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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
import org.scalatest.{BeforeAndAfterAll, BeforeAndAfterEach}
import org.scalatest.Suite
/** Shares a local `SparkContext` between all tests in a suite and closes it at the end */
trait SharedSparkContext extends BeforeAndAfterAll with BeforeAndAfterEach { self: Suite =>
@transient private var _sc: SparkContext = _
def sc: SparkContext = _sc
var conf = new SparkConf(false)
override def beforeAll() {
super.beforeAll()
_sc = new SparkContext(
"local[4]", "test", conf.set("spark.hadoop.fs.file.impl", classOf[DebugFilesystem].getName))
}
override def afterAll() {
try {
LocalSparkContext.stop(_sc)
_sc = null
} finally {
super.afterAll()
}
}
protected override def beforeEach(): Unit = {
super.beforeEach()
DebugFilesystem.clearOpenStreams()
}
protected override def afterEach(): Unit = {
super.afterEach()
DebugFilesystem.assertNoOpenStreams()
}
}
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