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package org.openslx.runvirt.plugin.qemu;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import org.apache.log4j.Level;
import org.apache.log4j.LogManager;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.openslx.runvirt.plugin.qemu.cmdln.CommandLineArgs.CmdLnOption;
import com.ginsberg.junit.exit.ExpectSystemExit;
import com.ginsberg.junit.exit.ExpectSystemExitWithStatus;
public class AppTest
{
@BeforeAll
private static void setUp()
{
// disable logging with log4j
LogManager.getRootLogger().setLevel( Level.OFF );
}
@Nested
public class CmdLnTest
{
private final ByteArrayOutputStream out = new ByteArrayOutputStream();
private final ByteArrayOutputStream err = new ByteArrayOutputStream();
private void setUp()
{
// redirect output and error stream content
System.setOut( new PrintStream( this.out ) );
System.setErr( new PrintStream( this.err ) );
}
@Test
@DisplayName( "Test ouput of correct 'help' command line option (short version)" )
@ExpectSystemExit
public void testCmdLnOptionHelpShortCorrect()
{
String[] argsShortHelpOptionCorrect = { "-" + CmdLnOption.HELP.getShortOption() };
this.setUp();
// test correct usage of the short help option
try {
App.main( argsShortHelpOptionCorrect );
} catch ( Exception e ) {
// do nothing and check output afterwards
}
final String shortHelpOptionCorrectOutput = new String( this.out.toString() );
final String shortHelpOptionCorrectErrOutput = new String( this.err.toString() );
assertTrue( shortHelpOptionCorrectOutput.contains( "usage" ) );
assertTrue( shortHelpOptionCorrectOutput.contains( App.APP_NAME ) );
assertTrue( shortHelpOptionCorrectOutput.contains( App.APP_INFO ) );
assertTrue( shortHelpOptionCorrectOutput.contains( App.APP_DESC ) );
// test that no error was logged and output is available
assertEquals( 2503, shortHelpOptionCorrectOutput.length() );
assertEquals( 0, shortHelpOptionCorrectErrOutput.length() );
}
@Test
@DisplayName( "Test ouput of correct 'help' command line option (long version)" )
@ExpectSystemExit
public void testCmdLnOptionHelpLongCorrect()
{
String[] argsLongHelpOptionCorrect = { "--" + CmdLnOption.HELP.getLongOption() };
this.setUp();
// test correct usage of the long help option
try {
App.main( argsLongHelpOptionCorrect );
} catch ( Exception e ) {
// do nothing and check output afterwards
}
final String longHelpOptionCorrectOutput = this.out.toString();
final String longHelpOptionCorrectErrOutput = this.err.toString();
assertTrue( longHelpOptionCorrectOutput.contains( "usage" ) );
assertTrue( longHelpOptionCorrectOutput.contains( App.APP_NAME ) );
assertTrue( longHelpOptionCorrectOutput.contains( App.APP_INFO ) );
assertTrue( longHelpOptionCorrectOutput.contains( App.APP_DESC ) );
// test that no error was logged and output is available
assertEquals( 2503, longHelpOptionCorrectOutput.length() );
assertEquals( 0, longHelpOptionCorrectErrOutput.length() );
}
@Test
@DisplayName( "Test ouput of incorrect 'help' command line option (short version)" )
@ExpectSystemExit
public void testCmdLnOptionHelpShortIncorrect()
{
String[] argsShortHelpOptionIncorrect = { "---" + CmdLnOption.HELP.getShortOption() };
this.setUp();
// test incorrect usage of the short help option
try {
App.main( argsShortHelpOptionIncorrect );
} catch ( Exception e ) {
// do nothing and check output afterwards
}
final String shortHelpOptionIncorrectOutput = this.out.toString();
final String shortHelpOptionIncorrectErrOutput = this.err.toString();
assertTrue( shortHelpOptionIncorrectOutput.contains( "usage" ) );
assertTrue( shortHelpOptionIncorrectOutput.contains( App.APP_NAME ) );
assertTrue( shortHelpOptionIncorrectOutput.contains( App.APP_INFO ) );
assertTrue( shortHelpOptionIncorrectOutput.contains( App.APP_DESC ) );
// test that error was logged and output is available
assertEquals( 2503, shortHelpOptionIncorrectOutput.length() );
assertEquals( 0, shortHelpOptionIncorrectErrOutput.length() );
}
@Test
@DisplayName( "Test ouput of incorrect 'help' command line option (long version)" )
@ExpectSystemExit
public void testCmdLnOptionHelpLongIncorrect()
{
String[] argsLongHelpOptionIncorrect = { "---" + CmdLnOption.HELP.getLongOption() };
this.setUp();
// test incorrect usage of the long help option
try {
App.main( argsLongHelpOptionIncorrect );
} catch ( Exception e ) {
// do nothing and check output afterwards
}
final String longHelpOptionIncorrectOutput = this.out.toString();
final String longHelpOptionIncorrectErrOutput = this.err.toString();
assertTrue( longHelpOptionIncorrectOutput.contains( "usage" ) );
assertTrue( longHelpOptionIncorrectOutput.contains( App.APP_NAME ) );
assertTrue( longHelpOptionIncorrectOutput.contains( App.APP_INFO ) );
assertTrue( longHelpOptionIncorrectOutput.contains( App.APP_DESC ) );
// test that error was logged and output is available
assertEquals( 2503, longHelpOptionIncorrectOutput.length() );
assertEquals( 0, longHelpOptionIncorrectErrOutput.length() );
}
@Test
@DisplayName( "Test exit status of application invoked with correct 'help' command line option (short version)" )
@ExpectSystemExitWithStatus( 0 )
public void testCmdLnOptionHelpShortCorrectExit()
{
String[] argsShortHelpOptionCorrect = { "-" + CmdLnOption.HELP.getShortOption() };
this.setUp();
App.main( argsShortHelpOptionCorrect );
}
@Test
@DisplayName( "Test exit status of application invoked with correct 'help' command line option (long version)" )
@ExpectSystemExitWithStatus( 0 )
public void testCmdLnOptionHelpLongCorrectExit()
{
String[] argsLongHelpOptionCorrect = { "--" + CmdLnOption.HELP.getLongOption() };
this.setUp();
App.main( argsLongHelpOptionCorrect );
}
@Test
@DisplayName( "Test exit status of application invoked with incorrect 'help' command line option (short version)" )
@ExpectSystemExitWithStatus( 1 )
public void testCmdLnOptionHelpShortIncorrectExit()
{
String[] argsShortHelpOptionCorrect = { "---" + CmdLnOption.HELP.getShortOption() };
this.setUp();
App.main( argsShortHelpOptionCorrect );
}
@Test
@DisplayName( "Test exit status of application invoked with incorrect 'help' command line option (long version)" )
@ExpectSystemExitWithStatus( 1 )
public void testCmdLnOptionHelpLongIncorrectExit()
{
String[] argsLongHelpOptionCorrect = { "---" + CmdLnOption.HELP.getLongOption() };
this.setUp();
App.main( argsLongHelpOptionCorrect );
}
}
}
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