/*
 * The MIT License
 *
 * Copyright (c) 2016, CloudBees, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.csanchez.jenkins.plugins.kubernetes;

import static org.hamcrest.Matchers.*;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.junit.Assume;

import hudson.Launcher;
import hudson.util.StreamTaskListener;

public class KubernetesTestUtil {

    private static String ip = null;

    public static String miniKubeIp() {
        if (ip == null) {
            Launcher.LocalLauncher localLauncher = new Launcher.LocalLauncher(StreamTaskListener.NULL);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            try {
                localLauncher.launch().cmds("minikube", "ip").stdout(baos).join();
                String stdout = baos.toString().trim();

                // leave last line only, ie. when a new version is available it will print some info message
                int i = stdout.lastIndexOf("\n");
                if (i > 0) {
                    ip = stdout.substring(i);
                } else {
                    ip = stdout;
                }

            } catch (InterruptedException | IOException x) {
                ip = "";
            }
        }
        return ip;
    }

    public static void assumeMiniKube() throws Exception {
        Assume.assumeThat("MiniKube working", ip, not(isEmptyOrNullString()));
    }

}

@@ -1291,16 +1291,37 @@
 ception;
+%0Aimport java.net.URL;
 %0A%0Aimport
@@ -2034,16 +2034,42 @@
 (%22%5Cn%22);%0A
+                String s;%0A
         
@@ -2101,34 +2101,33 @@
                 
-ip
+s
  = stdout.substr
@@ -2179,18 +2179,17 @@
         
-ip
+s
  = stdou
@@ -2204,24 +2204,99 @@
            %7D
+%0A                URL url = new URL(s);%0A                ip = url.toString();
 %0A%0A          

Validate that minkube returned ip is valid