequenceEqual(searched, [self.french])
 | |
| 
 | |
|     def test_config_from_field_implicit(self):
 | |
|         searched = Line.objects.annotate(
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|             search=SearchVector('scene__setting', 'dialogue', config=F('dialogue_config')),
 | |
|         ).filter(search='cadeaux')
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|         self.assertSequenceEqual(searched, [self.french])
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| 
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| 
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| @modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
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| class TestCombinations(GrailTestData, PostgreSQLTestCase):
 | |
| 
 | |
|     def test_vector_add(self):
 | |
|         searched = Line.objects.annotate(
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|             search=SearchVector('scene__setting') + SearchVector('character__name'),
 | |
|         ).filter(search='bedemir')
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|         self.assertCountEqual(searched, [self.bedemir0, self.bedemir1, self.crowd, self.witch, self.duck])
 | |
| 
 | |
|     def test_vector_add_multi(self):
 | |
|         searched = Line.objects.annotate(
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|             search=(
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|                 SearchVector('scene__setting') +
 | |
|                 SearchVector('character__name') +
 | |
|                 SearchVector('dialogue')
 | |
|             ),
 | |
|         ).filter(search='bedemir')
 | |
|         self.assertCountEqual(searched, [self.bedemir0, self.bedemir1, self.crowd, self.witch, self.duck])
 | |
| 
 | |
|     def test_vector_combined_mismatch(self):
 | |
|         msg = (
 | |
|             'SearchVector can only be combined with other SearchVector '
 | |
|             'instances, got NoneType.'
 | |
|         )
 | |
|         with self.assertRaisesMessage(TypeError, msg):
 | |
|             Line.objects.filter(dialogue__search=None + SearchVector('character__name'))
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| 
 | |
|     def test_combine_different_vector_configs(self):
 | |
|         searched = Line.objects.annotate(
 | |
|             search=(
 | |
|                 SearchVector('dialogue', config='english') +
 | |
|                 SearchVector('dialogue', config='french')
 | |
|             ),
 | |
|         ).filter(
 | |
|             search=SearchQuery('cadeaux', config='french') | SearchQuery('nostrils')
 | |
|         )
 | |
|         self.assertCountEqual(searched, [self.french, self.verse2])
 | |
| 
 | |
|     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.assertCountEqual(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.assertCountEqual(searched, [self.verse1, self.verse2, self.verse0])
 | |
| 
 | |
|     def test_query_invert(self):
 | |
|         searched = Line.objects.filter(character=self.minstrel, dialogue__search=~SearchQuery('kneecaps'))
 | |
|         self.assertCountEqual(searched, [self.verse0, self.verse2])
 | |
| 
 | |
|     def test_combine_different_configs(self):
 | |
|         searched = Line.objects.filter(
 | |
|             dialogue__search=(
 | |
|                 SearchQuery('cadeau', config='french') |
 | |
|                 SearchQuery('nostrils', config='english')
 | |
|             )
 | |
|         )
 | |
|         self.assertCountEqual(searched, [self.french, self.verse2])
 | |
| 
 | |
|     def test_combined_configs(self):
 | |
|         searched = Line.objects.filter(
 | |
|             dialogue__search=(
 | |
|                 SearchQuery('nostrils', config='simple') &
 | |
|                 SearchQuery('bowels', config='simple')
 | |
|             ),
 | |
|         )
 | |
|         self.assertSequenceEqual(searched, [self.verse2])
 | |
| 
 | |
|     def test_combine_raw_phrase(self):
 | |
|         searched = Line.objects.filter(
 | |
|             dialogue__search=(
 | |
|                 SearchQuery('burn:*', search_type='raw', config='simple') |
 | |
|                 SearchQuery('rode forth from Camelot', search_type='phrase')
 | |
|             )
 | |
|         )
 | |
|         self.assertCountEqual(searched, [self.verse0, self.verse1, self.verse2])
 | |
| 
 | |
|     def test_query_combined_mismatch(self):
 | |
|         msg = (
 | |
|             'SearchQuery can only be combined with other SearchQuery '
 | |
|             'instances, got NoneType.'
 | |
|         )
 | |
|         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])
 | |
| 
 | |
|     def test_cover_density_ranking(self):
 | |
|         not_dense_verse = Line.objects.create(
 | |
|             scene=self.robin,
 | |
|             character=self.minstrel,
 | |
|             dialogue=(
 | |
|                 'Bravely taking to his feet, he beat a very brave retreat. '
 | |
|                 'A brave retreat brave Sir Robin.'
