Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/12784#discussion_r61645639
--- Diff: python/pyspark/sql/tests.py ---
@@ -1394,6 +1395,200 @@ def test_toDF_with_schema_string(self):
self.assertEqual(df.schema.simpleString(), "struct<value:int>")
self.assertEqual(df.collect(), [Row(key=i) for i in range(100)])
+ def test_conf(self):
+ spark = self.sparkSession
+ spark.setConf("bogo", "sipeo")
+ self.assertEqual(self.sparkSession.conf.get("bogo"), "sipeo")
+ spark.setConf("bogo", "ta")
+ self.assertEqual(spark.conf.get("bogo"), "ta")
+ self.assertEqual(spark.conf.get("bogo", "not.read"), "ta")
+ self.assertEqual(spark.conf.get("not.set", "ta"), "ta")
+ self.assertRaisesRegexp(Exception, "not.set", lambda:
spark.conf.get("not.set"))
+ spark.conf.unset("bogo")
+ self.assertEqual(spark.conf.get("bogo", "colombia"), "colombia")
+
+ def test_current_database(self):
+ spark = self.sparkSession
+ spark.catalog._reset()
+ self.assertEquals(spark.catalog.currentDatabase(), "default")
+ spark.sql("CREATE DATABASE some_db")
+ spark.catalog.setCurrentDatabase("some_db")
+ self.assertEquals(spark.catalog.currentDatabase(), "some_db")
+ self.assertRaisesRegexp(
+ AnalysisException,
+ "does_not_exist",
+ lambda: spark.catalog.setCurrentDatabase("does_not_exist"))
+
+ def test_list_databases(self):
+ spark = self.sparkSession
+ spark.catalog._reset()
+ databases = [db.name for db in spark.catalog.listDatabases()]
+ self.assertEquals(databases, ["default"])
+ spark.sql("CREATE DATABASE some_db")
+ databases = [db.name for db in spark.catalog.listDatabases()]
+ self.assertEquals(sorted(databases), ["default", "some_db"])
+
+ def test_list_tables(self):
+ from catalog import Table
--- End diff --
It's better to use full path
from pyspark.sql.catalog import Table
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