]> source.dussan.org Git - jgit.git/commitdiff
RequestValidatorTestCase: Tests for the request validators 22/141922/4
authorIvan Frade <ifrade@google.com>
Thu, 9 May 2019 23:19:06 +0000 (16:19 -0700)
committerIvan Frade <ifrade@google.com>
Wed, 18 Sep 2019 20:54:50 +0000 (13:54 -0700)
Make a general test with all the cases, like request
advertised/unadvertised tips, reachable/unreachable from those tips,
commits/blobs.

Implement specific validator tests as subclasses. Each test provides the
validator instance and tells what cases are valid.

Change-Id: I7f961fcc05f7fabbeae1ba8ff73d99072ce8fc72
Signed-off-by: Ivan Frade <ifrade@google.com>
org.eclipse.jgit.test/BUILD
org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReachableCommitRequestValidatorTest.java [new file with mode: 0644]
org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReachableCommitTipRequestValidatorTest.java [new file with mode: 0644]
org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RequestValidatorTestCase.java [new file with mode: 0644]
org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TipRequestValidatorTest.java [new file with mode: 0644]

index 3f664f93f3bebfed39b2e81c223d2e951e258923..3d487960c452951d094fc8e43ab568891f135b56 100644 (file)
@@ -24,6 +24,7 @@ HELPERS = glob(
     "revwalk/RevQueueTestCase.java",
     "revwalk/RevWalkTestCase.java",
     "transport/ObjectIdMatcher.java",
+    "transport/RequestValidatorTestCase.java",
     "transport/SpiTransport.java",
     "treewalk/filter/AlwaysCloneTreeFilter.java",
     "test/resources/SampleDataRepositoryTestCase.java",
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReachableCommitRequestValidatorTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReachableCommitRequestValidatorTest.java
new file mode 100644 (file)
index 0000000..20b490b
--- /dev/null
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2019, Google LLC.
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.eclipse.jgit.transport;
+
+import org.eclipse.jgit.transport.UploadPack.RequestValidator;
+
+/**
+ * Client may ask for any commit reachable from a reference advertised by
+ * the server.
+ */
+public class ReachableCommitRequestValidatorTest extends RequestValidatorTestCase {
+
+       @Override
+       protected RequestValidator createValidator() {
+               return new UploadPack.ReachableCommitRequestValidator();
+       }
+
+       @Override
+       protected boolean isReachableCommitValid() {
+               return true;
+       }
+
+       @Override
+       protected boolean isUnreachableCommitValid() {
+               return false;
+       }
+
+       @Override
+       protected boolean isReachableBlobValid_withBitmaps() {
+               return true;
+       }
+
+       @Override
+       protected boolean isReachableBlobValid_withoutBitmaps() {
+               return false;
+       }
+
+       @Override
+       protected boolean isUnreachableBlobValid() {
+               return false;
+       }
+
+       @Override
+       protected boolean isAdvertisedTipValid() {
+               return true;
+       }
+
+       @Override
+       protected boolean isUnadvertisedTipCommitValid() {
+               return false;
+       }
+}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReachableCommitTipRequestValidatorTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReachableCommitTipRequestValidatorTest.java
new file mode 100644 (file)
index 0000000..5e5391d
--- /dev/null
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2019, Google LLC.
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.eclipse.jgit.transport;
+
+import org.eclipse.jgit.transport.UploadPack.RequestValidator;
+
+/**
+ * Client may ask for any commit reachable from any reference, even if that
+ * reference wasn't advertised.
+ */
+public class ReachableCommitTipRequestValidatorTest
+               extends RequestValidatorTestCase {
+
+       @Override
+       protected RequestValidator createValidator() {
+               return new UploadPack.ReachableCommitTipRequestValidator();
+       }
+
+       @Override
+       protected boolean isReachableCommitValid() {
+               return true;
+       }
+
+       @Override
+       protected boolean isUnreachableCommitValid() {
+               return false;
+       }
+
+       @Override
+       protected boolean isAdvertisedTipValid() {
+               return true;
+       }
+
+       @Override
+       protected boolean isReachableBlobValid_withBitmaps() {
+               return true;
+       }
+
+       @Override
+       protected boolean isReachableBlobValid_withoutBitmaps() {
+               return false;
+       }
+
+       @Override
+       protected boolean isUnreachableBlobValid() {
+               return false;
+       }
+
+       @Override
+       protected boolean isUnadvertisedTipCommitValid() {
+               return true;
+       }
+
+}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RequestValidatorTestCase.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RequestValidatorTestCase.java
new file mode 100644 (file)
index 0000000..c1e7bcf
--- /dev/null
@@ -0,0 +1,319 @@
+/*
+ * Copyright (C) 2019, Google LLC.
