Java tutorial
/* * This program is part of the OpenLMIS logistics management information system platform software. * Copyright 2017 VillageReach * * This program is free software: you can redistribute it and/or modify it under the terms * of the GNU Affero General Public License as published by the Free Software Foundation, either * version 3 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Affero General Public License for more details. You should have received a copy of * the GNU Affero General Public License along with this program. If not, see * http://www.gnu.org/licenses. For additional information contact info@OpenLMIS.org. */ package org.openlmis.fulfillment; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.mockito.Matchers.any; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.spy; import static org.mockito.Mockito.times; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.when; import java.io.IOException; import java.io.InputStream; import java.util.List; import org.apache.commons.io.IOUtils; import org.apache.commons.lang3.tuple.Pair; import org.junit.Test; import org.junit.runner.RunWith; import org.mockito.InjectMocks; import org.mockito.Mock; import org.mockito.runners.MockitoJUnitRunner; import org.springframework.core.io.Resource; import org.springframework.jdbc.core.JdbcTemplate; @RunWith(MockitoJUnitRunner.class) public class Resource2DbTest { @Mock private JdbcTemplate template; @InjectMocks private Resource2Db resource2Db; @Test public void insertToDbFromCsvShouldCloseInputStream() throws IOException { // given Resource resource = mock(Resource.class); InputStream inputStream = spy(IOUtils.toInputStream("some data")); when(resource.getInputStream()).thenReturn(inputStream); when(template.batchUpdate(any(String.class), any(List.class))).thenReturn(new int[] { 1 }); // when resource2Db.insertToDbFromCsv("sometable", resource); // then verify(inputStream, times(1)).close(); assertFalse(resource.isOpen()); } @Test public void resourceCsvToBatchedPairShouldReturnListPair() throws IOException { // given Resource resource = mock(Resource.class); InputStream inputStream = spy(IOUtils.toInputStream("Col1,Col2\na,b")); when(resource.getInputStream()).thenReturn(inputStream); // when Pair<List<String>, List<Object[]>> batchedPair = resource2Db.resourceCsvToBatchedPair(resource); // then List headers = batchedPair.getLeft(); assertEquals(2, headers.size()); assertEquals("Col1", headers.get(0)); assertEquals("Col2", headers.get(1)); List rows = batchedPair.getRight(); assertEquals(1, rows.size()); Object[] rowData = batchedPair.getRight().get(0); assertEquals(2, rowData.length); assertEquals("a", rowData[0]); assertEquals("b", rowData[1]); } @Test(expected = IllegalArgumentException.class) public void resourceCsvToBatchedPairShouldThrowExceptionIfRecordIsInconsistent() throws IOException { // given Resource resource = mock(Resource.class); InputStream inputStream = spy(IOUtils.toInputStream("Col1,Col2\na,b,c")); when(resource.getInputStream()).thenReturn(inputStream); // when resource2Db.resourceCsvToBatchedPair(resource); } @Test(expected = NullPointerException.class) public void resource2DbWithNullResourceShouldThrowException() { new Resource2Db(null); } @Test(expected = IllegalArgumentException.class) public void insertToDbFromCsvWithBlankTableNameShouldThrowException() throws IOException { Resource resource = mock(Resource.class); resource2Db.insertToDbFromCsv("", resource); } @Test(expected = NullPointerException.class) public void insertToDbFromCsvWithNullTableNameShouldThrowException() throws IOException { Resource resource = mock(Resource.class); resource2Db.insertToDbFromCsv(null, resource); } @Test(expected = NullPointerException.class) public void insertToDbFromCsvWithNullResourceShouldThrowException() throws IOException { resource2Db.insertToDbFromCsv("test", null); } }