public void testHeadNotPopular() throws Exception {
    VersionCounts versionCounts = VersionCounts.make();

    VoteBlock vb1 = makeVoteBlock("http://test.com/foo1");
    byte[] hash1 = addVersion(vb1, "content 1 for foo1");
    byte[] hash2 = addVersion(vb1, "content 2 for foo1");

    VoteBlock vb2 = makeVoteBlock("http://test.com/foo1");
    addVersion(vb2, "content 1 for foo1");
    addVersion(vb2, "content 2 for foo1");

    VoteBlock vb3 = makeVoteBlock("http://test.com/foo1");
    addVersion(vb3, "content 3 for foo1");
    addVersion(vb3, "content 2 for foo1");

    versionCounts.vote(vb1, participant1);
    versionCounts.vote(vb2, participant2);
    versionCounts.vote(vb3, participant3);

    Map<ParticipantUserData, HashResult> repairCandidates;
    repairCandidates = versionCounts.getRepairCandidates(0);
    assertSameElements(
        SetUtil.set(participant1, participant2, participant3), repairCandidates.keySet());

    repairCandidates = versionCounts.getRepairCandidates(1);
    assertSameElements(
        SetUtil.set(participant1, participant2, participant3), repairCandidates.keySet());

    repairCandidates = versionCounts.getRepairCandidates(2);
    assertSameElements(SetUtil.set(participant1, participant2), repairCandidates.keySet());

    repairCandidates = versionCounts.getRepairCandidates(3);
    assertEmpty(repairCandidates.keySet());
  }
  public void testMultipleIdenticalVersions() throws Exception {
    VersionCounts versionCounts = VersionCounts.make();

    VoteBlock vb1 = makeVoteBlock("http://test.com/foo1");
    byte[] hash1 = addVersion(vb1, "content 1 for foo1");
    byte[] hash2 = addVersion(vb1, "content 2 for foo1");

    VoteBlock vb2 = makeVoteBlock("http://test.com/foo1");
    addVersion(vb2, "content 1 for foo1");
    addVersion(vb2, "content 1 for foo1");
    addVersion(vb2, "content 1 for foo1");
    addVersion(vb2, "content 1 for foo1");
    addVersion(vb2, "content 2 for foo1");

    VoteBlock vb3 = makeVoteBlock("http://test.com/foo1");
    addVersion(vb3, "content 1 for foo1");
    addVersion(vb3, "content 2 for foo1");
    addVersion(vb3, "content 2 for foo1");
    addVersion(vb3, "content 2 for foo1");
    addVersion(vb3, "content 2 for foo1");

    versionCounts.vote(vb1, participant1);
    versionCounts.vote(vb2, participant2);
    versionCounts.vote(vb3, participant3);

    Map<ParticipantUserData, HashResult> repairCandidates;
    repairCandidates = versionCounts.getRepairCandidates(2);
    assertSameElements(
        SetUtil.set(participant1, participant2, participant3), repairCandidates.keySet());

    // With only three candidates, no version should reach a threshold
    // of 4, unless counting multiples is wrong.
    repairCandidates = versionCounts.getRepairCandidates(4);
    assertEmpty(repairCandidates.keySet());
  }
 /**
  * Return the request parameters as a Map<String,String>. Only the first value of multivalued
  * parameters is included.
  */
 Map<String, String> getParamsAsMap() {
   Map<String, String> map = new HashMap<String, String>();
   for (Enumeration en = req.getParameterNames(); en.hasMoreElements(); ) {
     String name = (String) en.nextElement();
     map.put(name, req.getParameter(name));
   }
   return map;
 }
  public void testHeadNotAllowed() throws Exception {
    VersionCounts versionCounts = VersionCounts.make();

    VoteBlock vb1 = makeVoteBlock("http://test.com/foo1");
    byte[] hash1 = addVersion(vb1, "content 1 for foo1");
    byte[] hash2 = addVersion(vb1, "content 2 for foo1");

    versionCounts.vote(vb1, participant1);

    Map<ParticipantUserData, HashResult> repairCandidates;
    repairCandidates = versionCounts.getRepairCandidates(0);
    assertSameElements(SetUtil.set(participant1), repairCandidates.keySet());

    // Same, but with an excluded version that doesn't matter.
    repairCandidates = versionCounts.getRepairCandidates(0, SetUtil.set(HashResult.make(hash2)));
    assertSameElements(SetUtil.set(participant1), repairCandidates.keySet());

    // Same, but with an excluded version that does matter
    repairCandidates = versionCounts.getRepairCandidates(0, SetUtil.set(HashResult.make(hash1)));
    assertEmpty(repairCandidates);
  }
 protected boolean hasNoRoleParsm(String roleName) {
   String noRoleParam = noRoleParams.get(roleName);
   return (noRoleParam != null && !StringUtil.isNullString(req.getParameter(noRoleParam)));
 }
 static {
   noRoleParams.put(ROLE_USER_ADMIN, "noadmin");
   noRoleParams.put(ROLE_CONTENT_ADMIN, "nocontent");
   noRoleParams.put(ROLE_AU_ADMIN, "noau");
   noRoleParams.put(ROLE_DEBUG, "nodebug");
 }