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.eclipse.jgit.transport;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+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;
+import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
+import org.eclipse.jgit.junit.TestRepository;
+import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevBlob;
+import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.transport.UploadPack.RequestValidator;
+import org.hamcrest.Matchers;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+public abstract class RequestValidatorTestCase {
+
+       @Rule
+       public ExpectedException thrown = ExpectedException.none();
+
+       private RevCommit reachableCommit;
+
+       private RevCommit tipAdvertisedCommit;
+
+       private RevCommit tipUnadvertisedCommit;
+
+       private RevCommit unreachableCommit;
+
+       private RevBlob reachableBlob;
+
+       private RevBlob unreachableBlob;
+
+       private InMemoryRepository repo;
+
+       protected abstract RequestValidator createValidator();
+
+       @Before
+       public void setUp() throws Exception {
+               repo = new InMemoryRepository(new DfsRepositoryDescription());
+               try (TestRepository<InMemoryRepository> git = new TestRepository<>(
+                               repo)) {
+                       reachableBlob = git.blob("foo");
+                       reachableCommit = git
+                                       .commit(git.tree(git.file("foo", reachableBlob)));
+                       tipAdvertisedCommit = git.commit(reachableCommit);
+                       git.update("advertised", tipAdvertisedCommit);
+
+                       tipUnadvertisedCommit = git.commit(reachableCommit);
+                       git.update("unadvertised", tipUnadvertisedCommit);
+
+                       unreachableBlob = git.blob("unreachableFoo");
+                       unreachableCommit = git
+                                       .commit(git.tree(git.file("foo", unreachableBlob)));
+               }
+       }
+
+       /**
+        * @return true if a commit reachable from a visible tip (but not directly
+        *         the tip) is valid
+        */
+       protected abstract boolean isReachableCommitValid();
+
+       /** @return true if a commit not reachable from any tip is valid */
+       protected abstract boolean isUnreachableCommitValid();
+
+       /**
+        * @return true if the commit directly pointed by an advertised ref is valid
+        */
+       protected abstract boolean isAdvertisedTipValid();
+
+       /**
+        * @return true if the object directly pointed by a non-advertised ref is
+        *         valid
+        */
+       protected abstract boolean isUnadvertisedTipCommitValid();
+
+       // UploadPack doesn't allow to ask for blobs when there is no
+       // bitmap. Test both cases separately.
+       /**
+        * @return true if a reachable blob is valid (and the repo has bitmaps)
+        */
+       protected abstract boolean isReachableBlobValid_withBitmaps();
+
+       /**
+        * @return true if a reachable blob is valid (and the repo does NOT have
+        *         bitmaps)
+        */
+       protected abstract boolean isReachableBlobValid_withoutBitmaps();
+
+       /**
+        * @return true if a blob unreachable from any tip is valid
+        */
+       protected abstract boolean isUnreachableBlobValid();
+
+       @Test
+       public void validateReachableCommitWithBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isReachableCommitValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers
+                                       .containsString(
+                                                       "want " + reachableCommit.name() + " not valid"));
+
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+                               Arrays.asList(reachableCommit));
+       }
+
+       @Test
+       public void validateReachableCommitWithoutBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isReachableCommitValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + reachableCommit.name() + " not valid"));
+
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+                               Arrays.asList(reachableCommit));
+       }
+
+       @Test
+       public void validateAdvertisedTipWithBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isAdvertisedTipValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + tipAdvertisedCommit.name() + " not valid"));
+
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+                               Arrays.asList(tipAdvertisedCommit));
+       }
+
+       @Test
+       public void validateAdvertisedTipWithoutBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isAdvertisedTipValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + tipAdvertisedCommit.name() + " not valid"));
+
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+                               Arrays.asList(tipAdvertisedCommit));
+       }
+
+       @Test
+       public void validateUnadvertisedTipWithBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isUnadvertisedTipCommitValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + tipUnadvertisedCommit.name() + " not valid"));
+
