org.spearce.jgit.test/tst/org/spearce/jgit/lib/T0007_Index.java

   1 /*
   2  * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
   3  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   4  *
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or
   8  * without modification, are permitted provided that the following
   9  * conditions are met:
  10  *
  11  * - Redistributions of source code must retain the above copyright
  12  *   notice, this list of conditions and the following disclaimer.
  13  *
  14  * - Redistributions in binary form must reproduce the above
  15  *   copyright notice, this list of conditions and the following
  16  *   disclaimer in the documentation and/or other materials provided
  17  *   with the distribution.
  18  *
  19  * - Neither the name of the Git Development Community nor the
  20  *   names of its contributors may be used to endorse or promote
  21  *   products derived from this software without specific prior
  22  *   written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  25  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  26  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  27  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  29  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  31  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  32  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  34  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 package org.spearce.jgit.lib;
  40
  41 import java.io.File;
  42 import java.io.FileInputStream;
  43 import java.io.IOException;
  44 import java.io.InputStream;
  45 import java.lang.reflect.InvocationTargetException;
  46 import java.lang.reflect.Method;
  47
  48 import org.spearce.jgit.lib.GitIndex.Entry;
  49
  50 public class T0007_Index extends RepositoryTestCase {
  51
  52         static boolean canrungitstatus;
  53         static {
  54                 try {
  55                         canrungitstatus = system(new File("."),"git --version") == 0;
  56                 } catch (IOException e) {
  57                         System.out.println("Warning: cannot invvoke native git to validate index");
  58                 } catch (InterruptedException e) {
  59                         e.printStackTrace();
  60                 }
  61         }
  62
  63         private static int system(File dir, String cmd) throws IOException,
  64                         InterruptedException {
  65                 final Process process = Runtime.getRuntime().exec(cmd, null, dir);
  66                 new Thread() {
  67                         public void run() {
  68                                 try {
  69                                         InputStream s = process.getErrorStream();
  70                                         for (int c = s.read(); c != -1; c = s.read()) {
  71                                                 System.err.print((char) c);
  72                                         }
  73                                         s.close();
  74                                 } catch (IOException e1) {
  75                                         // TODO Auto-generated catch block
  76                                         e1.printStackTrace();
  77                                 }
  78                         }
  79                 }.start();
  80                 final Thread t2 = new Thread() {
  81                         public void run() {
  82                                 synchronized (this) {
  83                                         try {
  84                                                 InputStream e = process.getInputStream();
  85                                                 for (int c = e.read(); c != -1; c = e.read()) {
  86                                                         System.out.print((char) c);
  87                                                 }
  88                                                 e.close();
  89                                         } catch (IOException e1) {
  90                                                 // TODO Auto-generated catch block
  91                                                 e1.printStackTrace();
  92                                         }
  93                                 }
  94                         }
  95                 };
  96                 t2.start();
  97                 process.getOutputStream().close();
  98                 int ret = process.waitFor();
  99                 synchronized (t2) {
 100                         return ret;
 101                 }
 102         }
 103
 104         public void testCreateEmptyIndex() throws Exception {
 105                 GitIndex index = new GitIndex(db);
 106                 index.write();
 107 // native git doesn't like an empty index
 108 // assertEquals(0,system(trash,"git status"));
 109
 110                 GitIndex indexr = new GitIndex(db);
 111                 indexr.read();
 112                 assertEquals(0, indexr.getMembers().length);
 113         }
 114
 115         public void testReadWithNoIndex() throws Exception {
 116                 GitIndex index = new GitIndex(db);
 117                 index.read();
 118                 assertEquals(0, index.getMembers().length);
