Add acceptance test for project watches

This currently only contains a single test, for a particular bug
experienced by the Go team. More tests should definitely be added
later.

Change-Id: I820b597ae5efff6cd9d9ad5b2eef9fc5f274e9a2

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/server/project/ProjectWatchIT.java

@@ -0,0 +1,78 @@
+// Copyright (C) 2015 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.project;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.gerrit.acceptance.AbstractDaemonTest;
+import com.google.gerrit.acceptance.NoHttpd;
+import com.google.gerrit.acceptance.PushOneCommit;
+import com.google.gerrit.reviewdb.client.AccountProjectWatch.NotifyType;
+import com.google.gerrit.server.git.NotifyConfig;
+import com.google.gerrit.server.git.ProjectConfig;
+import com.google.gerrit.server.mail.Address;
+import com.google.gerrit.testutil.FakeEmailSender;
+import com.google.gerrit.testutil.FakeEmailSender.Message;
+import com.google.inject.Inject;
+
+import org.junit.Test;
+
+import java.util.EnumSet;
+import java.util.List;
+
+@NoHttpd
+public class ProjectWatchIT extends AbstractDaemonTest {
+  @Inject
+  private FakeEmailSender sender;
+
+  @Test
+  public void newPatchSetsNotifyConfig() throws Exception {
+    Address addr = new Address("Watcher", "watcher@example.com");
+    NotifyConfig nc = new NotifyConfig();
+    nc.addEmail(addr);
+    nc.setName("new-patch-set");
+    nc.setHeader(NotifyConfig.Header.CC);
+    nc.setTypes(EnumSet.of(NotifyType.NEW_PATCHSETS));
+    nc.setFilter("message:sekret");
+
+    ProjectConfig cfg = projectCache.checkedGet(project).getConfig();
+    cfg.putNotifyConfig("watch", nc);
+    saveProjectConfig(project, cfg);
+
+    PushOneCommit.Result r = pushFactory.create(db, admin.getIdent(), testRepo,
+          "original subject", "a", "a1")
+        .to("refs/for/master");
+    r.assertOkStatus();
+
+    r = pushFactory.create(db, admin.getIdent(), testRepo,
+          "super sekret subject", "a", "a2", r.getChangeId())
+        .to("refs/for/master");
+    r.assertOkStatus();
+
+    r = pushFactory.create(db, admin.getIdent(), testRepo,
+          "back to original subject", "a", "a3")
+        .to("refs/for/master");
+    r.assertOkStatus();
+
+    List<Message> messages = sender.getMessages();
+    assertThat(messages).hasSize(1);
+    Message m = messages.get(0);
+    assertThat(m.rcpt()).containsExactly(addr);
+    assertThat(m.body()).contains("Change subject: super sekret subject\n");
+    assertThat(m.body()).contains("Gerrit-PatchSet: 2\n");
+  }
+
+  // TODO(anybody reading this): More tests.
+}

gerrit-server/src/main/java/com/google/gerrit/server/git/ProjectConfig.java

@@ -305,6 +305,10 @@ public class ProjectConfig extends VersionedMetaData implements ValidationError.
     return notifySections.values();
   }
 
+  public void putNotifyConfig(String name, NotifyConfig nc) {
+    notifySections.put(name, nc);
+  }
+
   public Map<String, LabelType> getLabelSections() {
     return labelSections;
   }