Add Scio interpreter tests

scio/src/test/java/org/apache/zeppelin/scio/ScioInterpreterTest.java

@@ -0,0 +1,95 @@
+/*
+ * 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.zeppelin.scio;
+
+import org.apache.zeppelin.display.AngularObjectRegistry;
+import org.apache.zeppelin.display.GUI;
+import org.apache.zeppelin.interpreter.*;
+import org.apache.zeppelin.resource.LocalResourcePool;
+import org.apache.zeppelin.user.AuthenticationInfo;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.Properties;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class ScioInterpreterTest {
+  private static ScioInterpreter repl;
+  private static InterpreterGroup intpGroup;
+  private InterpreterContext context;
+
+  private static Properties getScioTestProperties() {
+    Properties p = new Properties();
+    //TODO: do we need some properties here?
+    return p;
+  }
+
+  @Before
+  public void setUp() throws Exception {
+    if (repl == null) {
+      intpGroup = new InterpreterGroup();
+      intpGroup.put("note", new LinkedList<Interpreter>());
+      repl = new ScioInterpreter(getScioTestProperties());
+      repl.setInterpreterGroup(intpGroup);
+      intpGroup.get("note").add(repl);
+      repl.open();
+    }
+
+    context = new InterpreterContext("note", "id", "title", "text",
+        new AuthenticationInfo(),
+        new HashMap<String, Object>(),
+        new GUI(),
+        new AngularObjectRegistry(intpGroup.getId(), null),
+        new LocalResourcePool("id"),
+        new LinkedList<InterpreterContextRunner>(),
+        new InterpreterOutput(new InterpreterOutputListener() {
+          @Override
+          public void onAppend(InterpreterOutput out, byte[] line) {
+          }
+
+          @Override
+          public void onUpdate(InterpreterOutput out, byte[] output) {
+          }
+        }));
+  }
+
+  @Test
+  public void testBasicIntp() {
+    assertEquals(InterpreterResult.Code.SUCCESS,
+        repl.interpret("val a = 1\nval b = 2", context).code());
+
+    assertEquals(InterpreterResult.Code.ERROR,
+        repl.interpret("val a:Int = 'ds'", context).code());
+
+    InterpreterResult incomplete = repl.interpret("val a = \"\"\"", context);
+    assertEquals(InterpreterResult.Code.INCOMPLETE, incomplete.code());
+    assertTrue(incomplete.message().length() > 0);
+  }
+
+  @Test
+  public void testBasicPipeline() {
+    assertEquals(InterpreterResult.Code.SUCCESS,
+        repl.interpret("sc.parallelize(1 to 10).closeAndCollect().toList", context).code());
+  }
+}

scio/src/test/resources/log4j.properties

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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.
+#
+
+log4j.rootLogger = INFO, stdout
+
+log4j.appender.stdout = org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%5p [%d] ({%t} %F[%M]:%L) - %m%n