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.protobuf;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.containsString;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertThrows;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import org.apache.beam.sdk.schemas.Schema;
  import org.apache.beam.sdk.values.Row;
  import org.apache.beam.sdk.values.TypeDescriptor;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Collection of standard tests for Protobuf Schema support. */
  @RunWith(JUnit4.class)
  @SuppressWarnings({
    "rawtypes", // TODO(https://github.com/apache/beam/issues/20447)
  })
  public class ProtoSchemaTranslatorTest {
    @Test
    public void testPrimitiveSchema() {
      assertEquals(
          TestProtoSchemas.PRIMITIVE_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.Primitive.class));
    }
  
    @Test
    public void testOptionalPrimitiveSchema() {
      assertEquals(
          TestProtoSchemas.OPTIONAL_PRIMITIVE_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto2SchemaMessages.OptionalPrimitive.class));
    }
  
    @Test
    public void testProto3OptionalPrimitiveSchema() {
      assertEquals(
          TestProtoSchemas.PROTO3_OPTIONAL_PRIMITIVE_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionalPrimitive.class));
    }
  
    @Test
    public void testRequiredPrimitiveSchema() {
      assertEquals(
          TestProtoSchemas.REQUIRED_PRIMITIVE_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto2SchemaMessages.RequiredPrimitive.class));
    }
  
    @Test
    public void testRepeatedSchema() {
      assertEquals(
          TestProtoSchemas.REPEATED_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.RepeatPrimitive.class));
    }
  
    @Test
    public void testMapPrimitiveSchema() {
      assertEquals(
          TestProtoSchemas.MAP_PRIMITIVE_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.MapPrimitive.class));
    }
  
    @Test
    public void testNestedSchema() {
      assertEquals(
          TestProtoSchemas.NESTED_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.Nested.class));
    }
  
    @Test
    public void testOneOfSchema() {
      assertEquals(
          TestProtoSchemas.ONEOF_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OneOf.class));
    }
  
    @Test
    public void testReversedOneOfSchema() {
      assertEquals(
          TestProtoSchemas.REVERSED_ONEOF_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.ReversedOneOf.class));
    }
  
    @Test
    public void testNonContiguousOneOfSchema() {
      assertEquals(
          TestProtoSchemas.NONCONTIGUOUS_ONEOF_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.NonContiguousOneOf.class));
    }
  
    @Test
    public void testNestedOneOfSchema() {
      assertEquals(
          TestProtoSchemas.OUTER_ONEOF_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OuterOneOf.class));
    }
  
    @Test
    public void testWrapperMessagesSchema() {
      assertEquals(
          TestProtoSchemas.WKT_MESSAGE_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.WktMessage.class));
    }
  
    @Test
    public void testEmptySchema() {
      assertEquals(
          TestProtoSchemas.EMPTY_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.Empty.class));
    }
  
    @Test
    public void testSelfNestedProtoThrows() {
      IllegalArgumentException thrown =
          assertThrows(
              IllegalArgumentException.class,
              () -> {
                new ProtoMessageSchema()
                    .schemaFor(TypeDescriptor.of(Proto3SchemaMessages.SelfNested.class));
              });
  
      assertThat(
          "Message should suggest not using a circular schema reference.",
          thrown.getMessage(),
          containsString("circular reference"));
      assertThat(
          "Message should suggest which class has circular schema reference.",
          thrown.getMessage(),
          containsString("proto3_schema_messages.SelfNested"));
    }
  
    @Test
    public void testCircularNestedProtoThrows() {
      IllegalArgumentException thrown =
          assertThrows(
              IllegalArgumentException.class,
              () -> {
                new ProtoMessageSchema()
                    .schemaFor(TypeDescriptor.of(Proto3SchemaMessages.FirstCircularNested.class));
              });
  
      assertThat(
          "Message should suggest not using a circular schema reference.",
          thrown.getMessage(),
          containsString("circular reference"));
      assertThat(
          "Message should suggest which class has circular schema reference.",
          thrown.getMessage(),
          containsString("proto3_schema_messages.FirstCircularNested"));
    }
  
    @Test
    public void testOptionalNestedSchema() {
      assertEquals(
          TestProtoSchemas.OPTIONAL_NESTED_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto2SchemaMessages.OptionalNested.class));
    }
  
    @Test
    public void testProto3OptionalNestedSchema() {
      assertEquals(
          TestProtoSchemas.PROTO3_OPTIONAL_NESTED_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionalNested.class));
    }
  
