Merge changes Ia439a16c,I5d4af103

* changes:
  Support > and < in LabelPredicate, with refactorings
  Update index tests
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/query/change/EqualsLabelPredicate.java b/gerrit-server/src/main/java/com/google/gerrit/server/query/change/EqualsLabelPredicate.java
index af9a07a..338e9c6 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/query/change/EqualsLabelPredicate.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/query/change/EqualsLabelPredicate.java
@@ -42,20 +42,17 @@
   private final Account.Id account;
   private final AccountGroup.UUID group;
 
-  EqualsLabelPredicate(ProjectCache projectCache,
-      ChangeControl.GenericFactory ccFactory,
-      IdentifiedUser.GenericFactory userFactory, Provider<ReviewDb> dbProvider,
-      String label, int expVal, Account.Id account,
-      AccountGroup.UUID group) {
+  EqualsLabelPredicate(LabelPredicate.Args args, String label, int expVal,
+      Account.Id account) {
     super(ChangeField.LABEL, ChangeField.formatLabel(label, expVal, account));
-    this.ccFactory = ccFactory;
-    this.projectCache = projectCache;
-    this.userFactory = userFactory;
-    this.dbProvider = dbProvider;
+    this.ccFactory = args.ccFactory;
+    this.projectCache = args.projectCache;
+    this.userFactory = args.userFactory;
+    this.dbProvider = args.dbProvider;
+    this.group = args.group;
     this.label = label;
     this.expVal = expVal;
     this.account = account;
-    this.group = group;
   }
 
   @Override
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/query/change/LabelPredicate.java b/gerrit-server/src/main/java/com/google/gerrit/server/query/change/LabelPredicate.java
index 4674cf4..60f7ffa 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/query/change/LabelPredicate.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/query/change/LabelPredicate.java
@@ -34,30 +34,42 @@
 public class LabelPredicate extends OrPredicate<ChangeData> {
   private static final int MAX_LABEL_VALUE = 4;
 
-  private static enum Test {
-    EQ, GT_EQ, LT_EQ;
+  static class Args {
+    final ProjectCache projectCache;
+    final ChangeControl.GenericFactory ccFactory;
+    final IdentifiedUser.GenericFactory userFactory;
+    final Provider<ReviewDb> dbProvider;
+    final String value;
+    final Set<Account.Id> accounts;
+    final AccountGroup.UUID group;
 
-    boolean isEq() {
-      return EQ.equals(this);
+    private Args(
+        ProjectCache projectCache,
+        ChangeControl.GenericFactory ccFactory,
+        IdentifiedUser.GenericFactory userFactory,
+        Provider<ReviewDb> dbProvider,
+        String value,
+        Set<Account.Id> accounts,
+        AccountGroup.UUID group) {
+      this.projectCache = projectCache;
+      this.ccFactory = ccFactory;
+      this.userFactory = userFactory;
+      this.dbProvider = dbProvider;
+      this.value = value;
+      this.accounts = accounts;
+      this.group = group;
     }
+  }
 
-    boolean isGtEq() {
-      return GT_EQ.equals(this);
-    }
+  private static class Parsed {
+    private final String label;
+    private final String test;
+    private final int expVal;
 
-    static Test op(String op) {
-      if ("=".equals(op)) {
-        return EQ;
-
-      } else if (">=".equals(op)) {
-        return GT_EQ;
-
-      } else if ("<=".equals(op)) {
-        return LT_EQ;
-
-      } else {
-        throw new IllegalArgumentException("Unsupported operation " + op);
-      }
+    private Parsed(String label, String test, int expVal) {
+      this.label = label;
+      this.test = test;
+      this.expVal = expVal;
     }
   }
 
@@ -67,73 +79,79 @@
       ChangeControl.GenericFactory ccFactory,
       IdentifiedUser.GenericFactory userFactory, Provider<ReviewDb> dbProvider,
       String value, Set<Account.Id> accounts, AccountGroup.UUID group) {
-    super(predicates(projectCache, ccFactory, userFactory, dbProvider, value,
-        accounts, group));
+    super(predicates(new Args(projectCache, ccFactory, userFactory, dbProvider,
+        value, accounts, group)));
     this.value = value;
   }
 
