io.gatling.mojo.VerifyMojo Maven / Gradle / Ivy

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Forked from gatling-maven-plugin 3.1.0, this version has test events integration.
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/**
 * Copyright 2011-2017 GatlingCorp (http://gatling.io)
 *
 * 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.gatling.mojo;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.codehaus.plexus.util.StringUtils;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

/**
 * Mojo to verify Gatling simulation results.
 */
@Mojo(name = "verify", defaultPhase = LifecyclePhase.VERIFY)
public class VerifyMojo extends AbstractGatlingExecutionMojo {

    @Override
    public void execute() throws MojoExecutionException, MojoFailureException {
        if (skip) {
            getLog().info("Skipping gatling-maven-plugin");
        } else {
            executePlugin();
        }
    }

    private void executePlugin() throws MojoFailureException, MojoExecutionException {
        try {
            verifyLastRun();
        } catch (IOException e) {
            throw new MojoExecutionException("Could not read result files.", e);
        }
    }

    private void verifyLastRun() throws IOException, MojoFailureException, MojoExecutionException {
        Path results = resultsFolder.toPath().resolve(LAST_RUN_FILE);

        if (results.toFile().exists()) {
            for (String line : Files.readAllLines(results)) {
                checkError(line);
                File directory = new File(resultsFolder, line);
                searchForAssertionFailures(directory);
            }
        }
    }

    private void checkError(String line) throws MojoFailureException {
        if (StringUtils.contains(line, LAST_RUN_FILE_ERROR_LINE)) {
            throwFailureException(line.substring(LAST_RUN_FILE_ERROR_LINE.length()));
        }
    }

    private void searchForAssertionFailures(File runDirectory) throws MojoExecutionException, MojoFailureException {
        File jsDir = new File(runDirectory, "js");
        if (jsDir.exists() && jsDir.isDirectory()) {
            File assertionFile = new File(jsDir, "assertions.xml");
            if (assertionFile.exists()) {
                analyzeFile(assertionFile);
            }
        }
    }

    private void analyzeFile(File assertionFile) throws MojoExecutionException, MojoFailureException {
        AssertionsSummary summary;
        try {
            summary = AssertionsSummary.fromAssertionsFile(assertionFile);
        } catch (Exception e) {
            throw new MojoExecutionException("Failed to parse " + assertionFile.toString(), e);
        }
        if (summary.hasFailures()) {
            throwFailureException("Gatling simulation assertions failed!");
        }
    }

    private void throwFailureException(String message) throws MojoFailureException {
        getLog().error(message);
        getLog().error("See the reports in " + resultsFolder.getPath() + " for details.");
        throw new MojoFailureException(message);
    }
}