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# encoding: utf-8
from __future__ import absolute_import, division, print_function, unicode_literals
from django.test import TestCase
from django.test.utils import override_settings
from test_haystack.core.models import MockModel
from haystack.utils import _lookup_identifier_method, get_facet_field_name, get_identifier, log
from haystack.utils.highlighting import Highlighter
class GetIdentifierTestCase(TestCase):
def test_get_facet_field_name(self):
self.assertEqual(get_facet_field_name('id'), 'id')
self.assertEqual(get_facet_field_name('django_id'), 'django_id')
self.assertEqual(get_facet_field_name('django_ct'), 'django_ct')
self.assertEqual(get_facet_field_name('author'), 'author_exact')
self.assertEqual(get_facet_field_name('author_exact'), 'author_exact_exact')
class GetFacetFieldNameTestCase(TestCase):
fixtures = ['base_data']
def test_get_identifier(self):
self.assertEqual(get_identifier('core.mockmodel.1'), 'core.mockmodel.1')
# Valid object.
mock = MockModel.objects.get(pk=1)
self.assertEqual(get_identifier(mock), 'core.mockmodel.1')
@override_settings(HAYSTACK_IDENTIFIER_METHOD='test_haystack.core.custom_identifier.get_identifier_method')
def test_haystack_identifier_method(self):
# The custom implementation returns the MD-5 hash of the key value by
# default:
get_identifier = _lookup_identifier_method()
self.assertEqual(get_identifier('a.b.c'),
'553f764f7b436175c0387e22b4a19213')
# … but it also supports a custom override mechanism which would
# definitely fail with the default implementation:
class custom_id_class(object):
def get_custom_haystack_id(self):
return 'CUSTOM'
self.assertEqual(get_identifier(custom_id_class()),
'CUSTOM')
@override_settings(HAYSTACK_IDENTIFIER_METHOD='test_haystack.core.custom_identifier.not_there')
def test_haystack_identifier_method_bad_path(self):
self.assertRaises(AttributeError, _lookup_identifier_method)
@override_settings(HAYSTACK_IDENTIFIER_METHOD='core.not_there.not_there')
def test_haystack_identifier_method_bad_module(self):
self.assertRaises(ImportError, _lookup_identifier_method)
class HighlighterTestCase(TestCase):
def setUp(self):
super(HighlighterTestCase, self).setUp()
self.document_1 = "This is a test of the highlightable words detection. This is only a test. Were this an actual emergency, your text would have exploded in mid-air."
self.document_2 = "The content of words in no particular order causes nothing to occur."
self.document_3 = "%s %s" % (self.document_1, self.document_2)
def test_find_highlightable_words(self):
highlighter = Highlighter('this test')
highlighter.text_block = self.document_1
self.assertEqual(highlighter.find_highlightable_words(), {'this': [0, 53, 79], 'test': [10, 68]})
# We don't stem for now.
highlighter = Highlighter('highlight tests')
highlighter.text_block = self.document_1
self.assertEqual(highlighter.find_highlightable_words(), {'highlight': [22], 'tests': []})
# Ignore negated bits.
highlighter = Highlighter('highlight -test')
highlighter.text_block = self.document_1
self.assertEqual(highlighter.find_highlightable_words(), {'highlight': [22]})
def test_find_window(self):
# The query doesn't matter for this method, so ignore it.
highlighter = Highlighter('')
highlighter.text_block = self.document_1
# No query.
self.assertEqual(highlighter.find_window({}), (0, 200))
# Nothing found.
self.assertEqual(highlighter.find_window({'highlight': [], 'tests': []}), (0, 200))
# Simple cases.
self.assertEqual(highlighter.find_window({'highlight': [0], 'tests': [100]}), (0, 200))
self.assertEqual(highlighter.find_window({'highlight': [99], 'tests': [199]}), (99, 299))
self.assertEqual(highlighter.find_window({'highlight': [0], 'tests': [201]}), (0, 200))
self.assertEqual(highlighter.find_window({'highlight': [203], 'tests': [120]}), (120, 320))
self.assertEqual(highlighter.find_window({'highlight': [], 'tests': [100]}), (100, 300))
self.assertEqual(highlighter.find_window({'highlight': [0], 'tests': [80], 'moof': [120]}), (0, 200))
