public void TestBackupAndRestore()
{
var driver = GetDriver();
// activate the engine and store the data
_engine = Factory.NewEngine();
_engine.Activate();
_databaseInstance = _engine.SterlingDatabase.RegisterDatabase<TestDatabaseInstance>( TestContext.TestName, driver);
// test saving and reloading
var expected = TestModel.MakeTestModel();
_databaseInstance.SaveAsync(expected).Wait();
// now back it up
var memStream = new MemoryStream();
byte[] databaseBuffer;
using (var binaryWriter = new BinaryWriter(memStream))
{
_engine.SterlingDatabase.BackupAsync<TestDatabaseInstance>(binaryWriter).Wait();
binaryWriter.Flush();
databaseBuffer = memStream.ToArray();
}
// now purge the database
_databaseInstance.PurgeAsync().Wait();
var actual = _databaseInstance.LoadAsync<TestModel>( expected.Key ).Result;
// confirm the database is gone
Assert.IsNull(actual, "Purge failed, was able to load the test model.");
_databaseInstance = null;
// shut it all down
_engine.Dispose();
_engine = null;
// get a new engine
_engine = Factory.NewEngine();
// activate it and grab the database again
_engine.Activate();
_databaseInstance = _engine.SterlingDatabase.RegisterDatabase<TestDatabaseInstance>(TestContext.TestName, driver);
// restore it
_engine.SterlingDatabase.RestoreAsync<TestDatabaseInstance>(new BinaryReader(new MemoryStream(databaseBuffer))).Wait();
_engine.Dispose();
_engine = null;
// get a new engine
_engine = Factory.NewEngine();
// activate it and grab the database again
_engine.Activate();
_databaseInstance = _engine.SterlingDatabase.RegisterDatabase<TestDatabaseInstance>(TestContext.TestName, driver);
actual = _databaseInstance.LoadAsync<TestModel>(expected.Key).Result;
Assert.IsNotNull(actual, "Load failed.");
Assert.AreEqual(expected.Key, actual.Key, "Load failed: key mismatch.");
Assert.AreEqual(expected.Data, actual.Data, "Load failed: data mismatch.");
Assert.IsNull(actual.Data2, "Load failed: suppressed data property not valid on de-serialize.");
Assert.IsNotNull(actual.SubClass, "Load failed: sub class is null.");
Assert.IsNull(actual.SubClass2, "Load failed: supressed sub class should be null.");
Assert.AreEqual(expected.SubClass.NestedText, actual.SubClass.NestedText,
"Load failed: sub class text mismtach.");
Assert.AreEqual(expected.SubStruct.NestedId, actual.SubStruct.NestedId,
"Load failed: sub struct id mismtach.");
Assert.AreEqual(expected.SubStruct.NestedString, actual.SubStruct.NestedString,
"Load failed: sub class string mismtach.");
}
