Java tutorial
/* * Copyright (c) 2014-2015 Spotify AB * * 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 com.spotify.folsom.client.binary; import com.google.common.base.Charsets; import com.spotify.folsom.transcoder.StringTranscoder; import io.netty.buffer.ByteBuf; import io.netty.buffer.UnpooledByteBufAllocator; import io.netty.channel.ChannelHandlerContext; import static org.junit.Assert.assertArrayEquals; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.when; public abstract class RequestTestTemplate { public static final int OPAQUE = 123; protected static final int ID = 17; protected static final StringTranscoder TRANSCODER = new StringTranscoder(Charsets.UTF_8); protected static final ChannelHandlerContext ctx = mock(ChannelHandlerContext.class); static { when(ctx.alloc()).thenReturn(UnpooledByteBufAllocator.DEFAULT); } protected void assertHeader(final ByteBuf b, final int opcode, final int keyLength, final int extrasLength, final int totalLength, final int opaque, final long cas) { assertByte(0x80, b.readByte()); assertByte(opcode, b.readByte()); assertShort(keyLength, b.readShort()); assertShort(extrasLength, b.readByte()); assertZeros(b, 3); assertEquals(totalLength, b.readInt()); assertEquals(opaque, b.readInt()); assertEquals(cas, b.readLong()); } protected void assertByte(final int expected, final byte actual) { assertEquals((byte) expected, actual); } protected void assertShort(final int expected, final short actual) { assertEquals((short) expected, actual); } protected void assertZeros(final ByteBuf buf, final int len) { final byte[] zs = new byte[len]; assertBytes(buf, zs); } protected void assertString(final String expected, final ByteBuf buf) { final byte[] es = expected.getBytes(); assertBytes(buf, es); } protected void assertBytes(final ByteBuf buf, final byte[] zs) { final byte[] bs = new byte[zs.length]; buf.readBytes(bs); assertArrayEquals(zs, bs); } protected void assertEOM(final ByteBuf b) { assertEquals(b.readerIndex(), b.writerIndex()); } protected void assertExpiration(final int expiration) { final long now = System.currentTimeMillis() / 1000; // check if in a reasonable interval // TODO improve assertTrue(expiration > now - 10000); assertTrue(expiration < now + 10000); } }