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Diffstat (limited to 'python/pyspark/sql/tests.py')
| -rw-r--r-- | python/pyspark/sql/tests.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/python/pyspark/sql/tests.py b/python/pyspark/sql/tests.py index 2ffd18ebd7..5640bb5ea2 100644 --- a/python/pyspark/sql/tests.py +++ b/python/pyspark/sql/tests.py @@ -416,6 +416,16 @@ class SQLTests(ReusedPySparkTestCase): assert_close([math.hypot(i, 2 * i) for i in range(10)], df.select(functions.hypot(df.a, df.b)).collect()) + def test_rand_functions(self): + df = self.df + from pyspark.sql import functions + rnd = df.select('key', functions.rand()).collect() + for row in rnd: + assert row[1] >= 0.0 and row[1] <= 1.0, "got: %s" % row[1] + rndn = df.select('key', functions.randn(5)).collect() + for row in rndn: + assert row[1] >= -4.0 and row[1] <= 4.0, "got: %s" % row[1] + def test_save_and_load(self): df = self.df tmpPath = tempfile.mkdtemp() |