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1
7 package fr.jayasoft.ivy;
8
9 import java.io.File  ;
10 import java.io.IOException ;
11 import java.util.Date ;
12 import java.util.Random ;
13
14 import org.apache.tools.ant.Project;
15 import org.apache.tools.ant.taskdefs.Delete;
16
17 import fr.jayasoft.ivy.report.ResolveReport;
18 import fr.jayasoft.ivy.resolver.FileSystemResolver;
19 import fr.jayasoft.ivy.util.FileUtil;
20 import fr.jayasoft.ivy.xml.XmlModuleDescriptorWriter;
21
22
25 public class TestPerformance {
26 private final static String PATTERN = "build/test/perf/[module]/[artifact]-[revision].[ext]";
27
28 private final Ivy _ivy;
29 private File _cache;
30
31 public TestPerformance() throws Exception {
32 _ivy = new Ivy();
33 FileSystemResolver resolver = new FileSystemResolver();
34 resolver.setName("def");
35 resolver.setIvy(_ivy);
36
37 resolver.addIvyPattern(PATTERN);
38 resolver.addArtifactPattern(PATTERN);
39
40 _ivy.addResolver(resolver);
41 _ivy.setDefaultResolver("def");
42 }
43
44 protected void setUp() throws Exception {
45 createCache();
46 }
47
48 private void createCache() {
49 _cache = new File ("build/cache");
50 _cache.mkdirs();
51 }
52
53 protected void tearDown() throws Exception {
54 cleanCache();
55 }
56
57 private void cleanCache() {
58 Delete del = new Delete();
59 del.setProject(new Project());
60 del.setDir(_cache);
61 del.execute();
62 }
63
64 private void cleanRepo() {
65 Delete del = new Delete();
66 del.setProject(new Project());
67 del.setDir(new File ("build/test/perf"));
68 del.execute();
69 }
70
71
72 private void generateModules(int nbModules, int minDependencies, int maxDependencies, int minVersions, int maxVersions) throws IOException {
73 int nb = 0;
74 int curDep = 1;
75 int varDeps = maxDependencies - minDependencies;
76 int varVersions = maxVersions - minVersions;
77 Random r = new Random (System.currentTimeMillis());
78
79 while (nb < nbModules) {
80 int deps = minDependencies + r.nextInt(varDeps+1);
81 int versions = minVersions + r.nextInt(varVersions+1);
82
83 int prevCurDep = curDep;
84 for (int ver = 0; ver < versions; ver++) {
85 DefaultModuleDescriptor md = new DefaultModuleDescriptor(ModuleRevisionId.newInstance("jayasoft", "mod"+nb, "1."+ver),
86 "integration", new Date ());
87
88 curDep = prevCurDep;
89 for (int i = 0; i<deps && curDep < nbModules; i++) {
90 int d;
91 if (i%2 == 1) {
92 d = nb + i;
93 if (d >= prevCurDep) {
94 d = curDep;
95 curDep++;
96 }
97 } else {
98 d = curDep;
99 curDep++;
100 }
101 DefaultDependencyDescriptor dd = new DefaultDependencyDescriptor(md,
102 ModuleRevisionId.newInstance("jayasoft", "mod"+d, "latest.integration"),
103 false, false, true);
104 dd.addDependencyConfiguration("default", "default");
105 md.addDependency(dd);
106 }
107 XmlModuleDescriptorWriter.write(md, new File ("build/test/perf/mod"+nb+"/ivy-1."+ver+".xml"));
108 FileUtil.copy(new File ("test/repositories/1/org1/mod1.1/jars/mod1.1-1.0.jar"), new File ("build/test/perf/mod"+nb+"/mod"+nb+"-1."+ver+".jar"), null);
109 }
110 nb++;
111 }
112 }
113
114 public void testPerfs() throws Exception {
115 generateModules(70, 2, 5, 2, 15);
116
117 long start = System.currentTimeMillis();
118 ResolveReport report = _ivy.resolve(new File ("build/test/perf/mod0/ivy-1.0.xml").toURL(), "1.0", new String [] {"*"}, _cache, null, true);
119 long end = System.currentTimeMillis();
120 System.out.println("resolve "+report.getConfigurationReport("default").getNodesNumber()+" modules took "+(end - start)+" ms");
121
122 cleanRepo();
123 }
124
125 public static void main(String [] args) throws Exception {
126 TestPerformance t = new TestPerformance();
127 t.setUp();
128 t.testPerfs();
129 t.tearDown();
130 }
131 }
132 |
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