@Test
public void testUsingHiddenDeltaBaseFails() throws Exception {
byte[] delta = {0x1, 0x1, 0x1, 'c'};
TestRepository<Repository> s = new TestRepository<Repository>(src);
RevCommit N =
s.commit()
.parent(B)
.add("q", s.blob(BinaryDelta.apply(dst.open(b).getCachedBytes(), delta)))
.create();
final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(1024);
packHeader(pack, 3);
copy(pack, src.open(N));
copy(pack, src.open(s.parseBody(N).getTree()));
pack.write((Constants.OBJ_REF_DELTA) << 4 | 4);
b.copyRawTo(pack);
deflate(pack, delta);
digest(pack);
final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(1024);
final PacketLineOut inPckLine = new PacketLineOut(inBuf);
inPckLine.writeString(
ObjectId.zeroId().name()
+ ' '
+ N.name()
+ ' '
+ "refs/heads/s"
+ '\0'
+ BasePackPushConnection.CAPABILITY_REPORT_STATUS);
inPckLine.end();
pack.writeTo(inBuf, PM);
final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024);
final ReceivePack rp = new ReceivePack(dst);
rp.setCheckReceivedObjects(true);
rp.setCheckReferencedObjectsAreReachable(true);
rp.setAdvertiseRefsHook(new HidePrivateHook());
try {
receive(rp, inBuf, outBuf);
fail("Expected UnpackException");
} catch (UnpackException failed) {
Throwable err = failed.getCause();
assertTrue(err instanceof MissingObjectException);
MissingObjectException moe = (MissingObjectException) err;
assertEquals(b, moe.getObjectId());
}
final PacketLineIn r = asPacketLineIn(outBuf);
String master = r.readString();
int nul = master.indexOf('\0');
assertTrue("has capability list", nul > 0);
assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul));
assertSame(PacketLineIn.END, r.readString());
assertEquals("unpack error Missing blob " + b.name(), r.readString());
assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString());
assertSame(PacketLineIn.END, r.readString());
}
@Test
public void testUsingUnknownBlobFails() throws Exception {
// Try to use the 'n' blob that is not on the server.
//
TestRepository<Repository> s = new TestRepository<Repository>(src);
RevBlob n = s.blob("n");
RevCommit N = s.commit().parent(B).add("q", n).create();
// But don't include it in the pack.
//
final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(1024);
packHeader(pack, 2);
copy(pack, src.open(N));
copy(pack, src.open(s.parseBody(N).getTree()));
digest(pack);
final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(1024);
final PacketLineOut inPckLine = new PacketLineOut(inBuf);
inPckLine.writeString(
ObjectId.zeroId().name()
+ ' '
+ N.name()
+ ' '
+ "refs/heads/s"
+ '\0'
+ BasePackPushConnection.CAPABILITY_REPORT_STATUS);
inPckLine.end();
pack.writeTo(inBuf, PM);
final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024);
final ReceivePack rp = new ReceivePack(dst);
rp.setCheckReceivedObjects(true);
rp.setCheckReferencedObjectsAreReachable(true);
rp.setAdvertiseRefsHook(new HidePrivateHook());
try {
receive(rp, inBuf, outBuf);
fail("Expected UnpackException");
} catch (UnpackException failed) {
Throwable err = failed.getCause();
assertTrue(err instanceof MissingObjectException);
MissingObjectException moe = (MissingObjectException) err;
assertEquals(n, moe.getObjectId());
}
final PacketLineIn r = asPacketLineIn(outBuf);
String master = r.readString();
int nul = master.indexOf('\0');
assertTrue("has capability list", nul > 0);
assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul));
assertSame(PacketLineIn.END, r.readString());
assertEquals("unpack error Missing blob " + n.name(), r.readString());
assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString());
assertSame(PacketLineIn.END, r.readString());
}
@Test
public void testAbbreviatePackedBlob() throws Exception {
RevBlob id = test.blob("test");
