TEST_F (Simple, GetSystem)
{
using namespace kdb;
KDB kdb;
KeySet ks;
Key parentKey ("system" + testRoot, KEY_END);
ks.append (Key (parentKey.getName () + "/key", KEY_END));
EXPECT_NE (kdb.get (ks, parentKey), -1);
ASSERT_EQ (ks.size (), 1) << "no key stayed" << ks;
ks.rewind ();
ks.next ();
EXPECT_EQ (ks.current ().getName (), "system/tests/kdb/key") << "name of element in keyset wrong";
EXPECT_EQ (ks.current ().getString (), "") << "string of element in keyset wrong";
ASSERT_NE (kdb.set (ks, parentKey), -1);
ks.rewind ();
ks.next ();
EXPECT_EQ (ks.current ().getName (), "system/tests/kdb/key") << "name of element in keyset wrong";
EXPECT_EQ (ks.current ().getString (), "") << "string of element in keyset wrong";
kdb.close (parentKey);
KeySet ks2;
kdb.open (parentKey);
kdb.get (ks2, parentKey);
ks.rewind ();
ks.next ();
EXPECT_EQ (ks.current ().getName (), "system/tests/kdb/key") << "name of element in keyset wrong";
EXPECT_EQ (ks.current ().getString (), "") << "string of element in keyset wrong";
}
TEST_F (Simple, GetAppendMeta)
{
using namespace kdb;
KDB kdb;
KeySet ks;
ks.append (Key ("meta/key", KEY_META_NAME, KEY_END));
Key parentKey (testRoot, KEY_END);
kdb.get (ks, parentKey);
ASSERT_EQ (ks.size (), 1) << "no key stayed";
ks.rewind ();
ks.next ();
EXPECT_EQ (ks.current ().getName (), "meta/key") << "name of element in keyset wrong";
EXPECT_EQ (ks.current ().getString (), "") << "string of element in keyset wrong";
kdb.set (ks, parentKey);
ks.rewind ();
ks.next ();
EXPECT_EQ (ks.current ().getName (), "meta/key") << "name of element in keyset wrong";
EXPECT_EQ (ks.current ().getString (), "") << "string of element in keyset wrong";
kdb.close (parentKey);
KeySet ks2;
kdb.open (parentKey);
kdb.get (ks2, parentKey);
ASSERT_EQ (ks2.size (), 0) << "got keys from freshly mounted backends";
}
int CpCommand::execute (Cmdline const & cl)
{
if (cl.arguments.size () != 2)
{
throw invalid_argument ("wrong number of arguments, 2 needed");
}
KeySet conf;
Key sourceKey = cl.createKey (0);
if (!sourceKey.isValid ())
{
throw invalid_argument ("Source given is not a valid keyname");
}
Key destKey = cl.createKey (1);
if (!destKey.isValid ())
{
throw invalid_argument ("Destination given is not a valid keyname");
}
string newDirName = destKey.getName ();
kdb.get (conf, sourceKey);
kdb.get (conf, destKey);
KeySet tmpConf = conf;
KeySet oldConf;
oldConf.append (tmpConf.cut (sourceKey));
KeySet newConf;
oldConf.rewind ();
std::string sourceName = sourceKey.getName ();
if (cl.verbose) cout << "common name: " << sourceName << endl;
if (cl.recursive)
{
// copy all keys with new name
Key k;
while ((k = oldConf.next ()))
{
Key rk = rename_key (k, sourceName, newDirName, cl.verbose);
copySingleKey (cl, rk, tmpConf, newConf);
}
}
else
{
// just copy one key
Key k = oldConf.next ();
Key rk = rename_key (k, sourceName, newDirName, cl.verbose);
copySingleKey (cl, rk, tmpConf, newConf);
}
newConf.append (tmpConf); // these are unrelated keys
newConf.append (oldConf); // these are the original keys
newConf.rewind ();
kdb.set (newConf, destKey);
return 0;
}
/**
* @brief give info about current mounted backends
*
* @param mountConf a keyset that contains everything below
* Backends::mountpointsPath
*
* @return an vector of information about mounted backends
*/
Backends::BackendInfoVector Backends::getBackendInfo (KeySet mountConf)
{
std::vector<BackendInfo> ret;
Key rootKey (Backends::mountpointsPath, KEY_END);
Key cur;
mountConf.rewind ();
while ((cur = mountConf.next ()))
{
if (cur.isDirectBelow (rootKey))
{
BackendInfo bi;
Key path = mountConf.lookup (cur.getName () + "/config/path");
if (path)
{
bi.path = path.getString ();
}
Key mp = mountConf.lookup (cur.getName () + "/mountpoint");
if (mp)
{
bi.mountpoint = mp.getString ();
}
bi.name = cur.getBaseName ();
ret.push_back (bi);
}
}
return ret;
}
void SpecReader::readSpecification (KeySet const & cks)
{
KeySet ks;
Key mp;
// only accept keys in 'spec' namespace
for (Key k : cks)
{
if (k.isSpec ())
{
