public void WriteToServerShouldPerformBulkMerge(bool isUpdateOnly)
{
// Arrange
const string tempTableName = "#tmp_bulk";
var bulkInsertService = new Mock <IBulkInsertService <TestClass> >();
var commandService = new Mock <ICommandService <TestClass> >();
var service = new BulkMergeService <TestClass>(bulkInsertService.Object, commandService.Object);
// Act
service.WriteToServer(_records, _mergeKeys, isUpdateOnly);
// Assert Create and Drop Temp table create
Expression <Func <AlterTableStatement <TestClass>, bool> > isCreateTableStatement
= s => s.TableName == tempTableName && s.Type == AlterTableStatement <TestClass> .AlterType.Create;
Expression <Func <AlterTableStatement <TestClass>, bool> > isDropTableStatement
= s => s.TableName == tempTableName && s.Type == AlterTableStatement <TestClass> .AlterType.Drop;
commandService.Verify(m => m.Alter(It.Is(isCreateTableStatement)), Times.Once);
commandService.Verify(m => m.Alter(It.Is(isDropTableStatement)), Times.Once);
// Assert Bulk Insert
bulkInsertService.Verify(m => m.WriteToServer(_records, tempTableName), Times.Once);
// Assert Merge
Expression <Func <MergeStatement <TestClass>, bool> > isMergeStatement = s => s.Keys == _mergeKeys && s.TemporaryTableName == tempTableName;
commandService.Verify(m => m.Merge(It.Is(isMergeStatement)), Times.Once);
bulkInsertService.VerifyNoOtherCalls();
commandService.VerifyNoOtherCalls();
}
public void WriteToServerThrowsArgumentExceptionWhenRecordsIsEmpty()
{
// Arrange
var bulkInsertService = new Mock <IBulkInsertService <TestClass> >().Object;
var commandService = new Mock <ICommandService <TestClass> >().Object;
var service = new BulkMergeService <TestClass>(bulkInsertService, commandService);
// Act and Assert
Assert.Throws <ArgumentException>(
() => service.WriteToServer(new List <TestClass>(), _mergeKeys, true)
);
}