public void Constructor_should_default_TargetVersion_to_negative_1()
{
// act
var args = new MigrateCommandArgs();
// assert
Assert.AreEqual(-1, args.TargetVersion);
}
protected override void Execute(SeedCommandArgs args)
{
// migrate the schema first
_migrateCommand.Log = this.Log;
var migrateCmdArgs = new MigrateCommandArgs()
{
Connection = args.Connection
};
_migrateCommand.Run(migrateCmdArgs);
// run the seed scripts
_seedCommand.Log = this.Log;
_seedCommand.Run(args);
}
/// <summary>
/// Executes the Command's logic.
/// </summary>
protected override void Execute(DatabaseCommandArguments args)
{
long currentVersion = GetDatabaseVersion();
long previousVersion = GetPreviousDatabaseVersion(currentVersion);
if (previousVersion == -1)
{
Log.WriteLine("No rollback is necessary. Database schema is already at version 0.");
return;
}
_migrateCommand.Log = Log;
var migrateCommandArgs = new MigrateCommandArgs();
migrateCommandArgs.Connection = args.Connection;
migrateCommandArgs.TargetVersion = previousVersion;
_migrateCommand.Run(migrateCommandArgs);
}
public void Setup()
{
_commandArgs = new MigrateCommandArgs();
_commandArgs.Connection = TestConnectionString;
_mockLog = new MockLog1();
_mockMigrationScripts = new List<IMigrationScriptFile>();
_mockMigrationDir = new Mock<IMigrationDirectory>();
_mockMigrationDir.Setup(x => x.GetScripts()).Returns(() => _mockMigrationScripts);
_migrateCommand = new MigrateCommand(_mockMigrationDir.Object);
_migrateCommand.Log = _mockLog;
// setup the mock migration scripts
var mockScript1 = new Mock<IMigrationScriptFile>();
mockScript1.SetupGet(x => x.Version).Returns(1);
mockScript1.Setup(x => x.Read()).Returns(() => new MigrationScriptContents(
@"CREATE TABLE [TestTable] (Id INT NOT NULL)
GO
INSERT INTO [TestTable] (Id) VALUES (1)",
@"DROP TABLE [TestTable]"));
_mockMigrationScripts.Add(mockScript1.Object);
var mockScript2 = new Mock<IMigrationScriptFile>();
mockScript2.SetupGet(x => x.Version).Returns(2);
mockScript2.Setup(x => x.Read()).Returns(() => new MigrationScriptContents(
"INSERT INTO [TestTable] (Id) VALUES (2)",
"DELETE FROM [TestTable] WHERE Id = 2"));
_mockMigrationScripts.Add(mockScript2.Object);
// setup a migration script that throws an exception during Setup, but don't add it to the scripts collection
_mockScriptWithBadSetup = new Mock<IMigrationScriptFile>();
_mockScriptWithBadSetup.SetupGet(x => x.Version).Returns(3);
_mockScriptWithBadSetup.SetupGet(x => x.FilePath).Returns("C:\\3_my_bad_script.sql");
_mockScriptWithBadSetup.Setup(x => x.Read()).Returns(() => new MigrationScriptContents(
"INSERT INTO [NonExistantTable] (Id) VALUES (1)",
null));
// setup a migration script that throws an exception during Teardown, but don't add it to the scripts collection
_mockScriptWithBadTeardown = new Mock<IMigrationScriptFile>();
_mockScriptWithBadTeardown.SetupGet(x => x.Version).Returns(4);
_mockScriptWithBadTeardown.SetupGet(x => x.FilePath).Returns("C:\\4_my_bad_script.sql");
_mockScriptWithBadTeardown.Setup(x => x.Read()).Returns(() => new MigrationScriptContents(
"INSERT INTO [TestTable] (Id) VALUES (4)",
"DELETE FROM [NonExistantTable] WHERE Id = 4"));
CreateDatabase();
}
