private static void FiddleWithPropertiesAsFakeDbDataAdapter(FakeDbDataAdapter adapter)
{
{
FakeDbCommand cmd = (FakeDbCommand)adapter.SelectCommand;
adapter.SelectCommand = null;
adapter.SelectCommand = cmd;
}
{
FakeDbCommand cmd = (FakeDbCommand)adapter.InsertCommand;
adapter.InsertCommand = null;
adapter.InsertCommand = cmd;
}
{
FakeDbCommand cmd = (FakeDbCommand)adapter.DeleteCommand;
adapter.DeleteCommand = null;
adapter.DeleteCommand = cmd;
}
{
FakeDbCommand cmd = (FakeDbCommand)adapter.UpdateCommand;
adapter.UpdateCommand = null;
adapter.UpdateCommand = cmd;
}
}
public void FakeDbCommandBuilder_should_work()
{
List <TestTable> randomDataSource = RandomDataGenerator.CreateRandomTables(seed: 1234, tableCount: 5, /*allowZeroRowsInTablesByIdx: */ 1, 3);
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
connection.Open();
using (FakeDbDataAdapter adpt = new FakeDbDataAdapter(selectCommand))
using (FakeDbCommandBuilder cmdBuilder = adpt.CreateCommandBuilder())
{
cmdBuilder.DataAdapter.ShouldBe(adpt);
FakeDbCommand deleteCommand1 = cmdBuilder.GetDeleteCommand(); // Same as ` useColumnsForParameterNames: false );`
FakeDbCommand updateCommand1 = cmdBuilder.GetUpdateCommand();
FakeDbCommand insertCommand1 = cmdBuilder.GetInsertCommand();
FakeDbCommand deleteCommand2 = cmdBuilder.GetDeleteCommand(useColumnsForParameterNames: true);
FakeDbCommand updateCommand2 = cmdBuilder.GetUpdateCommand(useColumnsForParameterNames: true);
FakeDbCommand insertCommand2 = cmdBuilder.GetInsertCommand(useColumnsForParameterNames: true);
_ = deleteCommand1.ShouldNotBeNull();
_ = updateCommand1.ShouldNotBeNull();
_ = insertCommand1.ShouldNotBeNull();
_ = deleteCommand2.ShouldNotBeNull();
_ = updateCommand2.ShouldNotBeNull();
_ = insertCommand2.ShouldNotBeNull();
}
}
}
public void FakeDbDataAdapter_properties_should_not_have_infinite_loops_and_stack_overflows()
{
List <TestTable> randomDataSource = RandomDataGenerator.CreateRandomTables(seed: 1, tableCount: 2, /*allowZeroRowsInTablesByIdx: */ 1, 3);
// Test that .Dispose() works (DbDataAdapter clears mutable properties in its disposal method)
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
using (FakeDbDataAdapter adapter = new FakeDbDataAdapter(selectCommand))
{
}
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand1 = connection.CreateCommand(testTables: randomDataSource))
using (FakeDbCommand selectCommand2 = connection.CreateCommand(testTables: randomDataSource))
using (FakeDbDataAdapter adapter = new FakeDbDataAdapter(selectCommand1))
{
using (FakeProxiedDbDataAdapter prox = new FakeProxiedDbDataAdapter(selectCommand1))
{
FiddleWithPropertiesAsFakeProxiedDbDataAdapter(prox);
FiddleWithPropertiesAsFakeDbDataAdapter(prox);
FiddleWithPropertiesAsDbDataAdapter(prox);
FiddleWithPropertiesAsIDbDataAdapter(prox);
}
FiddleWithPropertiesAsFakeDbDataAdapter(adapter);
FiddleWithPropertiesAsDbDataAdapter(adapter);
FiddleWithPropertiesAsIDbDataAdapter(adapter);
}
}
protected TResult DoRunDbDataAdapterSynchronous(Int32 seed, Int32 tableCount)
{
List <TestTable> randomDataSource = RandomDataGenerator.CreateRandomTables(seed: seed, tableCount: tableCount);
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
connection.Open();
using (FakeDbDataAdapter adapter = new FakeDbDataAdapter(selectCommand))
{
return(this.RunDbDataAdapterSynchronous(randomDataSource, adapter));
}
}
}
public async Task Proxy_FillAsync_should_work_identically_to_DbDataReader_Fill()
{
List <TestTable> randomDataSource = RandomDataGenerator.CreateRandomTables(seed: 1234, tableCount: 5, /*allowZeroRowsInTablesByIdx: */ 1, 3);
// Part 1: Use proxy
DataSet dataSetFromProxy;
{
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AwaitAsync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
await connection.OpenAsync();
using (BatchingFakeProxiedDbDataAdapter adpt = new BatchingFakeProxiedDbDataAdapter(selectCommand))
{
dataSetFromProxy = new DataSet();
// `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
Int32 rowsInFirstTable = await adpt.FillAsync(dataSetFromProxy);
rowsInFirstTable.ShouldBe(40);
}
}
}
// Part 2: Use real
DataSet dataSetFromReal;
{
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
connection.Open();
using (FakeDbDataAdapter adpt = new FakeDbDataAdapter(selectCommand))
{
dataSetFromReal = new DataSet();
Int32 rowsInFirstTable = adpt.Fill(dataSetFromReal);
rowsInFirstTable.ShouldBe(40);
