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Move exception handling code to the caller 

By doing this, exceptions thrown by sendPack are also covered by the
same code.

Change-Id: I3509f2d832af1410f307e931577e4d07e32b014e
Signed-off-by: Masaya Suzuki <masayasuzuki@google.com>
stable-5.5
Masaya Suzuki 6 years ago committed by Terry Parker
parent
ca360ea2b5
commit
f8267c9edb
2 changed files with 74 additions and 71 deletions
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  1. 90
      org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java
  2. 55
      org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java

90
org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java
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@ -10,7 +10,6 @@ import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
@ -28,7 +27,6 @@ import java.util.Map;
import org.eclipse.jgit.dircache.DirCache;
import org.eclipse.jgit.dircache.DirCacheBuilder;
import org.eclipse.jgit.dircache.DirCacheEntry;
import org.eclipse.jgit.errors.PackProtocolException;
import org.eclipse.jgit.errors.TransportException;
import org.eclipse.jgit.internal.storage.dfs.DfsGarbageCollector;
import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
@ -734,11 +732,12 @@ public class UploadPackTest {
@Test
public void testV2LsRefsUnrecognizedArgument() throws Exception {
PackProtocolException e = assertThrows(PackProtocolException.class,
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2("command=ls-refs\n",
PacketLineIn.delimiter(), "invalid-argument\n",
PacketLineIn.end()));
assertThat(e.getMessage(),
assertThat(e.getCause().getMessage(),
containsString("unexpected invalid-argument"));
}
@ -791,12 +790,13 @@ public class UploadPackTest {
PacketLineIn.end());
// This doesn't
TransportException e = assertThrows(TransportException.class,
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2(RequestPolicy.ADVERTISED, null, null,
"command=fetch\n", PacketLineIn.delimiter(),
"want " + unadvertized.name() + "\n",
PacketLineIn.end()));
assertThat(e.getMessage(),
assertThat(e.getCause().getMessage(),
containsString("want " + unadvertized.name() + " not valid"));
}
@ -814,12 +814,13 @@ public class UploadPackTest {
"want " + reachable.name() + "\n", PacketLineIn.end());
// This doesn't
TransportException e = assertThrows(TransportException.class,
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2(RequestPolicy.REACHABLE_COMMIT, null, null,
"command=fetch\n", PacketLineIn.delimiter(),
"want " + unreachable.name() + "\n",
PacketLineIn.end()));
assertThat(e.getMessage(),
assertThat(e.getCause().getMessage(),
containsString("want " + unreachable.name() + " not valid"));
}
@ -836,12 +837,13 @@ public class UploadPackTest {
"want " + tip.name() + "\n", PacketLineIn.end());
// This doesn't
TransportException e = assertThrows(TransportException.class,
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2(RequestPolicy.TIP, new RejectAllRefFilter(),
null, "command=fetch\n", PacketLineIn.delimiter(),
"want " + parentOfTip.name() + "\n",
PacketLineIn.end()));
assertThat(e.getMessage(),
assertThat(e.getCause().getMessage(),
containsString("want " + parentOfTip.name() + " not valid"));
}
@ -860,13 +862,14 @@ public class UploadPackTest {
PacketLineIn.end());
// This doesn't
TransportException e = assertThrows(TransportException.class,
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2(RequestPolicy.REACHABLE_COMMIT_TIP,
new RejectAllRefFilter(), null, "command=fetch\n",
PacketLineIn.delimiter(),
"want " + unreachable.name() + "\n",
PacketLineIn.end()));
assertThat(e.getMessage(),
assertThat(e.getCause().getMessage(),
containsString("want " + unreachable.name() + " not valid"));
}
@ -1302,12 +1305,13 @@ public class UploadPackTest {
remote.update("branch1", tooOld);
PackProtocolException e = assertThrows(PackProtocolException.class,
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2("command=fetch\n", PacketLineIn.delimiter(),
"deepen-since 1510000\n",
"want " + tooOld.toObjectId().getName() + "\n",
"done\n", PacketLineIn.end()));
assertThat(e.getMessage(),
assertThat(e.getCause().getMessage(),
containsString("No commits selected for shallow request"));
}
@ -1377,12 +1381,13 @@ public class UploadPackTest {
remote.update("two", two);
remote.update("four", four);
PackProtocolException e = assertThrows(PackProtocolException.class,
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2("command=fetch\n", PacketLineIn.delimiter(),
"deepen-not four\n",
"want " + two.toObjectId().getName() + "\n", "done\n",
PacketLineIn.end()));
assertThat(e.getMessage(),
assertThat(e.getCause().getMessage(),
containsString("No commits selected for shallow request"));
}
@ -1461,10 +1466,11 @@ public class UploadPackTest {
@Test
public void testV2FetchUnrecognizedArgument() throws Exception {
PackProtocolException e = assertThrows(PackProtocolException.class,
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2("command=fetch\n", PacketLineIn.delimiter(),
"invalid-argument\n", PacketLineIn.end()));
assertThat(e.getMessage(),
assertThat(e.getCause().getMessage(),
containsString("unexpected invalid-argument"));
}
@ -1834,11 +1840,12 @@ public class UploadPackTest {
server.getConfig().setBoolean("uploadpack", null, "allowfilter", false);
PackProtocolException e = assertThrows(PackProtocolException.class,
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2("command=fetch\n", PacketLineIn.delimiter(),
"want " + commit.toObjectId().getName() + "\n",
"filter blob:limit=5\n", "done\n", PacketLineIn.end()));
assertThat(e.getMessage(),
assertThat(e.getCause().getMessage(),
containsString("unexpected filter blob:limit=5"));
}
@ -1847,20 +1854,13 @@ public class UploadPackTest {
RevCommit one = remote.commit().message("1").create();
remote.update("one", one);
try {
uploadPackV2(
"command=fetch\n",
PacketLineIn.delimiter(),
"want-ref refs/heads/one\n",
"done\n",
PacketLineIn.end());
} catch (PackProtocolException e) {
assertThat(
e.getMessage(),
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2("command=fetch\n", PacketLineIn.delimiter(),
"want-ref refs/heads/one\n", "done\n",
PacketLineIn.end()));
assertThat(e.getCause().getMessage(),
containsString("unexpected want-ref refs/heads/one"));
return;
}
fail("expected PackProtocolException");
}
@Test
@ -1902,23 +1902,17 @@ public class UploadPackTest {
RevCommit one = remote.commit().message("1").create();
remote.update("one", one);
server.getConfig().setBoolean("uploadpack", null, "allowrefinwant", true);
server.getConfig().setBoolean("uploadpack", null, "allowrefinwant",
true);
try {
uploadPackV2(
"command=fetch\n",
PacketLineIn.delimiter(),
"want-ref refs/heads/one\n",
"want-ref refs/heads/nonExistentRef\n",
"done\n",
PacketLineIn.end());
} catch (PackProtocolException e) {
assertThat(
e.getMessage(),
UploadPackInternalServerErrorException e = assertThrows(
UploadPackInternalServerErrorException.class,
() -> uploadPackV2("command=fetch\n", PacketLineIn.delimiter(),
"want-ref refs/heads/one\n",
"want-ref refs/heads/nonExistentRef\n", "done\n",
PacketLineIn.end()));
assertThat(e.getCause().getMessage(),
containsString("Invalid ref name: refs/heads/nonExistentRef"));
return;
}
fail("expected PackProtocolException");
}
@Test