 119         }
 120
 121         public void testCreateSimpleSortTestIndex() throws Exception {
 122                 GitIndex index = new GitIndex(db);
 123                 writeTrashFile("a/b", "data:a/b");
 124                 writeTrashFile("a:b", "data:a:b");
 125                 writeTrashFile("a.b", "data:a.b");
 126                 index.add(trash, new File(trash, "a/b"));
 127                 index.add(trash, new File(trash, "a:b"));
 128                 index.add(trash, new File(trash, "a.b"));
 129                 index.write();
 130
 131                 assertEquals("a/b", index.getEntry("a/b").getName());
 132                 assertEquals("a:b", index.getEntry("a:b").getName());
 133                 assertEquals("a.b", index.getEntry("a.b").getName());
 134                 assertNull(index.getEntry("a*b"));
 135
 136                 // Repeat test for re-read index
 137                 GitIndex indexr = new GitIndex(db);
 138                 indexr.read();
 139                 assertEquals("a/b", indexr.getEntry("a/b").getName());
 140                 assertEquals("a:b", indexr.getEntry("a:b").getName());
 141                 assertEquals("a.b", indexr.getEntry("a.b").getName());
 142                 assertNull(indexr.getEntry("a*b"));
 143
 144                 if (canrungitstatus)
 145                         assertEquals(0, system(trash, "git status"));
 146         }
 147
 148         public void testUpdateSimpleSortTestIndex() throws Exception {
 149                 GitIndex index = new GitIndex(db);
 150                 writeTrashFile("a/b", "data:a/b");
 151                 writeTrashFile("a:b", "data:a:b");
 152                 writeTrashFile("a.b", "data:a.b");
 153                 index.add(trash, new File(trash, "a/b"));
 154                 index.add(trash, new File(trash, "a:b"));
 155                 index.add(trash, new File(trash, "a.b"));
 156                 writeTrashFile("a/b", "data:a/b modified");
 157                 index.add(trash, new File(trash, "a/b"));
 158                 index.write();
 159                 if (canrungitstatus)
 160                         assertEquals(0, system(trash, "git status"));
 161         }
 162
 163         public void testWriteTree() throws Exception {
 164                 GitIndex index = new GitIndex(db);
 165                 writeTrashFile("a/b", "data:a/b");
 166                 writeTrashFile("a:b", "data:a:b");
 167                 writeTrashFile("a.b", "data:a.b");
 168                 index.add(trash, new File(trash, "a/b"));
 169                 index.add(trash, new File(trash, "a:b"));
 170                 index.add(trash, new File(trash, "a.b"));
 171                 index.write();
 172
 173                 ObjectId id = index.writeTree();
 174                 assertEquals("c696abc3ab8e091c665f49d00eb8919690b3aec3", id.toString());
 175
 176                 writeTrashFile("a/b", "data:a/b");
 177                 index.add(trash, new File(trash, "a/b"));
 178
 179                 if (canrungitstatus)
 180                         assertEquals(0, system(trash, "git status"));
 181         }
 182
 183         public void testReadTree() throws Exception {
 184                 // Prepare tree
 185                 GitIndex index = new GitIndex(db);
 186                 writeTrashFile("a/b", "data:a/b");
 187                 writeTrashFile("a:b", "data:a:b");
 188                 writeTrashFile("a.b", "data:a.b");
 189                 index.add(trash, new File(trash, "a/b"));
 190                 index.add(trash, new File(trash, "a:b"));
 191                 index.add(trash, new File(trash, "a.b"));
 192                 index.write();
 193
 194                 ObjectId id = index.writeTree();
 195                 System.out.println("wrote id " + id);
 196                 assertEquals("c696abc3ab8e091c665f49d00eb8919690b3aec3", id.toString());
 197                 GitIndex index2 = new GitIndex(db);
 198
 199                 index2.readTree(db.mapTree(ObjectId.fromString(
 200                                 "c696abc3ab8e091c665f49d00eb8919690b3aec3")));
 201                 Entry[] members = index2.getMembers();
 202                 assertEquals(3, members.length);
 203                 assertEquals("a.b", members[0].getName());
 204                 assertEquals("a/b", members[1].getName());
 205                 assertEquals("a:b", members[2].getName());
 206                 assertEquals(3, members.length);
 207
 208                 GitIndex indexr = new GitIndex(db);
 209                 indexr.read();
 210                 Entry[] membersr = indexr.getMembers();
 211                 assertEquals(3, membersr.length);
 212                 assertEquals("a.b", membersr[0].getName());
 213                 assertEquals("a/b", membersr[1].getName());
 214                 assertEquals("a:b", membersr[2].getName());
 215                 assertEquals(3, membersr.length);
 216
 217                 if (canrungitstatus)
 218                         assertEquals(0, system(trash, "git status"));
 219         }
 220
 221         public void testReadTree2() throws Exception {
 222                 // Prepare a larger tree to test some odd cases in tree writing
 223                 GitIndex index = new GitIndex(db);
