java_gen: first shot at unit tests
diff --git a/java_gen/templates/unit_test.java b/java_gen/templates/unit_test.java
new file mode 100644
index 0000000..1462465
--- /dev/null
+++ b/java_gen/templates/unit_test.java
@@ -0,0 +1,102 @@
+//:: # Copyright 2013, Big Switch Networks, Inc.
+//:: #
+//:: # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
+//:: # the following special exception:
+//:: #
+//:: # LOXI Exception
+//:: #
+//:: # As a special exception to the terms of the EPL, you may distribute libraries
+//:: # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
+//:: # that copyright and licensing notices generated by LoxiGen are not altered or removed
+//:: # from the LoxiGen Libraries and the notice provided below is (i) included in
+//:: # the LoxiGen Libraries, if distributed in source code form and (ii) included in any
+//:: # documentation for the LoxiGen Libraries, if distributed in binary form.
+//:: #
+//:: # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
+//:: #
+//:: # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
+//:: # a copy of the EPL at:
+//:: #
+//:: # http::: #www.eclipse.org/legal/epl-v10.html
+//:: #
+//:: # 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
+//:: # EPL for the specific language governing permissions and limitations
+//:: # under the EPL.
+//::
+//:: from loxi_ir import *
+//:: import itertools
+//:: import of_g
+//:: include('_copyright.java')
+
+//:: include('_autogen.java')
+
+package ${test.package};
+
+//:: include("_imports.java", msg=msg)
+import org.junit.Before;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+public class ${test.name} {
+ //:: var_type = msg.interface.name
+ //:: var_name = msg.interface.variable_name
+ OFFactory factory;
+
+ final static byte[] ${msg.constant_name}_SERIALIZED =
+ new byte[] { ${", ".join("%s0x%x" % (("" if ord(c)<128 else "(byte) "), ord(c)) for c in test_data["binary"] ) } };
+
+ @Before
+ public void setup() {
+ factory = OFFactories.getFactory(OFVersion.${version.constant_version});
+ }
+
+ //:: if "java" in test_data:
+ @Test
+ public void testWrite() {
+ ${var_type}.Builder builder = factory.create${var_type[2:]}Builder();
+ ${test_data["java"]};
+ ${var_type} ${var_name} = builder.getMessage();
+ ChannelBuffer bb = ChannelBuffers.dynamicBuffer();
+ ${var_name}.writeTo(bb);
+ byte[] written = new byte[bb.readableBytes()];
+ bb.readBytes(written);
+
+ assertArrayEquals(${msg.constant_name}_SERIALIZED, written);
+ }
+
+ @Test
+ public void testRead() throws Exception {
+ ${var_type}.Builder builder = factory.create${var_type[2:]}Builder();
+ ${test_data["java"]};
+ ${var_type} ${var_name}Built = builder.getMessage();
+
+ ChannelBuffer input = ChannelBuffers.copiedBuffer(${msg.constant_name}_SERIALIZED);
+
+ // FIXME should invoke the overall reader once implemented
+ ${var_type} ${var_name}Read = ${msg.name}.READER.readFrom(input);
+
+ assertEquals(${var_name}Read, ${var_name}Built);
+ }
+ //:: else:
+ // FIXME: No java stanza in test_data for this class. Add for more comprehensive unit testing
+ //:: #endif
+
+ @Test
+ public void testReadWrite() throws Exception {
+ ChannelBuffer input = ChannelBuffers.copiedBuffer(${msg.constant_name}_SERIALIZED);
+
+ // FIXME should invoke the overall reader once implemented
+ ${var_type} ${var_name} = ${msg.name}.READER.readFrom(input);
+
+ // write message again
+ ChannelBuffer bb = ChannelBuffers.dynamicBuffer();
+ ${var_name}.writeTo(bb);
+ byte[] written = new byte[bb.readableBytes()];
+ bb.readBytes(written);
+
+ assertArrayEquals(${msg.constant_name}_SERIALIZED, written);
+ }
+
+}