ks.append (k);
}
}
ks.rewind (); // we need old fashioned loop, because it can handle ks.cut during iteration
for (Key k = ks.next (); k; k = ks.next ())
{
// search for mountpoint
Key m = k.getMeta<const Key> ("mountpoint");
if (m)
{
SpecMountpointReader smr (backends, bbi);
backends[k] = smr.readMountpointSpecification (ks.cut (k));
}
}
}
MergeResult ThreeWayMerge::mergeKeySet(const MergeTask& task)
{
MergeResult result;
detectConflicts (task, result);
detectConflicts (task.reverse (), result, true);
if (!result.hasConflicts()) return result;
// TODO: test this behaviour (would probably need mocks)
Key current;
KeySet conflicts = result.getConflictSet();
conflicts.rewind();
while ((current = conflicts.next ()))
{
for (vector<MergeConflictStrategy *>::iterator it = strategies.begin (); it != strategies.end (); ++it)
{
(*it)->resolveConflict (task, current, result);
if (!result.isConflict(current))
break;
}
}
return result;
}
TEST_F (Simple, SetSystemGetAppend2)
{
using namespace kdb;
KDB kdb;
KeySet ks;
Key parentKey (testRoot, KEY_END);
ks.append (Key ("system" + testRoot + "key", KEY_VALUE, "value1", KEY_END));
kdb.get (ks, parentKey);
ASSERT_EQ (ks.size (), 1) << "got keys from freshly mounted backends";
ks.rewind ();
ks.next ();
EXPECT_EQ (ks.current ().getName (), "system/tests/kdb/key") << "name of element in keyset wrong";
EXPECT_EQ (ks.current ().getString (), "value1") << "string of element in keyset wrong";
kdb.set (ks, parentKey);
kdb.close (parentKey);
KeySet ks2;
ks2.append (Key ("system" + testRoot + "key2", KEY_VALUE, "value2", KEY_END));
kdb.open (parentKey);
kdb.get (ks2, parentKey);
ks2.rewind ();
ks2.next ();
ASSERT_EQ (ks2.size (), 1) << "wrong size";
EXPECT_EQ (ks2.current ().getName (), "system/tests/kdb/key") << "name of element in keyset wrong";
EXPECT_EQ (ks2.current ().getString (), "value1") << "string of element in keyset wrong";
}
MergeResult ThreeWayMerge::mergeKeySet (const MergeTask & task)
{
MergeResult result;
detectConflicts (task, result);
detectConflicts (task.reverse (), result, true);
if (!result.hasConflicts ()) return result;
// TODO: test this behaviour (would probably need mocks)
Key current;
KeySet conflicts = result.getConflictSet ();
conflicts.rewind ();
while ((current = conflicts.next ()))
{
for (auto & elem : strategies)
{
(elem)->resolveConflict (task, current, result);
if (!result.isConflict (current)) break;
}
}
return result;
}
void RemountCommand::cloneMountpoint(Cmdline const & cl)
{
Key existingParent (Backends::getBasePath(existingName), KEY_END);
Key newParent (Backends::getBasePath(mp), KEY_END);
KeySet existingBackend = mountConf.cut(existingParent);
mountConf.append(existingBackend);
KeySet newBackend(existingBackend.size(), KS_END);
string configPath = newParent.getName() + "/config/path";
string mpPath = newParent.getName() + "/mountpoint";
existingBackend.rewind();
while (Key current = existingBackend.next())
{
Key newKey = rebaseKey (current, existingParent, newParent);
newBackend.append(newKey);
if (newKey.getName() == mpPath)
{
newKey.setString(mp);
}
if (newKey.getName() == configPath)
{
newKey.setString(cl.arguments[0]);
}
}
mountConf.append(newBackend);
}
SpecBackendBuilder SpecMountpointReader::readMountpointSpecification (KeySet const & cks)
{
ks = cks;
mp = ks.head ().dup ();
Key rmp (mp.dup ());
helper::removeNamespace (rmp);
bb.setMountpoint (rmp, mountConf);
processKey (mp);
bb.nodes++; // count mp
ks.lookup (mp, KDB_O_POP);
ks.rewind (); // we need old fashioned loop, because it can handle ks.cut during iteration
for (Key k = ks.next (); k; k = ks.next ())
{
// search for mountpoint
Key m = k.getMeta<const Key> ("mountpoint");
if (m)
{
SpecMountpointReader smr (backends, bbi);
backends[k] = smr.readMountpointSpecification (ks.cut (k));
continue;
}
processKey (k);
bb.nodes++;
}
bb.setBackendConfig (backendConfig);
bb.useConfigFile (mp.getMeta<std::string> ("mountpoint"));
return bb;
}
TEST(Backend, SimpleBackend)
{
using namespace kdb;
using namespace kdb::tools;
