/*
 * 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 2012-2018 the original author or authors.
 */
package org.assertj.core.error;

import static java.lang.String.format;
import static java.nio.charset.Charset.defaultCharset;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.configuration.ConfigurationProvider.CONFIGURATION_PROVIDER;
import static org.assertj.core.error.ShouldHaveContent.shouldHaveContent;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.util.List;

import org.assertj.core.description.TextDescription;
import org.assertj.core.util.Lists;
import org.assertj.core.util.diff.Delta;
import org.junit.Test;

public class ShouldHaveContent_create_Test {

  private static final String DIFF = "diff !";

  @Test
  public void should_create_error_message() {
    final FakeFile file = new FakeFile("xyz");

    @SuppressWarnings("unchecked")
    Delta<String> delta = mock(Delta.class);
    when(delta.toString()).thenReturn(DIFF);
    List<Delta<String>> diffs = Lists.newArrayList(delta);

    ErrorMessageFactory factory = shouldHaveContent(file, defaultCharset(), diffs);
    String message = factory.create(new TextDescription("Test"), CONFIGURATION_PROVIDER.representation());
    assertThat(message).isEqualTo(format("[Test] %n"
                                         + "File:%n"
                                         + "  <xyz>%n"
                                         + "read with charset <%s> does not have the expected content:%n%n"
                                         + DIFF,
                                         defaultCharset().name()));
  }
}
