Merge changes Idcb8982f,I878421e7

* changes:
  MergeUtil: Pass Charset directly to MergeFormatter.formatMerge
  GroupApi: Add method variants with List<String>
diff --git a/java/com/google/gerrit/server/quota/DefaultQuotaBackend.java b/java/com/google/gerrit/server/quota/DefaultQuotaBackend.java
index 8aa86b1..c6e67ca 100644
--- a/java/com/google/gerrit/server/quota/DefaultQuotaBackend.java
+++ b/java/com/google/gerrit/server/quota/DefaultQuotaBackend.java
@@ -74,8 +74,12 @@
           responses.add(enforcer.call(p -> p.dryRun(quotaGroup, requestContext, numTokens)));
         }
       } catch (RuntimeException e) {
-        logger.atSevere().withCause(e).log("exception while enforcing quota");
-        responses.add(QuotaResponse.error(e.getMessage()));
+        // Roll back the quota request for all enforcers that deducted the quota. Rethrow the
+        // exception to adhere to the API contract.
+        if (deduct) {
+          refillAfterErrorOrException(enforcers, responses, quotaGroup, requestContext, numTokens);
+        }
+        throw e;
       }
     }
 
@@ -83,11 +87,7 @@
       // Roll back the quota request for all enforcers that deducted the quota (= the request
       // succeeded). Don't touch failed enforcers as the interface contract said that failed
       // requests should not be deducted.
-      for (int i = 0; i < responses.size(); i++) {
-        if (responses.get(i).status().isOk()) {
-          enforcers.get(i).run(p -> p.refill(quotaGroup, requestContext, numTokens));
-        }
-      }
+      refillAfterErrorOrException(enforcers, responses, quotaGroup, requestContext, numTokens);
     }
 
     logger.atFine().log(
@@ -97,7 +97,20 @@
         deduct ? "(deduction=yes)" : "(deduction=no)",
         numTokens,
         responses);
-    return new AutoValue_QuotaResponse_Aggregated(ImmutableList.copyOf(responses));
+    return QuotaResponse.Aggregated.create(ImmutableList.copyOf(responses));
+  }
+
+  private static void refillAfterErrorOrException(
+      List<PluginSetEntryContext<QuotaEnforcer>> enforcers,
+      List<QuotaResponse> collectedResponses,
+      String quotaGroup,
+      QuotaRequestContext requestContext,
+      long numTokens) {
+    for (int i = 0; i < collectedResponses.size(); i++) {
+      if (collectedResponses.get(i).status().isOk()) {
+        enforcers.get(i).run(p -> p.refill(quotaGroup, requestContext, numTokens));
+      }
+    }
   }
 
   static class WithUser extends WithResource implements QuotaBackend.WithUser {
diff --git a/java/com/google/gerrit/server/quota/QuotaResponse.java b/java/com/google/gerrit/server/quota/QuotaResponse.java
index c239aaf..9a8a515 100644
--- a/java/com/google/gerrit/server/quota/QuotaResponse.java
+++ b/java/com/google/gerrit/server/quota/QuotaResponse.java
@@ -20,6 +20,7 @@
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Streams;
+import java.util.Collection;
 import java.util.Optional;
 import java.util.stream.Collectors;
 
@@ -77,6 +78,10 @@
 
   @AutoValue
   public abstract static class Aggregated {
+    public static Aggregated create(Collection<QuotaResponse> responses) {
+      return new AutoValue_QuotaResponse_Aggregated(ImmutableList.copyOf(responses));
+    }
+
     protected abstract ImmutableList<QuotaResponse> responses();
 
     public boolean hasError() {
diff --git a/javatests/com/google/gerrit/acceptance/server/change/ConsistencyCheckerIT.java b/javatests/com/google/gerrit/acceptance/server/change/ConsistencyCheckerIT.java