 | |
|             )
 | |
|         )
 | |
|         searched = Line.objects.filter(character=self.minstrel).annotate(
 | |
|             rank=SearchRank(
 | |
|                 SearchVector('dialogue'),
 | |
|                 SearchQuery('brave robin'),
 | |
|                 cover_density=True,
 | |
|             ),
 | |
|         ).order_by('rank', '-pk')
 | |
|         self.assertSequenceEqual(
 | |
|             searched,
 | |
|             [self.verse2, not_dense_verse, self.verse1, self.verse0],
 | |
|         )
 | |
| 
 | |
|     def test_ranking_with_normalization(self):
 | |
|         short_verse = Line.objects.create(
 | |
|             scene=self.robin,
 | |
|             character=self.minstrel,
 | |
|             dialogue='A brave retreat brave Sir Robin.',
 | |
|         )
 | |
|         searched = Line.objects.filter(character=self.minstrel).annotate(
 | |
|             rank=SearchRank(
 | |
|                 SearchVector('dialogue'),
 | |
|                 SearchQuery('brave sir robin'),
 | |
|                 # Divide the rank by the document length.
 | |
|                 normalization=2,
 | |
|             ),
 | |
|         ).order_by('rank')
 | |
|         self.assertSequenceEqual(
 | |
|             searched,
 | |
|             [self.verse2, self.verse1, self.verse0, short_verse],
 | |
|         )
 | |
| 
 | |
|     def test_ranking_with_masked_normalization(self):
 | |
|         short_verse = Line.objects.create(
 | |
|             scene=self.robin,
 | |
|             character=self.minstrel,
 | |
|             dialogue='A brave retreat brave Sir Robin.',
 | |
|         )
 | |
|         searched = Line.objects.filter(character=self.minstrel).annotate(
 | |
|             rank=SearchRank(
 | |
|                 SearchVector('dialogue'),
 | |
|                 SearchQuery('brave sir robin'),
 | |
|                 # Divide the rank by the document length and by the number of
 | |
|                 # unique words in document.
 | |
|                 normalization=Value(2).bitor(Value(8)),
 | |
|             ),
 | |
|         ).order_by('rank')
 | |
|         self.assertSequenceEqual(
 | |
|             searched,
 | |
|             [self.verse2, self.verse1, self.verse0, short_verse],
 | |
|         )
 | |
| 
 | |
| 
 | |
| class SearchVectorIndexTests(PostgreSQLTestCase):
 | |
|     def test_search_vector_index(self):
 | |
|         """SearchVector generates IMMUTABLE SQL in order to be indexable."""
 | |
|         # This test should be moved to test_indexes and use a functional
 | |
|         # index instead once support lands (see #26167).
 | |
|         query = Line.objects.all().query
 | |
|         resolved = SearchVector('id', 'dialogue', config='english').resolve_expression(query)
 | |
|         compiler = query.get_compiler(connection.alias)
 | |
|         sql, params = resolved.as_sql(compiler, connection)
 | |
|         # Indexed function must be IMMUTABLE.
 | |
|         with connection.cursor() as cursor:
 | |
|             cursor.execute(
 | |
|                 'CREATE INDEX search_vector_index ON %s USING GIN (%s)' % (Line._meta.db_table, sql),
 | |
|                 params,
 | |
|             )
 | |
| 
 | |
| 
 | |
| class SearchQueryTests(PostgreSQLSimpleTestCase):
 | |
|     def test_str(self):
 | |
|         tests = (
 | |
|             (~SearchQuery('a'), "~SearchQuery(Value('a'))"),
 | |
|             (
 | |
|                 (SearchQuery('a') | SearchQuery('b')) & (SearchQuery('c') | SearchQuery('d')),
 | |
|                 "((SearchQuery(Value('a')) || SearchQuery(Value('b'))) && "
 | |
|                 "(SearchQuery(Value('c')) || SearchQuery(Value('d'))))",
 | |
|             ),
 | |
|             (
 | |
|                 SearchQuery('a') & (SearchQuery('b') | SearchQuery('c')),
 | |
|                 "(SearchQuery(Value('a')) && (SearchQuery(Value('b')) || "
 | |
|                 "SearchQuery(Value('c'))))",
 | |
|             ),
 | |
|             (
 | |
|                 (SearchQuery('a') | SearchQuery('b')) & SearchQuery('c'),
 | |
|                 "((SearchQuery(Value('a')) || SearchQuery(Value('b'))) && "
 | |
|                 "SearchQuery(Value('c')))"
 | |
|             ),
 | |
|             (
 | |
|                 SearchQuery('a') & (SearchQuery('b') & (SearchQuery('c') | SearchQuery('d'))),
 | |
