Merge pull request #825 from shivaram/maven-repl-fix

Set SPARK_CLASSPATH for maven repl tests

repl/pom.xml

@@ -73,6 +73,35 @@
     <outputDirectory>target/scala-${scala.version}/classes</outputDirectory>
     <testOutputDirectory>target/scala-${scala.version}/test-classes</testOutputDirectory>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-antrun-plugin</artifactId>
+        <executions>
+          <execution>
+            <phase>test</phase>
+            <goals>
+              <goal>run</goal>
+            </goals>
+            <configuration>
+              <exportAntProperties>true</exportAntProperties>
+              <tasks>
+                <property name="spark.classpath" refid="maven.test.classpath"/>
+                <property environment="env"/>
+                <fail message="Please set the SCALA_HOME (or SCALA_LIBRARY_PATH if scala is on the path) environment variables and retry.">
+                  <condition>
+                    <not>
+                      <or>
+                        <isset property="env.SCALA_HOME"/>
+                        <isset property="env.SCALA_LIBRARY_PATH"/>
+                      </or>
+                    </not>
+                  </condition>
+                </fail>
+              </tasks>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <groupId>org.scalatest</groupId>
         <artifactId>scalatest-maven-plugin</artifactId>
@@ -80,6 +109,7 @@
           <environmentVariables>
             <SPARK_HOME>${basedir}/..</SPARK_HOME>
             <SPARK_TESTING>1</SPARK_TESTING>
+            <SPARK_CLASSPATH>${spark.classpath}</SPARK_CLASSPATH>
           </environmentVariables>
         </configuration>
       </plugin>