public void Run_all_PostgreSQL_integration_tests_work()
{
// Arrange
var cnn = _dbContainer.CreateDbConnection();
var wcnn = new WrappedConnection(cnn).AssertDatabaseServerType(DBMS.PostgreSQL);
var db = DatabaseHelperFactory.GetDatabaseHelper(DBMS.PostgreSQL, wcnn);
string schemaName = "My metadata schema";
var schema = new PostgreSQLSchema(schemaName, wcnn);
// Assert
schema.AssertIsNotExists();
schema.AssertCreation();
schema.AssertExists();
schema.AssertIsEmpty();
db.AssertDefaultSchemaName("public")
.AssertApplicationLock(_dbContainer.CreateDbConnection())
.AssertMetadataTableCreation(schemaName, "changelog")
.AssertMetadataTableLock()
.AssertSchemaIsDroppableWhenNewSchemaFound(schemaName) // id:1
.AssertVersionedMigrationSave() // id:2
.AssertVersionedMigrationChecksumUpdate()
.AssertRepeatableMigrationSave(); // id:3
schema.AssertIsNotEmpty();
schema.Erase();
schema.AssertIsEmpty();
schema.Drop();
schema.AssertIsNotExists();
db.AssertCloseConnection();
}
public void Run_all_PostgreSQL_integration_tests_work()
{
// Open a connection to the PostgreSQL database
var cnn = new NpgsqlConnection($"Server=127.0.0.1;Port={_pgFixture.HostPort};Database={_pgFixture.DbName};User Id={_pgFixture.DbUser};Password={_pgFixture.DbPwd};");
cnn.Open();
Assert.True(cnn.State == ConnectionState.Open, "Cannot open a connection to the database.");
// Initiate a connection to the database
var wcnn = new WrappedConnection(cnn);
// Validate DBMS.PostgreSQL
Assert.Equal(DBMS.PostgreSQL, wcnn.GetDatabaseServerType());
// Init the DatabaseHelper
DatabaseHelper db = DatabaseHelperFactory.GetDatabaseHelper(DBMS.PostgreSQL, wcnn);
// Test default schema name
Assert.True(db.GetCurrentSchemaName() == "public", "The default PostgreSQL schema should be 'public'.");
// Create schema
string metadataSchemaName = "My metadata schema";
Schema metadataSchema = new PostgreSQLSchema(metadataSchemaName, wcnn);
Assert.False(metadataSchema.IsExists(), $"The schema [{metadataSchemaName}] should not already exist.");
Assert.True(metadataSchema.Create(), $"Creation of the schema [{metadataSchemaName}] failed.");
Assert.True(metadataSchema.IsExists(), $"The schema [{metadataSchemaName}] should be created.");
Assert.True(metadataSchema.IsEmpty(), $"The schema [{metadataSchemaName}] should be empty.");
// Get MetadataTable
string metadataTableName = "changelog";
var metadata = db.GetMetadataTable(metadataSchemaName, 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 MetadataTable
metadata.Lock();
// Save NewSchema metadata
metadata.Save(MetadataType.NewSchema, "0", "New schema created.", metadataSchemaName);
Assert.True(metadata.CanDropSchema(metadataSchemaName), $"[{metadataSchemaName}] should be droppable.");
Assert.False(metadata.CanEraseSchema(metadataSchemaName), $"[{metadataSchemaName}] should not be erasable.");
// Add metadata migration
var migrationScript = new MigrationScript(TestContext.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 not set.");
// Update checksum
metadata.UpdateChecksum(migrationMetadata.Id, "Hi !");
Assert.Equal("Hi !", metadata.GetAllMigrationMetadata().First().Checksum);
// Assert metadata schema is not empty
Assert.False(metadataSchema.IsEmpty(), $"[{metadataSchemaName}] should not be empty.");
// Erase schema
metadataSchema.Erase();
Assert.True(metadataSchema.IsEmpty(), $"The schema [{metadataSchemaName}] should be empty.");
Assert.True(metadataSchema.IsExists(), $"The schema [{metadataSchemaName}] should exist.");
// Drop schema
metadataSchema.Drop();
Assert.False(metadataSchema.IsExists(), $"The schema [{metadataSchemaName}] should not exist.");
// Acquisition du lock applicatif
while (true)
{
if (db.TryAcquireApplicationLock())
{
break;
}
Thread.Sleep(TimeSpan.FromSeconds(1));
}
Assert.True(db.TryAcquireApplicationLock(), "Cannot acquire application lock.");
// Can not acquire lock while it is taken by another connection
var cnn2 = new NpgsqlConnection($"Server=127.0.0.1;Port={_pgFixture.HostPort};Database={_pgFixture.DbName};User Id={_pgFixture.DbUser};Password={_pgFixture.DbPwd};");
var wcnn2 = new WrappedConnection(cnn2);
var db2 = DatabaseHelperFactory.GetDatabaseHelper(DBMS.PostgreSQL, wcnn2);
Assert.False(db2.TryAcquireApplicationLock(), "Application lock could not have been acquired.");
// Release the lock
db.ReleaseApplicationLock();
db.CloseConnection();
Assert.True(db.WrappedConnection.DbConnection.State == ConnectionState.Closed, "SQL connection should be closed.");
}
