/*
 * 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.interpreter;

import org.apache.zeppelin.interpreter.remote.RemoteInterpreter;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;

class InterpreterFactoryTest extends AbstractInterpreterTest {

  @Test
  void testGetFactory() throws InterpreterException {

    assertTrue(interpreterFactory.getInterpreter("", new ExecutionContext("user1", "note1", "test")) instanceof RemoteInterpreter);
    RemoteInterpreter remoteInterpreter = (RemoteInterpreter) interpreterFactory.getInterpreter("", new ExecutionContext("user1", "note1", "test"));
    // EchoInterpreter is the default interpreter because test is the default interpreter group
    assertEquals(EchoInterpreter.class.getName(), remoteInterpreter.getClassName());

    assertTrue(interpreterFactory.getInterpreter("double_echo", new ExecutionContext("user1", "note1", "test")) instanceof RemoteInterpreter);
    remoteInterpreter = (RemoteInterpreter) interpreterFactory.getInterpreter("double_echo", new ExecutionContext("user1", "note1", "test"));
    assertEquals(DoubleEchoInterpreter.class.getName(), remoteInterpreter.getClassName());

    assertTrue(interpreterFactory.getInterpreter("test", new ExecutionContext("user1", "note1", "test")) instanceof RemoteInterpreter);
    remoteInterpreter = (RemoteInterpreter) interpreterFactory.getInterpreter("test", new ExecutionContext("user1", "note1", "test"));
    assertEquals(EchoInterpreter.class.getName(), remoteInterpreter.getClassName());

    assertTrue(interpreterFactory.getInterpreter("test2", new ExecutionContext("user1", "note1", "test")) instanceof RemoteInterpreter);
    remoteInterpreter = (RemoteInterpreter) interpreterFactory.getInterpreter("test2", new ExecutionContext("user1", "note1", "test"));
    assertEquals(EchoInterpreter.class.getName(), remoteInterpreter.getClassName());

    assertTrue(interpreterFactory.getInterpreter("test2.double_echo", new ExecutionContext("user1", "note1", "test")) instanceof RemoteInterpreter);
    remoteInterpreter = (RemoteInterpreter) interpreterFactory.getInterpreter("test2.double_echo", new ExecutionContext("user1", "note1", "test"));
    assertEquals(DoubleEchoInterpreter.class.getName(), remoteInterpreter.getClassName());
  }

  @Test
  void testUnknownRepl1() {
    try {
      interpreterFactory.getInterpreter("test.unknown_repl", new ExecutionContext("user1", "note1", "test"));
      fail("should fail due to no such interpreter");
    } catch (InterpreterNotFoundException e) {
      assertEquals("No such interpreter: test.unknown_repl", e.getMessage());
    }
  }

  @Test
  void testUnknownRepl2() {
    try {
      interpreterFactory.getInterpreter("unknown_repl", new ExecutionContext("user1", "note1", "test"));
      fail("should fail due to no such interpreter");
    } catch (InterpreterNotFoundException e) {
      assertEquals("No such interpreter: unknown_repl", e.getMessage());
    }
  }
}
