public void for_each_migration_script_downgraded_then_any_applied_script_stored_is_removed()
{
_mockMetadataProvider.Setup(m => m.SchemaExists(It.IsAny<string>())).Returns(true);
_mockVersionRepository.Setup(m => m.GetCurrentVersion(It.IsAny<string>())).Returns(new DatabaseVersion(1234, Some.String()));
var migration = new DownMigration(_mockMetadataProvider.Object, _mockVersionRepository.Object, _mockAppliedScriptsRepository.Object, false);
migration.Migrate(SomeScripts, null, null, _mockScriptRunner.Object, Some.String(), Some.String());
_mockAppliedScriptsRepository.Verify(m => m.RemoveAppliedScript(SomeScripts[0].BackwardScript.AsDatabaseVersion(), It.IsAny<string>()), Times.Once);
_mockAppliedScriptsRepository.Verify(m => m.RemoveAppliedScript(SomeScripts[1].BackwardScript.AsDatabaseVersion(), It.IsAny<string>()), Times.Once);
}
public void if_force_is_specified_then_the_subsequent_migration_scripts_will_still_run()
{
_mockMetadataProvider.Setup(m => m.SchemaExists(It.IsAny<string>())).Returns(true);
_mockVersionRepository.Setup(m => m.GetCurrentVersion(It.IsAny<string>())).Returns(new DatabaseVersion(1234, Some.String()));
var migration = new DownMigration(_mockMetadataProvider.Object, _mockVersionRepository.Object, _mockAppliedScriptsRepository.Object, true);
_mockScriptRunner.Setup(m => m.Execute(SomeScripts[1].BackwardScript)).Throws(new SqlPlusException());
Ignore.Exception(() => migration.Migrate(SomeScripts, null, null, _mockScriptRunner.Object, Some.String(), Some.String()));
_mockVersionRepository.Verify(m => m.RemoveVersion(SomeScripts[2].BackwardScript.AsDatabaseVersion(), It.IsAny<string>()), Times.Once);
_mockVersionRepository.Verify(m => m.RemoveVersion(SomeScripts[1].BackwardScript.AsDatabaseVersion(), It.IsAny<string>()), Times.Once);
_mockVersionRepository.Verify(m => m.RemoveVersion(SomeScripts[0].BackwardScript.AsDatabaseVersion(), It.IsAny<string>()), Times.Once);
}
private static void RunMigration(MigrationInfo migrationInfo, DatabaseVersion currentVersion, IEnumerable<Script> initScripts, IEnumerable<Script> upScripts, IEnumerable<Script> downScripts, IEnumerable<Script> termScripts,
IList<IStep> storedSteps, IScriptRunner scriptRunner, IDatabaseMetadataProvider databaseMetadataProvider, IVersionRespository versionRespository, IAppliedScriptsRepository appliedScriptsRepository)
{
var upDownSteps = upScripts.Select(u => new DatabaseStep(u, downScripts.FirstOrDefault(d => d.Version == u.Version))).ToList();
var initTermSteps = initScripts.Select(i => new DatabaseStep(i, termScripts.FirstOrDefault(t => t.Version == i.Version))).ToList();
if (migrationInfo.Direction == MigrationDirection.Down)
{
var downMigration = new DownMigration(databaseMetadataProvider, versionRespository, appliedScriptsRepository, migrationInfo.Forced);
if (storedSteps.Any())
{
Output.Warn("NOTE: Using stored applied scripts to perform downgrade instead of local 'down' scripts.");
downMigration.Migrate(storedSteps, currentVersion, migrationInfo.TargetVersion, scriptRunner, migrationInfo.TargetSchema, migrationInfo.TargetTablespace);
}
else
{
downMigration.Migrate(upDownSteps, currentVersion, migrationInfo.TargetVersion, scriptRunner, migrationInfo.TargetSchema, migrationInfo.TargetTablespace);
}
if (!migrationInfo.TargetVersion.HasValue)
{
var termMigration = new TermMigration(databaseMetadataProvider, migrationInfo.Forced);
termMigration.Migrate(initTermSteps, currentVersion, migrationInfo.TargetVersion, scriptRunner, migrationInfo.TargetSchema, migrationInfo.TargetTablespace);
}
else
{
Output.Info("A target version was provided, termination scripts will not be executed.");
}
}
else
{
var initMigration = new InitMigration(databaseMetadataProvider, migrationInfo.Forced);
initMigration.Migrate(initTermSteps, currentVersion, migrationInfo.TargetVersion, scriptRunner, migrationInfo.TargetSchema, migrationInfo.TargetTablespace);
EnsureVersioningTableIsInitialised(versionRespository, migrationInfo.TargetSchema, migrationInfo.TargetTablespace);
EnsureAppliedScriptsTableIsInitialised(appliedScriptsRepository, migrationInfo.TargetSchema, migrationInfo.TargetTablespace);
var upMigration = new UpMigration(versionRespository, appliedScriptsRepository, migrationInfo.Forced);
upMigration.Migrate(upDownSteps, currentVersion, migrationInfo.TargetVersion, scriptRunner, migrationInfo.TargetSchema, migrationInfo.TargetTablespace);
}
}
public void when_there_are_no_migration_scripts_then_none_are_ever_executed()
{
_mockMetadataProvider.Setup(m => m.SchemaExists(It.IsAny<string>())).Returns(false);
var migration = new DownMigration(_mockMetadataProvider.Object, _mockVersionRepository.Object, _mockAppliedScriptsRepository.Object, false);
migration.Migrate(Enumerable.Empty<IStep>(), null, null, _mockScriptRunner.Object, Some.String(), Some.String());
_mockScriptRunner.Verify(m => m.Execute(It.IsAny<IScript>()), Times.Never);
}
public void when_schema_exists_but_there_are_no_recorded_versions_then_do_not_run_any_migration_scripts()
{
_mockMetadataProvider.Setup(m => m.SchemaExists(It.IsAny<string>())).Returns(true);
_mockVersionRepository.Setup(m => m.GetCurrentVersion(It.IsAny<string>())).Returns((DatabaseVersion)null);
var migration = new DownMigration(_mockMetadataProvider.Object, _mockVersionRepository.Object, _mockAppliedScriptsRepository.Object, false);
migration.Migrate(SomeScripts, null, null, _mockScriptRunner.Object, Some.String(), Some.String());
_mockScriptRunner.Verify(m => m.Execute(It.IsAny<IScript>()), Times.Never);
}
public void when_schema_does_not_exist_then_do_not_run_any_migration_scripts()
{
_mockMetadataProvider.Setup(m => m.SchemaExists(It.IsAny<string>())).Returns(false);
var migration = new DownMigration(_mockMetadataProvider.Object, _mockVersionRepository.Object, _mockAppliedScriptsRepository.Object, false);
migration.Migrate(SomeScripts, null, null, _mockScriptRunner.Object, Some.String(), Some.String());
_mockScriptRunner.Verify(m => m.Execute(It.IsAny<IScript>()), Times.Never);
}
