content: /*******************************************************************************
   * Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *    Marc R. Hoffmann - initial API and implementation
   *    
   *******************************************************************************/
  package org.jacoco.report.csv;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertSame;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.jacoco.report.ILanguageNames;
  import org.jacoco.report.IReportVisitor;
  import org.jacoco.report.MemoryOutput;
  import org.jacoco.report.ReportStructureTestDriver;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Unit tests for {@link CSVFormatter}.
   */
  public class CSVFormatterTest {
  
  	private static final String HEADER = "GROUP,PACKAGE,CLASS,INSTRUCTION_MISSED,INSTRUCTION_COVERED,BRANCH_MISSED,BRANCH_COVERED,LINE_MISSED,LINE_COVERED,COMPLEXITY_MISSED,COMPLEXITY_COVERED,METHOD_MISSED,METHOD_COVERED";
  
  	private ReportStructureTestDriver driver;
  
  	private CSVFormatter formatter;
  
  	private IReportVisitor visitor;
  
  	private MemoryOutput output;
  
  	@Before
  	public void setup() throws Exception {
  		driver = new ReportStructureTestDriver();
  		formatter = new CSVFormatter();
  		output = new MemoryOutput();
  		visitor = formatter.createVisitor(output);
  	}
  
  	@After
  	public void teardown() {
  		output.assertClosed();
  	}
  
  	@Test
  	public void testStructureWithGroup() throws IOException {
  		driver.sendGroup(visitor);
  		final List<String> lines = getLines();
  		assertEquals(HEADER, lines.get(0));
  		assertEquals(
  				"group/bundle,org.jacoco.example,FooClass,10,15,1,2,0,3,1,2,0,1",
  				lines.get(1));
  		assertEquals(2, lines.size());
  	}
  
  	@Test
  	public void testStructureWithNestedGroups() throws IOException {
  		driver.sendNestedGroups(visitor);
  		final List<String> lines = getLines();
  		assertEquals(HEADER, lines.get(0));
  		assertEquals(
  				"report/group1/group/bundle,org.jacoco.example,FooClass,10,15,1,2,0,3,1,2,0,1",
  				lines.get(1));
  		assertEquals(
  				"report/bundle,org.jacoco.example,FooClass,10,15,1,2,0,3,1,2,0,1",
  				lines.get(2));
  		assertEquals(3, lines.size());
  	}
  
  	@Test
  	public void testStructureWithBundleOnly() throws IOException {
  		driver.sendBundle(visitor);
  		final List<String> lines = getLines();
  		assertEquals(HEADER, lines.get(0));
  		assertEquals("bundle,org.jacoco.example,FooClass,10,15,1,2,0,3,1,2,0,1",
  				lines.get(1));
  		assertEquals(2, lines.size());
  	}
  
  	@Test
  	public void testSetEncoding() throws Exception {
  		formatter.setOutputEncoding("UTF-16");
  		visitor = formatter.createVisitor(output);
  		driver.sendBundle(visitor);
  		final List<String> lines = getLines("UTF-16");
  		assertEquals(HEADER, lines.get(0));
  	}
  
  	@Test
  	public void testGetLanguageNames() throws Exception {
  		ILanguageNames names = new ILanguageNames() {
  			public String getPackageName(String vmname) {
  				return null;
  			}
  
  			public String getQualifiedClassName(String vmname) {
  				return null;
  			}
  
  			public String getClassName(String vmname, String vmsignature,
  					String vmsuperclass, String[] vminterfaces) {
  				return null;
  			}
  
  			public String getMethodName(String vmclassname,
  					String vmmethodname, String vmdesc, String vmsignature) {
  				return null;
  			}
  
  			public String getQualifiedMethodName(String vmclassname,
  					String vmmethodname, String vmdesc, String vmsignature) {
  				return null;
  			}
  		};
  		formatter.setLanguageNames(names);
  		assertSame(names, formatter.getLanguageNames());
  		output.close();
  	}
  
  	private List<String> getLines() throws IOException {
  		return getLines("UTF-8");
  	}
  
  	private List<String> getLines(String encoding) throws IOException {
  		final BufferedReader reader = new BufferedReader(new InputStreamReader(
  				output.getContentsAsStream(), encoding));
  		final List<String> lines = new ArrayList<String>();
  		String line;
  		while ((line = reader.readLine()) != null) {
  			lines.add(line);
  		}
  		return lines;
  	}
  
  }
  