Backend b;
b.setMountpoint(Key("/", KEY_CASCADING_NAME, KEY_END), KeySet(0, KS_END));
EXPECT_EQ(b.getMountpoint(), "/");
b.addPlugin("resolver");
b.addPlugin("dump");
b.useConfigFile("abc");
EXPECT_TRUE(b.validated());
KeySet mountConfig;
b.serialize(mountConfig);
// outputGTest(mountConfig, "mountConfig");
mountConfig.rewind();
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\/") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "This is a configuration for a backend, see subkeys for more information") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//config") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//config/path") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "abc") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//errorplugins") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//errorplugins/#5#resolver#resolver#") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//getplugins") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//getplugins/#0#resolver") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//getplugins/#5#dump#dump#") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//mountpoint") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "/") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//setplugins") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//setplugins/#0#resolver") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//setplugins/#5#dump") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/\\//setplugins/#7#resolver") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
}
TEST_F (Simple, GetAppendCascading)
{
using namespace kdb;
KDB kdb;
KeySet ks;
ks.append (Key (testRoot + "key", KEY_END));
Key parentKey (testRoot, KEY_END);
std::string myRoot = testRoot.substr (0, testRoot.length () - 1);
EXPECT_EQ (parentKey.getName (), myRoot);
EXPECT_EQ (parentKey.getString (), "");
kdb.get (ks, parentKey);
EXPECT_EQ (parentKey.getName (), myRoot);
std::string fn = parentKey.getString ();
EXPECT_EQ (fn.substr (fn.find_last_of ('/') + 1), "kdbFile.dump");
parentKey.setString ("");
ASSERT_EQ (ks.size (), 1) << "no key stayed" << ks;
ks.rewind ();
ks.next ();
EXPECT_EQ (ks.current ().getName (), "/tests/kdb/key") << "name of element in keyset wrong";
EXPECT_EQ (ks.current ().getString (), "") << "string of element in keyset wrong";
kdb.set (ks, parentKey);
EXPECT_EQ (parentKey.getName (), myRoot);
EXPECT_EQ (parentKey.getString (), "");
ks.rewind ();
ks.next ();
EXPECT_EQ (ks.current ().getName (), "/tests/kdb/key") << "name of element in keyset wrong";
EXPECT_EQ (ks.current ().getString (), "") << "string of element in keyset wrong";
kdb.close (parentKey);
EXPECT_EQ (parentKey.getName (), myRoot);
EXPECT_EQ (parentKey.getString (), "");
KeySet ks2;
kdb.open (parentKey);
EXPECT_EQ (parentKey.getName (), myRoot);
EXPECT_EQ (parentKey.getString (), "");
kdb.get (ks2, parentKey);
EXPECT_EQ (parentKey.getName (), myRoot);
fn = parentKey.getString ();
EXPECT_EQ (fn.substr (fn.find_last_of ('/') + 1), "kdbFile.dump");
ASSERT_EQ (ks2.size (), 0) << "got keys from freshly mounted backends";
}
void MetaMergeStrategy::resolveConflict(const MergeTask& task, Key& conflictKey, MergeResult& result)
{
conflictKey.rewindMeta();
Key currentMeta;
string baseLookup = rebasePath (conflictKey, task.mergeRoot, task.baseParent);
string ourLookup = rebasePath (conflictKey, task.mergeRoot, task.ourParent);
string theirLookup = rebasePath (conflictKey, task.mergeRoot, task.theirParent);
Key baseKey = task.base.lookup(baseLookup);
Key ourKey = task.ours.lookup(ourLookup);
Key theirKey = task.theirs.lookup(theirLookup);
Key root ("user/", KEY_END);
KeySet baseMeta = getMetaKeys (baseKey);
KeySet ourMeta = getMetaKeys (ourKey);
KeySet theirMeta = getMetaKeys (theirKey);
MergeTask metaTask(BaseMergeKeys (baseMeta, root), OurMergeKeys (ourMeta, root),
TheirMergeKeys (theirMeta, root), root);
MergeResult metaResult = innerMerger.mergeKeySet(metaTask);
KeySet mergedMeta = metaResult.getMergedKeys();
