def test_empty(self):
job = MRSparkWordcount([])
job.sandbox()
with job.make_runner() as runner:
runner.run()
self.assertEqual(sorted(to_lines(runner.cat_output())), [])
def test_spark_mrjob(self):
text = b'one fish\ntwo fish\nred fish\nblue fish\n'
job = MRSparkWordcount(['-r', 'inline'])
job.sandbox(stdin=BytesIO(text))
counts = {}
with job.make_runner() as runner:
runner.run()
for line in to_lines(runner.cat_output()):
k, v = safeeval(line)
counts[k] = v
self.assertEqual(counts, dict(blue=1, fish=4, one=1, red=1, two=1))
def test_spark_mrjob(self):
text = b'one fish\ntwo fish\nred fish\nblue fish\n'
job = MRSparkWordcount(['-r', 'inline'])
job.sandbox(stdin=BytesIO(text))
counts = {}
with job.make_runner() as runner:
runner.run()
for line in to_lines(runner.cat_output()):
k, v = safeeval(line)
counts[k] = v
self.assertEqual(counts, dict(
blue=1, fish=4, one=1, red=1, two=1))
def test_count_words(self):
job = MRSparkWordcount([])
job.sandbox(
stdin=BytesIO(b'Mary had a little lamb\nlittle lamb\nlittle lamb'))
with job.make_runner() as runner:
runner.run()
output = sorted(
safeeval(line) for line in to_lines(runner.cat_output()))
self.assertEqual(output, [
('a', 1),
('had', 1),
('lamb', 3),
('little', 3),
('mary', 1),
])