JasmineResourceHandlerTest.java

/*-
 * #%L
 * jasmine-maven-plugin
 * %%
 * Copyright (C) 2010 - 2017 Justin Searls
 * %%
 * 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.
 * #L%
 */
package com.github.searls.jasmine.server;

import com.github.searls.jasmine.coffee.DetectsCoffee;
import com.github.searls.jasmine.coffee.HandlesRequestsForCoffee;
import com.github.searls.jasmine.config.JasmineConfiguration;
import com.github.searls.jasmine.runner.CreatesRunner;
import org.apache.maven.plugin.logging.Log;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.util.resource.Resource;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.powermock.modules.junit4.PowerMockRunner;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.MalformedURLException;

import static org.mockito.Matchers.any;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

@RunWith(PowerMockRunner.class)
//@PrepareForTest(JasmineResourceHandler.class)
public class JasmineResourceHandlerTest {
  private static final String TARGET = "some url";

  @Mock
  private DetectsCoffee detectsCoffee;
  @Mock
  private HandlesRequestsForCoffee handlesRequestsForCoffee;
  @Mock
  private CreatesRunner createsRunner;
  @Mock
  private JasmineConfiguration configuration;

  @Mock
  Request baseRequest;
  @Mock
  HttpServletRequest request;
  @Mock
  HttpServletResponse response;
  @Mock
  Resource resource;

  @Mock
  Log log;

  private JasmineResourceHandler subject;

  @Before
  public void before() {
    subject = new JasmineResourceHandler(createsRunner, handlesRequestsForCoffee, detectsCoffee) {
      @Override
      protected Resource getResource(HttpServletRequest request) throws MalformedURLException {
        return JasmineResourceHandlerTest.this.resource;
      }
    };
  }

  //  @Test
  //  public void constructorSetsLoggingLow() throws Exception {
  //    new JasmineResourceHandler(createsRunner);
  //    assertThat(Whitebox.getInternalState(createsRunner, Log.class), is(instanceOf(NullLog.class)));
  //  }

  @Test
  public void whenTargetIsSlashThenCreateManualRunner() throws IOException, ServletException {
    this.subject.handle("/", this.baseRequest, this.request, this.response);

    verify(this.createsRunner).create();
  }

  @Test
  public void whenTargetIsNotSlashThenCreateManualRunner() throws IOException, ServletException {
    this.subject.handle("/notSlash", this.baseRequest, this.request, this.response);

    verify(this.createsRunner, never()).create();
  }

  @Test
  public void whenCoffeeDelegatesToCoffeeHandler() throws IOException, ServletException {
    when(this.detectsCoffee.detect(TARGET)).thenReturn(true);
    when(this.resource.exists()).thenReturn(true);

    this.subject.handle(TARGET, this.baseRequest, this.request, this.response);

    verify(this.handlesRequestsForCoffee).handle(this.baseRequest, this.response, this.resource);
  }

  @Test
  public void whenNotCoffeeDoesNotDelegateToCoffeeHandler() throws IOException, ServletException {
    when(this.detectsCoffee.detect(TARGET)).thenReturn(false);
    when(this.resource.exists()).thenReturn(true);

    this.subject.handle(TARGET, this.baseRequest, this.request, this.response);

    verify(this.handlesRequestsForCoffee, never()).handle(any(Request.class), any(HttpServletResponse.class), any(Resource.class));
  }

  @Test
  public void whenCoffeeButResourceIsHandledDoNotDelegateToCoffeeHandler() throws IOException, ServletException {
    when(this.detectsCoffee.detect(TARGET)).thenReturn(true);
    when(this.resource.exists()).thenReturn(true);
    when(this.baseRequest.isHandled()).thenReturn(true);

    this.subject.handle(TARGET, this.baseRequest, this.request, this.response);

    verify(this.handlesRequestsForCoffee, never()).handle(any(Request.class), any(HttpServletResponse.class), any(Resource.class));
  }

  @Test
  public void whenCoffeeButDoesNotExistDoNotDelegateToCoffeeHandler() throws IOException, ServletException {
    when(this.detectsCoffee.detect(TARGET)).thenReturn(true);
    when(this.resource.exists()).thenReturn(false);

    this.subject.handle(TARGET, this.baseRequest, this.request, this.response);

    verify(this.handlesRequestsForCoffee, never()).handle(any(Request.class), any(HttpServletResponse.class), any(Resource.class));
  }

  @Test
  public void whenCoffeeButResourceIsNullDoNotDelegateToCoffeeHandler() throws IOException, ServletException {
    when(this.detectsCoffee.detect(TARGET)).thenReturn(true);
    this.resource = null;

    this.subject.handle(TARGET, this.baseRequest, this.request, this.response);

    verify(this.handlesRequestsForCoffee, never()).handle(any(Request.class), any(HttpServletResponse.class), any(Resource.class));
  }

}