Objects_assertIsNotInstanceOfAny_Test.java

/*
 * Created on Jun 3, 2012
 *
 * 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.
 *
 * Copyright @2012 the original author or authors.
 */
package org.fest.assertions.internal;

import static org.fest.assertions.test.TestFailures.expectedAssertionErrorNotThrown;
import static org.fest.test.ExpectedException.none;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.same;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;

import java.io.File;

import org.fest.assertions.description.Description;
import org.fest.assertions.error.ErrorMessageFactory;
import org.fest.assertions.test.Person;
import org.fest.test.ExpectedException;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;

/**
 * Tests for <code>{@link Objects#assertIsNotInstanceOfAny(Description, Object, Class[])}</code>.
 *
 * @author Nicolas François
 * @author Alex Ruiz
 */
public class Objects_assertIsNotInstanceOfAny_Test {
  @Rule
  public ExpectedException thrown = none();

  private Person actual;
  private Failures failures;
  private Objects objects;

  @Before
  public void setUp() {
    actual = new Person("Yoda");
    failures = spy(new Failures());
    objects = new Objects();
    objects.failures = failures;
  }

  @Test
  public void should_pass_if_actual_is_not_instance_of_any_type() {
    Class<?>[] types = { String.class, File.class };
    objects.assertIsNotInstanceOfAny(mock(Description.class), actual, types);
  }

  @Test
  public void should_pass_if_actual_is_null() {
    Class<?>[] types = { Object.class };
    objects.assertIsNotInstanceOfAny(mock(Description.class), null, types);
  }

  @Test
  public void should_throw_error_if_array_of_types_is_null() {
    thrown.expect(NullPointerException.class);
    objects.assertIsNotInstanceOfAny(mock(Description.class), actual, null);
  }

  @Test
  public void should_throw_error_if_array_of_types_is_empty() {
    thrown.expect(IllegalArgumentException.class);
    objects.assertIsNotInstanceOfAny(mock(Description.class), actual, new Class<?>[0]);
  }

  @Test
  public void should_throw_error_if_array_of_types_has_null_elements() {
    Class<?>[] types = { null, String.class };
    thrown.expect(NullPointerException.class);
    objects.assertIsNotInstanceOfAny(mock(Description.class), actual, types);
  }

  @Test
  public void should_fail_if_actual_is_instance_of_any_type() {
    Description description = new TestDescription("Testing");
    Class<?>[] types = { File.class, Person.class };
    try {
      objects.assertIsNotInstanceOfAny(description, actual, types);
    } catch (AssertionError e) {
      String message = "[Testing] expecting <Person[name='Yoda']> not to be an instance of any of:"
          + "<[java.io.File, org.fest.assertions.test.Person]>";
      assertEquals(message, e.getMessage());
      verify(failures).failure(same(description), any(ErrorMessageFactory.class));
      return;
    }
    throw expectedAssertionErrorNotThrown();
  }
}