| /* |
| * 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 integration.interpreter.scala |
| |
| import java.io.{ByteArrayOutputStream, OutputStream} |
| |
| import org.apache.toree.annotations.SbtForked |
| import org.apache.toree.global.StreamState |
| import org.apache.toree.interpreter._ |
| import org.apache.toree.kernel.api.KernelLike |
| import org.apache.toree.kernel.interpreter.scala.ScalaInterpreter |
| import org.apache.toree.utils.{MultiOutputStream, TaskManager} |
| import org.scalatest.mock.MockitoSugar |
| import org.scalatest.{BeforeAndAfter, FunSpec, Matchers} |
| |
| @SbtForked |
| class AddExternalJarMagicSpecForIntegration |
| extends FunSpec with Matchers with MockitoSugar with BeforeAndAfter |
| { |
| |
| private val outputResult = new ByteArrayOutputStream() |
| private var interpreter: Interpreter = _ |
| |
| before { |
| interpreter = new ScalaInterpreter { |
| override protected def bindKernelVariable(kernel: KernelLike): Unit = { } |
| } |
| // interpreter.start() |
| interpreter.init(mock[KernelLike]) |
| |
| StreamState.setStreams(outputStream = outputResult) |
| } |
| |
| after { |
| interpreter.stop() |
| outputResult.reset() |
| } |
| |
| describe("ScalaInterpreter") { |
| describe("#addJars") { |
| it("should be able to load an external jar") { |
| val testJarUrl = this.getClass.getClassLoader.getResource("TestJar.jar") |
| |
| // |
| // NOTE: This can be done with any jar. I have tested it previously by |
| // downloading jgoodies, placing it in /tmp/... and loading it. |
| // |
| |
| // Should fail since jar was not added to paths |
| interpreter.interpret( |
| "import com.ibm.testjar.TestClass")._1 should be (Results.Error) |
| |
| // Add jar to paths |
| interpreter.addJars(testJarUrl) |
| |
| // Should now succeed |
| interpreter.interpret( |
| "import com.ibm.testjar.TestClass")._1 should be (Results.Success) |
| |
| // Should now run |
| interpreter.interpret( |
| """println(new TestClass().sayHello("Chip"))""" |
| ) should be ((Results.Success, Left(Map()))) |
| outputResult.toString should be ("Hello, Chip\n") |
| } |
| |
| it("should support Scala jars") { |
| val testJarUrl = this.getClass.getClassLoader.getResource("ScalaTestJar.jar") |
| |
| // Should fail since jar was not added to paths |
| interpreter.interpret( |
| "import com.ibm.scalatestjar.TestClass")._1 should be (Results.Error) |
| |
| // Add jar to paths |
| interpreter.addJars(testJarUrl) |
| |
| // Should now succeed |
| interpreter.interpret( |
| "import com.ibm.scalatestjar.TestClass")._1 should be (Results.Success) |
| |
| // Should now run |
| interpreter.interpret( |
| """println(new TestClass().runMe())""" |
| ) should be ((Results.Success, Left(Map()))) |
| outputResult.toString should be ("You ran me!\n") |
| } |
| |
| it("should be able to add multiple jars at once") { |
| val testJar1Url = |
| this.getClass.getClassLoader.getResource("TestJar.jar") |
| val testJar2Url = |
| this.getClass.getClassLoader.getResource("TestJar2.jar") |
| // val interpreter = new ScalaInterpreter(List(), mock[OutputStream]) |
| // with StandardSparkIMainProducer |
| // with StandardTaskManagerProducer |
| // with StandardSettingsProducer |
| // interpreter.start() |
| |
| // Should fail since jars were not added to paths |
| interpreter.interpret( |
| "import com.ibm.testjar.TestClass")._1 should be (Results.Error) |
| interpreter.interpret( |
| "import com.ibm.testjar2.TestClass")._1 should be (Results.Error) |
| |
| // Add jars to paths |
| interpreter.addJars(testJar1Url, testJar2Url) |
