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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* 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.fd.hc2vpp.it;
import io.fd.vpp.jvpp.acl.JVppAcl;
import io.fd.vpp.jvpp.core.JVppCore;
import io.fd.vpp.jvpp.ioamexport.JVppIoamexport;
import io.fd.vpp.jvpp.ioampot.JVppIoampot;
import io.fd.vpp.jvpp.ioamtrace.JVppIoamtrace;
import io.fd.vpp.jvpp.nat.JVppNat;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Scanner;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class JVppCoverageTest {
private static final Logger LOG = LoggerFactory.getLogger(JVppCoverageTest.class);
@Test
public void coverageTest() throws IOException {
final Class[] apis = new Class[] {
JVppCore.class,
JVppAcl.class,
JVppNat.class,
JVppIoamtrace.class,
JVppIoamexport.class,
JVppIoampot.class
};
int covered = 0;
int methods = 0;
for (Class api : apis) {
final Method[] declaredMethods = api.getDeclaredMethods();
methods += declaredMethods.length - 1; // excluding send method
covered += coverage(api, declaredMethods);
}
LOG.info("#methods={} covered={} ({}%)", methods, covered, (100.0 * covered) / methods);
}
private static int coverage(final Class api, final Method[] methods) throws IOException {
int covered = 0;
int nMethods = methods.length - 1; // excluding send method
for (Method method : methods) {
LOG.info(method.getName());
if (isMethodCovered(method.getName())) {
covered++;
}
}
covered--; // excluding send
LOG.info("{}: #methods={} covered={} ({}%)", api, nMethods, covered, (100.0 * covered) / nMethods);
return covered;
}
private static boolean isMethodCovered(final String name) throws IOException {
final Runtime rt = Runtime.getRuntime();
// TODO (grep per api name is slow):
// scan all java files for jvpp invocations, make a set/map and use it for usage lookup
final String[] cmd =
{"/bin/sh", "-c", "grep -rn /home/m/hc2vpp --include *.java -rn . -e \"" + name + "\" | wc -l"};
final Process proc = rt.exec(cmd);
final Scanner sc = new Scanner(proc.getInputStream());
final int nRefs = sc.nextInt();
LOG.info("Method {} was referenced {}", name, nRefs);
return nRefs > 0;
}
}
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