| /* |
| * 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.kafka.connect.transforms; |
| |
| import org.apache.kafka.connect.data.Schema; |
| import org.apache.kafka.connect.data.SchemaBuilder; |
| import org.apache.kafka.connect.data.Struct; |
| import org.apache.kafka.connect.data.Timestamp; |
| import org.apache.kafka.connect.errors.DataException; |
| import org.apache.kafka.connect.source.SourceRecord; |
| import org.junit.After; |
| import org.junit.Test; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertSame; |
| |
| public class InsertFieldTest { |
| private InsertField<SourceRecord> xformKey = new InsertField.Key<>(); |
| private InsertField<SourceRecord> xformValue = new InsertField.Value<>(); |
| |
| @After |
| public void teardown() { |
| xformValue.close(); |
| } |
| |
| @Test(expected = DataException.class) |
| public void topLevelStructRequired() { |
| xformValue.configure(Collections.singletonMap("topic.field", "topic_field")); |
| xformValue.apply(new SourceRecord(null, null, "", 0, Schema.INT32_SCHEMA, 42)); |
| } |
| |
| @Test |
| public void copySchemaAndInsertConfiguredFields() { |
| final Map<String, Object> props = new HashMap<>(); |
| props.put("topic.field", "topic_field!"); |
| props.put("partition.field", "partition_field"); |
| props.put("timestamp.field", "timestamp_field?"); |
| props.put("static.field", "instance_id"); |
| props.put("static.value", "my-instance-id"); |
| |
| xformValue.configure(props); |
| |
| final Schema simpleStructSchema = SchemaBuilder.struct().name("name").version(1).doc("doc").field("magic", Schema.OPTIONAL_INT64_SCHEMA).build(); |
| final Struct simpleStruct = new Struct(simpleStructSchema).put("magic", 42L); |
| |
| final SourceRecord record = new SourceRecord(null, null, "test", 0, simpleStructSchema, simpleStruct); |
| final SourceRecord transformedRecord = xformValue.apply(record); |
| |
| assertEquals(simpleStructSchema.name(), transformedRecord.valueSchema().name()); |
| assertEquals(simpleStructSchema.version(), transformedRecord.valueSchema().version()); |
| assertEquals(simpleStructSchema.doc(), transformedRecord.valueSchema().doc()); |
| |
| assertEquals(Schema.OPTIONAL_INT64_SCHEMA, transformedRecord.valueSchema().field("magic").schema()); |
| assertEquals(42L, ((Struct) transformedRecord.value()).getInt64("magic").longValue()); |
| |
| assertEquals(Schema.STRING_SCHEMA, transformedRecord.valueSchema().field("topic_field").schema()); |
| assertEquals("test", ((Struct) transformedRecord.value()).getString("topic_field")); |
| |
| assertEquals(Schema.OPTIONAL_INT32_SCHEMA, transformedRecord.valueSchema().field("partition_field").schema()); |
| assertEquals(0, ((Struct) transformedRecord.value()).getInt32("partition_field").intValue()); |
| |
| assertEquals(Timestamp.builder().optional().build(), transformedRecord.valueSchema().field("timestamp_field").schema()); |
| assertEquals(null, ((Struct) transformedRecord.value()).getInt64("timestamp_field")); |
| |
| assertEquals(Schema.OPTIONAL_STRING_SCHEMA, transformedRecord.valueSchema().field("instance_id").schema()); |
| assertEquals("my-instance-id", ((Struct) transformedRecord.value()).getString("instance_id")); |
| |
| // Exercise caching |
| final SourceRecord transformedRecord2 = xformValue.apply( |
| new SourceRecord(null, null, "test", 1, simpleStructSchema, new Struct(simpleStructSchema))); |
| assertSame(transformedRecord.valueSchema(), transformedRecord2.valueSchema()); |
| } |
| |
| @Test |
| public void schemalessInsertConfiguredFields() { |
| final Map<String, Object> props = new HashMap<>(); |
| props.put("topic.field", "topic_field!"); |
| props.put("partition.field", "partition_field"); |
| props.put("timestamp.field", "timestamp_field?"); |
| props.put("static.field", "instance_id"); |
| props.put("static.value", "my-instance-id"); |
| |
| xformValue.configure(props); |
| |
| final SourceRecord record = new SourceRecord(null, null, "test", 0, |