index 9b6083f..460cd30 100644
--- a/javatests/com/google/gerrit/acceptance/server/change/ConsistencyCheckerIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/change/ConsistencyCheckerIT.java
@@ -41,7 +41,6 @@
 import com.google.gerrit.server.change.ChangeInserter;
 import com.google.gerrit.server.change.ConsistencyChecker;
 import com.google.gerrit.server.change.PatchSetInserter;
-import com.google.gerrit.server.config.AnonymousCowardName;
 import com.google.gerrit.server.notedb.ChangeNoteUtil;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.NoteDbChangeState.PrimaryStorage;
@@ -84,8 +83,6 @@
 
   @Inject private ChangeNoteUtil noteUtil;
 
-  @Inject @AnonymousCowardName private String anonymousCowardName;
-
   @Inject private Sequences sequences;
 
   private RevCommit tip;
diff --git a/javatests/com/google/gerrit/acceptance/server/quota/BUILD b/javatests/com/google/gerrit/acceptance/server/quota/BUILD
new file mode 100644
index 0000000..1988b22
--- /dev/null
+++ b/javatests/com/google/gerrit/acceptance/server/quota/BUILD
@@ -0,0 +1,7 @@
+load("//javatests/com/google/gerrit/acceptance:tests.bzl", "acceptance_tests")
+
+acceptance_tests(
+    srcs = glob(["*IT.java"]),
+    group = "server_quota",
+    labels = ["server"],
+)
diff --git a/javatests/com/google/gerrit/acceptance/server/quota/DefaultQuotaBackendIT.java b/javatests/com/google/gerrit/acceptance/server/quota/DefaultQuotaBackendIT.java
new file mode 100644
index 0000000..dea83ca
--- /dev/null
+++ b/javatests/com/google/gerrit/acceptance/server/quota/DefaultQuotaBackendIT.java
@@ -0,0 +1,154 @@
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.acceptance.server.quota;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.resetToStrict;
+
+import com.google.gerrit.acceptance.AbstractDaemonTest;
+import com.google.gerrit.extensions.annotations.Exports;
+import com.google.gerrit.extensions.config.FactoryModule;
+import com.google.gerrit.reviewdb.client.Change;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.gerrit.server.quota.QuotaBackend;
+import com.google.gerrit.server.quota.QuotaEnforcer;
+import com.google.gerrit.server.quota.QuotaException;
+import com.google.gerrit.server.quota.QuotaRequestContext;
+import com.google.gerrit.server.quota.QuotaResponse;
+import com.google.inject.Inject;
+import com.google.inject.Module;
+import java.util.Collections;
+import org.easymock.EasyMock;
+import org.junit.Before;
+import org.junit.Test;
+
+public class DefaultQuotaBackendIT extends AbstractDaemonTest {
+
+  private static final QuotaEnforcer quotaEnforcer = EasyMock.createStrictMock(QuotaEnforcer.class);
+
+  private IdentifiedUser identifiedAdmin;
+  @Inject private QuotaBackend quotaBackend;
+
+  @Override
+  public Module createModule() {
+    return new FactoryModule() {
+      @Override
+      public void configure() {
+        bind(QuotaEnforcer.class)
+            .annotatedWith(Exports.named("TestQuotaEnforcer"))
+            .toProvider(() -> quotaEnforcer);
+      }
+    };
+  }
+
+  @Before
+  public void setUp() {
+    identifiedAdmin = identifiedUserFactory.create(admin.id);
+    resetToStrict(quotaEnforcer);
+  }
+
+  @Test
+  public void requestTokenForUser() {
+    QuotaRequestContext ctx = QuotaRequestContext.builder().user(identifiedAdmin).build();
+    expect(quotaEnforcer.requestTokens("testGroup", ctx, 1)).andReturn(QuotaResponse.ok());
