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.schemas.transforms;
  
  import com.google.auto.value.AutoValue;
  import org.apache.beam.sdk.schemas.AutoValueSchema;
  import org.apache.beam.sdk.schemas.annotations.DefaultSchema;
  import org.apache.beam.sdk.testing.NeedsRunner;
  import org.apache.beam.sdk.testing.PAssert;
  import org.apache.beam.sdk.testing.TestPipeline;
  import org.apache.beam.sdk.testing.UsesSchema;
  import org.apache.beam.sdk.transforms.Create;
  import org.apache.beam.sdk.values.PCollection;
  import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.Lists;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  import org.junit.rules.ExpectedException;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Test for {@link Filter}. * */
  @RunWith(JUnit4.class)
  @Category(UsesSchema.class)
  public class FilterTest {
    @Rule public final transient TestPipeline pipeline = TestPipeline.create();
    @Rule public transient ExpectedException thrown = ExpectedException.none();
  
    @DefaultSchema(AutoValueSchema.class)
    @AutoValue
    abstract static class Simple {
      abstract String getField1();
  
      abstract int getField2();
  
      abstract int getField3();
    };
  
    @DefaultSchema(AutoValueSchema.class)
    @AutoValue
    abstract static class Nested {
      abstract Simple getNested();
    }
  
    @Test
    @Category(NeedsRunner.class)
    public void testMissingFieldName() {
      thrown.expect(IllegalArgumentException.class);
      pipeline
          .apply(Create.of(new AutoValue_FilterTest_Simple("pass", 52, 2)))
          .apply(Filter.<AutoValue_FilterTest_Simple>create().whereFieldName("missing", f -> true));
      pipeline.run();
    }
  
    @Test
    @Category(NeedsRunner.class)
    public void testMissingFieldIndex() {
      thrown.expect(IllegalArgumentException.class);
      pipeline
          .apply(Create.of(new AutoValue_FilterTest_Simple("pass", 52, 2)))
          .apply(Filter.<AutoValue_FilterTest_Simple>create().whereFieldId(23, f -> true));
      pipeline.run();
    }
  
    @Test
    @Category(NeedsRunner.class)
    public void testFilterFieldsByName() {
      // Pass only elements where field1 == "pass && field2 > 50.
      PCollection<AutoValue_FilterTest_Simple> filtered =
          pipeline
              .apply(
                  Create.of(
                      new AutoValue_FilterTest_Simple("pass", 52, 2),
                      new AutoValue_FilterTest_Simple("pass", 2, 2),
                      new AutoValue_FilterTest_Simple("fail", 100, 100)))
              .apply(
                  Filter.<AutoValue_FilterTest_Simple>create()
                      .whereFieldName("field1", s -> "pass".equals(s))
                      .whereFieldName("field2", (Integer i) -> i > 50));
      PAssert.that(filtered).containsInAnyOrder(new AutoValue_FilterTest_Simple("pass", 52, 2));
      pipeline.run();
    }
  
    @Test
    @Category(NeedsRunner.class)
    public void testFilterOnNestedField() {
      // Pass only elements where field1 == "pass && field2 > 50.
      PCollection<AutoValue_FilterTest_Nested> filtered =
          pipeline
              .apply(
                  Create.of(
                      new AutoValue_FilterTest_Nested(new AutoValue_FilterTest_Simple("pass", 52, 2)),
                      new AutoValue_FilterTest_Nested(new AutoValue_FilterTest_Simple("pass", 2, 2)),
                      new AutoValue_FilterTest_Nested(
                          new AutoValue_FilterTest_Simple("fail", 100, 100))))
              .apply(
                  Filter.<AutoValue_FilterTest_Nested>create()
                      .whereFieldName("nested.field1", s -> "pass".equals(s))
                      .whereFieldName("nested.field2", (Integer i) -> i > 50));
      PAssert.that(filtered)
          .containsInAnyOrder(
              new AutoValue_FilterTest_Nested(new AutoValue_FilterTest_Simple("pass", 52, 2)));
      pipeline.run();
    }
  
    @Test
    @Category(NeedsRunner.class)
    public void testFilterMultipleFields() {
      // Pass only elements where field1 + field2 >= 100.
      PCollection<AutoValue_FilterTest_Simple> filtered =
          pipeline
              .apply(
                  Create.of(
                      new AutoValue_FilterTest_Simple("", 52, 48),
                      new AutoValue_FilterTest_Simple("", 52, 2),
                      new AutoValue_FilterTest_Simple("", 70, 33)))
              .apply(
                  Filter.<AutoValue_FilterTest_Simple>create()
                      .whereFieldNames(
                          Lists.newArrayList("field2", "field3"),
                          r -> r.getInt32("field2") + r.getInt32("field3") >= 100));
      PAssert.that(filtered)
          .containsInAnyOrder(
              new AutoValue_FilterTest_Simple("", 52, 48),
              new AutoValue_FilterTest_Simple("", 70, 33));
      pipeline.run();
    }
  }
  