无法在 Intellij Idea 中为 Scala 项目运行集成测试

Question

I am using the following version of Intellij Idea

IntelliJ IDEA 2019.1.3 (Community Edition)
Build #IC-191.7479.19, built on May 28, 2019
JRE: 1.8.0_202-release-1483-b58 x86_64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
macOS 10.13.6

I have imported an sbt project and am able to run unit test cases successfully. However, as soon as I run the test suite containing integration test cases, I get the following error

Testing started at 14:57 ...
/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/bin/java "-javaagent:/Applications/IntelliJ IDEA CE.app/Contents/lib/idea_rt.jar=53306:/Applications/IntelliJ IDEA CE.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath "/Users/user/Library/Application Support/IdeaIC2019.1/Scala/lib/runners.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/lib/tools.jar:/Users/user/IdeaProjects/sampleProject/hive/server/target/scala-2.12/test-classes:/Users/user/IdeaProjects/sampleProject/hive/server/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/common/queue/target/scala-2.12/test-classes:/Users/user/IdeaProjects/sampleProject/common/queue/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/common/event/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/common/test/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/edr/events/target/scala-2.12/test-classes:/Users/user/IdeaProjects/sampleProject/edr/events/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/hive/api/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/hive/dao/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/hive/events/target/scala-2.12/test-classes:/Users/user/IdeaProjects/sampleProject/hive/events/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/mailer/flows/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/mailer/templates/.jvm/target/scala-2.12/test-classes:/Users/user/IdeaProjects/sampleProject/mailer/templates/.jvm/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/payments/data/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/tenants/data/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/mailer/mandrill-api/target/scala-2.12/test-classes:/Users/user/IdeaProjects/sampleProject/mailer/mandrill-api/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/monitor/events/target/scala-2.12/test-classes:/Users/user/IdeaProjects/sampleProject/monitor/events/target/scala-2.12/classes:/Users/user/IdeaProjects/sampleProject/scoring/events/target/scala-2.12/test-classes:/Users/user/IdeaProjects/sampleProject/scoring/events/target/scala-2.12/classes:/Users/user/.ivy2/cache/ch.qos.logback/logback-classic/jars/logback-classic-1.2.3.jar:/Users/user/.ivy2/cache/ch.qos.logback/logback-core/jars/logback-core-1.2.3.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-core/jars/aws-java-sdk-core-1.11.342.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-dynamodb/jars/aws-java-sdk-dynamodb-1.11.285.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-ec2/jars/aws-java-sdk-ec2-1.11.285.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-emr/jars/aws-java-sdk-emr-1.11.285.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-iam/jars/aws-java-sdk-iam-1.11.285.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-kinesis/jars/aws-java-sdk-kinesis-1.11.342.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-kms/jars/aws-java-sdk-kms-1.11.285.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-redshift/jars/aws-java-sdk-redshift-1.11.285.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-s3/jars/aws-java-sdk-s3-1.11.285.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-simpledb/jars/aws-java-sdk-simpledb-1.11.285.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-sns/jars/aws-java-sdk-sns-1.11.342.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-sqs/jars/aws-java-sdk-sqs-1.11.342.jar:/Users/user/.ivy2/cache/com.amazonaws/aws-java-sdk-stepfunctions/jars/aws-java-sdk-stepfunctions-1.11.285.jar:/Users/user/.ivy2/cache/com.ama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/bundles/scala-parser-combinators_2.12-1.1.1.jar:/Users/user/.ivy2/cache/org.scala-lang.modules/scala-xml_2.12/bundles/scala-xml_2.12-1.1.1.jar:/Users/user/.ivy2/cache/org.scalactic/scalactic_2.12/bundles/scalactic_2.12-3.0.5.jar:/Users/user/.ivy2/cache/org.scalamock/scalamock-core_2.12/jars/scalamock-core_2.12-3.6.0.jar:/Users/user/.ivy2/cache/org.scalamock/scalamock-scalatest-support_2.12/jars/scalamock-scalatest-support_2.12-3.6.0.jar:/Users/user/.ivy2/cache/org.scalatest/scalatest_2.12/bundles/scalatest_2.12-3.0.5.jar:/Users/user/.ivy2/cache/org.scalatra.scalate/scalate-core_2.12/jars/scalate-core_2.12-1.8.0.jar:/Users/user/.ivy2/cache/org.scalatra.scalate/scalate-util_2.12/jars/scalate-util_2.12-1.8.0.jar:/Users/user/.ivy2/cache/org.scalaz/scalaz-core_2.12/bundles/scalaz-core_2.12-7.2.8.jar:/Users/user/.ivy2/cache/org.scaldi/scaldi_2.12/jars/scaldi_2.12-0.5.8.jar:/Users/user/.ivy2/cache/org.scommons.service/scommons-service-dao_2.12/jars/scommons-service-dao_2.12-0.1.0.jar:/Users/user/.ivy2/cache/org.slf4j/jcl-over-slf4j/jars/jcl-over-slf4j-1.7.25.jar:/Users/user/.ivy2/cache/org.slf4j/jul-to-slf4j/jars/jul-to-slf4j-1.7.25.jar:/Users/user/.ivy2/cache/org.slf4j/slf4j-api/jars/slf4j-api-1.7.25.jar:/Users/user/.ivy2/cache/org.spire-math/imp_2.12/jars/imp_2.12-0.3.0.jar:/Users/user/.ivy2/cache/org.spire-math/jawn-parser_2.12/jars/jawn-parser_2.12-0.11.1.jar:/Users/user/.ivy2/cache/org.typelevel/cats-core_2.12/jars/cats-core_2.12-1.1.0.jar:/Users/user/.ivy2/cache/org.typelevel/cats-kernel_2.12/jars/cats-kernel_2.12-1.1.0.jar:/Users/user/.ivy2/cache/org.typelevel/cats-macros_2.12/jars/cats-macros_2.12-1.1.0.jar:/Users/user/.ivy2/cache/org.typelevel/machinist_2.12/jars/machinist_2.12-0.6.2.jar:/Users/user/.ivy2/cache/org.typelevel/macro-compat_2.12/jars/macro-compat_2.12-1.1.1.jar:/Users/user/.ivy2/cache/org.webjars/swagger-ui/jars/swagger-ui-2.2.6.jar:/Users/user/.ivy2/cache/org.webjars/webjars-locator-core/jars/webjars-locator-core-0.35.jar:/Users/user/.ivy2/cache/org.xhtmlrenderer/flying-saucer-core/jars/flying-saucer-core-9.1.13.jar:/Users/user/.ivy2/cache/org.xhtmlrenderer/flying-saucer-pdf-itext5/jars/flying-saucer-pdf-itext5-9.1.13.jar:/Users/user/.ivy2/cache/org.yaml/snakeyaml/bundles/snakeyaml-1.18.jar:/Users/user/.ivy2/cache/software.amazon.ion/ion-java/bundles/ion-java-1.0.2.jar:/Users/user/.ivy2/cache/stax/stax-api/jars/stax-api-1.0.1.jar:/Users/user/.ivy2/cache/com.google.code.gson/gson/jars/gson-2.8.5.jar:/Users/user/.ivy2/cache/com.stripe/stripe-java/jars/stripe-java-10.14.0.jar" org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner -s hive.test.AllIntegrationTests -C org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestReporter -showProgressMessages true

