class JobTests(unittest.TestCase):
def setUp(self):
self.job = WordCountJob()
@test
def job_should_have_a_map_parser(self):
self.assertEqual(LineParser, self.job.map_parser)
@test
def job_should_have_a_reduce_parser(self):
self.assertEqual(KeyValueParser, self.job.reduce_parser)
@test
def job_should_have_a_map_collector(self):
self.assertEqual(KeyValueCollector, self.job.map_collector)
@test
def job_should_have_a_reduce_collector(self):
self.assertEqual(KeyValueCollector, self.job.reduce_collector)
@test
def job_should_map_parser_output_to_collector_input(self):
s = MockStream()
self.job.start_map(parser_stream=[], collector_stream=s)
self.assertEqual([], s.read_output())
self.job.start_map(parser_stream=["blah blee bloo"], collector_stream=s)
self.assertEqual(["blah\t1\n", "blee\t1\n", "bloo\t1\n"], s.read_output())
@test
def job_should_reduce_parser_output_to_collector_input(self):
s = MockStream()
self.job.start_reduce(parser_stream=[], collector_stream=s)
self.assertEqual([], s.read_output())
self.job.start_reduce(parser_stream=["blah\t1", "blah\t1", "bloo\t1"], collector_stream=s)
self.assertEqual(["blah\t2\n", "bloo\t1\n"], sorted(s.read_output()))
@test
def job_should_be_runnable(self):
WordCountJob.main(arguments=["--map"], runner=MockRunner)
self.assertEqual(WordCountJob, MockRunner.job_cls)
self.assertEqual(["--map"], MockRunner.main_run)
def job_should_be_runnable(self):
WordCountJob.main(arguments=["--map"], runner=MockRunner)
self.assertEqual(WordCountJob, MockRunner.job_cls)
self.assertEqual(["--map"], MockRunner.main_run)
def setUp(self):
self.job = WordCountJob()
