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IndexesServletTest.java
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IndexesServletTest.java
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/*
* Copyright 2016 Google Inc.
*
* 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 com.example.appengine;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Mockito.when;
import com.google.appengine.api.datastore.DatastoreService;
import com.google.appengine.api.datastore.DatastoreServiceFactory;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.tools.development.testing.LocalDatastoreServiceTestConfig;
import com.google.appengine.tools.development.testing.LocalServiceTestHelper;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Arrays;
import java.util.Date;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
/**
* Unit tests for {@link IndexesServlet}.
*/
@RunWith(JUnit4.class)
public class IndexesServletTest {
private final LocalServiceTestHelper helper =
new LocalServiceTestHelper(
// Set no eventual consistency, that way queries return all results.
// https://cloud.google.com/appengine/docs/java/tools/localunittesting#Java_Writing_High_Replication_Datastore_tests
new LocalDatastoreServiceTestConfig()
.setDefaultHighRepJobPolicyUnappliedJobPercentage(0));
@Mock private HttpServletRequest mockRequest;
@Mock private HttpServletResponse mockResponse;
private StringWriter responseWriter;
private IndexesServlet servletUnderTest;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
helper.setUp();
// Set up a fake HTTP response.
responseWriter = new StringWriter();
when(mockResponse.getWriter()).thenReturn(new PrintWriter(responseWriter));
servletUnderTest = new IndexesServlet();
}
@After
public void tearDown() {
helper.tearDown();
}
@Test
public void doGet_emptyDatastore_writesNoWidgets() throws Exception {
servletUnderTest.doGet(mockRequest, mockResponse);
assertThat(responseWriter.toString())
.named("IndexesServlet response")
.isEqualTo("Got 0 widgets.\n");
}
@Test
public void doGet_repeatedPropertyEntities_writesWidgets() throws Exception {
//CHECKSTYLE.OFF: VariableDeclarationUsageDistance - readability
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
//CHECKSTYLE.ON: VariableDeclarationUsageDistance
// [START exploding_index_example_3]
Entity widget = new Entity("Widget");
widget.setProperty("x", Arrays.asList(1, 2, 3, 4));
widget.setProperty("y", Arrays.asList("red", "green", "blue"));
widget.setProperty("date", new Date());
datastore.put(widget);
// [END exploding_index_example_3]
servletUnderTest.doGet(mockRequest, mockResponse);
assertThat(responseWriter.toString())
.named("IndexesServlet response")
.isEqualTo("Got 1 widgets.\n");
}
}