diff options
author | 2017-03-06 10:42:47 +0100 | |
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committer | 2017-05-10 12:42:56 +0000 | |
commit | 9129ae7114c4215f5b61da4fd8360755127f815e (patch) | |
tree | fea6dd921274b8f6d0ca9cb0e407b87793fbc6ac /it/api-coverage/src/test/java | |
parent | b663b44d862d366c722466ecfb7db1231ff01ccd (diff) |
Adds integration test that measures VPP API coverage
Run using:
mvn test -pl it/api-coverage -Papi-coverage
Change-Id: I6d708ca867a83e49522947b571304c4666bf65b5
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'it/api-coverage/src/test/java')
-rw-r--r-- | it/api-coverage/src/test/java/io/fd/hc2vpp/it/JVppCoverageTest.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/it/api-coverage/src/test/java/io/fd/hc2vpp/it/JVppCoverageTest.java b/it/api-coverage/src/test/java/io/fd/hc2vpp/it/JVppCoverageTest.java new file mode 100644 index 000000000..406cd0189 --- /dev/null +++ b/it/api-coverage/src/test/java/io/fd/hc2vpp/it/JVppCoverageTest.java @@ -0,0 +1,82 @@ +/* + * 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.snat.JVppSnat; +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, + JVppSnat.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; + } +} |