1 files changed, 52 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/test/java/org/onosproject/ui/table/cell/AbstractCellFormatterTest.java b/framework/src/onos/core/api/src/test/java/org/onosproject/ui/table/cell/AbstractCellFormatterTest.java
new file mode 100644
index 00000000..7a3c34bc
--- /dev/null
+++ b/framework/src/onos/core/api/src/test/java/org/onosproject/ui/table/cell/AbstractCellFormatterTest.java
@@ -0,0 +1,52 @@
+/*
+ * 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 AbstractCellFormatter}.
+ */
+public class AbstractCellFormatterTest {
+
+    private static final String MOCK_OUTPUT = "Mock!!";
+
+    private static class Concrete extends AbstractCellFormatter {
+        @Override
+        protected String nonNullFormat(Object value) {
+            return MOCK_OUTPUT;
+        }
+    }
+
+    private CellFormatter frm = new Concrete();
+
+    @Test
+    public void nullInput() {
+        assertEquals("wrong result", "", frm.format(null));
+    }
+
+    // mock output, but check that our method was invoked...
+    @Test
+    public void nonNullInput() {
+        assertEquals("what?", MOCK_OUTPUT, frm.format(1));
+    }
+
+}