 224                 File f1 = writeTrashFile("a/a/a/a", "data:a/a/a/a");
 225                 File f2 = writeTrashFile("a/c/c", "data:a/c/c");
 226                 File f3 = writeTrashFile("a/b", "data:a/b");
 227                 File f4 = writeTrashFile("a:b", "data:a:b");
 228                 File f5 = writeTrashFile("a/d", "data:a/d");
 229                 File f6 = writeTrashFile("a.b", "data:a.b");
 230                 index.add(trash, f1);
 231                 index.add(trash, f2);
 232                 index.add(trash, f3);
 233                 index.add(trash, f4);
 234                 index.add(trash, f5);
 235                 index.add(trash, f6);
 236                 index.write();
 237                 ObjectId id = index.writeTree();
 238                 System.out.println("wrote id " + id);
 239                 assertEquals("ba78e065e2c261d4f7b8f42107588051e87e18e9", id.toString());
 240                 GitIndex index2 = new GitIndex(db);
 241
 242                 index2.readTree(db.mapTree(ObjectId.fromString(
 243                                 "ba78e065e2c261d4f7b8f42107588051e87e18e9")));
 244                 Entry[] members = index2.getMembers();
 245                 assertEquals(6, members.length);
 246                 assertEquals("a.b", members[0].getName());
 247                 assertEquals("a/a/a/a", members[1].getName());
 248                 assertEquals("a/b", members[2].getName());
 249                 assertEquals("a/c/c", members[3].getName());
 250                 assertEquals("a/d", members[4].getName());
 251                 assertEquals("a:b", members[5].getName());
 252
 253                 // reread and test
 254                 GitIndex indexr = new GitIndex(db);
 255                 indexr.read();
 256                 Entry[] membersr = indexr.getMembers();
 257                 assertEquals(6, membersr.length);
 258                 assertEquals("a.b", membersr[0].getName());
 259                 assertEquals("a/a/a/a", membersr[1].getName());
 260                 assertEquals("a/b", membersr[2].getName());
 261                 assertEquals("a/c/c", membersr[3].getName());
 262                 assertEquals("a/d", membersr[4].getName());
 263                 assertEquals("a:b", membersr[5].getName());
 264         }
 265
 266         public void testDelete() throws Exception {
 267                 GitIndex index = new GitIndex(db);
 268                 writeTrashFile("a/b", "data:a/b");
 269                 writeTrashFile("a:b", "data:a:b");
 270                 writeTrashFile("a.b", "data:a.b");
 271                 index.add(trash, new File(trash, "a/b"));
 272                 index.add(trash, new File(trash, "a:b"));
 273                 index.add(trash, new File(trash, "a.b"));
 274                 index.write();
 275                 index.writeTree();
 276                 index.remove(trash, new File(trash, "a:b"));
 277                 index.write();
 278                 assertEquals("a.b", index.getMembers()[0].getName());
 279                 assertEquals("a/b", index.getMembers()[1].getName());
 280
 281                 GitIndex indexr = new GitIndex(db);
 282                 indexr.read();
 283                 assertEquals("a.b", indexr.getMembers()[0].getName());
 284                 assertEquals("a/b", indexr.getMembers()[1].getName());
 285
 286                 if (canrungitstatus)
 287                         assertEquals(0, system(trash, "git status"));
 288         }
 289
 290         public void testCheckout() throws Exception {
 291                 // Prepare tree, remote it and checkout
 292                 GitIndex index = new GitIndex(db);
 293                 File aslashb = writeTrashFile("a/b", "data:a/b");
 294                 File acolonb = writeTrashFile("a:b", "data:a:b");
 295                 File adotb = writeTrashFile("a.b", "data:a.b");
 296                 index.add(trash, aslashb);
 297                 index.add(trash, acolonb);
 298                 index.add(trash, adotb);
 299                 index.write();
 300                 index.writeTree();
 301                 delete(aslashb);
 302                 delete(acolonb);
 303                 delete(adotb);
 304                 delete(aslashb.getParentFile());
 305
 306                 GitIndex index2 = new GitIndex(db);
 307                 assertEquals(0, index2.getMembers().length);
 308
 309                 index2.readTree(db.mapTree(ObjectId.fromString(
 310                                 "c696abc3ab8e091c665f49d00eb8919690b3aec3")));
 311
 312                 index2.checkout(trash);
 313                 assertEquals("data:a/b", content(aslashb));
 314                 assertEquals("data:a:b", content(acolonb));
 315                 assertEquals("data:a.b", content(adotb));
 316
 317                 if (canrungitstatus)
 318                         assertEquals(0, system(trash, "git status"));
 319         }
 320
 321         public void test030_executeBit_coreModeTrue() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, Error, Exception {
 322                 try {
 323                         // coremode true is the default, typically set to false
 324                         // by git init (but not jgit!)