|                 "(SearchQuery(Value('a')) && (SearchQuery(Value('b')) && "
 | |
|                 "(SearchQuery(Value('c')) || SearchQuery(Value('d')))))",
 | |
|             ),
 | |
|         )
 | |
|         for query, expected_str in tests:
 | |
|             with self.subTest(query=query):
 | |
|                 self.assertEqual(str(query), expected_str)
 | |
| 
 | |
| 
 | |
| @modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
 | |
| class SearchHeadlineTests(GrailTestData, PostgreSQLTestCase):
 | |
|     def test_headline(self):
 | |
|         searched = Line.objects.annotate(
 | |
|             headline=SearchHeadline(
 | |
|                 F('dialogue'),
 | |
|                 SearchQuery('brave sir robin'),
 | |
|                 config=SearchConfig('english'),
 | |
|             ),
 | |
|         ).get(pk=self.verse0.pk)
 | |
|         self.assertEqual(
 | |
|             searched.headline,
 | |
|             '<b>Robin</b>. He was not at all afraid to be killed in nasty '
 | |
|             'ways. <b>Brave</b>, <b>brave</b>, <b>brave</b>, <b>brave</b> '
 | |
|             '<b>Sir</b> <b>Robin</b>',
 | |
|         )
 | |
| 
 | |
|     def test_headline_untyped_args(self):
 | |
|         searched = Line.objects.annotate(
 | |
|             headline=SearchHeadline('dialogue', 'killed', config='english'),
 | |
|         ).get(pk=self.verse0.pk)
 | |
|         self.assertEqual(
 | |
|             searched.headline,
 | |
|             'Robin. He was not at all afraid to be <b>killed</b> in nasty '
 | |
|             'ways. Brave, brave, brave, brave Sir Robin',
 | |
|         )
 | |
| 
 | |
|     def test_headline_with_config(self):
 | |
|         searched = Line.objects.annotate(
 | |
|             headline=SearchHeadline(
 | |
|                 'dialogue',
 | |
|                 SearchQuery('cadeaux', config='french'),
 | |
|                 config='french',
 | |
|             ),
 | |
|         ).get(pk=self.french.pk)
 | |
|         self.assertEqual(
 | |
|             searched.headline,
 | |
|             'Oh. Un beau <b>cadeau</b>. Oui oui.',
 | |
|         )
 | |
| 
 | |
|     def test_headline_with_config_from_field(self):
 | |
|         searched = Line.objects.annotate(
 | |
|             headline=SearchHeadline(
 | |
|                 'dialogue',
 | |
|                 SearchQuery('cadeaux', config=F('dialogue_config')),
 | |
|                 config=F('dialogue_config'),
 | |
|             ),
 | |
|         ).get(pk=self.french.pk)
 | |
|         self.assertEqual(
 | |
|             searched.headline,
 | |
|             'Oh. Un beau <b>cadeau</b>. Oui oui.',
 | |
|         )
 | |
| 
 | |
|     def test_headline_separator_options(self):
 | |
|         searched = Line.objects.annotate(
 | |
|             headline=SearchHeadline(
 | |
|                 'dialogue',
 | |
|                 'brave sir robin',
 | |
|                 start_sel='<span>',
 | |
|                 stop_sel='</span>',
 | |
|             ),
 | |
|         ).get(pk=self.verse0.pk)
 | |
|         self.assertEqual(
 | |
|             searched.headline,
 | |
|             '<span>Robin</span>. He was not at all afraid to be killed in '
 | |
|             'nasty ways. <span>Brave</span>, <span>brave</span>, <span>brave'
 | |
|             '</span>, <span>brave</span> <span>Sir</span> <span>Robin</span>',
 | |
|         )
 | |
| 
 | |
|     def test_headline_highlight_all_option(self):
 | |
|         searched = Line.objects.annotate(
 | |
|             headline=SearchHeadline(
 | |
|                 'dialogue',
 | |
|                 SearchQuery('brave sir robin', config='english'),
 | |
|                 highlight_all=True,
 | |
|             ),
 | |
|         ).get(pk=self.verse0.pk)
 | |
|         self.assertIn(
 | |
|             '<b>Bravely</b> bold <b>Sir</b> <b>Robin</b>, rode forth from '
 | |
|             '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('Camelot', config='english'),
 | |
|                 short_word=5,
 | |
|                 min_words=8,
 | |
|             ),
 | |
|         ).get(pk=self.verse0.pk)
 | |
|         self.assertEqual(searched.headline, (
 | |
|             '<b>Camelot</b>. He was not afraid to die, o Brave Sir Robin. He '
 | |
|             'was not at all afraid'
 | |
|         ))
 | |
| 
 | |
|     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>',
 | |
|         )
 |