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43 package org.eclipse.jgit.dircache;
44
45 import static org.junit.Assert.assertEquals;
46 import static org.junit.Assert.fail;
47
48 import java.util.ArrayList;
49 import java.util.List;
50
51 import org.eclipse.jgit.dircache.DirCacheEditor.PathEdit;
52 import org.eclipse.jgit.errors.DirCacheNameConflictException;
53 import org.eclipse.jgit.lib.FileMode;
54 import org.eclipse.jgit.lib.ObjectId;
55 import org.junit.Test;
56
57 public class DirCachePathEditTest {
58
59 static final class AddEdit extends PathEdit {
60
61 public AddEdit(String entryPath) {
62 super(entryPath);
63 }
64
65 @Override
66 public void apply(DirCacheEntry ent) {
67 ent.setFileMode(FileMode.REGULAR_FILE);
68 ent.setLength(1);
69 ent.setObjectId(ObjectId.zeroId());
70 }
71
72 }
73
74 private static final class RecordingEdit extends PathEdit {
75 final List<DirCacheEntry> entries = new ArrayList<>();
76
77 public RecordingEdit(String entryPath) {
78 super(entryPath);
79 }
80
81 @Override
82 public void apply(DirCacheEntry ent) {
83 entries.add(ent);
84 }
85 }
86
87 @Test
88 public void testAddDeletePathAndTreeNormalNames() {
89 DirCache dc = DirCache.newInCore();
90 DirCacheEditor editor = dc.editor();
91 editor.add(new AddEdit("a"));
92 editor.add(new AddEdit("b/c"));
93 editor.add(new AddEdit("c/d"));
94 editor.finish();
95 assertEquals(3, dc.getEntryCount());
96 assertEquals("a", dc.getEntry(0).getPathString());
97 assertEquals("b/c", dc.getEntry(1).getPathString());
98 assertEquals("c/d", dc.getEntry(2).getPathString());
99
100 editor = dc.editor();
101 editor.add(new DirCacheEditor.DeletePath("b/c"));
102 editor.finish();
103 assertEquals(2, dc.getEntryCount());
104 assertEquals("a", dc.getEntry(0).getPathString());
105 assertEquals("c/d", dc.getEntry(1).getPathString());
106
107 editor = dc.editor();
108 editor.add(new DirCacheEditor.DeleteTree(""));
109 editor.finish();
110 assertEquals(0, dc.getEntryCount());
111 }
112
113 @Test
114 public void testAddDeleteTrickyNames() {
115 DirCache dc = DirCache.newInCore();
116 DirCacheEditor editor = dc.editor();
117 editor.add(new AddEdit("a/b"));
118 editor.add(new AddEdit("a-"));
119 editor.add(new AddEdit("ab"));
120 editor.finish();
121 assertEquals(3, dc.getEntryCount());
122
123
124 assertEquals("a-", dc.getEntry(0).getPathString());
125 assertEquals("a/b", dc.getEntry(1).getPathString());
126 assertEquals("ab", dc.getEntry(2).getPathString());
127
128 editor = dc.editor();
129
130
131 editor.add(new DirCacheEditor.DeleteTree("a"));
132 editor.finish();
133 assertEquals(2, dc.getEntryCount());
134 assertEquals("a-", dc.getEntry(0).getPathString());
135 assertEquals("ab", dc.getEntry(1).getPathString());
136 }
137
138 @Test
139 public void testPathEditShouldBeCalledForEachStage() throws Exception {
140 DirCache dc = DirCache.newInCore();
141 DirCacheBuilder builder = new DirCacheBuilder(dc, 3);
142 builder.add(createEntry("a", DirCacheEntry.STAGE_1));
143 builder.add(createEntry("a", DirCacheEntry.STAGE_2));
144 builder.add(createEntry("a", DirCacheEntry.STAGE_3));
145 builder.finish();
146
147 DirCacheEditor editor = dc.editor();
148 RecordingEdit recorder = new RecordingEdit("a");
149 editor.add(recorder);
150 editor.finish();
151
152 List<DirCacheEntry> entries = recorder.entries;
153 assertEquals(3, entries.size());
154 assertEquals(DirCacheEntry.STAGE_1, entries.get(0).getStage());
155 assertEquals(DirCacheEntry.STAGE_2, entries.get(1).getStage());
156 assertEquals(DirCacheEntry.STAGE_3, entries.get(2).getStage());
157 }
158
159 @Test
160 public void testFileReplacesTree() throws Exception {
161 DirCache dc = DirCache.newInCore();
162 DirCacheEditor editor = dc.editor();
163 editor.add(new AddEdit("a"));
164 editor.add(new AddEdit("b/c"));