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+                               Arrays.asList(tipUnadvertisedCommit));
+       }
+
+       @Test
+       public void validateUnadvertisedTipWithoutBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isUnadvertisedTipCommitValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + tipUnadvertisedCommit.name() + " not valid"));
+
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+                               Arrays.asList(tipUnadvertisedCommit));
+       }
+
+       @Test
+       public void validateUnreachableCommitWithBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isUnreachableCommitValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + unreachableCommit.name() + " not valid"));
+
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+                               Arrays.asList(unreachableCommit));
+       }
+
+       @Test
+       public void validateUnreachableCommitWithoutBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isUnreachableCommitValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + unreachableCommit.name() + " not valid"));
+
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+                               Arrays.asList(unreachableCommit));
+       }
+
+       @Test
+       public void validateReachableBlobWithBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isReachableBlobValid_withBitmaps()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + reachableBlob.name() + " not valid"));
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+                               Arrays.asList(reachableBlob));
+       }
+
+       @Test
+       public void validateReachableBlobWithoutBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isReachableBlobValid_withoutBitmaps()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + reachableBlob.name() + " not valid"));
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+                               Arrays.asList(reachableBlob));
+       }
+
+       @Test
+       public void validateUnreachableBlobWithBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isUnreachableBlobValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + unreachableBlob.name() + " not valid"));
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+                               Arrays.asList(unreachableBlob));
+       }
+
+       @Test
+       public void validateUnreachableBlobWithoutBitmaps()
+                       throws PackProtocolException, IOException {
+               if (!isUnreachableBlobValid()) {
+                       thrown.expect(TransportException.class);
+                       thrown.expectMessage(Matchers.containsString(
+                                       "want " + unreachableBlob.name() + " not valid"));
+               }
+               createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+                               Arrays.asList(unreachableBlob));
+       }
+
+       private UploadPack getUploadPack(Repository repository) throws IOException {
+               UploadPack uploadPack = new UploadPack(repository);
+
+               Ref advertisedRef = repo.getRefDatabase().findRef("advertised");
+               Map<String, Ref> advertisedRefs = new HashMap<>();
+               advertisedRefs.put(advertisedRef.getName(), advertisedRef);
+
+               uploadPack.setAdvertisedRefs(advertisedRefs);
+               return uploadPack;
+       }
+
+       private Repository getRepoWithBitmaps() throws IOException {
+               new DfsGarbageCollector(repo).pack(null);
+               repo.scanForRepoChanges();
+               return repo;
+       }
+
+       private Repository getRepoWithoutBitmaps() {
+               return repo;
+       }
+}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TipRequestValidatorTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TipRequestValidatorTest.java
new file mode 100644 (file)
index 0000000..565d0e6
--- /dev/null
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2019, Google LLC.
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.eclipse.jgit.transport;
+
+import org.eclipse.jgit.transport.UploadPack.RequestValidator;
+
+/**
+ * Client may ask for objects that are the tip of any reference, even if not
+ * advertised.
+ */
+public class TipRequestValidatorTest extends RequestValidatorTestCase {
+
+       @Override
+       protected RequestValidator createValidator() {
+               return new UploadPack.TipRequestValidator();
+       }
+
+       @Override
+       protected boolean isReachableCommitValid() {
+               return false;
+       }
+
+       @Override
+       protected boolean isUnreachableCommitValid() {
+               return false;
+       }
+
+       @Override
+       protected boolean isReachableBlobValid_withBitmaps() {
+               return false;
+       }
+
+       @Override
+       protected boolean isReachableBlobValid_withoutBitmaps() {
+               return false;
+       }
+
+       @Override
+       protected boolean isUnreachableBlobValid() {
+               return false;
+       }
+
+       @Override
+       protected boolean isAdvertisedTipValid() {
+               return true;
+       }
+
+       @Override
+       protected boolean isUnadvertisedTipCommitValid() {
+               return true;
+       }
+
+}