# Simple cases, with an outlier far outside the window.
self.assertEqual(highlighter.find_window({'highlight': [0], 'tests': [100, 450]}), (0, 200))
self.assertEqual(highlighter.find_window({'highlight': [100], 'tests': [220, 450]}), (100, 300))
self.assertEqual(highlighter.find_window({'highlight': [100], 'tests': [350, 450]}), (350, 550))
self.assertEqual(highlighter.find_window({'highlight': [100], 'tests': [220], 'moof': [450]}), (100, 300))
# Density checks.
self.assertEqual(highlighter.find_window({'highlight': [0], 'tests': [100, 180, 450]}), (0, 200))
self.assertEqual(highlighter.find_window({'highlight': [0, 40], 'tests': [100, 200, 220, 450]}), (40, 240))
self.assertEqual(highlighter.find_window({'highlight': [0, 40], 'tests': [100, 200, 220], 'moof': [450]}), (40, 240))
self.assertEqual(highlighter.find_window({'highlight': [0, 40], 'tests': [100, 200, 220], 'moof': [294, 299, 450]}), (100, 300))
def test_render_html(self):
highlighter = Highlighter('this test')
highlighter.text_block = self.document_1
self.assertEqual(highlighter.render_html({'this': [0, 53, 79], 'test': [10, 68]}, 0, 200), '<span class="highlighted">This</span> is a <span class="highlighted">test</span> of the highlightable words detection. <span class="highlighted">This</span> is only a <span class="highlighted">test</span>. Were <span class="highlighted">this</span> an actual emergency, your text would have exploded in mid-air.')
highlighter.text_block = self.document_2
self.assertEqual(highlighter.render_html({'this': [0, 53, 79], 'test': [10, 68]}, 0, 200), 'The content of words in no particular order causes nothing to occur.')
highlighter.text_block = self.document_3
self.assertEqual(highlighter.render_html({'this': [0, 53, 79], 'test': [10, 68]}, 0, 200), '<span class="highlighted">This</span> is a <span class="highlighted">test</span> of the highlightable words detection. <span class="highlighted">This</span> is only a <span class="highlighted">test</span>. Were <span class="highlighted">this</span> an actual emergency, your text would have exploded in mid-air. The content of words in no particular order causes no...')
highlighter = Highlighter('content detection')
highlighter.text_block = self.document_3
self.assertEqual(highlighter.render_html({'content': [151], 'detection': [42]}, 42, 242), '...<span class="highlighted">detection</span>. This is only a test. Were this an actual emergency, your text would have exploded in mid-air. The <span class="highlighted">content</span> of words in no particular order causes nothing to occur.')
self.assertEqual(highlighter.render_html({'content': [151], 'detection': [42]}, 42, 200), '...<span class="highlighted">detection</span>. This is only a test. Were this an actual emergency, your text would have exploded in mid-air. The <span class="highlighted">content</span> of words in no particular order causes no...')
# One term found within another term.
highlighter = Highlighter('this is')
highlighter.text_block = self.document_1
self.assertEqual(highlighter.render_html({'this': [0, 53, 79], 'is': [2, 5, 55, 58, 81]}, 0, 200), '<span class="highlighted">This</span> <span class="highlighted">is</span> a test of the highlightable words detection. <span class="highlighted">This</span> <span class="highlighted">is</span> only a test. Were <span class="highlighted">this</span> an actual emergency, your text would have exploded in mid-air.')
# Regression for repetition in the regular expression.
highlighter = Highlighter('i++')
highlighter.text_block = 'Foo is i++ in most cases.'
self.assertEqual(highlighter.render_html({'i++': [7]}, 0, 200), 'Foo is <span class="highlighted">i++</span> in most cases.')
highlighter = Highlighter('i**')
highlighter.text_block = 'Foo is i** in most cases.'
self.assertEqual(highlighter.render_html({'i**': [7]}, 0, 200), 'Foo is <span class="highlighted">i**</span> in most cases.')
highlighter = Highlighter('i..')
highlighter.text_block = 'Foo is i.. in most cases.'
self.assertEqual(highlighter.render_html({'i..': [7]}, 0, 200), 'Foo is <span class="highlighted">i..</span> in most cases.')
highlighter = Highlighter('i??')
highlighter.text_block = 'Foo is i?? in most cases.'
self.assertEqual(highlighter.render_html({'i??': [7]}, 0, 200), 'Foo is <span class="highlighted">i??</span> in most cases.')
