PriorityGenerateParseTest.java example

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package test.codec.http2.frame;

import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;

import org.junit.Assert;
import org.junit.Test;

import com.firefly.codec.http2.decode.Parser;
import com.firefly.codec.http2.encode.HeaderGenerator;
import com.firefly.codec.http2.encode.PriorityGenerator;
import com.firefly.codec.http2.frame.PriorityFrame;

public class PriorityGenerateParseTest {

	@Test
	public void testGenerateParse() throws Exception {
		PriorityGenerator generator = new PriorityGenerator(new HeaderGenerator());

		final List<PriorityFrame> frames = new ArrayList<>();
		Parser parser = new Parser(new Parser.Listener.Adapter() {
			@Override
			public void onPriority(PriorityFrame frame) {
				frames.add(frame);
			}
		}, 4096, 8192);

		int streamId = 13;
		int parentStreamId = 17;
		int weight = 256;
		boolean exclusive = true;

		// Iterate a few times to be sure generator and parser are properly
		// reset.
		for (int i = 0; i < 2; ++i) {
			ByteBuffer buffer = generator.generatePriority(streamId, parentStreamId, weight, exclusive);

			frames.clear();
			while (buffer.hasRemaining()) {
				parser.parse(buffer);
			}

		}

		Assert.assertEquals(1, frames.size());
		PriorityFrame frame = frames.get(0);
		Assert.assertEquals(streamId, frame.getStreamId());
		Assert.assertEquals(parentStreamId, frame.getParentStreamId());
		Assert.assertEquals(weight, frame.getWeight());
		Assert.assertEquals(exclusive, frame.isExclusive());
	}

	@Test
	public void testGenerateParseOneByteAtATime() throws Exception {
		PriorityGenerator generator = new PriorityGenerator(new HeaderGenerator());

		final List<PriorityFrame> frames = new ArrayList<>();
		Parser parser = new Parser(new Parser.Listener.Adapter() {
			@Override
			public void onPriority(PriorityFrame frame) {
				frames.add(frame);
			}
		}, 4096, 8192);

		int streamId = 13;
		int parentStreamId = 17;
		int weight = 3;
		boolean exclusive = true;

		// Iterate a few times to be sure generator and parser are properly
		// reset.
		for (int i = 0; i < 2; ++i) {
			ByteBuffer buffer = generator.generatePriority(streamId, parentStreamId, weight, exclusive);

			frames.clear();
			while (buffer.hasRemaining()) {
				parser.parse(ByteBuffer.wrap(new byte[] { buffer.get() }));
			}

			Assert.assertEquals(1, frames.size());
			PriorityFrame frame = frames.get(0);
			Assert.assertEquals(streamId, frame.getStreamId());
			Assert.assertEquals(parentStreamId, frame.getParentStreamId());
			Assert.assertEquals(weight, frame.getWeight());
			Assert.assertEquals(exclusive, frame.isExclusive());
		}
	}
}