+    replay(quotaEnforcer);
+    assertThat(quotaBackend.user(identifiedAdmin).requestToken("testGroup"))
+        .isEqualTo(singletonAggregation(QuotaResponse.ok()));
+  }
+
+  @Test
+  public void requestTokenForUserAndAccount() {
+    QuotaRequestContext ctx =
+        QuotaRequestContext.builder().user(identifiedAdmin).account(user.id).build();
+    expect(quotaEnforcer.requestTokens("testGroup", ctx, 1)).andReturn(QuotaResponse.ok());
+    replay(quotaEnforcer);
+    assertThat(quotaBackend.user(identifiedAdmin).account(user.id).requestToken("testGroup"))
+        .isEqualTo(singletonAggregation(QuotaResponse.ok()));
+  }
+
+  @Test
+  public void requestTokenForUserAndProject() {
+    QuotaRequestContext ctx =
+        QuotaRequestContext.builder().user(identifiedAdmin).project(project).build();
+    expect(quotaEnforcer.requestTokens("testGroup", ctx, 1)).andReturn(QuotaResponse.ok());
+    replay(quotaEnforcer);
+    assertThat(quotaBackend.user(identifiedAdmin).project(project).requestToken("testGroup"))
+        .isEqualTo(singletonAggregation(QuotaResponse.ok()));
+  }
+
+  @Test
+  public void requestTokenForUserAndChange() throws Exception {
+    Change.Id changeId = createChange().getChange().getId();
+    QuotaRequestContext ctx =
+        QuotaRequestContext.builder()
+            .user(identifiedAdmin)
+            .change(changeId)
+            .project(project)
+            .build();
+    expect(quotaEnforcer.requestTokens("testGroup", ctx, 1)).andReturn(QuotaResponse.ok());
+    replay(quotaEnforcer);
+    assertThat(
+            quotaBackend.user(identifiedAdmin).change(changeId, project).requestToken("testGroup"))
+        .isEqualTo(singletonAggregation(QuotaResponse.ok()));
+  }
+
+  @Test
+  public void requestTokens() {
+    QuotaRequestContext ctx = QuotaRequestContext.builder().user(identifiedAdmin).build();
+    expect(quotaEnforcer.requestTokens("testGroup", ctx, 123)).andReturn(QuotaResponse.ok());
+    replay(quotaEnforcer);
+    assertThat(quotaBackend.user(identifiedAdmin).requestTokens("testGroup", 123))
+        .isEqualTo(singletonAggregation(QuotaResponse.ok()));
+  }
+
+  @Test
+  public void dryRun() {
+    QuotaRequestContext ctx = QuotaRequestContext.builder().user(identifiedAdmin).build();
+    expect(quotaEnforcer.dryRun("testGroup", ctx, 123)).andReturn(QuotaResponse.ok());
+    replay(quotaEnforcer);
+    assertThat(quotaBackend.user(identifiedAdmin).dryRun("testGroup", 123))
+        .isEqualTo(singletonAggregation(QuotaResponse.ok()));
+  }
+
+  @Test
+  public void requestTokenError() throws Exception {
+    QuotaRequestContext ctx = QuotaRequestContext.builder().user(identifiedAdmin).build();
+    expect(quotaEnforcer.requestTokens("testGroup", ctx, 1))
+        .andReturn(QuotaResponse.error("failed"));
+    replay(quotaEnforcer);
+
+    QuotaResponse.Aggregated result = quotaBackend.user(identifiedAdmin).requestToken("testGroup");
+    assertThat(result).isEqualTo(singletonAggregation(QuotaResponse.error("failed")));
+    exception.expect(QuotaException.class);
+    exception.expectMessage("failed");
+    result.throwOnError();
+  }
+
+  @Test
+  public void requestTokenPluginThrowsAndRethrows() {
+    QuotaRequestContext ctx = QuotaRequestContext.builder().user(identifiedAdmin).build();
+    expect(quotaEnforcer.requestTokens("testGroup", ctx, 1)).andThrow(new NullPointerException());
+    replay(quotaEnforcer);
+
+    exception.expect(NullPointerException.class);
