org.apache.servicecomb.foundation.vertx.http.TestStandardHttpServletRequestEx.java Source code

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Here is the source code for org.apache.servicecomb.foundation.vertx.http.TestStandardHttpServletRequestEx.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.servicecomb.foundation.vertx.http;

import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.HttpMethod;
import javax.ws.rs.core.MediaType;

import org.apache.commons.io.IOUtils;
import org.apache.servicecomb.foundation.vertx.stream.BufferInputStream;
import org.hamcrest.Matchers;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import io.vertx.core.buffer.Buffer;
import mockit.Deencapsulation;
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");

        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());
    }

    @Test
    public void parameterMap_inherited() {
        Map<String, String[]> inherited = new HashMap<>();
        String[] v1 = new String[] { "v1-1", "v1-2" };
        inherited.put("p1", v1);
        new Expectations() {
            {
                request.getParameterMap();
                result = inherited;
                request.getMethod();
                result = HttpMethod.POST;
            }
        };

        Assert.assertSame(inherited, requestEx.getParameterMap());
        Assert.assertThat(Collections.list(requestEx.getParameterNames()), Matchers.contains("p1"));
        Assert.assertSame(v1, requestEx.getParameterValues("p1"));
        Assert.assertEquals("v1-1", requestEx.getParameter("p1"));
    }

    @Test
    public void parameterMap_merge() throws IOException {
        Map<String, String[]> inherited = new HashMap<>();
        String[] v1 = new String[] { "v1-1", "v1-2" };
        inherited.put("p1", v1);

        Buffer buffer = Buffer.buffer("p1=v1-3;p2=v2");
        BufferInputStream inputStream = new BufferInputStream(buffer.getByteBuf());
        new Expectations() {
            {
                request.getParameterMap();
                result = inherited;
                request.getMethod();
                result = HttpMethod.PUT;
                request.getContentType();
                result = MediaType.APPLICATION_FORM_URLENCODED.toUpperCase(Locale.US) + ";abc";
                request.getInputStream();
                result = inputStream;
            }
        };

        Assert.assertThat(Collections.list(requestEx.getParameterNames()), Matchers.contains("p1", "p2"));
        Assert.assertThat(requestEx.getParameterValues("p1"), Matchers.arrayContaining("v1-1", "v1-2", "v1-3"));
        Assert.assertEquals("v1-1", requestEx.getParameter("p1"));
    }

    @Test
    public void setParameter() {
        Map<String, String[]> parameterMap = new HashMap<>();
        Deencapsulation.setField(requestEx, "parameterMap", parameterMap);

        requestEx.setParameter("k1", "v1");
        requestEx.setParameter("k2", "v2");

        Assert.assertEquals("v1", requestEx.getParameter("k1"));
        Assert.assertEquals("v2", requestEx.getParameter("k2"));

        Assert.assertSame(parameterMap, requestEx.getParameterMap());

        Assert.assertThat(Collections.list(requestEx.getParameterNames()), Matchers.contains("k1", "k2"));
    }
}