gerrit-server/src/test/java/com/google/gerrit/server/project/RefControlTest.java

// Copyright (C) 2010 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.project;

import static com.google.gerrit.reviewdb.ApprovalCategory.OWN;
import static com.google.gerrit.reviewdb.ApprovalCategory.READ;

import com.google.gerrit.reviewdb.AccountGroup;
import com.google.gerrit.reviewdb.AccountProjectWatch;
import com.google.gerrit.reviewdb.ApprovalCategory;
import com.google.gerrit.reviewdb.Change;
import com.google.gerrit.reviewdb.Project;
import com.google.gerrit.reviewdb.RefRight;
import com.google.gerrit.reviewdb.SystemConfig;
import com.google.gerrit.reviewdb.RefRight.RefPattern;
import com.google.gerrit.server.AccessPath;
import com.google.gerrit.server.AnonymousUser;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.config.AuthConfig;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;

import junit.framework.TestCase;

import org.apache.commons.codec.binary.Base64;
import org.eclipse.jgit.lib.Config;

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class RefControlTest extends TestCase {
  public void testOwnerProject() {
    local.add(grant(OWN, admin, "refs/*", 1));

    ProjectControl uBlah = user(devs);
    ProjectControl uAdmin = user(devs, admin);

    assertFalse("not owner", uBlah.isOwner());
    assertTrue("is owner", uAdmin.isOwner());
  }

  public void testBranchDelegation1() {
    local.add(grant(OWN, admin, "refs/*", 1));
    local.add(grant(OWN, devs, "refs/heads/x/*", 1));

    ProjectControl uDev = user(devs);
    assertFalse("not owner", uDev.isOwner());
    assertTrue("owns ref", uDev.isOwnerAnyRef());

    assertOwner("refs/heads/x/*", uDev);
    assertOwner("refs/heads/x/y", uDev);
    assertOwner("refs/heads/x/y/*", uDev);

    assertNotOwner("refs/*", uDev);
    assertNotOwner("refs/heads/master", uDev);
  }

  public void testBranchDelegation2() {
    local.add(grant(OWN, admin, "refs/*", 1));
    local.add(grant(OWN, devs, "refs/heads/x/*", 1));
    local.add(grant(OWN, fixers, "-refs/heads/x/y/*", 1));

    ProjectControl uDev = user(devs);
    assertFalse("not owner", uDev.isOwner());
    assertTrue("owns ref", uDev.isOwnerAnyRef());

    assertOwner("refs/heads/x/*", uDev);
    assertOwner("refs/heads/x/y", uDev);
    assertNotOwner("refs/*", uDev);
    assertNotOwner("refs/heads/master", uDev);
    assertNotOwner("refs/heads/x/y/*", uDev);

    ProjectControl uFix = user(fixers);
    assertFalse("not owner", uFix.isOwner());
    assertTrue("owns ref", uFix.isOwnerAnyRef());

    assertOwner("refs/heads/x/y/*", uFix);
    assertOwner("refs/heads/x/y/bar", uFix);
    assertNotOwner("refs/heads/x/*", uFix);
    assertNotOwner("refs/heads/x/y", uFix);
    assertNotOwner("refs/*", uFix);
    assertNotOwner("refs/heads/master", uFix);
  }

  public void testInheritRead_SingleBranchDeniesUpload() {
    inherited.add(grant(READ, registered, "refs/*", 1, 2));
    local.add(grant(READ, registered, "-refs/heads/foobar", 1, 1));

    ProjectControl u = user();
    assertTrue("can upload", u.canUploadToAtLeastOneRef());

    assertTrue("can upload refs/heads/master", //
        u.controlForRef("refs/heads/master").canUpload());

    assertFalse("deny refs/heads/foobar", //
        u.controlForRef("refs/heads/foobar").canUpload());
  }

  public void testInheritRead_SingleBranchDoesNotOverrideInherited() {
    inherited.add(grant(READ, registered, "refs/*", 1, 2));
    local.add(grant(READ, registered, "refs/heads/foobar", 1, 1));

    ProjectControl u = user();
    assertTrue("can upload", u.canUploadToAtLeastOneRef());

    assertTrue("can upload refs/heads/master", //
        u.controlForRef("refs/heads/master").canUpload());

    assertTrue("can upload refs/heads/foobar", //
        u.controlForRef("refs/heads/foobar").canUpload());
  }

  public void testCannotUploadToAnyRef() {
    inherited.add(grant(READ, registered, "refs/*", 1, 1));
    local.add(grant(READ, devs, "refs/heads/*",1,2));