Key current;
mergedMeta.rewind();
while ((current = mergedMeta.next()))
{
string metaName = current.getName().substr(string("user/").length());
conflictKey.setMeta(metaName, current.getString());
}
ConflictOperation ourOperation = getOurConflictOperation(conflictKey);
ConflictOperation theirOperation = getTheirConflictOperation(conflictKey);
if (!metaResult.hasConflicts ())
{
if (ourOperation == CONFLICT_META && theirOperation == CONFLICT_META)
{
// TODO: addConflict deletes the key content
// without this strategy restoring the value the value would be lost
// this happens only for CONFLICT_META <--> CONFLICT_META conflicts
// add a test for this behaviour
copyKeyValue(ourKey, conflictKey);
result.resolveConflict (conflictKey);
result.addMergeKey (conflictKey);
}
}
}
TEST(MergeResult, ResolveConflictDeletesConflictMeta)
{
using namespace kdb;
using namespace kdb::tools;
Backend b("my_backend", "/");
b.addPlugin("resolver");
b.addPlugin("dump");
b.validated();
Key rootKey(Backends::mountpointsPath, KEY_END);
KeySet mountConfig;
b.serialise(rootKey, mountConfig);
// outputGTest(mountConfig, "mountConfig");
mountConfig.rewind();
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "serialised Backend") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/errorplugins") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/errorplugins/#5#resolver#resolver#") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/getplugins") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/getplugins/#0#resolver") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/getplugins/#5#dump#dump#") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/mountpoint") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "/") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/setplugins") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/setplugins/#0#resolver") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/setplugins/#5#dump") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_TRUE(mountConfig.current().getName() == "system/elektra/mountpoints/my_backend/setplugins/#7#resolver") << "name of element in keyset wrong";
EXPECT_TRUE(mountConfig.current().getString() == "") << "string of element in keyset wrong";
}
TEST_F (Simple, GetAppendNamespaces)
{
using namespace kdb;
for (size_t i = 0; i < namespaces.size (); ++i)
{
KDB kdb;
KeySet ks;
ks.append (Key (namespaces[i].name + testRoot + "key", KEY_END));
kdb.get (ks, testRoot);
ASSERT_EQ (ks.size (), 1) << "did not got key appended first with namespace " << namespaces[i].name;
ks.rewind ();
ks.next ();
EXPECT_EQ (ks.current ().getName (), namespaces[i].name + "/tests/kdb/key") << "name of element in keyset wrong";
EXPECT_EQ (ks.current ().getString (), "") << "string of element in keyset wrong";
}
}
TEST_F(ThreeWayMergeTest, CascadingParentsCauseNoCascadingKeys)
{
Key root("/", KEY_END);
MergeResult result = merger.mergeKeySet(MergeTask(BaseMergeKeys(base, Key("/parentb", KEY_END)),
OurMergeKeys(ours, Key("/parento", KEY_END)),
TheirMergeKeys (theirs, Key("/parentt", KEY_END)),
root));
EXPECT_FALSE(result.hasConflicts()) << "Invalid conflict detected";
Key current;
KeySet merged = result.getMergedKeys ();
merged.rewind();
while ((current = merged.next ()))
{
EXPECT_FALSE(current.getNamespace() == "/");
}
}
void SpecReader::readSpecification (KeySet const & cks)
{
KeySet ks (cks);
Key mp;
ks.rewind (); // we need old fashioned loop, because it can handle ks.cut during iteration
for (Key k = ks.next (); k; k = ks.next ())
{
// search for mountpoint
Key m = k.getMeta<const Key> ("mountpoint");
if (m)
{
SpecMountpointReader smr (backends, bbi);
backends[k] = smr.readMountpointSpecification (ks.cut (k));
}
}
}
TEST_F(ThreeWayMergeTest, EqualKeySetsWontCauseSync)
{
unsyncKeys(ours);
unsyncKeys(theirs);
unsyncKeys(base);
MergeResult result = merger.mergeKeySet (base, ours, theirs, ourParent);
EXPECT_FALSE(result.hasConflicts()) << "Invalid conflict detected";
KeySet merged = result.getMergedKeys();
