content: /*
   * 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
   * <p/>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p/>
   * 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.flink.streaming.siddhi.schema;
  
  import org.apache.flink.api.common.typeinfo.TypeInformation;
  import org.apache.flink.api.common.typeinfo.Types;
  import org.apache.flink.api.java.tuple.Tuple2;
  import org.apache.flink.api.java.tuple.Tuple4;
  import org.apache.flink.api.java.typeutils.PojoTypeInfo;
  import org.apache.flink.api.java.typeutils.TypeExtractor;
  import org.apache.flink.streaming.siddhi.source.Event;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  public class StreamSchemaTest {
      @Test
      public void testStreamSchemaWithPojo() {
          TypeInformation<Event> typeInfo = TypeExtractor.createTypeInfo(Event.class);
          assertTrue("Type information should be PojoTypeInfo", typeInfo instanceof PojoTypeInfo);
          StreamSchema<Event> schema = new StreamSchema<>(typeInfo, "id", "timestamp", "name", "price");
          assertEquals(4, schema.getFieldIndexes().length);
          assertEquals(Event.class, schema.getTypeInfo().getTypeClass());
      }
  
      @Test
      public void testStreamSchemaWithTuple() {
          TypeInformation<Tuple4<Integer,Long,String,Double>> typeInfo = Types.TUPLE(Types.INT, Types.LONG, Types.STRING, Types.DOUBLE);
          StreamSchema<Tuple4<Integer,Long,String,Double>> schema = new StreamSchema<>(typeInfo, "id", "timestamp", "name", "price");
          assertEquals(Tuple4.class, schema.getTypeInfo().getTypeClass());
          assertEquals(4, schema.getFieldIndexes().length);
          assertEquals(Tuple4.class, schema.getTypeInfo().getTypeClass());
      }
  
      @Test
      public void testStreamSchemaWithPrimitive() {
          TypeInformation<String> typeInfo = Types.STRING;
          StreamSchema<String> schema = new StreamSchema<>(typeInfo, "words");
          assertEquals(String.class, schema.getTypeInfo().getTypeClass());
          assertEquals(1, schema.getFieldIndexes().length);
          assertEquals(String.class, schema.getTypeInfo().getTypeClass());
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void testStreamSchemaWithPojoAndUnknownField() {
          TypeInformation<Event> typeInfo = TypeExtractor.createTypeInfo(Event.class);
          new StreamSchema<>(typeInfo, "id", "timestamp", "name", "price", "unknown");
      }
  
      @Test
      public void testStreamTupleSerializerWithPojo() {
          TypeInformation<Event> typeInfo = TypeInformation.of(Event.class);
          assertTrue("Type information should be PojoTypeInfo", typeInfo instanceof PojoTypeInfo);
          StreamSchema<Event> schema = new StreamSchema<>(typeInfo, "id", "timestamp", "name", "price");
          assertEquals(Event.class, schema.getTypeInfo().getTypeClass());
  
          TypeInformation<Tuple2<String, Event>> tuple2TypeInformation = Types.TUPLE(Types.STRING, Types.GENERIC(schema.getTypeInfo().getTypeClass()));
          assertEquals("Java Tuple2<String, GenericType<" + Event.class.getName() + ">>", tuple2TypeInformation.toString());
      }
  
      @Test
      public void testStreamTupleSerializerWithTuple() {
          TypeInformation<Tuple4> typeInfo = Types.GENERIC(Tuple4.class);
          StreamSchema<Tuple4> schema = new StreamSchema<>(typeInfo, "id", "timestamp", "name", "price");
          assertEquals(Tuple4.class, schema.getTypeInfo().getTypeClass());
          TypeInformation<Tuple2<String, Tuple4>> tuple2TypeInformation = Types.TUPLE(Types.STRING, schema.getTypeInfo());
          assertEquals("Java Tuple2<String, GenericType<" + Tuple4.class.getName() + ">>", tuple2TypeInformation.toString());
      }
  
      @Test
      public void testStreamTupleSerializerWithPrimitive() {
          TypeInformation<String> typeInfo = Types.STRING;
          StreamSchema<String> schema = new StreamSchema<>(typeInfo, "words");
          assertEquals(String.class, schema.getTypeInfo().getTypeClass());
          TypeInformation<Tuple2<String, String>> tuple2TypeInformation = Types.TUPLE(Types.STRING, schema.getTypeInfo());
          assertEquals("Java Tuple2<String, String>", tuple2TypeInformation.toString());
      }
  }
  