Java tutorial
package net.troja.eve.crest; /* * ======================================================================== * Library for the Eve Online CREST API * ------------------------------------------------------------------------ * Copyright (C) 2014 - 2015 Jens Oberender <j.obi@troja.net> * ------------------------------------------------------------------------ * 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. * ======================================================================== */ import static org.hamcrest.Matchers.equalTo; import static org.hamcrest.Matchers.notNullValue; import static org.hamcrest.Matchers.nullValue; import static org.junit.Assert.assertThat; import static org.mockito.Matchers.any; import static org.mockito.Matchers.anyString; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.when; import java.io.IOException; import java.net.URISyntaxException; import java.net.URL; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import net.troja.eve.crest.beans.ItemType; import net.troja.eve.crest.beans.Status; import net.troja.eve.crest.processors.ItemTypeProcessor; import net.troja.eve.crest.processors.StatusProcessor; import org.junit.Before; import org.junit.Test; import org.mockito.Mock; import org.mockito.MockitoAnnotations; import com.fasterxml.jackson.databind.JsonNode; public class CrestDataProcessorTest { private static final String EXAMPLE_FILE = "/CompleteItemTypes.json"; private final CrestDataProcessor objectToTest = new CrestDataProcessor(); @Mock private CrestAccessor accessor; @Before public void setUp() { MockitoAnnotations.initMocks(this); objectToTest.setAccessor(accessor); } @Test public void testContainerParsing() throws IOException, URISyntaxException { final ItemTypeProcessor processor = mock(ItemTypeProcessor.class); when(accessor.getData(anyString())).thenReturn(getExampleData()); when(processor.parseEntry((JsonNode) any())).thenReturn(new ItemType()); final CrestContainer<ItemType> container = objectToTest.downloadAndProcessContainerData(processor); assertThat(container.getPageCount(), equalTo(23)); assertThat(container.getTotalCount(), equalTo(22406)); assertThat(container.getEntries().size(), equalTo(5)); } private String getExampleData() throws URISyntaxException, IOException { final URL resource = getClass().getResource(EXAMPLE_FILE); final Path file = Paths.get(resource.toURI()); final String answer = new String(Files.readAllBytes(file)); return answer; } @Test public void testEmptyAnswerInContainerParsing() throws IOException { final ItemTypeProcessor processor = mock(ItemTypeProcessor.class); when(accessor.getData(anyString())).thenReturn(" "); final CrestContainer<ItemType> container = objectToTest.downloadAndProcessContainerData(processor); assertThat(container, nullValue()); } @SuppressWarnings("unchecked") @Test public void testExceptionWhenReadingDataInContainerParsing() throws IOException { when(accessor.getData(anyString())).thenThrow(IOException.class); final CrestContainer<ItemType> container = objectToTest .downloadAndProcessContainerData(new ItemTypeProcessor()); assertThat(container, nullValue()); } @Test public void testEmptyAnswerInParsing() throws IOException { final StatusProcessor processor = mock(StatusProcessor.class); when(accessor.getData(anyString())).thenReturn(" "); final Status status = objectToTest.downloadAndProcessData(processor); assertThat(status, nullValue()); } @SuppressWarnings("unchecked") @Test public void testExceptionWhenReadingDataInParsing() throws IOException { when(accessor.getData(anyString())).thenThrow(IOException.class); final Status status = objectToTest.downloadAndProcessData(new StatusProcessor()); assertThat(status, nullValue()); } @SuppressWarnings("unchecked") @Test public void testExceptionWhenParsingEntry() throws IOException, URISyntaxException { final ItemTypeProcessor processor = mock(ItemTypeProcessor.class); when(accessor.getData(anyString())).thenReturn(getExampleData()); when(processor.parseEntry((JsonNode) any())).thenThrow(IOException.class); final CrestContainer<ItemType> container = objectToTest.downloadAndProcessContainerData(processor); assertThat(container, notNullValue()); } }