@Test
@SuppressWarnings("unchecked")
public void testPackagesWithDots() throws Exception {
Constructor<PackageNamesLoader> constructor = PackageNamesLoader.class.getDeclaredConstructor();
constructor.setAccessible(true);
PackageNamesLoader loader = constructor.newInstance();
Attributes attributes = mock(Attributes.class);
when(attributes.getValue("name")).thenReturn("coding.");
loader.startElement("", "", "package", attributes);
loader.endElement("", "", "package");
Field field = PackageNamesLoader.class.getDeclaredField("packageNames");
field.setAccessible(true);
LinkedHashSet<String> list = (LinkedHashSet<String>) field.get(loader);
assertEquals("coding.", list.iterator().next());
}
@Test
@SuppressWarnings("unchecked")
public void testPackagesWithIoException_getResources() throws Exception {
ClassLoader classLoader = mock(ClassLoader.class);
when(classLoader.getResources("checkstyle_packages.xml")).thenThrow(IOException.class);
try {
PackageNamesLoader.getPackageNames(classLoader);
fail();
} catch (CheckstyleException ex) {
assertTrue(ex.getCause() instanceof IOException);
assertEquals("unable to get package file resources", ex.getMessage());
}
}
@Test
@SuppressWarnings("unchecked")
public void testPackagesWithSaxException() throws Exception {
final URLConnection mockConnection = Mockito.mock(URLConnection.class);
when(mockConnection.getInputStream()).thenReturn(new ByteArrayInputStream(EMPTY_BYTE_ARRAY));
URL url = getMockUrl(mockConnection);
Enumeration<URL> enumer = (Enumeration<URL>) mock(Enumeration.class);
when(enumer.hasMoreElements()).thenReturn(true);
when(enumer.nextElement()).thenReturn(url);
ClassLoader classLoader = mock(ClassLoader.class);
when(classLoader.getResources("checkstyle_packages.xml")).thenReturn(enumer);
try {
PackageNamesLoader.getPackageNames(classLoader);
fail();
} catch (CheckstyleException ex) {
assertTrue(ex.getCause() instanceof SAXException);
}
}
@Test
@SuppressWarnings("unchecked")
public void testPackagesWithIoException() throws Exception {
final URLConnection mockConnection = Mockito.mock(URLConnection.class);
when(mockConnection.getInputStream()).thenReturn(null);
URL url = getMockUrl(mockConnection);
Enumeration<URL> enumer = (Enumeration<URL>) mock(Enumeration.class);
when(enumer.hasMoreElements()).thenReturn(true);
when(enumer.nextElement()).thenReturn(url);
ClassLoader classLoader = mock(ClassLoader.class);
when(classLoader.getResources("checkstyle_packages.xml")).thenReturn(enumer);
try {
PackageNamesLoader.getPackageNames(classLoader);
fail();
} catch (CheckstyleException ex) {
assertTrue(ex.getCause() instanceof IOException);
assertNotEquals("unable to get package file resources", ex.getMessage());
}
}
@Test
public void testDefault() throws CheckstyleException {
final Set<String> packageNames =
PackageNamesLoader.getPackageNames(Thread.currentThread().getContextClassLoader());
validatePackageNames(packageNames);
}