165 editor.add(new AddEdit("b/d"));
166 editor.add(new AddEdit("e"));
167 editor.finish();
168
169 editor = dc.editor();
170 editor.add(new AddEdit("b"));
171 editor.finish();
172
173 assertEquals(3, dc.getEntryCount());
174 assertEquals("a", dc.getEntry(0).getPathString());
175 assertEquals("b", dc.getEntry(1).getPathString());
176 assertEquals("e", dc.getEntry(2).getPathString());
177
178 dc.clear();
179 editor = dc.editor();
180 editor.add(new AddEdit("A.c"));
181 editor.add(new AddEdit("A/c"));
182 editor.add(new AddEdit("A0c"));
183 editor.finish();
184
185 editor = dc.editor();
186 editor.add(new AddEdit("A"));
187 editor.finish();
188 assertEquals(3, dc.getEntryCount());
189 assertEquals("A", dc.getEntry(0).getPathString());
190 assertEquals("A.c", dc.getEntry(1).getPathString());
191 assertEquals("A0c", dc.getEntry(2).getPathString());
192 }
193
194 @Test
195 public void testTreeReplacesFile() throws Exception {
196 DirCache dc = DirCache.newInCore();
197 DirCacheEditor editor = dc.editor();
198 editor.add(new AddEdit("a"));
199 editor.add(new AddEdit("ab"));
200 editor.add(new AddEdit("b"));
201 editor.add(new AddEdit("e"));
202 editor.finish();
203
204 editor = dc.editor();
205 editor.add(new AddEdit("b/c/d/f"));
206 editor.add(new AddEdit("b/g/h/i"));
207 editor.finish();
208
209 assertEquals(5, dc.getEntryCount());
210 assertEquals("a", dc.getEntry(0).getPathString());
211 assertEquals("ab", dc.getEntry(1).getPathString());
212 assertEquals("b/c/d/f", dc.getEntry(2).getPathString());
213 assertEquals("b/g/h/i", dc.getEntry(3).getPathString());
214 assertEquals("e", dc.getEntry(4).getPathString());
215 }
216
217 @Test
218 public void testDuplicateFiles() throws Exception {
219 DirCache dc = DirCache.newInCore();
220 DirCacheEditor editor = dc.editor();
221 editor.add(new AddEdit("a"));
222 editor.add(new AddEdit("a"));
223
224 try {
225 editor.finish();
226 fail("Expected DirCacheNameConflictException to be thrown");
227 } catch (DirCacheNameConflictException e) {
228 assertEquals("a a", e.getMessage());
229 assertEquals("a", e.getPath1());
230 assertEquals("a", e.getPath2());
231 }
232 }
233
234 @Test
235 public void testFileOverlapsTree() throws Exception {
236 DirCache dc = DirCache.newInCore();
237 DirCacheEditor editor = dc.editor();
238 editor.add(new AddEdit("a"));
239 editor.add(new AddEdit("a/b").setReplace(false));
240 try {
241 editor.finish();
242 fail("Expected DirCacheNameConflictException to be thrown");
243 } catch (DirCacheNameConflictException e) {
244 assertEquals("a a/b", e.getMessage());
245 assertEquals("a", e.getPath1());
246 assertEquals("a/b", e.getPath2());
247 }
248
249 editor = dc.editor();
250 editor.add(new AddEdit("A.c"));
251 editor.add(new AddEdit("A/c").setReplace(false));
252 editor.add(new AddEdit("A0c"));
253 editor.add(new AddEdit("A"));
254 try {
255 editor.finish();
256 fail("Expected DirCacheNameConflictException to be thrown");
257 } catch (DirCacheNameConflictException e) {
258 assertEquals("A A/c", e.getMessage());
259 assertEquals("A", e.getPath1());
260 assertEquals("A/c", e.getPath2());
261 }
262
263 editor = dc.editor();
264 editor.add(new AddEdit("A.c"));
265 editor.add(new AddEdit("A/b/c/d").setReplace(false));
266 editor.add(new AddEdit("A/b/c"));
267 editor.add(new AddEdit("A0c"));
268 try {
269 editor.finish();
270 fail("Expected DirCacheNameConflictException to be thrown");
271 } catch (DirCacheNameConflictException e) {
272 assertEquals("A/b/c A/b/c/d", e.getMessage());
273 assertEquals("A/b/c", e.getPath1());
274 assertEquals("A/b/c/d", e.getPath2());
275 }
276 }
277
278 private static DirCacheEntry createEntry(String path, int stage) {
279 DirCacheEntry entry = new DirCacheEntry(path, stage);
280 entry.setFileMode(FileMode.REGULAR_FILE);
281 return entry;
282 }
283 }