| public Migrate ( DatabaseLayout directoryLayout, DatabaseLayout migrationLayout, ProgressReporter progressMonitor, string versionToMigrateFrom, string versionToMigrateTo ) : void | ||
| directoryLayout | DatabaseLayout | |
| migrationLayout | DatabaseLayout | |
| progressMonitor | ProgressReporter | |
| versionToMigrateFrom | string | |
| versionToMigrateTo | string | |
| return | void | |
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldBeAbleToMigrateWithoutErrors() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldBeAbleToMigrateWithoutErrors()
{
// GIVEN a legacy database
DatabaseLayout databaseLayout = _directory.databaseLayout();
File prepare = _directory.directory("prepare");
MigrationTestUtils.prepareSampleLegacyDatabase(Version, _fs, databaseLayout.DatabaseDirectory(), prepare);
AssertableLogProvider logProvider = new AssertableLogProvider(true);
LogService logService = new SimpleLogService(logProvider, logProvider);
PageCache pageCache = _pageCacheRule.getPageCache(_fs);
LogTailScanner tailScanner = GetTailScanner(databaseLayout.DatabaseDirectory());
UpgradableDatabase upgradableDatabase = GetUpgradableDatabase(pageCache, tailScanner);
string versionToMigrateFrom = upgradableDatabase.CheckUpgradable(databaseLayout).storeVersion();
SilentMigrationProgressMonitor progressMonitor = new SilentMigrationProgressMonitor();
StoreMigrator migrator = new StoreMigrator(_fs, pageCache, _config, logService, _jobScheduler);
CountsMigrator countsMigrator = new CountsMigrator(_fs, pageCache, _config);
DatabaseLayout migrationLayout = _directory.databaseLayout(StoreUpgrader.MIGRATION_DIRECTORY);
// WHEN migrating
migrator.Migrate(databaseLayout, migrationLayout, progressMonitor.StartSection("section"), versionToMigrateFrom, upgradableDatabase.CurrentVersion());
countsMigrator.Migrate(databaseLayout, migrationLayout, progressMonitor.StartSection("section"), versionToMigrateFrom, upgradableDatabase.CurrentVersion());
migrator.MoveMigratedFiles(migrationLayout, databaseLayout, versionToMigrateFrom, upgradableDatabase.CurrentVersion());
countsMigrator.MoveMigratedFiles(migrationLayout, databaseLayout, versionToMigrateFrom, upgradableDatabase.CurrentVersion());
// THEN starting the new store should be successful
StoreFactory storeFactory = new StoreFactory(databaseLayout, _config, new DefaultIdGeneratorFactory(_fs), pageCache, _fs, logService.InternalLogProvider, EmptyVersionContextSupplier.EMPTY);
storeFactory.OpenAllNeoStores().close();
logProvider.RawMessageMatcher().assertNotContains("ERROR");
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldBeAbleToResumeMigrationOnRebuildingCounts() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldBeAbleToResumeMigrationOnRebuildingCounts()
{
// GIVEN a legacy database
DatabaseLayout databaseLayout = _directory.databaseLayout();
File prepare = _directory.directory("prepare");
MigrationTestUtils.prepareSampleLegacyDatabase(Version, _fs, databaseLayout.DatabaseDirectory(), prepare);
// and a state of the migration saying that it has done the actual migration
LogService logService = NullLogService.Instance;
PageCache pageCache = _pageCacheRule.getPageCache(_fs);
LogTailScanner tailScanner = GetTailScanner(databaseLayout.DatabaseDirectory());
UpgradableDatabase upgradableDatabase = GetUpgradableDatabase(pageCache, tailScanner);
string versionToMigrateFrom = upgradableDatabase.CheckUpgradable(databaseLayout).storeVersion();
SilentMigrationProgressMonitor progressMonitor = new SilentMigrationProgressMonitor();
StoreMigrator migrator = new StoreMigrator(_fs, pageCache, _config, logService, _jobScheduler);
DatabaseLayout migrationLayout = _directory.databaseLayout(StoreUpgrader.MIGRATION_DIRECTORY);
migrator.Migrate(databaseLayout, migrationLayout, progressMonitor.StartSection("section"), versionToMigrateFrom, upgradableDatabase.CurrentVersion());
// WHEN simulating resuming the migration
progressMonitor = new SilentMigrationProgressMonitor();
CountsMigrator countsMigrator = new CountsMigrator(_fs, pageCache, _config);
countsMigrator.Migrate(databaseLayout, migrationLayout, progressMonitor.StartSection("section"), versionToMigrateFrom, upgradableDatabase.CurrentVersion());
migrator.MoveMigratedFiles(migrationLayout, databaseLayout, versionToMigrateFrom, upgradableDatabase.CurrentVersion());
countsMigrator.MoveMigratedFiles(migrationLayout, databaseLayout, versionToMigrateFrom, upgradableDatabase.CurrentVersion());
// THEN starting the new store should be successful
StoreFactory storeFactory = new StoreFactory(databaseLayout, _config, new DefaultIdGeneratorFactory(_fs), pageCache, _fs, logService.InternalLogProvider, EmptyVersionContextSupplier.EMPTY);
storeFactory.OpenAllNeoStores().close();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotAccidentallyDeleteStoreFilesIfNoMigrationWasRequired() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotAccidentallyDeleteStoreFilesIfNoMigrationWasRequired()
{
// given
CountsMigrator migrator = new CountsMigrator(_fs, null, Config.defaults());
DatabaseLayout sourceLayout = _directory.databaseLayout();
File countsStoreFileA = sourceLayout.CountStoreA();
File countsStoreFileB = sourceLayout.CountStoreB();
_fs.create(countsStoreFileA);
_fs.create(countsStoreFileB);
DatabaseLayout migrationLayout = _directory.databaseLayout("migration");
string versionToMigrateFrom = StoreVersion.STANDARD_V3_2.versionString();
string versionToMigrateTo = StoreVersion.STANDARD_V3_4.versionString();
migrator.Migrate(sourceLayout, migrationLayout, SilentProgressReporter.INSTANCE, versionToMigrateFrom, versionToMigrateTo);
assertEquals("Invalid test assumption: There should not have been migration for those versions", 0, migrationLayout.ListDatabaseFiles((dir, name) => true).Length);
// when
migrator.MoveMigratedFiles(migrationLayout, sourceLayout, versionToMigrateFrom, versionToMigrateTo);
// then
assertTrue(_fs.fileExists(countsStoreFileA));
assertTrue(_fs.fileExists(countsStoreFileB));
}
