Method assertVersion

src/test/java/org/htmlunit/ExternalTest.java:219–259

(final String groupId, final String artifactId,
                            final String pomVersion, final Pattern ignorePattern)

    }

    private static void assertVersion(final String groupId, final String artifactId,
                            final String pomVersion, final Pattern ignorePattern)
            throws Exception {
        String latestMavenCentralVersion = null;
        String url = MAVEN_REPO_URL_
                        + groupId.replace('.', '/') + '/'
                        + artifactId.replace('.', '/');
        if (!url.endsWith("/")) {
            url += "/";
        }
        try (WebClient webClient = new WebClient(BrowserVersion.FIREFOX, false, null, -1)) {
            webClient.getOptions().setThrowExceptionOnFailingStatusCode(false);

            try {
                final HtmlPage page = webClient.getPage(url);
                for (final HtmlAnchor anchor : page.getAnchors()) {
                    String mavenCentralVersion = anchor.getTextContent();
                    mavenCentralVersion = mavenCentralVersion.substring(0, mavenCentralVersion.length() - 1);
                    if (!isIgnored(groupId, artifactId, mavenCentralVersion, ignorePattern)) {
                        if (isVersionAfter(mavenCentralVersion, latestMavenCentralVersion)) {
                            latestMavenCentralVersion = mavenCentralVersion;
                        }
                    }
                }
            }
            catch (final UnknownHostException e) {
                // ignore because our ci machine sometimes fails
            }
        }

        if (!pomVersion.endsWith("-SNAPSHOT")
                || !isVersionAfter(
                        pomVersion.substring(0, pomVersion.length() - "-SNAPSHOT".length()),
                        latestMavenCentralVersion)) {

            // it is ok if the pom uses a more recent version
            if (!isVersionAfter(pomVersion, latestMavenCentralVersion)) {
                Assertions.assertEquals(latestMavenCentralVersion, pomVersion, groupId + ":" + artifactId);
            }
        }
    }

    private static boolean isVersionAfter(final String pomVersion, final String centralVersion) {
        if (centralVersion == null) {