Key current;
merged.rewind();
while ((current = merged.next ()))
{
EXPECT_FALSE(current.needSync());
}
}
int TestCommand::execute(Cmdline const& cl)
{
if (cl.arguments.size() < 1)
{
throw invalid_argument ("need at least one argument");
}
// do a basic check on every argument
for (size_t i=1; i<cl.arguments.size(); ++i)
{
string name = " ";
name += cl.arguments[i];
name += " ";
if (testNames.find(name) == std::string::npos)
{
throw invalid_argument ("test name " +
cl.arguments[i] +
" does not exist in:" +
testNames);
}
}
printWarnings(cerr, root);
root = cl.createKey(0);
KDB kdb;
KeySet original;
kdb.get(original, root);
original.rewind();
doTests(cl.arguments);
cerr << "We got " << nrError << " errors in " << nrTest << " testcases." << endl;
cout << "Test suite is now finished." << endl;
cout << "Now restoring the original keyset." << endl;
kdb.set(original, root);
printWarnings(cerr, root);
return nrError;
}
void serialise(ostream &ofs, KeySet & output)
{
ofs << '{' << endl;
output.rewind();
while (Key k = output.next())
{
ofs << "\t{" << endl;
ofs << "\t\t" << k.getName() << " = " << k.getString() << endl;
k.rewindMeta();
while (const Key m = k.nextMeta())
{
ofs << "\t\t{" << endl;
ofs << "\t\t\t" << m.getName() << " = " << m.getString() << endl;
ofs << "\t\t}" << endl;
}
ofs << "\t}" << endl;
}
ofs << '}' << endl;
}
TEST(Backend, SimpleBackendWithConf)
{
using namespace kdb;
using namespace kdb::tools;
Backend b;
b.setMountpoint(Key("user/somewhere", KEY_END), KeySet(0, KS_END));
EXPECT_EQ(b.getMountpoint(), "user/somewhere");
KeySet backendConf(5,
*Key("system/globalConf", KEY_VALUE, "for everywhere", KEY_END),
*Key("system/other_global_conf", KEY_VALUE, "more", KEY_END),
KS_END);
b.setBackendConfig(backendConf);
KeySet resConf(5,
*Key("user/res_conf", KEY_VALUE, "do resolving", KEY_END),
*Key("user/other_res_conf", KEY_VALUE, "do resolving too", KEY_END),
KS_END);
b.addPlugin("resolver", resConf);
KeySet dumpConf(5,
*Key("user/file_format", KEY_VALUE, "1", KEY_END),
*Key("user/other_dump_conf", KEY_VALUE, "some dump config", KEY_END),
KS_END);
b.addPlugin("dump", dumpConf);
b.useConfigFile("abc");
EXPECT_TRUE(b.validated());
KeySet mountConfig;
b.serialize(mountConfig);
// outputGTest(mountConfig, "mountConfig");
mountConfig.rewind();
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "This is a configuration for a backend, see subkeys for more information") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/config") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/config/globalConf") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "for everywhere") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/config/other_global_conf") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "more") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/config/path") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "abc") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/errorplugins") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/errorplugins/#5#resolver#resolver#") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/errorplugins/#5#resolver#resolver#/config") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/errorplugins/#5#resolver#resolver#/config/other_res_conf") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "do resolving too") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/errorplugins/#5#resolver#resolver#/config/res_conf") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "do resolving") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/getplugins") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/getplugins/#0#resolver") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/getplugins/#5#dump#dump#") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/getplugins/#5#dump#dump#/config") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/getplugins/#5#dump#dump#/config/file_format") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "1") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/getplugins/#5#dump#dump#/config/other_dump_conf") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "some dump config") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/mountpoint") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "user/somewhere") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/setplugins") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/setplugins/#0#resolver") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/setplugins/#5#dump") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
