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RecordFieldExtractorTests.java
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RecordFieldExtractorTests.java
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/*
* Copyright 2022 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.batch.item.file.transform;
import org.junit.Assert;
import org.junit.Test;
/**
* @author Mahmoud Ben Hassine
*/
public class RecordFieldExtractorTests {
@Test(expected = IllegalArgumentException.class)
public void testSetupWithNullTargetType() {
new RecordFieldExtractor<>(null);
}
@Test(expected = IllegalArgumentException.class)
public void testSetupWithNonRecordTargetType() {
new RecordFieldExtractor<>(NonRecordType.class);
}
@Test
public void testExtractFields() {
// given
RecordFieldExtractor<Person> recordFieldExtractor = new RecordFieldExtractor<>(Person.class);
Person person = new Person(1, "foo");
// when
Object[] fields = recordFieldExtractor.extract(person);
// then
Assert.assertNotNull(fields);
Assert.assertArrayEquals(new Object[] { 1, "foo" }, fields);
}
@Test
public void testExtractFieldsSubset() {
// given
RecordFieldExtractor<Person> recordFieldExtractor = new RecordFieldExtractor<>(Person.class);
recordFieldExtractor.setNames("name");
Person person = new Person(1, "foo");
// when
Object[] fields = recordFieldExtractor.extract(person);
// then
Assert.assertNotNull(fields);
Assert.assertArrayEquals(new Object[] { "foo" }, fields);
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidComponentName() {
// given
RecordFieldExtractor<Person> recordFieldExtractor = new RecordFieldExtractor<>(Person.class);
recordFieldExtractor.setNames("nonExistent");
Person person = new Person(1, "foo");
// when
recordFieldExtractor.extract(person);
// then
// expected exception
}
public record Person(int id, String name) {
}
public class NonRecordType {
}
}