-  private static List<Predicate<ChangeData>> predicates(
-      ProjectCache projectCache, ChangeControl.GenericFactory ccFactory,
-      IdentifiedUser.GenericFactory userFactory, Provider<ReviewDb> dbProvider,
-      String value, Set<Account.Id> accounts, AccountGroup.UUID group) {
-    String label = null;
-    Test test = null;
-    int expVal = 0;
+  private static List<Predicate<ChangeData>> predicates(Args args) {
+    String v = args.value;
+    Parsed parsed = null;
 
     try {
-      LabelVote v = LabelVote.parse(value);
-      test = Test.EQ;
-      label = v.getLabel();
-      expVal = v.getValue();
+      LabelVote lv = LabelVote.parse(v);
+      parsed = new Parsed(lv.getLabel(), "=", lv.getValue());
     } catch (IllegalArgumentException e) {
       // Try next format.
     }
 
     try {
-      LabelVote v = LabelVote.parseWithEquals(value);
-      test = Test.EQ;
-      label = v.getLabel();
-      expVal = v.getValue();
+      LabelVote lv = LabelVote.parseWithEquals(v);
+      parsed = new Parsed(lv.getLabel(), "=", lv.getValue());
     } catch (IllegalArgumentException e) {
       // Try next format.
     }
 
-    if (label == null) {
-      Matcher m = Pattern.compile("(>=|<=)([+-]?\\d+)$").matcher(value);
+    if (parsed == null) {
+      Matcher m = Pattern.compile("(>|>=|=|<|<=)([+-]?\\d+)$").matcher(v);
       if (m.find()) {
-        label = value.substring(0, m.start());
-        test = Test.op(m.group(1));
-        expVal = value(m.group(2));
+        parsed = new Parsed(v.substring(0, m.start()), m.group(1),
+            value(m.group(2)));
       } else {
-        label = value;
-        test = Test.EQ;
-        expVal = 1;
+        parsed = new Parsed(v, "=", 1);
       }
     }
 
-    List<Predicate<ChangeData>> r = Lists.newArrayListWithCapacity(2 * MAX_LABEL_VALUE);
-    if (test.isEq()) {
-      if (expVal != 0) {
-        r.add(equalsLabelPredicate(projectCache, ccFactory, userFactory,
-            dbProvider, label, expVal, accounts, group));
-      } else {
-        r.add(noLabelQuery(projectCache, ccFactory, userFactory,
-            dbProvider, label, accounts, group));
-      }
-    } else {
-      for (int i = test.isGtEq() ? expVal : neg(expVal); i <= MAX_LABEL_VALUE; i++) {
-        if (i != 0) {
-          r.add(equalsLabelPredicate(projectCache, ccFactory, userFactory,
-              dbProvider, label, test.isGtEq() ? i : neg(i), accounts, group));
-        } else {
-          r.add(noLabelQuery(projectCache, ccFactory, userFactory,
-              dbProvider, label, accounts, group));
-        }
-      }
+    int min, max;
+    switch (parsed.test) {
+      case "=":
+      default:
+        min = max = parsed.expVal;
+        break;
+      case ">":
+        min = parsed.expVal + 1;
+        max = MAX_LABEL_VALUE;
+        break;
+      case ">=":
+        min = parsed.expVal;
+        max = MAX_LABEL_VALUE;
+        break;
+      case "<":
+        min = -MAX_LABEL_VALUE;
+        max = parsed.expVal - 1;
+        break;
+      case "<=":
+        min = -MAX_LABEL_VALUE;
+        max = parsed.expVal;
+        break;
+    }
+    List<Predicate<ChangeData>> r =
+        Lists.newArrayListWithCapacity(max - min + 1);
+    for (int i = min; i <= max; i++) {
+      r.add(onePredicate(args, parsed.label, i));
     }
     return r;
   }
 