mountConfig.next();
EXPECT_EQ(mountConfig.current().getName(), "system/elektra/mountpoints/user\\/somewhere/setplugins/#7#resolver") << "name of element in keyset wrong";
EXPECT_EQ(mountConfig.current().getString(), "") << "string of element in keyset wrong";
}
int MvCommand::execute (Cmdline const & cl)
{
if (cl.arguments.size () != 2)
{
throw invalid_argument ("wrong number of arguments, 2 needed");
}
KeySet conf;
Key sourceKey = cl.createKey (0, false);
Key destKey = cl.createKey (1, false);
string newDirName = destKey.getName ();
Key root = tools::helper::commonKeyName (sourceKey, destKey);
if (cl.verbose) std::cout << "using common basename: " << root.getName () << std::endl;
kdb.get (conf, root);
KeySet tmpConf = conf;
KeySet oldConf;
oldConf.append (tmpConf.cut (sourceKey));
std::string sourceName = sourceKey.getName ();
if (!oldConf.size ())
{
std::cerr << "No key to copy found below '" << sourceName << "'" << std::endl;
return 11;
}
KeySet newConf;
Key k;
oldConf.rewind ();
if (cl.recursive)
{
while ((k = oldConf.next ()))
{
newConf.append (rename_key (k, sourceName, newDirName, cl.verbose));
}
}
else
{
// just rename one key
k = oldConf.next ();
if (k != sourceKey)
{
cerr << "First key found " << k.getName () << " does not exactly match given key " << sourceKey.getName ()
<< ", aborting (use -r to move hierarchy)\n";
return 11;
}
newConf.append (rename_key (k, sourceName, newDirName, cl.verbose));
}
newConf.append (tmpConf); // these are unrelated keys
// drop the original configuration
newConf.rewind ();
if (cl.verbose)
{
cout << "Will write out:" << endl;
cout << newConf;
}
kdb.set (newConf, root);
printWarnings (cerr, root);
return 0;
}
int main()
{
KeySet ours;
KeySet theirs;
KeySet base;
// the root of the subtree containing our keys (i.e. our side of the merge)
Key oursRoot ("user/ours", KEY_END);
// the root of the subtree containing their keys (i.e. their side of the merge)
Key theirsRoot ("user/theirs", KEY_END);
// the root of the subtree containing the base keys (i.e. the common ancestor of the merge)
Key baseRoot ("user/base", KEY_END);
// the root of the subtree that will contain the merge result
Key resultRoot ("user/result", KEY_END);
// Step 1: retrieve clean KeySets containing only those
// keys that should be merged. This is a bit trickier than
// it seems at first. Have a look at the documentation of kdbGet
// for detailed information
// things to note:
// * use blocks with local KDB instances so we don't have to worry about
// writing the keys back
// * remove the root key itself from the result KeySet because it usually
// contains the mounted filename and cannot be merged anyway
// Also have a look at the documentation of kdbSet()
// (http://doc.libelektra.org/api/latest/html/group__kdb.html#ga11436b058408f83d303ca5e996832bcf).
// The merging framework can also be used to resolve conflicts resulting from
// concurrent calls to kdbSet() as described in the example of kdbSet().
{
KDB lkdb;
lkdb.get (ours, oursRoot);
ours = ours.cut (oursRoot);
ours.lookup(oursRoot, KDB_O_POP);
lkdb.get (theirs, theirsRoot);
theirs = theirs.cut (theirsRoot);
theirs.lookup(theirsRoot, KDB_O_POP);
lkdb.get (base, baseRoot);
base = base.cut (baseRoot);
base.lookup(baseRoot, KDB_O_POP);
}
// Step 2: Make sure that no keys reside below the intended merge result root
// Usually the merge can be either aborted if this is the case or the existing
// keys can be overwritten.