| |
| // Should now succeed |
| interpreter.interpret( |
| "import com.ibm.testjar.TestClass")._1 should be (Results.Success) |
| interpreter.interpret( |
| "import com.ibm.testjar2.TestClass")._1 should be (Results.Success) |
| |
| // Should now run |
| interpreter.interpret( |
| """println(new com.ibm.testjar.TestClass().sayHello("Chip"))""" |
| ) should be ((Results.Success, Left(Map()))) |
| outputResult.toString should be ("Hello, Chip\n") |
| outputResult.reset() |
| |
| interpreter.interpret( |
| """println(new com.ibm.testjar2.TestClass().CallMe())""" |
| ) should be ((Results.Success, Left(Map()))) |
| outputResult.toString should be ("3\n") |
| } |
| |
| it("should be able to add multiple jars in consecutive calls to addjar") { |
| val testJar1Url = |
| this.getClass.getClassLoader.getResource("TestJar.jar") |
| val testJar2Url = |
| this.getClass.getClassLoader.getResource("TestJar2.jar") |
| // val interpreter = new ScalaInterpreter(List(), mock[OutputStream]) |
| // with StandardSparkIMainProducer |
| // with StandardTaskManagerProducer |
| // with StandardSettingsProducer |
| // interpreter.start() |
| |
| // Should fail since jars were not added to paths |
| interpreter.interpret( |
| "import com.ibm.testjar.TestClass")._1 should be (Results.Error) |
| interpreter.interpret( |
| "import com.ibm.testjar2.TestClass")._1 should be (Results.Error) |
| |
| // Add jars to paths |
| interpreter.addJars(testJar1Url) |
| interpreter.addJars(testJar2Url) |
| |
| // Should now succeed |
| interpreter.interpret( |
| "import com.ibm.testjar.TestClass")._1 should be (Results.Success) |
| interpreter.interpret( |
| "import com.ibm.testjar2.TestClass")._1 should be (Results.Success) |
| |
| // Should now run |
| interpreter.interpret( |
| """println(new com.ibm.testjar.TestClass().sayHello("Chip"))""" |
| ) should be ((Results.Success, Left(Map()))) |
| outputResult.toString should be ("Hello, Chip\n") |
| outputResult.reset() |
| |
| interpreter.interpret( |
| """println(new com.ibm.testjar2.TestClass().CallMe())""" |
| ) should be ((Results.Success, Left(Map()))) |
| outputResult.toString should be ("3\n") |
| } |
| |
| // Todo: rebinding is kinda finicky in Scala 2.11 |
| ignore("should not have issues with previous variables") { |
| val testJar1Url = |
| this.getClass.getClassLoader.getResource("TestJar.jar") |
| val testJar2Url = |
| this.getClass.getClassLoader.getResource("TestJar2.jar") |
| |
| // Add a jar, which reinitializes the symbols |
| interpreter.addJars(testJar1Url) |
| |
| interpreter.interpret( |
| """ |
| |val t = new com.ibm.testjar.TestClass() |
| """.stripMargin)._1 should be (Results.Success) |
| |
| // Add a second jar, which reinitializes the symbols and breaks the |
| // above variable |
| interpreter.addJars(testJar2Url) |
| |
| interpreter.interpret( |
| """ |
| |def runMe(testClass: com.ibm.testjar.TestClass) = |
| |testClass.sayHello("Hello") |
| """.stripMargin)._1 should be (Results.Success) |
| |
| // This line should NOT explode if variable is rebound correctly |
| // otherwise you get the error of |
| // |
| // Message: <console>:16: error: type mismatch; |
| // found : com.ibm.testjar.com.ibm.testjar.com.ibm.testjar.com.ibm. |
| // testjar.com.ibm.testjar.TestClass |
| // required: com.ibm.testjar.com.ibm.testjar.com.ibm.testjar.com.ibm. |
| // testjar.com.ibm.testjar.TestClass |
| // runMe(t) |
| // ^ |
| val ans = interpreter.interpret( |
| """ |
| |runMe(t) |
| """.stripMargin) |
| |
| ans._1 should be (Results.Success) |
| } |
| } |
| } |
| } |
