diff options
Diffstat (limited to 'python/pyspark/tests.py')
| -rw-r--r-- | python/pyspark/tests.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/python/pyspark/tests.py b/python/pyspark/tests.py index c29deb9574..16fb5a9256 100644 --- a/python/pyspark/tests.py +++ b/python/pyspark/tests.py @@ -38,12 +38,19 @@ from pyspark.serializers import read_int from pyspark.shuffle import Aggregator, InMemoryMerger, ExternalMerger _have_scipy = False +_have_numpy = False try: import scipy.sparse _have_scipy = True except: # No SciPy, but that's okay, we'll skip those tests pass +try: + import numpy as np + _have_numpy = True +except: + # No NumPy, but that's okay, we'll skip those tests + pass SPARK_HOME = os.environ["SPARK_HOME"] @@ -914,9 +921,26 @@ class SciPyTests(PySparkTestCase): self.assertEqual(expected, observed) +@unittest.skipIf(not _have_numpy, "NumPy not installed") +class NumPyTests(PySparkTestCase): + """General PySpark tests that depend on numpy """ + + def test_statcounter_array(self): + x = self.sc.parallelize([np.array([1.0,1.0]), np.array([2.0,2.0]), np.array([3.0,3.0])]) + s = x.stats() + self.assertSequenceEqual([2.0,2.0], s.mean().tolist()) + self.assertSequenceEqual([1.0,1.0], s.min().tolist()) + self.assertSequenceEqual([3.0,3.0], s.max().tolist()) + self.assertSequenceEqual([1.0,1.0], s.sampleStdev().tolist()) + + if __name__ == "__main__": if not _have_scipy: print "NOTE: Skipping SciPy tests as it does not seem to be installed" + if not _have_numpy: + print "NOTE: Skipping NumPy tests as it does not seem to be installed" unittest.main() if not _have_scipy: print "NOTE: SciPy tests were skipped as it does not seem to be installed" + if not _have_numpy: + print "NOTE: NumPy tests were skipped as it does not seem to be installed" |