1 files changed, 99 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/test/java/org/onosproject/codec/JsonCodecTest.java b/framework/src/onos/core/api/src/test/java/org/onosproject/codec/JsonCodecTest.java
new file mode 100644
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--- /dev/null
+++ b/framework/src/onos/core/api/src/test/java/org/onosproject/codec/JsonCodecTest.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2014 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.codec;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.ImmutableList;
+import org.junit.Test;
+
+import java.util.List;
+import java.util.Objects;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Test of the base JSON codec abstraction.
+ */
+public class JsonCodecTest {
+
+    private static class Foo {
+        final String name;
+
+        Foo(String name) {
+            this.name = name;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(name);
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj == null || getClass() != obj.getClass()) {
+                return false;
+            }
+            final Foo other = (Foo) obj;
+            return Objects.equals(this.name, other.name);
+        }
+    }
+
+    private static class FooCodec extends JsonCodec<Foo> {
+        @Override
+        public ObjectNode encode(Foo entity, CodecContext context) {
+            return context.mapper().createObjectNode().put("name", entity.name);
+        }
+
+        @Override
+        public Foo decode(ObjectNode json, CodecContext context) {
+            return new Foo(json.get("name").asText());
+        }
+    }
+
+    @Test
+    public void encode() {
+        Foo f1 = new Foo("foo");
+        Foo f2 = new Foo("bar");
+        FooCodec codec = new FooCodec();
+        ImmutableList<Foo> entities = ImmutableList.of(f1, f2);
+        ArrayNode json = codec.encode(entities, new TestContext());
+        List<Foo> foos = codec.decode(json, new TestContext());
+        assertEquals("incorrect encode/decode", entities, foos);
+    }
+
+    private class TestContext implements CodecContext {
+        private ObjectMapper mapper = new ObjectMapper();
+        @Override
+        public ObjectMapper mapper() {
+            return mapper;
+        }
+
+        @Override
+        public <T> JsonCodec<T> codec(Class<T> entityClass) {
+            return null;
+        }
+
+        @Override
+        public <T> T getService(Class<T> serviceClass) {
+            return null;
+        }
+    }
+}