/** generate a simple model class. */
@Test
public void simple() {
ModelLoader loader = generate();
ModelWrapper object = loader.newModel("Simple");
object.set("value", 100);
assertThat(object.get("value"), eq(100));
assertThat(object.getOption("value"), eq(new IntOption(100)));
object.setOption("value", new IntOption(200));
assertThat(object.get("value"), eq(200));
ModelWrapper copy = loader.newModel("Simple");
copy.copyFrom(object);
object.reset();
assertThat(object.getOption("value").isNull(), eq(true));
assertThat(copy.get("value"), eq(200));
}
/**
* input/output simple records.
*
* @throws Exception if test was failed
*/
@SuppressWarnings("unchecked")
@Test
public void simple_record() throws Exception {
ModelLoader loader = generate();
Class<?> type = loader.modelType("Simple");
assertThat(type.isAnnotationPresent(ModelInputLocation.class), is(true));
assertThat(type.isAnnotationPresent(ModelOutputLocation.class), is(true));
ModelWrapper object = loader.newModel("Simple");
DataOutputBuffer output = new DataOutputBuffer();
ModelOutput<Object> modelOut =
(ModelOutput<Object>)
type.getAnnotation(ModelOutputLocation.class)
.value()
.getDeclaredConstructor(RecordEmitter.class)
.newInstance(new TsvEmitter(new OutputStreamWriter(output, "UTF-8")));
object.set("sid", 1L);
object.set("value", new Text("hello"));
modelOut.write(object.unwrap());
object.set("sid", 2L);
object.set("value", new Text("world"));
modelOut.write(object.unwrap());
object.set("sid", 3L);
object.set("value", null);
modelOut.write(object.unwrap());
modelOut.close();
DataInputBuffer input = new DataInputBuffer();
input.reset(output.getData(), output.getLength());
ModelInput<Object> modelIn =
(ModelInput<Object>)
type.getAnnotation(ModelInputLocation.class)
.value()
.getDeclaredConstructor(RecordParser.class)
.newInstance(new TsvParser(new InputStreamReader(input, "UTF-8")));
ModelWrapper copy = loader.newModel("Simple");
modelIn.readTo(copy.unwrap());
assertThat(copy.get("sid"), is((Object) 1L));
assertThat(copy.get("value"), is((Object) new Text("hello")));
modelIn.readTo(copy.unwrap());
assertThat(copy.get("sid"), is((Object) 2L));
assertThat(copy.get("value"), is((Object) new Text("world")));
modelIn.readTo(copy.unwrap());
assertThat(copy.get("sid"), is((Object) 3L));
assertThat(copy.getOption("value").isNull(), is(true));
assertThat(input.read(), is(-1));
modelIn.close();
}