+    quotaBackend.user(identifiedAdmin).requestToken("testGroup");
+  }
+
+  private static QuotaResponse.Aggregated singletonAggregation(QuotaResponse response) {
+    return QuotaResponse.Aggregated.create(Collections.singleton(response));
+  }
+}
diff --git a/javatests/com/google/gerrit/acceptance/server/quota/MultipleQuotaPluginsIT.java b/javatests/com/google/gerrit/acceptance/server/quota/MultipleQuotaPluginsIT.java
new file mode 100644
index 0000000..31a8808
--- /dev/null
+++ b/javatests/com/google/gerrit/acceptance/server/quota/MultipleQuotaPluginsIT.java
@@ -0,0 +1,126 @@
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.acceptance.server.quota;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.expectLastCall;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.resetToStrict;
+import static org.easymock.EasyMock.verify;
+
+import com.google.common.collect.ImmutableList;
+import com.google.gerrit.acceptance.AbstractDaemonTest;
+import com.google.gerrit.extensions.annotations.Exports;
+import com.google.gerrit.extensions.config.FactoryModule;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.gerrit.server.quota.QuotaBackend;
+import com.google.gerrit.server.quota.QuotaEnforcer;
+import com.google.gerrit.server.quota.QuotaRequestContext;
+import com.google.gerrit.server.quota.QuotaResponse;
+import com.google.inject.Inject;
+import com.google.inject.Module;
+import org.easymock.EasyMock;
+import org.junit.Before;
+import org.junit.Test;
+
+public class MultipleQuotaPluginsIT extends AbstractDaemonTest {
+  private static final QuotaEnforcer quotaEnforcerA =
+      EasyMock.createStrictMock(QuotaEnforcer.class);
+  private static final QuotaEnforcer quotaEnforcerB =
+      EasyMock.createStrictMock(QuotaEnforcer.class);
+
+  private IdentifiedUser identifiedAdmin;
+  @Inject private QuotaBackend quotaBackend;
+
+  @Override
+  public Module createModule() {
+    return new FactoryModule() {
+      @Override
+      public void configure() {
+        bind(QuotaEnforcer.class)
+            .annotatedWith(Exports.named("TestQuotaEnforcerA"))
+            .toProvider(() -> quotaEnforcerA);
+
+        bind(QuotaEnforcer.class)
+            .annotatedWith(Exports.named("TestQuotaEnforcerB"))
+            .toProvider(() -> quotaEnforcerB);
+      }
+    };
+  }
+
+  @Before
+  public void setUp() {
+    identifiedAdmin = identifiedUserFactory.create(admin.id);
+    resetToStrict(quotaEnforcerA);
+    resetToStrict(quotaEnforcerB);
+  }
+
+  @Test
+  public void refillsOnError() {
+    QuotaRequestContext ctx = QuotaRequestContext.builder().user(identifiedAdmin).build();
+    expect(quotaEnforcerA.requestTokens("testGroup", ctx, 1)).andReturn(QuotaResponse.ok());
+    expect(quotaEnforcerB.requestTokens("testGroup", ctx, 1))
+        .andReturn(QuotaResponse.error("fail"));
+    quotaEnforcerA.refill("testGroup", ctx, 1);
+    expectLastCall();
+
+    replay(quotaEnforcerA);
+    replay(quotaEnforcerB);
+
+    assertThat(quotaBackend.user(identifiedAdmin).requestToken("testGroup"))
+        .isEqualTo(
+            QuotaResponse.Aggregated.create(
+                ImmutableList.of(QuotaResponse.ok(), QuotaResponse.error("fail"))));
+  }
+
+  @Test
+  public void refillsOnException() {
+    NullPointerException exception = new NullPointerException();
+    QuotaRequestContext ctx = QuotaRequestContext.builder().user(identifiedAdmin).build();
