def run(self):
"""
Runs all tests in :attr:`~core.TestRunner.queue` using a pool of
greenlets to run tests concurrently.
"""
try:
import gevent
from gevent.pool import Pool
logger.debug('successfully imported gevent.')
except ImportError:
raise DtfMissingOptionalDependency('gevent')
logger.info('running dtf tests using a gevent-based (micro) thread pool.')
p = Pool(self.pool_size)
for j in self.queue:
logger.debug('adding {0} to the job queue'.format(j[1]))
p.spawn(self.case_definition.get(j[0]), j[1], j[2])
