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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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
*
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.parameters;
import static org.assertj.core.api.Assertions.assertThat;
import java.lang.annotation.Annotation;
import java.util.concurrent.atomic.AtomicBoolean;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.common.parameters.annotations.Min;
import org.onap.policy.common.parameters.annotations.NotBlank;
import org.onap.policy.common.parameters.annotations.NotNull;
public class TestValueValidator extends ValidatorUtil {
private ValueValidator validator;
// these fields just provide place-holders for annotations
@NotNull
@NotBlank
private final int annotField = 1;
@Before
public void setUp() {
validator = new MyValueValidator();
}
@Test
public void testIsEmpty() {
assertThat(validator.isEmpty()).isTrue();
validator.addAnnotation(NotNull.class, (result2, fieldName, value) -> true);
assertThat(validator.isEmpty()).isFalse();
}
@Test
public void testValidateValue_NullValue() {
BeanValidationResult result = new BeanValidationResult(MY_NAME, this);
validator.validateValue(result, MY_FIELD, null);
assertThat(result.getResult()).isNull();
validator.addAnnotation(NotNull.class,
(result2, fieldName, value) -> result2.validateNotNull(fieldName, value));
validator.validateValue(result, MY_FIELD, null);
assertThat(result.getResult()).contains(MY_FIELD, "null");
}
@Test
public void testValidateValue_NotNullValue() {
BeanValidationResult result = new BeanValidationResult(MY_NAME, this);
validator.validateValue(result, MY_FIELD, HELLO);
assertThat(result.getResult()).isNull();
validator.addAnnotation(NotNull.class,
(result2, fieldName, value) -> result2.validateNotNull(fieldName, value));
validator.validateValue(result, MY_FIELD, HELLO);
assertThat(result.getResult()).isNull();
}
@Test
public void testAddAnnotationClassOfTChecker() {
// the field does not have this annotation
validator.addAnnotation(Min.class, (result2, fieldName, value) -> true);
assertThat(validator.isEmpty()).isTrue();
// "null" flag should stay true with this annotation
assertThat(validator.isNullAllowed()).isTrue();
validator.addAnnotation(NotBlank.class, (result2, fieldName, value) -> true);
assertThat(validator.isNullAllowed()).isTrue();
// "null" flag should become false with this annotation
assertThat(validator.isNullAllowed()).isTrue();
validator.addAnnotation(NotNull.class, (result2, fieldName, value) -> true);
assertThat(validator.isNullAllowed()).isFalse();
}
@Test
public void testAddAnnotationClassOfTCheckerWithAnnotOfT() {
// the field does not have this annotation
validator.addAnnotation(Min.class, (result2, fieldName, annot, value) -> true);
assertThat(validator.isEmpty()).isTrue();
// indicates the annotation value
AtomicBoolean wasNull = new AtomicBoolean(false);
// the field DOES have this annotation
validator.addAnnotation(NotNull.class, (result2, fieldName, annot, value) -> {
wasNull.set(annot instanceof NotNull);
return result2.validateNotNull(fieldName, value);
});
assertThat(validator.isEmpty()).isFalse();
// ensure that the checker is invoked
BeanValidationResult result = new BeanValidationResult(MY_NAME, this);
validator.validateValue(result, MY_FIELD, HELLO);
assertThat(result.getResult()).isNull();
assertThat(wasNull.get()).isTrue();
}
@Test
public void testGetAnnotation() {
assertThat(new ValueValidator().getAnnotation(NotNull.class)).isNull();
}
/**
* Checks for annotations on the "annotField" field.
*/
private static class MyValueValidator extends ValueValidator {
@Override
public <T extends Annotation> T getAnnotation(Class<T> annotClass) {
try {
return TestValueValidator.class.getDeclaredField("annotField").getAnnotation(annotClass);
} catch (NoSuchFieldException | SecurityException e) {
throw new RuntimeException(e);
}
}
}
}
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