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test_utils.py
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# encoding: utf-8
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),
'<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),
"The content of words in no particular order causes nothing to occur.",
)
self.assertEqual(
highlighter.highlight(self.document_3),
'<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),
"<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),
"The content of words in no particular order causes nothing to occur.",
)
self.assertEqual(
highlighter.highlight(self.document_3),
"<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),
'...<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),
'...<span class="highlighted">content</span> of words in no particular order causes nothing to occur.',
)
self.assertEqual(
highlighter.highlight(self.document_3),
'...<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),
'...<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),
'...<span class="highlighted">content</span> of words in no particular order causes nothing to occur.',
)
self.assertEqual(
highlighter.highlight(self.document_3),
'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)