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11 package org.eclipse.jgit.internal.storage.file;
12
13 import static org.junit.Assert.assertEquals;
14 import static org.junit.Assert.assertFalse;
15 import static org.junit.Assert.assertNotNull;
16 import static org.junit.Assert.assertTrue;
17
18 import java.io.File;
19 import java.util.Collections;
20 import java.util.Date;
21
22 import org.eclipse.jgit.junit.TestRepository.BranchBuilder;
23 import org.eclipse.jgit.lib.ObjectId;
24 import org.eclipse.jgit.revwalk.RevBlob;
25 import org.eclipse.jgit.revwalk.RevCommit;
26 import org.eclipse.jgit.revwalk.RevTree;
27 import org.junit.Test;
28
29 public class GcPruneNonReferencedTest extends GcTestCase {
30 @Test
31 public void nonReferencedNonExpiredObject_notPruned() throws Exception {
32 RevBlob a = tr.blob("a");
33 gc.setExpire(new Date(lastModified(a)));
34 gc.prune(Collections.<ObjectId> emptySet());
35 assertTrue(repo.getObjectDatabase().has(a));
36 }
37
38 @Test
39 public void nonReferencedExpiredObject_pruned() throws Exception {
40 RevBlob a = tr.blob("a");
41 gc.setExpireAgeMillis(0);
42 fsTick();
43 gc.prune(Collections.<ObjectId> emptySet());
44 assertFalse(repo.getObjectDatabase().has(a));
45 }
46
47 @Test
48 public void nonReferencedExpiredObjectTree_pruned() throws Exception {
49 RevBlob a = tr.blob("a");
50 RevTree t = tr.tree(tr.file("a", a));
51 gc.setExpireAgeMillis(0);
52 fsTick();
53 gc.prune(Collections.<ObjectId> emptySet());
54 assertFalse(repo.getObjectDatabase().has(t));
55 assertFalse(repo.getObjectDatabase().has(a));
56 }
57
58 @Test
59 public void nonReferencedObjects_onlyExpiredPruned() throws Exception {
60 RevBlob a = tr.blob("a");
61 gc.setExpire(new Date(lastModified(a) + 1));
62
63 fsTick();
64 RevBlob b = tr.blob("b");
65
66 gc.prune(Collections.<ObjectId> emptySet());
67 assertFalse(repo.getObjectDatabase().has(a));
68 assertTrue(repo.getObjectDatabase().has(b));
69 }
70
71 @Test
72 public void testPackCommitsAndLooseOneWithPruneNow() throws Exception {
73 BranchBuilder bb = tr.branch("refs/heads/master");
74 RevCommit first = bb.commit().add("A", "A").add("B", "B").create();
75 bb.commit().add("A", "A2").add("B", "B2").create();
76 tr.update("refs/heads/master", first);
77
78 stats = gc.getStatistics();
79 assertEquals(8, stats.numberOfLooseObjects);
80 assertEquals(0, stats.numberOfPackedObjects);
81 gc.setExpireAgeMillis(0);
82 fsTick();
83 gc.gc();
84 stats = gc.getStatistics();
85 assertNoEmptyFanoutDirectories();
86 assertEquals(0, stats.numberOfLooseObjects);
87 assertEquals(8, stats.numberOfPackedObjects);
88 assertEquals(2, stats.numberOfPackFiles);
89 }
90
91 private void assertNoEmptyFanoutDirectories() {
92 File[] fanout = repo.getObjectsDirectory().listFiles();
93 assertNotNull(fanout);
94 for (File f : fanout) {
95 if (f.isDirectory()) {
96 String[] entries = f.list();
97 if (entries == null || entries.length == 0) {
98 assertFalse(
99 "Found empty fanout directory "
100 + f.getAbsolutePath() + " after pruning",
101 f.getName().length() == 2);
102 }
103 }
104 }
105 }
106 }