 325                         Method canExecute = File.class.getMethod("canExecute", (Class[])null);
 326                         Method setExecute = File.class.getMethod("setExecutable", new Class[] { Boolean.TYPE });
 327                         File execFile = writeTrashFile("exec","exec");
 328                         if (!((Boolean)setExecute.invoke(execFile, new Object[] { Boolean.TRUE })).booleanValue())
 329                                 throw new Error("could not set execute bit on "+execFile.getAbsolutePath()+"for test");
 330                         File nonexecFile = writeTrashFile("nonexec","nonexec");
 331                         if (!((Boolean)setExecute.invoke(nonexecFile, new Object[] { Boolean.FALSE })).booleanValue())
 332                                 throw new Error("could not clear execute bit on "+nonexecFile.getAbsolutePath()+"for test");
 333
 334                         GitIndex index = new GitIndex(db);
 335                         index.filemode = Boolean.TRUE; // TODO: we need a way to set this using config
 336                         index.add(trash, execFile);
 337                         index.add(trash, nonexecFile);
 338                         Tree tree = db.mapTree(index.writeTree());
 339                         assertEquals(FileMode.EXECUTABLE_FILE, tree.findBlobMember(execFile.getName()).getMode());
 340                         assertEquals(FileMode.REGULAR_FILE, tree.findBlobMember(nonexecFile.getName()).getMode());
 341
 342                         index.write();
 343
 344                         if (!execFile.delete())
 345                                 throw new Error("Problem in test, cannot delete test file "+execFile.getAbsolutePath());
 346                         if (!nonexecFile.delete())
 347                                 throw new Error("Problem in test, cannot delete test file "+nonexecFile.getAbsolutePath());
 348                         GitIndex index2 = new GitIndex(db);
 349                         index2.filemode = Boolean.TRUE; // TODO: we need a way to set this using config
 350                         index2.read();
 351                         index2.checkout(trash);
 352                         assertTrue(((Boolean)canExecute.invoke(execFile,(Object[])null)).booleanValue());
 353                         assertFalse(((Boolean)canExecute.invoke(nonexecFile,(Object[])null)).booleanValue());
 354
 355                         assertFalse(index2.getEntry(execFile.getName()).isModified(trash));
 356                         assertFalse(index2.getEntry(nonexecFile.getName()).isModified(trash));
 357
 358                         if (!((Boolean)setExecute.invoke(execFile, new Object[] { Boolean.FALSE })).booleanValue())
 359                                 throw new Error("could not clear set execute bit on "+execFile.getAbsolutePath()+"for test");
 360                         if (!((Boolean)setExecute.invoke(nonexecFile, new Object[] { Boolean.TRUE })).booleanValue())
 361                                 throw new Error("could set execute bit on "+nonexecFile.getAbsolutePath()+"for test");
 362
 363                         assertTrue(index2.getEntry(execFile.getName()).isModified(trash));
 364                         assertTrue(index2.getEntry(nonexecFile.getName()).isModified(trash));
 365
 366                 } catch (NoSuchMethodException e) {
 367                         System.err.println("Test ignored when running under JDk < 1.6");
 368                         return;
 369                 }
 370         }
 371
 372         public void test031_executeBit_coreModeFalse() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, Error, Exception {
 373                 try {
 374                         // coremode true is the default, typically set to false
 375                         // by git init (but not jgit!)
