HADOOP-15308. TestConfiguration fails on Windows because of paths. Contributed by Xiao Liang.

(cherry picked from commit 427fd027a353f665846f43dfd73faf7561fedc07)
(cherry picked from commit 36451f2d544ec493b2dd676a4095c869ccb18721)

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestConfiguration.java

@@ -74,8 +74,8 @@ public class TestConfiguration extends TestCase {
   final static String CONFIG = new File("./test-config-TestConfiguration.xml").getAbsolutePath();
   final static String CONFIG2 = new File("./test-config2-TestConfiguration.xml").getAbsolutePath();
   final static String CONFIG_FOR_ENUM = new File("./test-config-enum-TestConfiguration.xml").getAbsolutePath();
-  final static String CONFIG_FOR_URI = "file://"
-      + new File("./test-config-uri-TestConfiguration.xml").getAbsolutePath();
+  final static String CONFIG_FOR_URI = new File(
+      "./test-config-uri-TestConfiguration.xml").toURI().toString();
 
   private static final String CONFIG_MULTI_BYTE = new File(
     "./test-config-multi-byte-TestConfiguration.xml").getAbsolutePath();
@@ -720,7 +720,8 @@ public class TestConfiguration extends TestCase {
     out.close();
     out=new BufferedWriter(new FileWriter(CONFIG));
     writeHeader();
-    declareSystemEntity("configuration", "d", CONFIG2);
+    declareSystemEntity("configuration", "d",
+        new Path(CONFIG2).toUri().toString());
     writeConfiguration();
     appendProperty("a", "b");
     appendProperty("c", "&d;");
@@ -1448,7 +1449,7 @@ public class TestConfiguration extends TestCase {
       assertEquals("test.key2", jp1.getKey());
       assertEquals("value2", jp1.getValue());
       assertEquals(true, jp1.isFinal);
-      assertEquals(fileResource.toUri().getPath(), jp1.getResource());
+      assertEquals(fileResource.toString(), jp1.getResource());
 
       // test xml format
       outWriter = new StringWriter();
@@ -1459,7 +1460,7 @@ public class TestConfiguration extends TestCase {
       assertEquals(1, actualConf1.size());
       assertEquals("value2", actualConf1.get("test.key2"));
       assertTrue(actualConf1.getFinalParameters().contains("test.key2"));
-      assertEquals(fileResource.toUri().getPath(),
+      assertEquals(fileResource.toString(),
           actualConf1.getPropertySources("test.key2")[0]);
 
       // case 2: dump an non existing property
@@ -1914,7 +1915,8 @@ public class TestConfiguration extends TestCase {
     final File tmpDir = GenericTestUtils.getRandomizedTestDir();
     tmpDir.mkdirs();
     final String ourUrl = new URI(LocalJavaKeyStoreProvider.SCHEME_NAME,
-        "file",  new File(tmpDir, "test.jks").toString(), null).toString();
+        "file",  new File(tmpDir, "test.jks").toURI().getPath(),
+        null).toString();
 
     conf = new Configuration(false);
     conf.set(CredentialProviderFactory.CREDENTIAL_PROVIDER_PATH, ourUrl);
@@ -1941,7 +1943,8 @@ public class TestConfiguration extends TestCase {
     final File tmpDir = GenericTestUtils.getRandomizedTestDir();
     tmpDir.mkdirs();
     final String ourUrl = new URI(LocalJavaKeyStoreProvider.SCHEME_NAME,
-        "file",  new File(tmpDir, "test.jks").toString(), null).toString();
+        "file",  new File(tmpDir, "test.jks").toURI().getPath(),
+        null).toString();
 
     conf = new Configuration(false);
     conf.set(CredentialProviderFactory.CREDENTIAL_PROVIDER_PATH, ourUrl);