/**
* Tests for empty configuration, an exception is thrown from {@link
* DFSUtil#getNNServiceRpcAddresses(Configuration)} {@link
* DFSUtil#getBackupNodeAddresses(Configuration)} {@link
* DFSUtil#getSecondaryNameNodeAddresses(Configuration)}
*/
@Test
public void testEmptyConf() {
HdfsConfiguration conf = new HdfsConfiguration(false);
try {
Map<String, Map<String, InetSocketAddress>> map = DFSUtil.getNNServiceRpcAddresses(conf);
fail("Expected IOException is not thrown, result was: " + DFSUtil.addressMapToString(map));
} catch (IOException expected) {
/** Expected */
}
try {
Map<String, Map<String, InetSocketAddress>> map = DFSUtil.getBackupNodeAddresses(conf);
fail("Expected IOException is not thrown, result was: " + DFSUtil.addressMapToString(map));
} catch (IOException expected) {
/** Expected */
}
try {
Map<String, Map<String, InetSocketAddress>> map = DFSUtil.getSecondaryNameNodeAddresses(conf);
fail("Expected IOException is not thrown, result was: " + DFSUtil.addressMapToString(map));
} catch (IOException expected) {
/** Expected */
}
}
