/// <summary>
/// Second part of the integration test.
/// </summary>
/// <remarks>
/// Due to some issues running 2 Cassandra containers, one after the other,
/// in the same test context, we merge the integration tests to only use one container.
/// My guess, a possible Cassandra driver issue.
/// </remarks>
public static void Run_all_Cassandra_integration_tests_work(CassandraFixture dbContainer)
{
// Arrange
var cnn = dbContainer.CreateDbConnection();
var wcnn = new WrappedConnection(cnn).AssertDatabaseServerType(DBMS.Cassandra);
var db = DatabaseHelperFactory.GetDatabaseHelper(DBMS.Cassandra, wcnn);
string keyspaceName = "my_keyspace_2";
Schema keyspace = new CassandraKeyspace(keyspaceName, CassandraKeyspace.CreateSimpleStrategy(1), wcnn);
// Assert
keyspace.AssertIsNotExists();
keyspace.AssertCreation();
keyspace.AssertExists();
keyspace.AssertIsEmpty();
//Lock & Unlock
//..Applicaiton level: return true if the cluster lock keyspace/table is not present
Assert.True(db.TryAcquireApplicationLock());
wcnn.ExecuteNonQuery("create keyspace cluster_lock with replication = { 'class' : 'SimpleStrategy','replication_factor' : '1' }; ");
Assert.True(db.TryAcquireApplicationLock()); //Still true, table is missing
wcnn.ExecuteNonQuery("create table cluster_lock.lock (locked int, primary key(locked))");
Assert.True(db.TryAcquireApplicationLock()); //Still true, lock is not present
wcnn.ExecuteNonQuery("insert into cluster_lock.lock (locked) values (1) using TTL 3600");
Assert.False(db.TryAcquireApplicationLock());
wcnn.ExecuteNonQuery("drop keyspace cluster_lock");
Assert.True(db.TryAcquireApplicationLock());
Assert.True(db.ReleaseApplicationLock());
Assert.True(db.ReleaseApplicationLock());
db.AssertMetadataTableCreation(keyspaceName, "evolve_change_log")
.AssertMetadataTableLockEx() //..Table level: lock implemented with LWT on evolve metadata table
.AssertSchemaIsDroppableWhenNewSchemaFound(keyspaceName)
.AssertVersionedMigrationSave()
//.AssertVersionedMigrationChecksumUpdate()
.AssertRepeatableMigrationSave();
keyspace.AssertIsNotEmpty();
keyspace.Erase();
keyspace.AssertIsEmpty();
keyspace.Drop();
keyspace.AssertIsNotExists();
db.AssertCloseConnection();
}
protected override void InternalChangeSchema(string toSchemaName)
{
if (toSchemaName.IsNullOrWhiteSpace())
{
WrappedConnection.ExecuteNonQuery("SET database = DEFAULT");
}
else
{
WrappedConnection.ExecuteNonQuery($"SET database = \"{toSchemaName}\"");
}
}
protected override void InternalChangeSchema(string toSchemaName)
{
if (toSchemaName.IsNullOrWhiteSpace())
{
WrappedConnection.ExecuteNonQuery("SELECT set_config('search_path', '', false)");
}
else
{
WrappedConnection.ExecuteNonQuery($"SET search_path = \"{toSchemaName}\"");
}
}
protected override void InternalChangeSchema(string toSchemaName)
{
if (toSchemaName.IsNullOrWhiteSpace())
{
// Hack to switch back to no database selected...
String tempDb = "`" + Guid.NewGuid() + "`";
WrappedConnection.ExecuteNonQuery($"CREATE SCHEMA {tempDb}");
WrappedConnection.ExecuteNonQuery($"USE {tempDb}");
WrappedConnection.ExecuteNonQuery($"DROP SCHEMA {tempDb}");
}
else
{
WrappedConnection.ExecuteNonQuery($"USE `{toSchemaName}`");
}
}
protected override void InternalChangeSchema(string toSchemaName)
{
WrappedConnection.ExecuteNonQuery($"Use {toSchemaName}");
_currentKeyspaceName = toSchemaName;
}
/// <summary>
/// Second part of the integration test.
/// </summary>
/// <remarks>
/// Due to some issues running 2 Cassandra containers, one after the other,
/// in the same test context, we merge the integration tests to only use one container.
/// My guess, a possible Cassandra driver issue.
