| /* |
| * 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.Field; |
| 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.sink.SinkRecord; |
| 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 SetSchemaMetadataTest { |
| private final SetSchemaMetadata<SinkRecord> xform = new SetSchemaMetadata.Value<>(); |
| |
| @After |
| public void teardown() { |
| xform.close(); |
| } |
| |
| @Test |
| public void schemaNameUpdate() { |
| xform.configure(Collections.singletonMap("schema.name", "foo")); |
| final SinkRecord record = new SinkRecord("", 0, null, null, SchemaBuilder.struct().build(), null, 0); |
| final SinkRecord updatedRecord = xform.apply(record); |
| assertEquals("foo", updatedRecord.valueSchema().name()); |
| } |
| |
| @Test |
| public void schemaVersionUpdate() { |
| xform.configure(Collections.singletonMap("schema.version", 42)); |
| final SinkRecord record = new SinkRecord("", 0, null, null, SchemaBuilder.struct().build(), null, 0); |
| final SinkRecord updatedRecord = xform.apply(record); |
| assertEquals(new Integer(42), updatedRecord.valueSchema().version()); |
| } |
| |
| @Test |
| public void schemaNameAndVersionUpdate() { |
| final Map<String, String> props = new HashMap<>(); |
| props.put("schema.name", "foo"); |
| props.put("schema.version", "42"); |
| |
| xform.configure(props); |
| |
| final SinkRecord record = new SinkRecord("", 0, null, null, SchemaBuilder.struct().build(), null, 0); |
| |
| final SinkRecord updatedRecord = xform.apply(record); |
| |
| assertEquals("foo", updatedRecord.valueSchema().name()); |
| assertEquals(new Integer(42), updatedRecord.valueSchema().version()); |
| } |
| |
| @Test |
| public void schemaNameAndVersionUpdateWithStruct() { |
| final String fieldName1 = "f1"; |
| final String fieldName2 = "f2"; |
| final String fieldValue1 = "value1"; |
| final int fieldValue2 = 1; |
| final Schema schema = SchemaBuilder.struct() |
| .name("my.orig.SchemaDefn") |
| .field(fieldName1, Schema.STRING_SCHEMA) |
| .field(fieldName2, Schema.INT32_SCHEMA) |
| .build(); |
| final Struct value = new Struct(schema).put(fieldName1, fieldValue1).put(fieldName2, fieldValue2); |
| |
| final Map<String, String> props = new HashMap<>(); |
| props.put("schema.name", "foo"); |
| props.put("schema.version", "42"); |
| xform.configure(props); |
| |
| final SinkRecord record = new SinkRecord("", 0, null, null, schema, value, 0); |
| |
| final SinkRecord updatedRecord = xform.apply(record); |
| |
| assertEquals("foo", updatedRecord.valueSchema().name()); |
| assertEquals(new Integer(42), updatedRecord.valueSchema().version()); |
| |
| // Make sure the struct's schema and fields all point to the new schema |
| assertMatchingSchema((Struct) updatedRecord.value(), updatedRecord.valueSchema()); |
| } |
| |
| @Test |
| public void updateSchemaOfStruct() { |
| final String fieldName1 = "f1"; |
| final String fieldName2 = "f2"; |
| final String fieldValue1 = "value1"; |
| final int fieldValue2 = 1; |
| final Schema schema = SchemaBuilder.struct() |
| .name("my.orig.SchemaDefn") |
| .field(fieldName1, Schema.STRING_SCHEMA) |
| .field(fieldName2, Schema.INT32_SCHEMA) |
| .build(); |
| final Struct value = new Struct(schema).put(fieldName1, fieldValue1).put(fieldName2, fieldValue2); |
| |
| final Schema newSchema = SchemaBuilder.struct() |
| .name("my.updated.SchemaDefn") |
| .field(fieldName1, Schema.STRING_SCHEMA) |
| .field(fieldName2, Schema.INT32_SCHEMA) |
| .build(); |
| |
| Struct newValue = (Struct) SetSchemaMetadata.updateSchemaIn(value, newSchema); |
| assertMatchingSchema(newValue, newSchema); |
| } |
| |
| @Test |
| public void updateSchemaOfNonStruct() { |
| Object value = new Integer(1); |
| Object updatedValue = SetSchemaMetadata.updateSchemaIn(value, Schema.INT32_SCHEMA); |
| assertSame(value, updatedValue); |
| } |
| |
| @Test |
| public void updateSchemaOfNull() { |
| Object updatedValue = SetSchemaMetadata.updateSchemaIn(null, Schema.INT32_SCHEMA); |
| assertEquals(null, updatedValue); |
| } |
| |
| protected void assertMatchingSchema(Struct value, Schema schema) { |
| assertSame(schema, value.schema()); |
| assertEquals(schema.name(), value.schema().name()); |
| for (Field field : schema.fields()) { |
| String fieldName = field.name(); |
| assertEquals(schema.field(fieldName).name(), value.schema().field(fieldName).name()); |
| assertEquals(schema.field(fieldName).index(), value.schema().field(fieldName).index()); |
| assertSame(schema.field(fieldName).schema(), value.schema().field(fieldName).schema()); |
| } |
| } |
| } |