55
org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java
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@ -751,8 +751,8 @@ public class UploadPack {
* other network connections this should be null.
* @throws java.io.IOException
*/
public void upload(final InputStream input, OutputStream output,
final OutputStream messages) throws IOException {
public void upload(InputStream input, OutputStream output,
@Nullable OutputStream messages) throws IOException {
try {
rawIn = input;
if (messages != null)
@ -782,6 +782,36 @@ public class UploadPack {
} else {
service();
}
} catch (UploadPackInternalServerErrorException err) {
// UploadPackInternalServerErrorException is a special exception
// that indicates an error is already written to the client. Do
// nothing.
throw err;
} catch (ServiceMayNotContinueException err) {
if (!err.isOutput() && err.getMessage() != null && pckOut != null) {
try {
pckOut.writeString("ERR " + err.getMessage() + "\n"); //$NON-NLS-1$ //$NON-NLS-2$
} catch (IOException e) {
err.addSuppressed(e);
throw err;
}
err.setOutput();
}
throw err;
} catch (IOException | RuntimeException | Error err) {
if (pckOut != null) {
String msg = err instanceof PackProtocolException
? err.getMessage()
: JGitText.get().internalServerError;
try {
pckOut.writeString("ERR " + msg + "\n"); //$NON-NLS-1$ //$NON-NLS-2$
} catch (IOException e) {
err.addSuppressed(e);
throw err;
}
throw new UploadPackInternalServerErrorException(err);
}
throw err;
} finally {
msgOut = NullOutputStream.INSTANCE;
walk.close();
@ -1013,27 +1043,6 @@ public class UploadPack {
"\\x" + Integer.toHexString(eof))); //$NON-NLS-1$
}
}
} catch (ServiceMayNotContinueException err) {
if (!err.isOutput() && err.getMessage() != null) {
try {
pckOut.writeString("ERR " + err.getMessage() + "\n"); //$NON-NLS-1$ //$NON-NLS-2$
} catch (IOException e) {
err.addSuppressed(e);
throw err;
}
err.setOutput();
}
throw err;
} catch (IOException | RuntimeException | Error err) {
String msg = err instanceof PackProtocolException ? err.getMessage()
: JGitText.get().internalServerError;
try {
pckOut.writeString("ERR " + msg + "\n"); //$NON-NLS-1$ //$NON-NLS-2$
} catch (IOException e) {
err.addSuppressed(e);
throw err;
}
throw new UploadPackInternalServerErrorException(err);
} finally {
if (!sendPack && !biDirectionalPipe) {
while (0 < rawIn.skip(2048) || 0 <= rawIn.read()) {

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