1 files changed, 28 insertions, 0 deletions
diff --git a/python/pyspark/tests.py b/python/pyspark/tests.py
index 2e7c2750a8..b687d695b0 100644
--- a/python/pyspark/tests.py
+++ b/python/pyspark/tests.py
@@ -607,6 +607,34 @@ class TestSQL(PySparkTestCase):
         [res] = self.sqlCtx.sql("SELECT MYUDF('')").collect()
         self.assertEqual("", res[0])
 
+    def test_basic_functions(self):
+        rdd = self.sc.parallelize(['{"foo":"bar"}', '{"foo":"baz"}'])
+        srdd = self.sqlCtx.jsonRDD(rdd)
+        srdd.count()
+        srdd.collect()
+        srdd.schemaString()
+        srdd.schema()
+
+        # cache and checkpoint
+        self.assertFalse(srdd.is_cached)
+        srdd.persist()
+        srdd.unpersist()
+        srdd.cache()
+        self.assertTrue(srdd.is_cached)
+        self.assertFalse(srdd.isCheckpointed())
+        self.assertEqual(None, srdd.getCheckpointFile())
+
+        srdd = srdd.coalesce(2, True)
+        srdd = srdd.repartition(3)
+        srdd = srdd.distinct()
+        srdd.intersection(srdd)
+        self.assertEqual(2, srdd.count())
+
+        srdd.registerTempTable("temp")
+        srdd = self.sqlCtx.sql("select foo from temp")
+        srdd.count()
+        srdd.collect()
+
 
 class TestIO(PySparkTestCase):