def test_modify_search_filter_hook(self):
# Prep an empty result.
mock_api = self.generate_mock_api()
# With an empty recommendation result, the Filter is set up
# to return nothing.
lane = RecommendationLane(
self._default_library, self.work, "", novelist_api=mock_api
)
filter = Filter()
assert False == filter.match_nothing
modified = lane.modify_search_filter_hook(filter)
assert modified == filter
assert True == filter.match_nothing
# When there are recommendations, the Filter is modified to
# match only those ISBNs.
i1 = self._identifier()
i2 = self._identifier()
lane.recommendations = [i1, i2]
filter = Filter()
assert [] == filter.identifiers
modified = lane.modify_search_filter_hook(filter)
assert modified == filter
assert [i1, i2] == filter.identifiers
assert False == filter.match_nothing
def test_modify_search_filter_hook(self):
# Prep an empty result.
mock_api = self.generate_mock_api()
# With an empty recommendation result, the Filter is set up
# to return nothing.
lane = RecommendationLane(self._default_library,
self.work,
'',
novelist_api=mock_api)
filter = Filter()
eq_(False, filter.match_nothing)
modified = lane.modify_search_filter_hook(filter)
eq_(modified, filter)
eq_(True, filter.match_nothing)
# When there are recommendations, the Filter is modified to
# match only those ISBNs.
i1 = self._identifier()
i2 = self._identifier()
lane.recommendations = [i1, i2]
filter = Filter()
eq_([], filter.identifiers)
modified = lane.modify_search_filter_hook(filter)
eq_(modified, filter)
eq_([i1, i2], filter.identifiers)
eq_(False, filter.match_nothing)
