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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 java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import java.lang.annotation.Annotation;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import java.lang.reflect.Method;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.common.parameters.annotations.Items;
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 TestItemValidator extends ValidatorUtil {
// annotated fields - each field must have exactly one annotation
/**
* This annotation does not contain a method returning an array.
*/
@Min(value = 0)
private int notArray;
/**
* This annotation doesn't contain any annotations that the {@link BeanValidator}
* recognizes.
*/
@SimpleItems(simple = {@Simple})
private int mismatch;
/**
* Annotation with no sub-annotations.
*/
@Items()
private int noAnnotations;
/**
* One matching sub-annotation.
*/
@Items(notNull = {@NotNull})
private int match;
/**
* Excess matching sub-annotations of a single type.
*/
@Items(notNull = {@NotNull, @NotNull})
private int excess;
/**
* Multiple matching annotations.
*/
@Items(notNull = {@NotNull}, notBlank = {@NotBlank})
private String multiMatch;
@Before
public void setUp() {
bean = new BeanValidator();
}
@Test
public void testGetAnnotation() {
// no matches
assertThat(new ItemValidator(bean, getAnnot("noAnnotations"), true).isEmpty()).isTrue();
// had a match
assertThat(new ItemValidator(bean, getAnnot("match"), true).isEmpty()).isFalse();
// with an exception
IllegalAccessException ex = new IllegalAccessException("expected exception");
assertThatThrownBy(() -> new ItemValidator(bean, getAnnot("match"), true) {
@Override
protected <T extends Annotation> T getAnnotation2(Class<T> annotClass, Method method)
throws IllegalAccessException {
throw ex;
}
}).hasCause(ex);
// multiple matches
ItemValidator validator = new ItemValidator(bean, getAnnot("multiMatch"), true);
BeanValidationResult result = new BeanValidationResult(MY_NAME, this);
validator.validateValue(result, MY_FIELD, HELLO);
assertThat(result.getResult()).isNull();
result = new BeanValidationResult(MY_NAME, this);
validator.validateValue(result, MY_FIELD, null);
assertThat(result.getResult()).isNotNull();
result = new BeanValidationResult(MY_NAME, this);
validator.validateValue(result, MY_FIELD, "");
assertThat(result.getResult()).isNotNull();
}
@Test
public void testItemValidatorBeanValidatorAnnotation() {
assertThat(new ItemValidator(bean, getAnnot("match")).isEmpty()).isFalse();
}
@Test
public void testItemValidatorBeanValidatorAnnotationBoolean() {
assertThat(new ItemValidator(bean, getAnnot("match"), true).isEmpty()).isFalse();
assertThat(new ItemValidator(bean, getAnnot("match"), false).isEmpty()).isTrue();
}
@Test
public void testGetAnnotation2() {
assertThat(new ItemValidator(bean, getAnnot("notArray"), true).isEmpty()).isTrue();
assertThat(new ItemValidator(bean, getAnnot("mismatch"), true).isEmpty()).isTrue();
assertThat(new ItemValidator(bean, getAnnot("noAnnotations"), true).isEmpty()).isTrue();
assertThat(new ItemValidator(bean, getAnnot("match"), true).isEmpty()).isFalse();
Annotation excess = getAnnot("excess");
assertThatThrownBy(() -> new ItemValidator(bean, excess, true)).isInstanceOf(IllegalArgumentException.class);
}
// these annotations are not recognized by the BeanValidator
@Retention(RUNTIME)
@Target(FIELD)
public @interface Simple {
}
@Retention(RUNTIME)
@Target(FIELD)
public @interface SimpleItems {
/**
* Validates that it's simple.
*/
Simple[] simple() default {};
}
}
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