| null, Collections.singletonMap("magic", 42L)); |
| |
| final SourceRecord transformedRecord = xformValue.apply(record); |
| |
| assertEquals(42L, ((Map<?, ?>) transformedRecord.value()).get("magic")); |
| assertEquals("test", ((Map<?, ?>) transformedRecord.value()).get("topic_field")); |
| assertEquals(0, ((Map<?, ?>) transformedRecord.value()).get("partition_field")); |
| assertEquals(null, ((Map<?, ?>) transformedRecord.value()).get("timestamp_field")); |
| assertEquals("my-instance-id", ((Map<?, ?>) transformedRecord.value()).get("instance_id")); |
| } |
| |
| |
| @Test |
| public void insertConfiguredFieldsIntoTombstoneEventWithoutSchemaLeavesValueUnchanged() { |
| final Map<String, Object> props = new HashMap<>(); |
| props.put("topic.field", "topic_field!"); |
| props.put("partition.field", "partition_field"); |
| props.put("timestamp.field", "timestamp_field?"); |
| props.put("static.field", "instance_id"); |
| props.put("static.value", "my-instance-id"); |
| |
| xformValue.configure(props); |
| |
| final SourceRecord record = new SourceRecord(null, null, "test", 0, |
| null, null); |
| |
| final SourceRecord transformedRecord = xformValue.apply(record); |
| |
| assertEquals(null, transformedRecord.value()); |
| assertEquals(null, transformedRecord.valueSchema()); |
| } |
| |
| @Test |
| public void insertConfiguredFieldsIntoTombstoneEventWithSchemaLeavesValueUnchanged() { |
| final Map<String, Object> props = new HashMap<>(); |
| props.put("topic.field", "topic_field!"); |
| props.put("partition.field", "partition_field"); |
| props.put("timestamp.field", "timestamp_field?"); |
| props.put("static.field", "instance_id"); |
| props.put("static.value", "my-instance-id"); |
| |
| xformValue.configure(props); |
| |
| final Schema simpleStructSchema = SchemaBuilder.struct().name("name").version(1).doc("doc").field("magic", Schema.OPTIONAL_INT64_SCHEMA).build(); |
| |
| final SourceRecord record = new SourceRecord(null, null, "test", 0, |
| simpleStructSchema, null); |
| |
| final SourceRecord transformedRecord = xformValue.apply(record); |
| |
| assertEquals(null, transformedRecord.value()); |
| assertEquals(simpleStructSchema, transformedRecord.valueSchema()); |
| } |
| |
| @Test |
| public void insertKeyFieldsIntoTombstoneEvent() { |
| final Map<String, Object> props = new HashMap<>(); |
| props.put("topic.field", "topic_field!"); |
| props.put("partition.field", "partition_field"); |
| props.put("timestamp.field", "timestamp_field?"); |
| props.put("static.field", "instance_id"); |
| props.put("static.value", "my-instance-id"); |
| |
| xformKey.configure(props); |
| |
| final SourceRecord record = new SourceRecord(null, null, "test", 0, |
| null, Collections.singletonMap("magic", 42L), null, null); |
| |
| final SourceRecord transformedRecord = xformKey.apply(record); |
| |
| assertEquals(42L, ((Map<?, ?>) transformedRecord.key()).get("magic")); |
| assertEquals("test", ((Map<?, ?>) transformedRecord.key()).get("topic_field")); |
| assertEquals(0, ((Map<?, ?>) transformedRecord.key()).get("partition_field")); |
| assertEquals(null, ((Map<?, ?>) transformedRecord.key()).get("timestamp_field")); |
| assertEquals("my-instance-id", ((Map<?, ?>) transformedRecord.key()).get("instance_id")); |
| assertEquals(null, transformedRecord.value()); |
| } |
| |
| @Test |
| public void insertIntoNullKeyLeavesRecordUnchanged() { |
| final Map<String, Object> props = new HashMap<>(); |
| props.put("topic.field", "topic_field!"); |
| props.put("partition.field", "partition_field"); |
| props.put("timestamp.field", "timestamp_field?"); |
| props.put("static.field", "instance_id"); |
| props.put("static.value", "my-instance-id"); |
| |
| xformKey.configure(props); |
| |
| final SourceRecord record = new SourceRecord(null, null, "test", 0, |
| null, null, null, Collections.singletonMap("magic", 42L)); |
| |
| final SourceRecord transformedRecord = xformKey.apply(record); |
| |
| assertSame(record, transformedRecord); |
| } |
| } |