GUI -- General GUI backend cleanup and bug fixes. Added custom formatters for existing tables, unit test for Enum Formatter, and more glyphs.

Change-Id: I956f1faf6a59e535094d45b811980f822b084be0
diff --git a/core/api/src/test/java/org/onosproject/ui/table/cell/EnumFormatterTest.java b/core/api/src/test/java/org/onosproject/ui/table/cell/EnumFormatterTest.java
new file mode 100644
index 0000000..68833c9
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/ui/table/cell/EnumFormatterTest.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.ui.table.cell;
+
+import org.junit.Test;
+import org.onosproject.ui.table.CellFormatter;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Unit tests for {@link EnumFormatter}.
+ */
+public class EnumFormatterTest {
+
+    enum TestEnum {
+        ADDED,
+        PENDING_ADD,
+        WAITING_AUDIT_COMPLETE
+    }
+
+    private CellFormatter fmt = EnumFormatter.INSTANCE;
+
+    @Test
+    public void nullValue() {
+        assertEquals("null value", "", fmt.format(null));
+    }
+
+    @Test
+    public void noUnderscores() {
+        assertEquals("All caps", "Added", fmt.format(TestEnum.ADDED));
+    }
+
+    @Test
+    public void underscores() {
+        assertEquals("All caps with underscores",
+                     "Pending Add", fmt.format(TestEnum.PENDING_ADD));
+    }
+
+    @Test
+    public void multiUnderscores() {
+        assertEquals("All caps with underscores",
+                     "Waiting Audit Complete",
+                     fmt.format(TestEnum.WAITING_AUDIT_COMPLETE));
+    }
+
+}