@Test
public void testCombineValuesFnCoders() throws Exception {
CoderRegistry registry = new CoderRegistry();
registry.registerStandardCoders();
MeanInts meanInts = new MeanInts();
MeanInts.CountSum countSum = meanInts.new CountSum(6, 27);
Coder<MeanInts.CountSum> coder =
meanInts.getAccumulatorCoder(
registry, registry.getDefaultCoder(TypeDescriptor.of(Integer.class)));
assertEquals(
countSum,
CoderUtils.decodeFromByteArray(coder, CoderUtils.encodeToByteArray(coder, countSum)));
}
private void checkRegistry(Class<? extends Mutation> mutationClass)
throws CannotProvideCoderException {
Coder<? extends Mutation> coder = registry.getCoder(TypeDescriptor.of(mutationClass));
assertNotNull(coder);
assertEquals(HBaseMutationCoder.class, coder.getClass());
}
@Test
public void testIncrementThrowsCannotProvideCoderException() throws Exception {
expectedException.expect(CannotProvideCoderException.class);
registry.getCoder(TypeDescriptor.of(Increment.class));
}