@Before
public void inContext() throws Exception {
altClassDir = new File("altClasses");
FileUtils.forceMkdir(altClassDir);
List<File> buildPaths = new ArrayList<File>();
buildPaths.addAll(fakeBuildPaths());
buildPaths.add(altClassDir);
classpath = new StandaloneClasspath(buildPaths);
detector = new FileChangeDetector();
detector.setClasspathProvider(classpath);
}
@Test
public void shouldBeTolerantOfDissapearingDirectories() throws Exception {
detector =
new FileChangeDetector() {
@Override
protected File[] childrenOf(File directory) {
return null;
}
};
detector.setClasspathProvider(classpath);
assertEquals(emptySet(), detector.findChangedFiles());
}
@Test
public void shouldDetectChangedFilesByTimeStamp() throws Exception {
detector =
new FileChangeDetector() {
@Override
protected long getModificationTimestamp(File classFile) {
return timestamp;
}
};
detector.setClasspathProvider(classpath);
assertFalse(
"Should have found changed files on first run", detector.findChangedFiles().isEmpty());
assertTrue("Timestamp is unchanged", detector.findChangedFiles().isEmpty());
timestamp += 100;
assertFalse("Timestamp changed", detector.findChangedFiles().isEmpty());
}
@Test
public void shouldHandleStrangeClasspaths() throws Exception {
ChangeDetector changeDetector = new FileChangeDetector();
changeDetector.setClasspathProvider(new StandaloneClasspath(new ArrayList<File>(), ""));
assertTrue(changeDetector.findChangedFiles().isEmpty());
}