Java tutorial
/* * Copyright 2017 Huawei Technologies Co., Ltd * * 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 io.servicecomb.foundation.vertx.http; import java.io.IOException; import java.util.Arrays; import javax.servlet.ServletInputStream; import javax.servlet.http.HttpServletRequest; import org.apache.commons.io.IOUtils; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import io.vertx.core.buffer.Buffer; import mockit.Expectations; import mockit.Mocked; public class TestStandardHttpServletRequestEx { @Mocked HttpServletRequest request; StandardHttpServletRequestEx requestEx; @Before public void setup() { requestEx = new StandardHttpServletRequestEx(request); } @Test public void setBodyBuffer() { Buffer bodyBuffer = Buffer.buffer(); bodyBuffer.appendString("abc"); System.out.println(bodyBuffer.length()); requestEx.setBodyBuffer(bodyBuffer); Assert.assertSame(bodyBuffer, requestEx.getBodyBuffer()); Assert.assertArrayEquals("abc".getBytes(), Arrays.copyOf(requestEx.getBodyBytes(), requestEx.getBodyBytesLength())); } @Test public void getInputStreamNotCache() throws IOException { ServletInputStream inputStream = request.getInputStream(); Assert.assertSame(inputStream, requestEx.getInputStream()); } @Test public void getInputStreamCache() throws IOException { requestEx.setCacheRequest(true); ServletInputStream inputStream = request.getInputStream(); new Expectations(IOUtils.class) { { IOUtils.toByteArray(inputStream); result = "abc".getBytes(); } }; ServletInputStream cachedInputStream = requestEx.getInputStream(); Assert.assertEquals("abc", IOUtils.toString(cachedInputStream)); Assert.assertEquals("abc", requestEx.getBodyBuffer().toString()); // do not create another one Assert.assertSame(cachedInputStream, requestEx.getInputStream()); } }