    ProjectControl u = user();
    assertFalse("cannot upload", u.canUploadToAtLeastOneRef());
    assertFalse("cannot upload refs/heads/master", //
        u.controlForRef("refs/heads/master").canUpload());
  }


  // -----------------------------------------------------------------------

  private final Project.NameKey projectNameKey = new Project.NameKey("test");
  private final AccountGroup.Id admin = new AccountGroup.Id(1);
  private final AccountGroup.Id anonymous = new AccountGroup.Id(2);
  private final AccountGroup.Id registered = new AccountGroup.Id(3);

  private final AccountGroup.Id devs = new AccountGroup.Id(4);
  private final AccountGroup.Id fixers = new AccountGroup.Id(5);

  private final AuthConfig authConfig;
  private final AnonymousUser anonymousUser;

  public RefControlTest() {
    final SystemConfig systemConfig = SystemConfig.create();
    systemConfig.adminGroupId = admin;
    systemConfig.anonymousGroupId = anonymous;
    systemConfig.registeredGroupId = registered;
    systemConfig.batchUsersGroupId = anonymous;
    try {
      byte[] bin = "abcdefghijklmnopqrstuvwxyz".getBytes("UTF-8");
      systemConfig.registerEmailPrivateKey = Base64.encodeBase64String(bin);
    } catch (UnsupportedEncodingException err) {
      throw new RuntimeException("Cannot encode key", err);
    }

    Injector injector = Guice.createInjector(new AbstractModule() {
      @Override
      protected void configure() {
        bind(Config.class) //
            .annotatedWith(GerritServerConfig.class) //
            .toInstance(new Config());

        bind(SystemConfig.class).toInstance(systemConfig);
        bind(AuthConfig.class);
        bind(AnonymousUser.class);
      }
    });
    authConfig = injector.getInstance(AuthConfig.class);
    anonymousUser = injector.getInstance(AnonymousUser.class);
  }

  private List<RefRight> local;
  private List<RefRight> inherited;

  @Override
  protected void setUp() throws Exception {
    super.setUp();
    local = new ArrayList<RefRight>();
    inherited = new ArrayList<RefRight>();
  }

  private static void assertOwner(String ref, ProjectControl u) {
    assertTrue("OWN " + ref, u.controlForRef(ref).isOwner());
  }

  private static void assertNotOwner(String ref, ProjectControl u) {
    assertFalse("NOT OWN " + ref, u.controlForRef(ref).isOwner());
  }

  private RefRight grant(ApprovalCategory.Id categoryId, AccountGroup.Id group,
      String ref, int maxValue) {
    return grant(categoryId, group, ref, maxValue, maxValue);
  }

  private RefRight grant(ApprovalCategory.Id categoryId, AccountGroup.Id group,
      String ref, int minValue, int maxValue) {
    RefRight right =
        new RefRight(new RefRight.Key(projectNameKey, new RefPattern(ref),
            categoryId, group));
    right.setMinValue((short) minValue);
    right.setMaxValue((short) maxValue);
    return right;
  }

  private ProjectControl user(AccountGroup.Id... memberOf) {
    return new ProjectControl(new MockUser(memberOf), newProjectState());
  }

  private ProjectState newProjectState() {
    ProjectCache projectCache = null;
    Project.NameKey wildProject = null;
    ProjectState ps =
        new ProjectState(anonymousUser, projectCache, wildProject, new Project(
            projectNameKey), local);
    ps.setInheritedRights(inherited);
    return ps;
  }

  private class MockUser extends CurrentUser {
    private final Set<AccountGroup.Id> groups;

    MockUser(AccountGroup.Id[] groupId) {
      super(AccessPath.UNKNOWN, RefControlTest.this.authConfig);
      groups = new HashSet<AccountGroup.Id>(Arrays.asList(groupId));
      groups.add(registered);
      groups.add(anonymous);
    }

    @Override
    public Set<AccountGroup.Id> getEffectiveGroups() {
      return groups;
    }

    @Override
    public Set<Change.Id> getStarredChanges() {
      return Collections.emptySet();
    }

    @Override
    public Collection<AccountProjectWatch> getNotificationFilters() {
      return Collections.emptySet();
    }
  }
}