/*
 * 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 org.assertj.core.internal.TestDescription;
import org.assertj.core.presentation.StandardRepresentation;
import org.junit.Test;

import java.io.File;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.error.ShouldHaveExtension.shouldHaveExtension;

/**
 * Tests for <code>{@link ShouldHaveExtension#shouldHaveExtension(java.io.File, String, String)}</code>
 * 
 * @author Jean-Christophe Gay
 */
public class ShouldHaveExtension_create_Test {

  private final String expectedExtension = "java";

  private File actual = new FakeFile("actual-file.png");

  @Test
  public void should_create_error_message() {
    assertThat(createMessage("png")).isEqualTo(String.format("[TEST] %n" +
                                                             "Expecting%n" +
                                                             "  <" + actual + ">%n" +
                                                             "to have extension:%n" +
                                                             "  <\"" + expectedExtension            + "\">%n" +
                                                             "but had:%n" +
                                                             "  <\"png\">."));
  }

  @Test
  public void should_create_error_message_when_actual_does_not_have_extension() {
    assertThat(createMessage(null)).isEqualTo(String.format("[TEST] %n" +
                                                            "Expecting%n" +
                                                            "  <" + actual + ">%n" +
                                                            "to have extension:%n" +
                                                            "  <\"" + expectedExtension + "\">%n" +
                                                            "but had no extension."));
  }

  private String createMessage(String actualExtension) {
    return shouldHaveExtension(actual, actualExtension, expectedExtension).create(new TestDescription("TEST"),
        new StandardRepresentation());
  }
}