    @Test
    public void testRequiredNestedSchema() {
      assertEquals(
          TestProtoSchemas.REQUIRED_NESTED_SCHEMA,
          ProtoSchemaTranslator.getSchema(Proto2SchemaMessages.RequiredNested.class));
    }
  
    @Test
    public void testOptionsInt32OnMessage() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      assertEquals(
          Integer.valueOf(42),
          schema
              .getOptions()
              .getValue("beam:option:proto:message:proto3_schema_options.message_option_int"));
    }
  
    @Test
    public void testOptionsStringOnMessage() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      assertEquals(
          "this is a message string",
          schema
              .getOptions()
              .getValue("beam:option:proto:message:proto3_schema_options.message_option_string"));
    }
  
    @Test
    public void testOptionsMessageOnMessage() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      Row optionMessage =
          schema
              .getOptions()
              .getValue("beam:option:proto:message:proto3_schema_options.message_option_message");
      assertEquals("foobar in message", optionMessage.getString("single_string"));
      assertEquals(Integer.valueOf(12), optionMessage.getInt32("single_int32"));
      assertEquals(Long.valueOf(34L), optionMessage.getInt64("single_int64"));
    }
  
    @Test
    public void testOptionArrayOnMessage() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      List verify =
          new ArrayList(
              (Collection)
                  schema
                      .getOptions()
                      .getValue(
                          "beam:option:proto:message:proto3_schema_options.message_option_repeated"));
      assertEquals("string_1", verify.get(0));
      assertEquals("string_2", verify.get(1));
      assertEquals("string_3", verify.get(2));
    }
  
    @Test
    public void testOptionArrayOfMessagesOnMessage() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      List verify =
          new ArrayList(
              (Collection)
                  schema
                      .getOptions()
                      .getValue(
                          "beam:option:proto:message:proto3_schema_options.message_option_repeated_message"));
      assertEquals(
          "string in message in option in message", ((Row) verify.get(0)).getString("single_string"));
      assertEquals(Integer.valueOf(1), ((Row) verify.get(1)).getInt32("single_int32"));
      assertEquals(Long.valueOf(2L), ((Row) verify.get(2)).getInt64("single_int64"));
    }
  
    @Test
    public void testOptionsInt32OnField() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      Schema.Options options = schema.getField("field_one").getOptions();
      assertEquals(
          Integer.valueOf(13),
          options.getValue("beam:option:proto:field:proto3_schema_options.field_option_int"));
    }
  
    @Test
    public void testOptionsStringOnField() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      Schema.Options options = schema.getField("field_one").getOptions();
      assertEquals(
          "this is a field string",
          options.getValue("beam:option:proto:field:proto3_schema_options.field_option_string"));
    }
  
    @Test
    public void testOptionsMessageOnField() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      Schema.Options options = schema.getField("field_one").getOptions();
      Row optionMessage =
          options.getValue("beam:option:proto:field:proto3_schema_options.field_option_message");
      assertEquals("foobar in field", optionMessage.getString("single_string"));
      assertEquals(Integer.valueOf(56), optionMessage.getInt32("single_int32"));
      assertEquals(Long.valueOf(78L), optionMessage.getInt64("single_int64"));
      assertEquals("this is optional", optionMessage.getString("optional_string"));
    }
  
    @Test
    public void testOptionArrayOnField() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      Schema.Options options = schema.getField("field_one").getOptions();
      List verify =
          new ArrayList(
              (Collection)
                  options.getValue(
                      "beam:option:proto:field:proto3_schema_options.field_option_repeated"));
      assertEquals("field_string_1", verify.get(0));
      assertEquals("field_string_2", verify.get(1));
      assertEquals("field_string_3", verify.get(2));
    }
  
    @Test
    public void testOptionArrayOfMessagesOnField() {
      Schema schema = ProtoSchemaTranslator.getSchema(Proto3SchemaMessages.OptionMessage.class);
      Schema.Options options = schema.getField("field_one").getOptions();
      List verify =
          new ArrayList(
              (Collection)
                  options.getValue(
                      "beam:option:proto:field:proto3_schema_options.field_option_repeated_message"));
      assertEquals(
          "string in message in option in field", ((Row) verify.get(0)).getString("single_string"));
      assertEquals(Integer.valueOf(77), ((Row) verify.get(1)).getInt32("single_int32"));
      assertEquals(Long.valueOf(88L), ((Row) verify.get(2)).getInt64("single_int64"));
    }
  }
  