/
SharedSQLContext.scala
65 lines (57 loc) · 1.89 KB
/
SharedSQLContext.scala
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.sql.test
import org.apache.spark.sql.SQLContext
/**
* Helper trait for SQL test suites where all tests share a single [[TestSQLContext]].
*/
trait SharedSQLContext extends SQLTestUtils {
/**
* The [[TestSQLContext]] to use for all tests in this suite.
*
* By default, the underlying [[org.apache.spark.SparkContext]] will be run in local
* mode with the default test configurations.
*/
private var _ctx: TestSQLContext = null
/**
* The [[TestSQLContext]] to use for all tests in this suite.
*/
protected def sqlContext: SQLContext = _ctx
/**
* Initialize the [[TestSQLContext]].
*/
protected override def beforeAll(): Unit = {
if (_ctx == null) {
_ctx = new TestSQLContext
}
// Ensure we have initialized the context before calling parent code
super.beforeAll()
}
/**
* Stop the underlying [[org.apache.spark.SparkContext]], if any.
*/
protected override def afterAll(): Unit = {
try {
if (_ctx != null) {
_ctx.sparkContext.stop()
_ctx = null
}
} finally {
super.afterAll()
}
}
}