# Regression for highlighting already highlighted HTML terms.
highlighter = Highlighter('span')
highlighter.text_block = 'A span in spam makes html in a can.'
self.assertEqual(highlighter.render_html({'span': [2]}, 0, 200), 'A <span class="highlighted">span</span> in spam makes html in a can.')
highlighter = Highlighter('highlight')
highlighter.text_block = 'A span in spam makes highlighted html in a can.'
self.assertEqual(highlighter.render_html({'highlight': [21]}, 0, 200), 'A span in spam makes <span class="highlighted">highlight</span>ed html in a can.')
def test_highlight(self):
highlighter = Highlighter('this test')
self.assertEqual(highlighter.highlight(self.document_1), u'<span class="highlighted">This</span> is a <span class="highlighted">test</span> of the highlightable words detection. <span class="highlighted">This</span> is only a <span class="highlighted">test</span>. Were <span class="highlighted">this</span> an actual emergency, your text would have exploded in mid-air.')
self.assertEqual(highlighter.highlight(self.document_2), u'The content of words in no particular order causes nothing to occur.')
self.assertEqual(highlighter.highlight(self.document_3), u'<span class="highlighted">This</span> is a <span class="highlighted">test</span> of the highlightable words detection. <span class="highlighted">This</span> is only a <span class="highlighted">test</span>. Were <span class="highlighted">this</span> an actual emergency, your text would have exploded in mid-air. The content of words in no particular order causes no...')
highlighter = Highlighter('this test', html_tag='div', css_class=None)
self.assertEqual(highlighter.highlight(self.document_1), u'<div>This</div> is a <div>test</div> of the highlightable words detection. <div>This</div> is only a <div>test</div>. Were <div>this</div> an actual emergency, your text would have exploded in mid-air.')
self.assertEqual(highlighter.highlight(self.document_2), u'The content of words in no particular order causes nothing to occur.')
self.assertEqual(highlighter.highlight(self.document_3), u'<div>This</div> is a <div>test</div> of the highlightable words detection. <div>This</div> is only a <div>test</div>. Were <div>this</div> an actual emergency, your text would have exploded in mid-air. The content of words in no particular order causes no...')
highlighter = Highlighter('content detection')
self.assertEqual(highlighter.highlight(self.document_1), u'...<span class="highlighted">detection</span>. This is only a test. Were this an actual emergency, your text would have exploded in mid-air.')
self.assertEqual(highlighter.highlight(self.document_2), u'...<span class="highlighted">content</span> of words in no particular order causes nothing to occur.')
self.assertEqual(highlighter.highlight(self.document_3), u'...<span class="highlighted">detection</span>. This is only a test. Were this an actual emergency, your text would have exploded in mid-air. The <span class="highlighted">content</span> of words in no particular order causes nothing to occur.')
highlighter = Highlighter('content detection', max_length=100)
self.assertEqual(highlighter.highlight(self.document_1), u'...<span class="highlighted">detection</span>. This is only a test. Were this an actual emergency, your text would have exploded in mid-...')
self.assertEqual(highlighter.highlight(self.document_2), u'...<span class="highlighted">content</span> of words in no particular order causes nothing to occur.')
self.assertEqual(highlighter.highlight(self.document_3), u'This is a test of the highlightable words <span class="highlighted">detection</span>. This is only a test. Were this an actual emerge...')
class LoggingFacadeTestCase(TestCase):
def test_everything_noops_if_settings_are_off(self):
with self.settings(HAYSTACK_LOGGING=False):
l = log.LoggingFacade(None)
l.error()
def test_uses_provided_logger_if_logging_is_on(self):
with self.settings(HAYSTACK_LOGGING=True):
l = log.LoggingFacade(None)
try:
l.error()
except AttributeError:
pass
def test_uses_provided_logger_by_default(self):
class Logger(object):
def __init__(self):
self.was_called = False
def error(self):
self.was_called = True
l = log.LoggingFacade(Logger())
self.assertFalse(l.was_called, msg='sanity check')
l.error()
self.assertTrue(l.was_called)
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