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* CruiseControl, a Continuous Integration Toolkit
* Copyright (c) 2007, ThoughtWorks, Inc.
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* Chicago, IL 60601 USA
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package net.sourceforge.cruisecontrol;
import net.sourceforge.cruisecontrol.util.BuildOutputLogger;
import junit.framework.TestCase;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
public class BuildOutputLoggerManagerTest extends TestCase {
private BuildOutputLoggerManager loggerManager;
private File tempFile;
protected void setUp() throws Exception {
loggerManager = new BuildOutputLoggerManager();
tempFile = tempFile();
}
public void testShouldCreateLogger() throws Exception {
BuildOutputLogger logger = loggerManager.lookupOrCreate("project1", tempFile);
assertEquals(0, logger.retrieveLines(0).length);
logger.consumeLine("1");
logger.consumeLine("2");
assertEquals(2, logger.retrieveLines(0).length);
assertSame(logger, loggerManager.lookup("project1"));
assertSame(logger, loggerManager.lookupOrCreate("project1", tempFile));
}
public void testShouldCreateTemporaryLoggerWhenLookingUpMissingLogger() throws Exception {
BuildOutputLogger temporaryLogger = loggerManager.lookup("project2");
BuildOutputLogger logger = loggerManager.lookupOrCreate("project2", tempFile);
assertNotSame(temporaryLogger, logger);
assertSame(logger, loggerManager.lookup("project2"));
assertSame(logger, loggerManager.lookupOrCreate("project2", tempFile));
assertEquals(0, temporaryLogger.retrieveLines(0).length);
}
public void testLoggersWithSameProjectSameFileShouldBeSame() throws IOException {
File file = tempFile();
File same = new File(file.getAbsolutePath());
assertEquals(file, same);
BuildOutputLogger logger = loggerManager.lookupOrCreate("project3", file);
assertSame(logger, loggerManager.lookupOrCreate("project3", same));
}
public void testLoggersWithSameProjectDifferentFilesShouldBeDifferent() throws IOException {
File file = tempFile();
File different = tempFile();
assertFalse(file.equals(different));
BuildOutputLogger logger = loggerManager.lookupOrCreate("project4", file);
assertNotSame(logger, loggerManager.lookupOrCreate("project4", different));
}
public void testLoggersWithDifferentProjectDifferentFilesShouldBeDifferent() throws IOException {
File file = tempFile();
File different = tempFile();
assertFalse(file.equals(different));
BuildOutputLogger logger = loggerManager.lookupOrCreate("project5", file);
assertNotSame(logger, loggerManager.lookupOrCreate("project6", different));
}
public void testLookupOrCreateNull() throws Exception {
final BuildOutputLogger lookupNull = loggerManager.lookup(null);
assertFalse(lookupNull.isDataFileSet());
final BuildOutputLogger lookupOrCreateNull = loggerManager.lookupOrCreate(null, null);
assertFalse(lookupOrCreateNull.isDataFileSet());
assertNotSame(lookupNull, lookupOrCreateNull);
}
public void testLoggersWithDifferentFilesConcurrentAccess() throws Exception {
final File file = tempFile();
final File different = tempFile();
assertFalse(file.equals(different));
// final BuildOutputLogger logger = loggerManager.lookupOrCreate(file);
// final BuildOutputLogger logger2 = loggerManager.lookupOrCreate(different);
final String suffixLookOrCreate = " line";
final String suffixLook = " line lookup";
final String tName1 = "T1";
final String expectedLookOrCreateLineT1 = tName1 + suffixLookOrCreate;
final String expectedLookLineT1 = tName1 + suffixLook;
final Thread t = new Thread(tName1) {
public void run() {
while (true) {
loggerManager.lookupOrCreate(tName1, file).consumeLine(expectedLookOrCreateLineT1);
try {
Thread.sleep(10);
} catch (InterruptedException e) {
break;
}
loggerManager.lookup(tName1).consumeLine(expectedLookLineT1);
}
}
};
final String tName2 = "T2";
final String expectedLookOrCreateLineT2 = tName2 + suffixLookOrCreate;
final String expectedLookLineT2 = tName2 + suffixLook;
final Thread t2 = new Thread(tName2) {
public void run() {
while (true) {
loggerManager.lookupOrCreate(tName2, different).consumeLine(expectedLookOrCreateLineT2);
try {
Thread.sleep(10);
} catch (InterruptedException e) {
break;
}
loggerManager.lookup(tName2).consumeLine(expectedLookLineT2);
}
}
};
t.start();
t2.start();
Thread.sleep(3000);
t.interrupt();
t2.interrupt();
// read all lines into map to collection unique lines
final String msgMissing = "BuildOutputLoggerManager missing expected output (likely a test timing issue).";
final String msgMixed = "BuildOutputLoggerManager mixed up outputs from different builds into output file.";
final BufferedReader br = new BufferedReader(new FileReader(file));
try {
final Set<String> uniqueLinesFile = new HashSet<String>();
String line;
while ((line = br.readLine()) != null) {
uniqueLinesFile.add(line);
}
assertTrue(msgMissing, uniqueLinesFile.contains(expectedLookOrCreateLineT1));
assertTrue(msgMissing, uniqueLinesFile.contains(expectedLookLineT1));
assertFalse(msgMixed, uniqueLinesFile.contains(expectedLookOrCreateLineT2));
assertFalse(msgMixed, uniqueLinesFile.contains(expectedLookLineT2));
} finally {
br.close();
}
final BufferedReader br2 = new BufferedReader(new FileReader(different));
try {
final Set<String> uniqueLinesFile2 = new HashSet<String>();
String line;
while ((line = br2.readLine()) != null) {
uniqueLinesFile2.add(line);
}
assertFalse(msgMixed, uniqueLinesFile2.contains(expectedLookOrCreateLineT1));
assertFalse(msgMixed, uniqueLinesFile2.contains(expectedLookLineT1));
assertTrue(msgMissing, uniqueLinesFile2.contains(expectedLookOrCreateLineT2));
assertTrue(msgMissing, uniqueLinesFile2.contains(expectedLookLineT2));
} finally {
br.close();
}
}
private File tempFile() throws IOException {
final File file = File.createTempFile("tempOutputlogger", ".tmp");
file.deleteOnExit();
return file;
}
}