 376                         Method canExecute = File.class.getMethod("canExecute", (Class[])null);
 377                         Method setExecute = File.class.getMethod("setExecutable", new Class[] { Boolean.TYPE });
 378                         File execFile = writeTrashFile("exec","exec");
 379                         if (!((Boolean)setExecute.invoke(execFile, new Object[] { Boolean.TRUE })).booleanValue())
 380                                 throw new Error("could not set execute bit on "+execFile.getAbsolutePath()+"for test");
 381                         File nonexecFile = writeTrashFile("nonexec","nonexec");
 382                         if (!((Boolean)setExecute.invoke(nonexecFile, new Object[] { Boolean.FALSE })).booleanValue())
 383                                 throw new Error("could not clear execute bit on "+nonexecFile.getAbsolutePath()+"for test");
 384
 385                         GitIndex index = new GitIndex(db);
 386                         index.filemode = Boolean.FALSE; // TODO: we need a way to set this using config
 387                         index.add(trash, execFile);
 388                         index.add(trash, nonexecFile);
 389                         Tree tree = db.mapTree(index.writeTree());
 390                         assertEquals(FileMode.REGULAR_FILE, tree.findBlobMember(execFile.getName()).getMode());
 391                         assertEquals(FileMode.REGULAR_FILE, tree.findBlobMember(nonexecFile.getName()).getMode());
 392
 393                         index.write();
 394
 395                         if (!execFile.delete())
 396                                 throw new Error("Problem in test, cannot delete test file "+execFile.getAbsolutePath());
 397                         if (!nonexecFile.delete())
 398                                 throw new Error("Problem in test, cannot delete test file "+nonexecFile.getAbsolutePath());
 399                         GitIndex index2 = new GitIndex(db);
 400                         index2.filemode = Boolean.FALSE; // TODO: we need a way to set this using config
 401                         index2.read();
 402                         index2.checkout(trash);
 403                         assertFalse(((Boolean)canExecute.invoke(execFile,(Object[])null)).booleanValue());
 404                         assertFalse(((Boolean)canExecute.invoke(nonexecFile,(Object[])null)).booleanValue());
 405
 406                         assertFalse(index2.getEntry(execFile.getName()).isModified(trash));
 407                         assertFalse(index2.getEntry(nonexecFile.getName()).isModified(trash));
 408
 409                         if (!((Boolean)setExecute.invoke(execFile, new Object[] { Boolean.FALSE })).booleanValue())
 410                                 throw new Error("could not clear set execute bit on "+execFile.getAbsolutePath()+"for test");
 411                         if (!((Boolean)setExecute.invoke(nonexecFile, new Object[] { Boolean.TRUE })).booleanValue())
 412                                 throw new Error("could set execute bit on "+nonexecFile.getAbsolutePath()+"for test");
 413
 414                         // no change since we ignore the execute bit
 415                         assertFalse(index2.getEntry(execFile.getName()).isModified(trash));
 416                         assertFalse(index2.getEntry(nonexecFile.getName()).isModified(trash));
 417
 418                 } catch (NoSuchMethodException e) {
 419                         System.err.println("Test ignored when running under JDk < 1.6");
 420                         return;
 421                 }
 422         }
 423
 424         private String content(File f) throws IOException {
 425                 byte[] buf = new byte[(int) f.length()];
 426                 FileInputStream is = new FileInputStream(f);
 427                 int read = is.read(buf);
 428                 assertEquals(f.length(), read);
 429                 return new String(buf, 0);
 430         }
 431
 432         private void delete(File f) throws IOException {
 433                 if (!f.delete())
 434                         throw new IOException("Failed to delete f");
 435         }
 436 }