/*
    * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
    *
    * 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.
   */
  package de.smartics.properties.api.config.domain;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.hasItem;
  import static org.hamcrest.Matchers.hasItems;
  import static org.hamcrest.Matchers.is;
  
  import java.util.List;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import de.smartics.testdoc.annotations.Uut;
  
  /**
   * Tests {@link DependencyParser}.
   */
  public class DependencyParserTest
  {
    // ********************************* Fields *********************************
  
    // --- constants ------------------------------------------------------------
  
    // --- members --------------------------------------------------------------
  
    @Uut
    private DependenciesParser uut;
  
    // ****************************** Inner Classes *****************************
  
    // ********************************* Methods ********************************
  
    // --- prepare --------------------------------------------------------------
  
    @Before
    public void setUp()
    {
      uut = new DependenciesParser();
    }
  
    // --- helper ---------------------------------------------------------------
  
    // --- tests ----------------------------------------------------------------
  
    @Test
    public void theNullValueReturnsTheEmptyList()
    {
      final String value = null;
      final List<String> dependencies = uut.getDependencies(value);
      assertThat(dependencies.isEmpty(), is(true));
    }
  
    @Test
    public void aValueWithoutPlaceholdersReturnsTheEmptyList()
    {
      final String value = "noPlaceholderInside";
      final List<String> dependencies = uut.getDependencies(value);
      assertThat(dependencies.isEmpty(), is(true));
    }
  
    @Test
    public void aPlaceholderIsFound()
    {
      final String value = "${thePlaceholder}";
      final List<String> dependencies = uut.getDependencies(value);
      assertThat(dependencies, hasItem("thePlaceholder"));
    }
  
    @Test
    public void moreThanOnePlaceholderIsFound()
    {
      final String value = "${one} ${two} three";
      final List<String> dependencies = uut.getDependencies(value);
      assertThat(dependencies, hasItems("one", "two"));
    }
  }