public void AddMessageIfNoPreviousVersion()
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
underTest.Migrate(_request, _result);
Assert.Equal("EF Plugin: There were no previous model migrations so nothing needed to rollback.", _result.InfoMessages.Single());
}
public void DoesNotCreateContextIfNoPreviousVersion()
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
underTest.Migrate(_request, _result);
_migratorFactory.Verify(m => m.CreateDbContext(It.IsAny <string>()), Times.Never);
}
public void AddsExecutingMessage(DbAuthType authType)
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
TestConstants.ConfigureRequest(_request, authType);
underTest.Migrate(_request, _result);
Assert.Contains("EF Plugin: Executing rollback", _result.InfoMessages);
}
public void EnsuresCurrentVersionDoesNotExist(DbAuthType authType)
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
TestConstants.ConfigureRequest(_request, authType);
underTest.Migrate(_request, _result);
_repo.Verify(m => m.EnsureDoesNotExist(TestConstants.VerAlias), Times.Once);
}
public void RetrievesPreviousVersion(DbAuthType authType)
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
TestConstants.ConfigureRequest(_request, authType);
underTest.Migrate(_request, _result);
_repo.Verify(m => m.GetTargetMigration(TestConstants.PreviousVersion), Times.Once);
}
public void DisposesContext(DbAuthType authType)
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
TestConstants.ConfigureRequest(_request, authType);
underTest.Migrate(_request, _result);
_context.Verify(m => m.Dispose(), Times.Once);
}
public void AddsMessageMigrationComplete(DbAuthType authType)
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
TestConstants.ConfigureRequest(_request, authType);
const string targetMigration = "target";
_repo.Setup(m => m.GetTargetMigration(TestConstants.PreviousVersion)).Returns(targetMigration);
underTest.Migrate(_request, _result);
Assert.Contains($"EF Plugin: Rolled back schema to migration target '{targetMigration}'", _result.InfoMessages);
}
public void CreatesAndCallsMigrator(DbAuthType authType, string connString)
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
TestConstants.ConfigureRequest(_request, authType);
const string targetMigration = "target";
_repo.Setup(m => m.GetTargetMigration(TestConstants.PreviousVersion)).Returns(targetMigration);
underTest.Migrate(_request, _result);
_migratorFactory.Verify(m => m.CreateMigrator(connString), Times.Once);
_migrator.Verify(m => m.Update(targetMigration), Times.Once);
}
public void SavesChangesAndAddsMessage(DbAuthType authType, bool existed, int existedCnt)
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
TestConstants.ConfigureRequest(_request, authType);
const string targetMigration = "target";
_repo.Setup(m => m.GetTargetMigration(TestConstants.PreviousVersion)).Returns(targetMigration);
_repo.Setup(m => m.EnsureDoesNotExist(TestConstants.VerAlias)).Returns(existed);
underTest.Migrate(_request, _result);
_context.Verify(m => m.SaveChanges(), Times.Exactly(existedCnt));
Assert.Equal(existed, _result.InfoMessages.Contains($"EF Plugin: removed '{targetMigration}' from migration mapping history"));
}
public void CreatesContextBeforeRepo(DbAuthType authType, string connString)
{
var underTest = new RollbackMigrationAction(_migratorFactory.Object);
TestConstants.ConfigureRequest(_request, authType);
var contextCreated = false;
var contextCreatedBeforeRepo = false;
_migratorFactory.Setup(m => m.CreateDbContext(It.IsAny <string>()))
.Callback(() => contextCreated = true);
_migratorFactory.Setup(m => m.CreateMigrationRepository(It.IsAny <IMigrationVersionContext>()))
.Callback(() => contextCreatedBeforeRepo = contextCreated)
.Returns(_repo.Object);
underTest.Migrate(_request, _result);
_migratorFactory.Verify(m => m.CreateDbContext(connString), Times.Once);
Assert.True(contextCreatedBeforeRepo);
}