Unable to load a Suite class. This could be due to an error in your runpath. Missing class: hive.test.AllIntegrationTests
java.lang.ClassNotFoundException: hive.test.AllIntegrationTests
    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at org.scalatest.tools.Runner$.$anonfun$doRunRunRunDaDoRunRun$6(Runner.scala:1213)
    at org.scalatest.tools.Runner$.$anonfun$doRunRunRunDaDoRunRun$6$adapted(Runner.scala:1211)
    at scala.collection.TraversableLike.$anonfun$filterImpl$1(TraversableLike.scala:251)
    at scala.collection.immutable.List.foreach(List.scala:392)
    at scala.collection.TraversableLike.filterImpl(TraversableLike.scala:250)
    at scala.collection.TraversableLike.filterImpl$(TraversableLike.scala:248)
    at scala.collection.AbstractTraversable.filterImpl(Traversable.scala:108)
    at scala.collection.TraversableLike.filter(TraversableLike.scala:262)
    at scala.collection.TraversableLike.filter$(TraversableLike.scala:262)
    at scala.collection.AbstractTraversable.filter(Traversable.scala:108)
    at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:1211)
    at org.scalatest.tools.Runner$.$anonfun$runOptionallyWithPassFailReporter$24(Runner.scala:1031)
    at org.scalatest.tools.Runner$.$anonfun$runOptionallyWithPassFailReporter$24$adapted(Runner.scala:1010)
    at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:1506)
    at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1010)
    at org.scalatest.tools.Runner$.run(Runner.scala:850)
    at org.scalatest.tools.Runner.run(Runner.scala)
    at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.runScalaTest2(ScalaTestRunner.java:131)
    at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.main(ScalaTestRunner.java:28)


Process finished with exit code 0

I followed this post on SO ( 'Unable to load a Suite class' while running ScalaTest in IntelliJ ) and systematically tried all the suggestions provided by people.

By the way those same tests run successfully when I run them using the command line using the command

sbt -mem 2048 "project projectName" test it:test

However, I was not able to resolve the issue. I also tried downgrading the Intellij version as well as Java version as the last resort, but did not find any luck. Any pointers to solve my current problem will be highly appreciated. Thanks in advance !!!

Answer 1

First make sure it works when running sbt it:test or if you use sub-modules sbt module/it:test

If it doesn't sbt has this great resource: https://www.scala-sbt.org/1.x/docs/Testing.html#Integration+Tests

As a template for a working setup, a build.sbt :

ThisBuild / name := "project"
ThisBuild / organization := "dk.rohdef.project"
ThisBuild / version := "0.1"
ThisBuild / scalaVersion := "2.13.0"


lazy val IntTest = IntegrationTest extend(Test)

lazy val root = project
    .in(file("."))
    .configs(IntTest)
    .settings(
      Defaults.itSettings
    )

Be aware that if you run sub-projects/modules it seems that you need to set configs and settings for each module.

The integration tests should be located in src/it/scala - and yes abbreviating integration tests to it is bad, but it seems to be the de-facto standard :(

Then close IntelliJ, and delete .idea from your project folder (or take a backup if paranoid). Open you project again, and import it from sbt. I only check "Library sources" and "Allow overriding sbt version", but it should work no matter what configuration you use.

Other things to try

• Reload the sbt settings in IntelliJ
• File -> Invalidate Caches/Restart
• Check settings in File -> Settings -> Build, Execution, Deployment -> sbt (including that the right Java version is used, from experience 1.8 seems to be a good choice)
• Check that the right Java version is used in File -> Project Settings -> Project
• If nothing else works, try to run with clean settings, rename or delete your settings folder in the location specified by: https://www.jetbrains.com/help/idea/configuring-project-and-ide-settings.html#restore-defaults

Answer 2

I had installed two plugins in Intellij

1. Scala plugin by Jetbrains
2. SBT plugin by some 3rd party

Removing the SBT plugin enabled me to run the integration test cases from Intellij again.