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
   *
   *     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.beam.sdk.extensions.euphoria.core.client.operator;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  import org.apache.beam.sdk.values.PCollection;
  import org.apache.beam.sdk.values.TypeDescriptors;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Test operator Filter. */
  @RunWith(JUnit4.class)
  @SuppressWarnings({
    "rawtypes" // TODO(https://github.com/apache/beam/issues/20447)
  })
  public class FilterTest {
  
    @Test
    public void testBuild() {
      final PCollection<String> dataset = TestUtils.createMockDataset(TypeDescriptors.strings());
      final PCollection<String> filtered =
          Filter.named("Filter1").of(dataset).by(s -> !s.equals("")).output();
      final Filter filter = (Filter) TestUtils.getProducer(filtered);
      assertTrue(filter.getName().isPresent());
      assertEquals("Filter1", filter.getName().get());
      assertNotNull(filter.getPredicate());
    }
  
    @Test
    public void testBuild_implicitName() {
      final PCollection<String> dataset = TestUtils.createMockDataset(TypeDescriptors.strings());
      final PCollection<String> filtered = Filter.of(dataset).by(s -> !s.equals("")).output();
      final Filter filter = (Filter) TestUtils.getProducer(filtered);
      assertFalse(filter.getName().isPresent());
    }
  }
  