+    expect(quotaEnforcerA.requestTokens("testGroup", ctx, 1)).andThrow(exception);
+    expect(quotaEnforcerB.requestTokens("testGroup", ctx, 1)).andReturn(QuotaResponse.ok());
+    quotaEnforcerB.refill("testGroup", ctx, 1);
+    expectLastCall();
+
+    replay(quotaEnforcerA);
+    replay(quotaEnforcerB);
+
+    try {
+      quotaBackend.user(identifiedAdmin).requestToken("testGroup");
+      fail("expected a NullPointerException");
+    } catch (NullPointerException e) {
+      assertThat(exception).isEqualTo(e);
+    }
+
+    verify(quotaEnforcerA);
+  }
+
+  @Test
+  public void doesNotRefillNoOp() {
+    QuotaRequestContext ctx = QuotaRequestContext.builder().user(identifiedAdmin).build();
+    expect(quotaEnforcerA.requestTokens("testGroup", ctx, 1))
+        .andReturn(QuotaResponse.error("fail"));
+    expect(quotaEnforcerB.requestTokens("testGroup", ctx, 1)).andReturn(QuotaResponse.noOp());
+
+    replay(quotaEnforcerA);
+    replay(quotaEnforcerB);
+
+    assertThat(quotaBackend.user(identifiedAdmin).requestToken("testGroup"))
+        .isEqualTo(
+            QuotaResponse.Aggregated.create(
+                ImmutableList.of(QuotaResponse.error("fail"), QuotaResponse.noOp())));
+  }
+}
diff --git a/javatests/com/google/gerrit/acceptance/server/quota/RestApiQuotaIT.java b/javatests/com/google/gerrit/acceptance/server/quota/RestApiQuotaIT.java
new file mode 100644
index 0000000..a555ba4
--- /dev/null
+++ b/javatests/com/google/gerrit/acceptance/server/quota/RestApiQuotaIT.java
@@ -0,0 +1,136 @@
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.acceptance.server.quota;
+
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.reset;
+import static org.easymock.EasyMock.verify;
+
+import com.google.gerrit.acceptance.AbstractDaemonTest;
+import com.google.gerrit.extensions.common.ChangeInput;
+import com.google.gerrit.extensions.config.FactoryModule;
+import com.google.gerrit.reviewdb.client.Change;
+import com.google.gerrit.server.CurrentUser;
+import com.google.gerrit.server.quota.QuotaBackend;
+import com.google.gerrit.server.quota.QuotaResponse;
+import com.google.inject.Module;
+import java.util.Collections;
+import org.easymock.EasyMock;
+import org.junit.Before;
+import org.junit.Test;
+
+public class RestApiQuotaIT extends AbstractDaemonTest {
+  private static final QuotaBackend.WithResource quotaBackendWithResource =
+      EasyMock.createStrictMock(QuotaBackend.WithResource.class);
+  private static final QuotaBackend.WithUser quotaBackendWithUser =
+      EasyMock.createStrictMock(QuotaBackend.WithUser.class);
+
+  @Override
+  public Module createModule() {
+    return new FactoryModule() {
+      @Override
+      public void configure() {
+        bind(QuotaBackend.class)
+            .toInstance(
+                new QuotaBackend() {
+                  @Override
+                  public WithUser currentUser() {
+                    return quotaBackendWithUser;
+                  }
+
+                  @Override
+                  public WithUser user(CurrentUser user) {
+                    return quotaBackendWithUser;
+                  }
+                });
+      }
+    };
+  }
+
+  @Before
+  public void setUp() {
+    reset(quotaBackendWithResource);
+    reset(quotaBackendWithUser);
+  }
+
+  @Test
+  public void changeDetail() throws Exception {
+    Change.Id changeId = createChange().getChange().getId();
+    expect(quotaBackendWithResource.requestToken("/restapi/changes/detail:GET"))