test.branch("master").commit().add("test", id).child();
test.packAndPrune();
assertTrue(reader.has(id));
assertEquals(id.abbreviate(7), reader.abbreviate(id, 7));
assertEquals(id.abbreviate(8), reader.abbreviate(id, 8));
assertEquals(id.abbreviate(10), reader.abbreviate(id, 10));
assertEquals(id.abbreviate(16), reader.abbreviate(id, 16));
Collection<ObjectId> matches = reader.resolve(reader.abbreviate(id, 8));
assertNotNull(matches);
assertEquals(1, matches.size());
assertEquals(id, matches.iterator().next());
assertEquals(id, db.resolve(reader.abbreviate(id, 8).name()));
}
@Test
public void testPush_UnpackError_TruncatedPack() throws Exception {
StringBuilder sb = new StringBuilder();
sb.append(ObjectId.zeroId().name());
sb.append(' ');
sb.append(a_blob.name());
sb.append(' ');
sb.append("refs/objects/A");
sb.append('\0');
sb.append("report-status");
ByteArrayOutputStream reqbuf = new ByteArrayOutputStream();
PacketLineOut reqpck = new PacketLineOut(reqbuf);
reqpck.writeString(sb.toString());
reqpck.end();
packHeader(reqbuf, 1);
byte[] reqbin = reqbuf.toByteArray();
URL u = new URL(remoteURI.toString() + "/git-receive-pack");
HttpURLConnection c = (HttpURLConnection) u.openConnection();
try {
c.setRequestMethod("POST");
c.setDoOutput(true);
c.setRequestProperty("Content-Type", GitSmartHttpTools.RECEIVE_PACK_REQUEST_TYPE);
c.setFixedLengthStreamingMode(reqbin.length);
OutputStream out = c.getOutputStream();
try {
out.write(reqbin);
} finally {
out.close();
}
assertEquals(200, c.getResponseCode());
assertEquals(GitSmartHttpTools.RECEIVE_PACK_RESULT_TYPE, c.getContentType());
InputStream rawin = c.getInputStream();
try {
PacketLineIn pckin = new PacketLineIn(rawin);
assertEquals("unpack error " + JGitText.get().packfileIsTruncated, pckin.readString());
assertEquals("ng refs/objects/A n/a (unpacker error)", pckin.readString());
assertSame(PacketLineIn.END, pckin.readString());
} finally {
rawin.close();
}
} finally {
c.disconnect();
}
}
@Test
public void testSuccess() throws Exception {
// Manually force a delta of an object so we reuse it later.
//
TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(1024);
packHeader(pack, 2);
pack.write((Constants.OBJ_BLOB) << 4 | 1);
deflate(pack, new byte[] {'a'});
pack.write((Constants.OBJ_REF_DELTA) << 4 | 4);
a.copyRawTo(pack);
deflate(pack, new byte[] {0x1, 0x1, 0x1, 'b'});
digest(pack);
openPack(pack);
// Verify the only storage of b is our packed delta above.
//
ObjectDirectory od = (ObjectDirectory) src.getObjectDatabase();
assertTrue("has b", src.hasObject(b));
assertFalse("b not loose", od.fileFor(b).exists());
// Now use b but in a different commit than what is hidden.
//
TestRepository<Repository> s = new TestRepository<Repository>(src);
RevCommit N = s.commit().parent(B).add("q", b).create();
s.update(R_MASTER, N);
// Push this new content to the remote, doing strict validation.
//
TransportLocal t =
new TransportLocal(src, uriOf(dst), dst.getDirectory()) {
@Override
ReceivePack createReceivePack(final Repository db) {
db.close();
dst.incrementOpen();
final ReceivePack rp = super.createReceivePack(dst);
rp.setCheckReceivedObjects(true);
rp.setCheckReferencedObjectsAreReachable(true);
rp.setAdvertiseRefsHook(new HidePrivateHook());
return rp;
}
};
RemoteRefUpdate u =
new RemoteRefUpdate( //
src, //
R_MASTER, // src name
R_MASTER, // dst name
false, // do not force update
null, // local tracking branch
null // expected id
);
PushResult r;
try {
t.setPushThin(true);
r = t.push(PM, Collections.singleton(u));
} finally {
t.close();
}
assertNotNull("have result", r);
assertNull("private not advertised", r.getAdvertisedRef(R_PRIVATE));
assertSame("master updated", RemoteRefUpdate.Status.OK, u.getStatus());
assertEquals(N, dst.resolve(R_MASTER));
}