InvokeMethodInterceptorTest.java example

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pinpoint-master
package com.navercorp.pinpoint.plugin.tomcat;
/*
 * Copyright 2014 NAVER Corp.
 *
 * 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.
 */



import static org.mockito.Mockito.*;

import java.util.Enumeration;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.navercorp.pinpoint.bootstrap.config.DefaultProfilerConfig;
import com.navercorp.pinpoint.bootstrap.config.ProfilerConfig;
import com.navercorp.pinpoint.bootstrap.context.TraceId;
import com.navercorp.pinpoint.profiler.context.id.DefaultTraceId;
import com.navercorp.pinpoint.test.MockTraceContextFactory;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import com.navercorp.pinpoint.bootstrap.context.Header;
import com.navercorp.pinpoint.bootstrap.context.MethodDescriptor;
import com.navercorp.pinpoint.bootstrap.context.TraceContext;
import com.navercorp.pinpoint.bootstrap.logging.PLoggerFactory;
import com.navercorp.pinpoint.plugin.tomcat.interceptor.StandardHostValveInvokeInterceptor;
import com.navercorp.pinpoint.profiler.context.DefaultMethodDescriptor;
import com.navercorp.pinpoint.profiler.logging.Slf4jLoggerBinder;

/**
 * @author emeroad
 */
public class InvokeMethodInterceptorTest {
    
    @Mock
    private HttpServletRequest request;
    
    @Mock
    private HttpServletResponse response;

    private final MethodDescriptor descriptor = new DefaultMethodDescriptor("org.apache.catalina.core.StandardHostValve", "invoke", new String[] {"org.apache.catalina.connector.Request", "org.apache.catalina.connector.Response"}, new String[] {"request", "response"});

    @BeforeClass
    public static void before() {
        PLoggerFactory.initialize(new Slf4jLoggerBinder());
    }
    
    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
    }

    private TraceContext spyTraceContext() {
        ProfilerConfig profilerConfig = new DefaultProfilerConfig();
        TraceContext traceContext = MockTraceContextFactory.newTestTraceContext(profilerConfig);
        return spy(traceContext);
    }

    @Test
    public void testHeaderNOTExists() {

        when(request.getRequestURI()).thenReturn("/hellotest.nhn");
        when(request.getRemoteAddr()).thenReturn("10.0.0.1");
        when(request.getHeader(Header.HTTP_TRACE_ID.toString())).thenReturn(null);
        when(request.getHeader(Header.HTTP_PARENT_SPAN_ID.toString())).thenReturn(null);
        when(request.getHeader(Header.HTTP_SPAN_ID.toString())).thenReturn(null);
        when(request.getHeader(Header.HTTP_SAMPLED.toString())).thenReturn(null);
        when(request.getHeader(Header.HTTP_FLAGS.toString())).thenReturn(null);
        Enumeration<?> enumeration = mock(Enumeration.class);
        when(request.getParameterNames()).thenReturn(enumeration);

        TraceContext traceContext = spyTraceContext();
        StandardHostValveInvokeInterceptor interceptor = new StandardHostValveInvokeInterceptor(traceContext, descriptor);

        interceptor.before("target", new Object[]{request, response});
        interceptor.after("target", new Object[]{request, response}, new Object(), null);

        verify(traceContext, times(1)).newTraceObject();

        interceptor.before("target", new Object[]{request, response});
        interceptor.after("target", new Object[]{request, response}, new Object(), null);

        verify(traceContext, times(2)).newTraceObject();
    }

    @Test
    public void testInvalidHeaderExists() {

        when(request.getRequestURI()).thenReturn("/hellotest.nhn");
        when(request.getRemoteAddr()).thenReturn("10.0.0.1");
        when(request.getHeader(Header.HTTP_TRACE_ID.toString())).thenReturn("TRACEID");
        when(request.getHeader(Header.HTTP_PARENT_SPAN_ID.toString())).thenReturn("PARENTSPANID");
        when(request.getHeader(Header.HTTP_SPAN_ID.toString())).thenReturn("SPANID");
        when(request.getHeader(Header.HTTP_SAMPLED.toString())).thenReturn("false");
        when(request.getHeader(Header.HTTP_FLAGS.toString())).thenReturn("0");
        Enumeration<?> enumeration = mock(Enumeration.class);
        when(request.getParameterNames()).thenReturn(enumeration);

        TraceContext traceContext = spyTraceContext();
        StandardHostValveInvokeInterceptor interceptor = new StandardHostValveInvokeInterceptor(traceContext, descriptor);
        interceptor.before("target",  new Object[]{request, response});
        interceptor.after("target", new Object[]{request, response}, new Object(), null);

        verify(traceContext, never()).newTraceObject();
        verify(traceContext, never()).disableSampling();
        verify(traceContext, never()).continueTraceObject(any(TraceId.class));


        interceptor.before("target", new Object[]{request, response});
        interceptor.after("target", new Object[]{request, response}, new Object(), null);

        verify(traceContext, never()).newTraceObject();
        verify(traceContext, never()).disableSampling();
        verify(traceContext, never()).continueTraceObject(any(TraceId.class));
    }

    @Test
    public void testValidHeaderExists() {

        when(request.getRequestURI()).thenReturn("/hellotest.nhn");
        when(request.getRemoteAddr()).thenReturn("10.0.0.1");

        TraceId  traceId = new DefaultTraceId("agentTest", System.currentTimeMillis(), 1);
        when(request.getHeader(Header.HTTP_TRACE_ID.toString())).thenReturn(traceId.getTransactionId());
        when(request.getHeader(Header.HTTP_PARENT_SPAN_ID.toString())).thenReturn("PARENTSPANID");
        when(request.getHeader(Header.HTTP_SPAN_ID.toString())).thenReturn("SPANID");
        when(request.getHeader(Header.HTTP_SAMPLED.toString())).thenReturn("false");
        when(request.getHeader(Header.HTTP_FLAGS.toString())).thenReturn("0");
        Enumeration<?> enumeration = mock(Enumeration.class);
        when(request.getParameterNames()).thenReturn(enumeration);

        TraceContext traceContext = spyTraceContext();
        StandardHostValveInvokeInterceptor interceptor = new StandardHostValveInvokeInterceptor(traceContext, descriptor);

        interceptor.before("target", new Object[]{request, response});
        interceptor.after("target", new Object[]{request, response}, new Object(), null);

        verify(traceContext, times(1)).continueTraceObject(any(TraceId.class));

        interceptor.before("target", new Object[]{request, response});
        interceptor.after("target", new Object[]{request, response}, new Object(), null);

        verify(traceContext, times(2)).continueTraceObject(any(TraceId.class));
    }
}