Application: gvSIG desktop

package org.gvsig.installer.lib.impl.execution;

import java.util.ArrayList;

import java.util.LinkedHashMap;

import java.util.List;

import java.util.Map;

import junit.framework.TestCase;

import org.gvsig.installer.lib.api.PackageInfo;

import org.gvsig.installer.lib.api.Version;

import org.gvsig.installer.lib.impl.DefaultDependenciesCalculator;

import org.gvsig.installer.lib.impl.DefaultPackageInfo;

import org.gvsig.installer.lib.impl.DefaultVersion;

public class DependencyCalculatorTest extends TestCase {

        private MyInstallPackageService getInstallService() {

                MyInstallPackageService serv = new MyInstallPackageService();

                serv.addPackage("p1", "1.0.0", null);

                serv.addPackage("p1", "2.0.0", null);

                serv.addPackage("p1", "3.0.0", null);

                serv.addPackage("p2", "3.0.0", null);

                serv.addPackage("p2", "5.0.0", null);

                serv.addPackage("p2", "9.0.0", null);

                serv.addPackage("p3", "1.0.0", null);

                serv.addPackage("p4", "1.0.0", null);

                serv.addPackage("p5", "1.0.0", "required: p2 -ge 5.0.0");

                serv.addPackage("p6", "1.0.0", "required: p1 >= 1.0.0");

                serv.addPackage("p7", "1.0.0", "required: p1 -ge 2.0.0");

                serv.addPackage("p8", "1.0.0", "required: p2 >= 1, required: p6 -ge 1");

                serv.addPackage("p9", "1.0.0", "required: p8 >= 1.0.0, required: p7 >= 1.0.0");

                return serv;

        }

        public void testCalculate() {

                MyInstallPackageService installService = this.getInstallService();

                DefaultDependenciesCalculator calculator = new DefaultDependenciesCalculator(installService);

                calculator.addInstalledPackage( installService.getPackageInfo("p1","1.0.0"));

                calculator.addInstalledPackage( installService.getPackageInfo("p2","3.0.0"));

                calculator.addInstalledPackage( installService.getPackageInfo("p5","1.0.0"));

                calculator.addPackageToInstall(installService.getPackageInfo("p7","1.0.0"));

                calculator.addPackageToInstall(installService.getPackageInfo("p9","1.0.0"));

                calculator.calculate();

                List<PackageInfo> requireds = calculator.getRequiredPackages();

                /*

                        required packages

                        PKG p1 ver=2.0.0-0

                        PKG p2 ver=5.0.0-0

                        PKG p6 ver=1.0.0-0 deps=required: p1 >= 1.0.0-0

                        PKG p8 ver=1.0.0-0 deps=required: p2 >= 1.0.0-0, required: p6 >= 1.0.0-0

                */

                PackageInfo pkg;

                assertEquals(4, requireds.size());

                pkg = requireds.get(0);

                assertEquals("p1", pkg.getCode());

                assertEquals("2.0.0-0", pkg.getVersion().toString());

                pkg = requireds.get(1);

                assertEquals("p2", pkg.getCode());

                assertEquals("5.0.0-0", pkg.getVersion().toString());

                pkg = requireds.get(2);

                assertEquals("p6", pkg.getCode());

                assertEquals("1.0.0-0", pkg.getVersion().toString());

                pkg = requireds.get(3);

                assertEquals("p8", pkg.getCode());

                assertEquals("1.0.0-0", pkg.getVersion().toString());

        }

        private class MyInstallPackageService extends InstallPackageServiceDumb {

                Map<String,PackageInfo> packages = new LinkedHashMap<String, PackageInfo>();

                List<PackageInfo> pacakgesList = null;

                MyInstallPackageService() {

                }

                public void addPackage(String code, String version, String dependencies) {

                        DefaultPackageInfo pkg = new DefaultPackageInfo();

                        pkg.setCode(code);

                        pkg.setType("plugin");

                        pkg.setVersion(new DefaultVersion().parse(version));

                        pkg.setDependencies( dependencies);

                        pkg.setName(code +" (name)");

                        pkg.setDescription(code + " (description)");

                        packages.put(pkg.getCode()+"-"+pkg.getVersion().fullFormat(), pkg);

                }

                public PackageInfo getPackageInfo(String code, String version) {

                        Version ver = new DefaultVersion().parse(version);

                        return packages.get(code+"-"+ver.fullFormat());

                }

                public int getPackageCount() {

                        if( pacakgesList==null ) {

                                pacakgesList = new ArrayList<PackageInfo>(); 

                                pacakgesList.addAll(packages.values());

                        }

                        return pacakgesList.size();

                }

                public PackageInfo getPackageInfo(int index) {

                        if( pacakgesList==null ) {

                                pacakgesList = new ArrayList<PackageInfo>(); 

                                pacakgesList.addAll(packages.values());

                        }

                        return pacakgesList.get(index);

                }

        }

}