src/test/java/org/apache/fineract/cn/lang/validation/ValidApplicationNameTest.java

/*
 * 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.fineract.cn.lang.validation;

import org.apache.fineract.cn.lang.validation.constraints.ValidApplicationName;
import org.junit.Assert;
import org.junit.Test;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import java.util.Set;

/**
 * @author Myrle Krantz
 */
public class ValidApplicationNameTest {
  @Test
  public void validApplicationName()
  {
    final AnnotatedClass annotatedInstance = new AnnotatedClass("blub-v1");
    Assert.assertTrue(isValid(annotatedInstance));
  }

  @Test
  public void invalidAppplicationName()
  {
    final AnnotatedClass annotatedInstance = new AnnotatedClass("blubv1");
    Assert.assertFalse(isValid(annotatedInstance));
  }

  @Test
  public void tooLongAppplicationName()
  {
    final StringBuilder stringBuilder = new StringBuilder();
    for (int i = 0; i < 65 -3; i++) {
      stringBuilder.append("b");
    }
    stringBuilder.append("-v1");

    final AnnotatedClass annotatedInstance = new AnnotatedClass(stringBuilder.toString());
    Assert.assertFalse(isValid(annotatedInstance));
  }

  @Test
  public void nullAppplicationName()
  {
    final AnnotatedClass annotatedInstance = new AnnotatedClass(null);
    Assert.assertFalse(isValid(annotatedInstance));
  }

  private boolean isValid(final AnnotatedClass annotatedInstance)
  {

    final ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
    final Validator validator = factory.getValidator();
    final Set<ConstraintViolation<AnnotatedClass>> errors = validator.validate(annotatedInstance);

    return errors.size() == 0;
  }

  private static class AnnotatedClass {
    @ValidApplicationName
    String applicationName;

    AnnotatedClass(final String applicationName) {
      this.applicationName = applicationName;
    }
  }
}