public void TestReadWithNoLogFile()
{
var storePath = Path.Combine(BaseDirectory, "ReadWithNoLogFile");
Directory.CreateDirectory(storePath);
var log = new PersistentStatisticsLog(_persistenceManager, storePath);
Assert.AreEqual(0, log.GetStatistics().Count());
}
public void TestAppendPredicateStats()
{
var storePath = Path.Combine(BaseDirectory, "AppendPredicateStats");
Directory.CreateDirectory(storePath);
var log = new PersistentStatisticsLog(_persistenceManager, storePath);
var timestamp = DateTime.Now;
var predicates = new Dictionary<string, ulong> { { "http://example.org/p1", 1 }, { "http://example.org/p2", 2 } };
log.AppendStatistics(new StoreStatistics(1, timestamp, 3, predicates));
Assert.IsTrue(File.Exists(Path.Combine(storePath, "stats.bs")));
Assert.IsTrue(File.Exists(Path.Combine(storePath, "statsheaders.bs")));
var allStats = log.GetStatistics().ToList();
Assert.AreEqual(1, allStats.Count);
// Create a new log instance
log = new PersistentStatisticsLog(_persistenceManager, storePath);
timestamp = DateTime.Now;
predicates = new Dictionary<string, ulong>{{"http://example.org/p1", 2}, {"http://example.org/p2", 2}, {"http://example.org/p3", 3}};
log.AppendStatistics(new StoreStatistics(2, timestamp, 7, predicates));
// Retrieve stats via a new log instance
log = new PersistentStatisticsLog(_persistenceManager, storePath);
var stats = log.GetStatistics().FirstOrDefault();
Assert.IsNotNull(stats);
Assert.AreEqual(2UL, stats.CommitNumber);
Assert.AreEqual(timestamp, stats.CommitTime);
Assert.AreEqual(7UL, stats.TripleCount);
Assert.IsTrue(stats.PredicateTripleCounts.ContainsKey("http://example.org/p1"));
Assert.AreEqual(2UL, stats.PredicateTripleCounts["http://example.org/p1"]);
Assert.IsTrue(stats.PredicateTripleCounts.ContainsKey("http://example.org/p2"));
Assert.AreEqual(2UL, stats.PredicateTripleCounts["http://example.org/p2"]);
Assert.IsTrue(stats.PredicateTripleCounts.ContainsKey("http://example.org/p3"));
Assert.AreEqual(3UL, stats.PredicateTripleCounts["http://example.org/p3"]);
Assert.AreEqual(3, stats.PredicateTripleCounts.Count);
}
public void TestCreateNewLogFile()
{
var storePath = Path.Combine(BaseDirectory, "CreateNewLogFile");
Directory.CreateDirectory(storePath);
var log = new PersistentStatisticsLog(_persistenceManager, storePath);
var timestamp = DateTime.Now;
var predicates = new Dictionary<string, ulong> {{"http://example.org/p1", 1}, {"http://example.org/p2", 2}};
log.AppendStatistics(new StoreStatistics(1, timestamp, 3, predicates));
Assert.IsTrue(File.Exists(Path.Combine(storePath, "stats.bs")));
Assert.IsTrue(File.Exists(Path.Combine(storePath, "statsheaders.bs")));
var allStats = log.GetStatistics().ToList();
Assert.AreEqual(1, allStats.Count);
Assert.AreEqual(1UL, allStats[0].CommitNumber);
Assert.AreEqual(timestamp, allStats[0].CommitTime);
Assert.AreEqual(3UL, allStats[0].TripleCount);
Assert.IsTrue(allStats[0].PredicateTripleCounts.ContainsKey("http://example.org/p1"));
Assert.AreEqual(1UL, allStats[0].PredicateTripleCounts["http://example.org/p1"]);
Assert.IsTrue(allStats[0].PredicateTripleCounts.ContainsKey("http://example.org/p2"));
Assert.AreEqual(2UL, allStats[0].PredicateTripleCounts["http://example.org/p2"]);
Assert.AreEqual(2, allStats[0].PredicateTripleCounts.Count);
}
public void TestReadEmptyRecord()
{
var storePath = Path.Combine(BaseDirectory, "ReadEmptyRecord");
Directory.CreateDirectory(storePath);
var log = new PersistentStatisticsLog(_persistenceManager, storePath);
var timestamp = DateTime.Now;
var predicates = new Dictionary<string, ulong>();
log.AppendStatistics(new StoreStatistics(1, timestamp, 0, predicates));
Assert.IsTrue(File.Exists(Path.Combine(storePath, "stats.bs")));
Assert.IsTrue(File.Exists(Path.Combine(storePath, "statsheaders.bs")));
var allStats = log.GetStatistics().ToList();
Assert.AreEqual(1, allStats.Count);
Assert.AreEqual(1UL, allStats[0].CommitNumber);
Assert.AreEqual(timestamp, allStats[0].CommitTime);
Assert.AreEqual(0UL, allStats[0].TripleCount);
Assert.AreEqual(0, allStats[0].PredicateTripleCounts.Count);
}