+  private static Predicate<ChangeData> onePredicate(Args args, String label,
+      int expVal) {
+    if (expVal != 0) {
+      return equalsLabelPredicate(args, label, expVal);
+    } else {
+      return noLabelQuery(args, label);
+    }
+  }
+
   private static int value(String value) {
     if (value.startsWith("+")) {
       value = value.substring(1);
@@ -141,38 +159,24 @@
     return Integer.parseInt(value);
   }
 
-  private static int neg(int value) {
-    return -1 * value;
-  }
-
-  private static Predicate<ChangeData> noLabelQuery(ProjectCache projectCache,
-      ChangeControl.GenericFactory ccFactory,
-      IdentifiedUser.GenericFactory userFactory, Provider<ReviewDb> dbProvider,
-      String label, Set<Account.Id> accounts, AccountGroup.UUID group) {
+  private static Predicate<ChangeData> noLabelQuery(Args args, String label) {
     List<Predicate<ChangeData>> r =
         Lists.newArrayListWithCapacity(2 * MAX_LABEL_VALUE);
     for (int i = 1; i <= MAX_LABEL_VALUE; i++) {
-      r.add(not(equalsLabelPredicate(projectCache, ccFactory, userFactory,
-          dbProvider, label, i, accounts, group)));
-      r.add(not(equalsLabelPredicate(projectCache, ccFactory, userFactory,
-          dbProvider, label, neg(i), accounts, group)));
+      r.add(not(equalsLabelPredicate(args, label, i)));
+      r.add(not(equalsLabelPredicate(args, label, -i)));
     }
     return and(r);
   }
 
-  private static Predicate<ChangeData> equalsLabelPredicate(
-      ProjectCache projectCache, ChangeControl.GenericFactory ccFactory,
-      IdentifiedUser.GenericFactory userFactory, Provider<ReviewDb> dbProvider,
-      String label, int expVal, Set<Account.Id> accounts,
-      AccountGroup.UUID group) {
-    if (accounts == null || accounts.isEmpty()) {
-      return new EqualsLabelPredicate(projectCache, ccFactory, userFactory,
-          dbProvider, label, expVal, null, group);
+  private static Predicate<ChangeData> equalsLabelPredicate(Args args,
+      String label, int expVal) {
+    if (args.accounts == null || args.accounts.isEmpty()) {
+      return new EqualsLabelPredicate(args, label, expVal, null);
     } else {
       List<Predicate<ChangeData>> r = Lists.newArrayList();
-      for (Account.Id a : accounts) {
-        r.add(new EqualsLabelPredicate(projectCache, ccFactory, userFactory,
-            dbProvider, label, expVal, a, group));
+      for (Account.Id a : args.accounts) {
+        r.add(new EqualsLabelPredicate(args, label, expVal, a));
       }
       return or(r);
     }
diff --git a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractIndexQueryChangesTest.java b/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractIndexQueryChangesTest.java
deleted file mode 100644
index 5099d10..0000000
--- a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractIndexQueryChangesTest.java
+++ /dev/null
@@ -1,87 +0,0 @@
-// Copyright (C) 2013 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.server.query.change;
-
-import static org.junit.Assert.assertTrue;
-
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableMap;
-import com.google.gerrit.extensions.api.changes.ReviewInput;
-import com.google.gerrit.reviewdb.client.Change;
-import com.google.gerrit.server.change.ChangeInserter;
-import com.google.gerrit.server.change.ChangeResource;
-import com.google.gerrit.server.change.RevisionResource;
-import com.google.gerrit.server.project.ChangeControl;
-
-import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
-import org.eclipse.jgit.junit.TestRepository;
-import org.eclipse.jgit.revwalk.RevCommit;
-import org.junit.Ignore;
-import org.junit.Test;
-
-import java.util.List;
-
-@Ignore
-public abstract class AbstractIndexQueryChangesTest
-    extends AbstractQueryChangesTest {
-  @Test
-  public void byFileExact() throws Exception {
-    TestRepository<InMemoryRepository> repo = createProject("repo");
-    RevCommit commit = repo.parseBody(
-        repo.commit().message("one")
-        .add("file1", "contents1").add("file2", "contents2")
-        .create());
-    Change change = newChange(repo, commit, null, null, null).insert();
-
-    assertTrue(query("file:file").isEmpty());
-    assertResultEquals(change, queryOne("file:file1"));
-    assertResultEquals(change, queryOne("file:file2"));
-  }
-
-  @Test
-  public void byFileRegex() throws Exception {
-    TestRepository<InMemoryRepository> repo = createProject("repo");
-    RevCommit commit = repo.parseBody(
-        repo.commit().message("one")
-        .add("file1", "contents1").add("file2", "contents2")
-        .create());
-    Change change = newChange(repo, commit, null, null, null).insert();
-
-    assertTrue(query("file:file.*").isEmpty());
-    assertResultEquals(change, queryOne("file:^file.*"));
-  }
-
-  @Test
-  public void byComment() throws Exception {
-    TestRepository<InMemoryRepository> repo = createProject("repo");
-    ChangeInserter ins = newChange(repo, null, null, null, null);
-    Change change = ins.insert();
-    ChangeControl ctl = changeControlFactory.controlFor(change, user);
-
-    ReviewInput input = new ReviewInput();
-    input.message = "toplevel";
-    ReviewInput.Comment comment = new ReviewInput.Comment();
-    comment.line = 1;
-    comment.message = "inline";
-    input.comments = ImmutableMap.<String, List<ReviewInput.Comment>> of(
-        "Foo.java", ImmutableList.<ReviewInput.Comment> of(comment));
-    postReview.apply(new RevisionResource(
-        new ChangeResource(ctl), ins.getPatchSet()), input);
-
-    assertTrue(query("comment:foo").isEmpty());
-    assertResultEquals(change, queryOne("comment:toplevel"));
-    assertResultEquals(change, queryOne("comment:inline"));
-  }
-}
diff --git a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java b/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
index 2edb955..14a8637 100644
--- a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
+++ b/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
@@ -22,6 +22,7 @@
 