/// </remarks>
public static void Run_all_Cassandra_integration_tests_work(CassandraFixture cassandraContainer)
{
// Open a connection to Cassandra
var cnn = cassandraContainer.CreateDbConnection();
cnn.Open();
Assert.True(cnn.State == ConnectionState.Open, "Cannot open a connection to Cassandra.");
// Initiate a connection to the database
var wcnn = new WrappedConnection(cnn);
// Validate DBMS.Cassandra
Assert.Equal(DBMS.Cassandra, wcnn.GetDatabaseServerType());
// Init the DatabaseHelper
var db = DatabaseHelperFactory.GetDatabaseHelper(DBMS.Cassandra, wcnn);
// Create schema
string metadataKeyspaceName = "my_keyspace_2";
Schema metadataSchema = new CassandraKeyspace(metadataKeyspaceName, CassandraKeyspace.CreateSimpleStrategy(1), wcnn);
Assert.False(metadataSchema.IsExists(), $"The schema [{metadataKeyspaceName}] should not already exist.");
Assert.True(metadataSchema.Create(), $"Creation of the schema [{metadataKeyspaceName}] failed.");
Assert.True(metadataSchema.IsExists(), $"The schema [{metadataKeyspaceName}] should be created.");
Assert.True(metadataSchema.IsEmpty(), $"The schema [{metadataKeyspaceName}] should be empty.");
var s = db.GetSchema(metadataKeyspaceName);
// Get MetadataTable
string metadataTableName = "evolve_change_log";
var metadata = db.GetMetadataTable(metadataKeyspaceName, metadataTableName);
// Create MetadataTable
Assert.False(metadata.IsExists(), "MetadataTable sould not already exist.");
Assert.True(metadata.CreateIfNotExists(), "MetadataTable creation failed.");
Assert.True(metadata.IsExists(), "MetadataTable sould exist.");
Assert.False(metadata.CreateIfNotExists(), "MetadataTable already exists. Creation should return false.");
Assert.True(metadata.GetAllMigrationMetadata().Count() == 0, "No migration metadata should be found.");
//Lock & Unlock
//..Applicaiton level: return true if the cluster lock keyspace/table is not present
Assert.True(db.TryAcquireApplicationLock());
wcnn.ExecuteNonQuery("create keyspace cluster_lock with replication = { 'class' : 'SimpleStrategy','replication_factor' : '1' }; ");
Assert.True(db.TryAcquireApplicationLock()); //Still true, table is missing
wcnn.ExecuteNonQuery("create table cluster_lock.lock (locked int, primary key(locked))");
Assert.True(db.TryAcquireApplicationLock()); //Still true, lock is not present
wcnn.ExecuteNonQuery("insert into cluster_lock.lock (locked) values (1) using TTL 3600");
Assert.False(db.TryAcquireApplicationLock());
wcnn.ExecuteNonQuery("drop keyspace cluster_lock");
Assert.True(db.TryAcquireApplicationLock());
Assert.True(db.ReleaseApplicationLock());
Assert.True(db.ReleaseApplicationLock());
//..Table level: lock implemented with LWT on evolve metadata table
Assert.True(metadata.TryLock());
Assert.False(metadata.TryLock());
Assert.True(metadata.ReleaseLock());
Assert.False(metadata.ReleaseLock());
// Save NewSchema metadata
metadata.Save(MetadataType.NewSchema, "0", "New schema created.", metadataKeyspaceName);
Assert.True(metadata.CanDropSchema(metadataKeyspaceName), $"[{metadataKeyspaceName}] should be droppable.");
Assert.False(metadata.CanEraseSchema(metadataKeyspaceName), $"[{metadataKeyspaceName}] should not be erasable.");
// Add metadata migration
var migrationScript = new FileMigrationScript(TestContext.Cassandra.EmptyMigrationScriptPath, "1_3_2", "Migration_description");
metadata.SaveMigration(migrationScript, true);
var migrationMetadata = metadata.GetAllMigrationMetadata().FirstOrDefault();
Assert.True(migrationMetadata != null, "One migration metadata should be found.");
Assert.True(migrationMetadata.Version == migrationScript.Version, "Metadata version is not the same.");
Assert.True(migrationMetadata.Checksum == migrationScript.CalculateChecksum(), "Metadata checksum is not the same.");
Assert.True(migrationMetadata.Description == migrationScript.Description, "Metadata descritpion is not the same.");
Assert.True(migrationMetadata.Name == migrationScript.Name, "Metadata name is not the same.");
Assert.True(migrationMetadata.Success == true, "Metadata success is not true.");
Assert.True(migrationMetadata.Id != 0, "Metadata id is not set.");
Assert.True(migrationMetadata.InstalledOn.Date == DateTime.UtcNow.Date, $"Installed date is {migrationMetadata.InstalledOn.Date} whereas UtcNow is {DateTime.UtcNow.Date}.");
// Update checksum
metadata.UpdateChecksum(migrationMetadata.Id, "Hi !");
Assert.Equal("Hi !", metadata.GetAllMigrationMetadata().First().Checksum);
// Assert metadata schema is not empty
Assert.False(metadataSchema.IsEmpty(), $"[{metadataKeyspaceName}] should not be empty.");
// Erase schema
metadataSchema.Erase();
Assert.True(metadataSchema.IsEmpty(), $"The schema [{metadataKeyspaceName}] should be empty.");
Assert.True(metadataSchema.IsExists(), $"The schema [{metadataKeyspaceName}] should exist.");
// Drop schema
metadataSchema.Drop();
Assert.False(metadataSchema.IsExists(), $"The schema [{metadataKeyspaceName}] should not exist.");
}