+        .andReturn(singletonAggregation(QuotaResponse.ok()));
+    replay(quotaBackendWithResource);
+    expect(quotaBackendWithUser.change(changeId, project)).andReturn(quotaBackendWithResource);
+    replay(quotaBackendWithUser);
+    adminRestSession.get("/changes/" + changeId + "/detail").assertOK();
+    verify(quotaBackendWithUser);
+    verify(quotaBackendWithResource);
+  }
+
+  @Test
+  public void revisionDetail() throws Exception {
+    Change.Id changeId = createChange().getChange().getId();
+    expect(quotaBackendWithResource.requestToken("/restapi/changes/revisions/actions:GET"))
+        .andReturn(singletonAggregation(QuotaResponse.ok()));
+    replay(quotaBackendWithResource);
+    expect(quotaBackendWithUser.change(changeId, project)).andReturn(quotaBackendWithResource);
+    replay(quotaBackendWithUser);
+    adminRestSession.get("/changes/" + changeId + "/revisions/current/actions").assertOK();
+    verify(quotaBackendWithUser);
+    verify(quotaBackendWithResource);
+  }
+
+  @Test
+  public void createChangePost() throws Exception {
+    expect(quotaBackendWithUser.requestToken("/restapi/changes:POST"))
+        .andReturn(singletonAggregation(QuotaResponse.ok()));
+    replay(quotaBackendWithUser);
+    ChangeInput changeInput = new ChangeInput(project.get(), "master", "test");
+    adminRestSession.post("/changes/", changeInput).assertCreated();
+    verify(quotaBackendWithUser);
+  }
+
+  @Test
+  public void accountDetail() throws Exception {
+    expect(quotaBackendWithResource.requestToken("/restapi/accounts/detail:GET"))
+        .andReturn(singletonAggregation(QuotaResponse.ok()));
+    replay(quotaBackendWithResource);
+    expect(quotaBackendWithUser.account(admin.id)).andReturn(quotaBackendWithResource);
+    replay(quotaBackendWithUser);
+    adminRestSession.get("/accounts/self/detail").assertOK();
+    verify(quotaBackendWithUser);
+    verify(quotaBackendWithResource);
+  }
+
+  @Test
+  public void config() throws Exception {
+    expect(quotaBackendWithUser.requestToken("/restapi/config/version:GET"))
+        .andReturn(singletonAggregation(QuotaResponse.ok()));
+    replay(quotaBackendWithUser);
+    adminRestSession.get("/config/server/version").assertOK();
+  }
+
+  @Test
+  public void outOfQuotaReturnsError() throws Exception {
+    expect(quotaBackendWithUser.requestToken("/restapi/config/version:GET"))
+        .andReturn(singletonAggregation(QuotaResponse.error("no quota")));
+    replay(quotaBackendWithUser);
+    adminRestSession.get("/config/server/version").assertStatus(429);
+  }
+
+  private static QuotaResponse.Aggregated singletonAggregation(QuotaResponse response) {
+    return QuotaResponse.Aggregated.create(Collections.singleton(response));
+  }
+}
diff --git a/javatests/com/google/gerrit/mail/AbstractParserTest.java b/javatests/com/google/gerrit/mail/AbstractParserTest.java
index c375aff..bcff6a7 100644
--- a/javatests/com/google/gerrit/mail/AbstractParserTest.java
+++ b/javatests/com/google/gerrit/mail/AbstractParserTest.java
@@ -41,7 +41,7 @@
       String message, MailComment comment, Comment inReplyTo) {
     assertThat(comment.fileName).isNull();
     assertThat(comment.message).isEqualTo(message);
-    assertThat(comment.inReplyTo).isEqualTo(inReplyTo);
+    assertThat(comment.inReplyTo.key).isEqualTo(inReplyTo.key);
     assertThat(comment.type).isEqualTo(MailComment.CommentType.INLINE_COMMENT);
   }