 import com.google.common.base.Charsets;
 import com.google.common.base.Objects;
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Lists;
 import com.google.common.hash.Hashing;
@@ -378,19 +379,17 @@
     assertTrue(query("label:Code-Review=2").isEmpty());
     assertTrue(query("label:Code-Review+2").isEmpty());
 
-    // TODO(dborowitz): > and < are broken at head.
-
     assertResultEquals(change, queryOne("label:Code-Review>=0"));
-    //assertResultEquals(change, queryOne("label:Code-Review>0"));
+    assertResultEquals(change, queryOne("label:Code-Review>0"));
     assertResultEquals(change, queryOne("label:Code-Review>=1"));
-    //assertTrue(query("label:Code-Review>1").isEmpty());
+    assertTrue(query("label:Code-Review>1").isEmpty());
     assertTrue(query("label:Code-Review>=2").isEmpty());
 
     assertResultEquals(change, queryOne("label: Code-Review<=2"));
-    //assertResultEquals(change, queryOne("label: Code-Review<2"));
+    assertResultEquals(change, queryOne("label: Code-Review<2"));
     assertResultEquals(change, queryOne("label: Code-Review<=1"));
-    //assertTrue(query("label: Code-Review<1").isEmpty());
-    assertTrue(query("label: Code-Review<=0").isEmpty());
+    assertTrue(query("label:Code-Review<1").isEmpty());
+    assertTrue(query("label:Code-Review<=0").isEmpty());
 
     assertTrue(query("label:Code-Review=+1,anotheruser").isEmpty());
     assertResultEquals(change, queryOne("label:Code-Review=+1,user"));
@@ -569,6 +568,55 @@
     assertTrue(query("status:new ownerin:Administrators limit:2").isEmpty());
   }
 