KeySet resultKeys;
kdb::KDB kdb;
kdb.get (resultKeys, resultRoot);
KeySet discard = resultKeys.cut (resultRoot);
if (discard.size () != 0)
{
// handle existing keys below the result root
return -1;
}
ThreeWayMerge merger;
// Step 3: Decide which resolution strategies to use. The strategies are registered
// with the merge and applied in order as soon as a conflict is detected. If a strategy
// marks a conflict as resolved, no further strategies are consulted. Therefore the order
// in which they are registered is absolutely crucial. With this chaining the strategies
// remain simple, but can be combined to powerful resolution strategies.
// Have a look at the strategy documentation for further details on what they do and how they work.
// The unit tests also provide insight into how the strategies work.
// In order to simplify the initialization, predefined merge configurations exist.
// in this example we first resolve all the keys that can be automatically
// resolved (e.g. only one side was modified). This is exactly the use case of the
// AutoMergeConfiguration.
AutoMergeConfiguration configuration;
configuration.configureMerger(merger);
// Step 4: Perform the actual merge
MergeResult result = merger.mergeKeySet (
MergeTask (BaseMergeKeys (base, baseRoot), OurMergeKeys (ours, oursRoot),
TheirMergeKeys (theirs, theirsRoot), resultRoot));
// Step 5: work with the result. The merger will return an object containing information
// about the merge result.
if (!result.hasConflicts ())
{
// output some statistical information
cout << result.getMergedKeys().size() << " keys in the result" << endl;
cout << result.getNumberOfEqualKeys() << " keys were equal" << endl;
cout << result.getNumberOfResolvedKeys() << " keys were resolved" << endl;
// write the result
resultKeys.append(result.getMergedKeys());
kdb.set (resultKeys, resultRoot);
return 0;
}
else
{
KeySet conflicts = result.getConflictSet();
cerr << conflicts.size() << " conflicts were detected that could not be resolved automatically:" << endl;
conflicts.rewind();
Key current;
while ((current = conflicts.next()))
{
// For each unresolved conflict there is a conflict key in the merge result.
// This conflict key contains meta information about the reason of the conflict.
// In particular the metakeys conflict/operation/our and conflict/operation/their contain
// the operations done on our version of the key and their version of the key relative to
// the base version of the key.
string ourConflict = current.getMeta<string> ("conflict/operation/our");
string theirConflict = current.getMeta<string> ("conflict/operation/their");
cerr << current << endl;
cerr << "ours: " << ourConflict << ", theirs: " << theirConflict << endl;
cerr << endl;
}
cerr << "Merge unsuccessful." << endl;
return -1;
}
}
void TestCommand::doNamingTest ()
{
vector<string> teststrings;
teststrings.push_back ("keyname");
teststrings.push_back ("deep/below/keyname");
teststrings.push_back ("keyname with spaces");
teststrings.push_back ("deep/belowkeyname with spaces");
teststrings.push_back (" a very long value with many spaces and basically very very long, but only text ");
for (int i = 1; i < 256; ++i)
teststrings.back () += "/ very very long, but only text ... ";
teststrings.push_back ("ascii umlauts !\"§$%&/()=?`\\}][{");
teststrings.push_back ("utf8 umlauts ¸¬½¼³²¹ł€¶øæßð𳽫»¢“”nµ─·");
teststrings.push_back ("all chars:");
for (int i = 1; i < 256; ++i)
teststrings.back ().push_back (i);
teststrings.push_back ("€");
for (int i = 1; i < 256; ++i)
{
if (i == '.') continue;
string s;
s.push_back (i);
teststrings.push_back (s);
}
for (auto & teststring : teststrings)
{
{
KDB kdb;
Key t = root.dup ();
t.addBaseName (teststring);
KeySet basic;
basic.append (t);
KeySet test;
kdb.get (test, root);
kdb.set (basic, root);
}
{
KDB kdb;
KeySet test;
kdb.get (test, root);
test.rewind ();
Key res = test.next ();
nrTest++;
if (!res)
{
nrError++;
cerr << "Naming test failed (no key in keyset)" << endl;
continue;
}
nrTest++;
Key cmp = root.dup ();
cmp.addBaseName (teststring);
if (res != cmp)
{
nrError++;
cerr << "Naming test failed (name is not equal)" << endl;
cerr << "We got: \"" << res.getName () << "\"" << endl;
cerr << "We wanted: \"" << cmp.getName () << "\"" << endl;
}
}
}
}