content: /**
   * 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 org.apache.aurora.common.net.http.handlers;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  
  import javax.servlet.http.HttpServletRequest;
  
  import com.google.common.base.Supplier;
  import com.google.common.collect.ImmutableMap;
  
  import org.apache.aurora.common.stats.Stat;
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  /**
   * @author William Farner
   */
  public class VarsHandlerTest extends StatSupplierTestBase {
  
    private VarsHandler vars;
    private HttpServletRequest request;
  
    @Before
    public void setUp() {
      statSupplier = createMock(new Clazz<Supplier<Iterable<Stat<?>>>>() {});
      request = createMock(HttpServletRequest.class);
      vars = new VarsHandler(statSupplier);
    }
  
    @Test
    public void testGetEmpty() {
      expectVarScrape(ImmutableMap.<String, Object>of());
  
      control.replay();
  
      checkOutput(Collections.<String>emptyList());
    }
  
    @Test
    public void testGet() {
      expectVarScrape(ImmutableMap.<String, Object>of(
          "float", 4.16126,
          "int", 5,
          "str", "foobar"
      ));
  
      control.replay();
  
      // expect the output to be in the same order
      checkOutput(Arrays.asList(
          "float 4.16126",
          "int 5",
          "str foobar"));
    }
  
    private void checkOutput(List<String> expectedLines) {
      assertEquals(String.join("\n", expectedLines), vars.getVars());
    }
  }
  