+  @Test
+  public void byFileExact() throws Exception {
+    TestRepository<InMemoryRepository> repo = createProject("repo");
+    RevCommit commit = repo.parseBody(
+        repo.commit().message("one")
+        .add("file1", "contents1").add("file2", "contents2")
+        .create());
+    Change change = newChange(repo, commit, null, null, null).insert();
+
+    assertTrue(query("file:file").isEmpty());
+    assertResultEquals(change, queryOne("file:file1"));
+    assertResultEquals(change, queryOne("file:file2"));
+  }
+
+  @Test
+  public void byFileRegex() throws Exception {
+    TestRepository<InMemoryRepository> repo = createProject("repo");
+    RevCommit commit = repo.parseBody(
+        repo.commit().message("one")
+        .add("file1", "contents1").add("file2", "contents2")
+        .create());
+    Change change = newChange(repo, commit, null, null, null).insert();
+
+    assertTrue(query("file:file.*").isEmpty());
+    assertResultEquals(change, queryOne("file:^file.*"));
+  }
+
+  @Test
+  public void byComment() throws Exception {
+    TestRepository<InMemoryRepository> repo = createProject("repo");
+    ChangeInserter ins = newChange(repo, null, null, null, null);
+    Change change = ins.insert();
+    ChangeControl ctl = changeControlFactory.controlFor(change, user);
+
+    ReviewInput input = new ReviewInput();
+    input.message = "toplevel";
+    ReviewInput.Comment comment = new ReviewInput.Comment();
+    comment.line = 1;
+    comment.message = "inline";
+    input.comments = ImmutableMap.<String, List<ReviewInput.Comment>> of(
+        "Foo.java", ImmutableList.<ReviewInput.Comment> of(comment));
+    postReview.apply(new RevisionResource(
+        new ChangeResource(ctl), ins.getPatchSet()), input);
+
+    assertTrue(query("comment:foo").isEmpty());
+    assertResultEquals(change, queryOne("comment:toplevel"));
+    assertResultEquals(change, queryOne("comment:inline"));
+  }
+
   protected ChangeInserter newChange(
       TestRepository<InMemoryRepository> repo,
       @Nullable RevCommit commit, @Nullable String key, @Nullable Integer owner,
diff --git a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/LuceneQueryChangesTest.java b/gerrit-server/src/test/java/com/google/gerrit/server/query/change/LuceneQueryChangesTest.java
index ab12986..370dd9d 100644
--- a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/LuceneQueryChangesTest.java
+++ b/gerrit-server/src/test/java/com/google/gerrit/server/query/change/LuceneQueryChangesTest.java
@@ -18,14 +18,8 @@
 import com.google.inject.Guice;
 import com.google.inject.Injector;
 
-import org.eclipse.jgit.lib.Config;
-
-public class LuceneQueryChangesTest extends AbstractIndexQueryChangesTest {
+public class LuceneQueryChangesTest extends AbstractQueryChangesTest {
   protected Injector createInjector() {
-    Config cfg = InMemoryModule.newDefaultConfig();
-    cfg.setString("index", null, "type", "lucene");
-    cfg.setBoolean("index", "lucene", "testInmemory", true);
-    cfg.setInt("index", "lucene", "testVersion", 4);
-    return Guice.createInjector(new InMemoryModule(cfg));
+    return Guice.createInjector(new InMemoryModule());
   }
 }
diff --git a/gerrit-server/src/test/java/com/google/gerrit/testutil/InMemoryModule.java b/gerrit-server/src/test/java/com/google/gerrit/testutil/InMemoryModule.java
index 77a0346..40c79b0 100644
--- a/gerrit-server/src/test/java/com/google/gerrit/testutil/InMemoryModule.java
+++ b/gerrit-server/src/test/java/com/google/gerrit/testutil/InMemoryModule.java
@@ -84,7 +84,8 @@
     cfg.setString("cache", null, "directory", null);
     cfg.setString("index", null, "type", "lucene");
     cfg.setBoolean("index", "lucene", "testInmemory", true);
-    cfg.setInt("index", "lucene", "testVersion", 4);
+    cfg.setInt("index", "lucene", "testVersion",
+        ChangeSchemas.getLatest().getVersion());
     return cfg;
   }