import unittest

from django.conf import settings


def check_solr(using="solr"):
    try:
        from pysolr import Solr, SolrError
    except ImportError:
        raise unittest.SkipTest("pysolr not installed.")

    solr = Solr(settings.HAYSTACK_CONNECTIONS[using]["URL"])
    try:
        solr.search("*:*")
    except SolrError as e:
        raise unittest.SkipTest(
            "solr not running on %r" % settings.HAYSTACK_CONNECTIONS[using]["URL"], e
        )