}
}
}
// Assert equality:
DataTableMethods.DataSetEquals(dataSetFromProxy, dataSetFromReal, out String diffs).ShouldBeTrue(customMessage: diffs);
}
public void Proxy_FillSchema_should_work_identically_to_FillSchema_SchemaType(SchemaType schemaType)
{
List <TestTable> randomDataSource = RandomDataGenerator.CreateRandomTables(seed: 1234, tableCount: 5, /*allowZeroRowsInTablesByIdx: */ 1, 3);
// Part 1: Use proxy
DataTable[] whatIsThisFromProxy;
DataSet schemaFromProxy;
{
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
connection.Open();
using (BatchingFakeProxiedDbDataAdapter adpt = new BatchingFakeProxiedDbDataAdapter(selectCommand))
{
schemaFromProxy = new DataSet();
whatIsThisFromProxy = adpt.FillSchema(schemaFromProxy, schemaType);
}
}
}
// Part 2: Use real
DataTable[] whatIsThisFromReal;
DataSet schemaFromReal;
{
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
connection.Open();
using (FakeDbDataAdapter adpt = new FakeDbDataAdapter(selectCommand))
{
schemaFromReal = new DataSet();
whatIsThisFromReal = adpt.FillSchema(schemaFromReal, schemaType);
}
}
}
// Assert equality:
DataTableMethods.DataSetEquals(schemaFromProxy, schemaFromReal, out String diffs).ShouldBeTrue(customMessage: diffs);
}
protected override DataSet RunDbDataAdapterSynchronous(List <TestTable> randomDataSource, FakeDbDataAdapter adapter)
{
DataSet dataSet = new DataSet();
Int32 rowsInFirstTable = adapter.Fill2(dataSet, srcTable: "Foobar");
rowsInFirstTable.ShouldBe(40);
return(dataSet);
}
protected override DataSet RunDbDataAdapterSynchronous(List <TestTable> randomDataSource, FakeDbDataAdapter adapter)
{
DataSet dataSet = new DataSet();
Int32 rowsInFirstTable = adapter.Fill3(dataSet, startRecord: 5, maxRecords: 10, srcTable: "Barqux");
rowsInFirstTable.ShouldBe(10);
return(dataSet);
}
// TODO: Variations of `UpdateNTest` that use custom Table/Column Mappings.
// This is documented here: https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/dataadapter-datatable-and-datacolumn-mappings
// This would then cover the `Table`, `Table1`, etc. naming issues.
protected override U1Pair RunDbDataAdapterSynchronous(List <TestTable> randomDataSource, FakeDbDataAdapter adapter)
{
using (FakeDbCommandBuilder cmdBuilder = adapter.CreateCommandBuilder())
{
DataSet dataSet = new DataSet();
// `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
Int32 rowsInFirstTable = adapter.Fill(dataSet);
rowsInFirstTable.ShouldBe(40);
//
Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataSet(dataSet);
List <(String tableName, String command)> executedCommands = new List <(string tableName, string command)>();
//
adapter.UpdateCommand = cmdBuilder.GetUpdateCommand();
adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => DataTableMethods.GetUpdateStatementNonQueryResultRowCountValue(expectedTableName: "TODO", adapter, dataSet, cmd, rowsModified, executedCommands);
Int32 updatedRows = adapter.Update1(dataSet); // updatedRows... in first table only?
// updatedRows.ShouldBe( rowsModified );
return(dataSet, rowsModified, updatedRows);
}
}
protected override FS1Pair RunDbDataAdapterSynchronous(List <TestTable> randomDataSource, FakeDbDataAdapter adapter)
{
DataSet dataSet = new DataSet();
DataTable[] schemaTables = adapter.FillSchema1(dataSet, schemaType: this.SchemaType);
return(dataSet, schemaTables);
}
protected override U2Pair RunDbDataAdapterSynchronous(List <TestTable> randomDataSource, FakeDbDataAdapter adapter)
{
using (FakeDbCommandBuilder cmdBuilder = adapter.CreateCommandBuilder())
{
DataTable dataTable = new DataTable();
// `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
Int32 rowsInFirstTable = adapter.Fill(dataTable);
rowsInFirstTable.ShouldBe(40);
//
Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataTable(dataTable);
//
adapter.UpdateCommand = cmdBuilder.GetUpdateCommand();
adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => DataTableMethods.GetUpdateStatementNonQueryResultRowCountValue(expectedTableName: "TODO", adapter, dataTable, cmd, rowsModified);
DataRow[] rows = dataTable.Rows.Cast <DataRow>().ToArray();
Int32 updatedRows = adapter.Update2(rows);
// updatedRows.ShouldBe( rowsModified );
return(rows, rowsModified, updatedRows);
}
}
public void Proxy_Update_should_work_identically_to_Update()
{
List <TestTable> randomDataSource = RandomDataGenerator.CreateRandomTables(seed: 1234, tableCount: 5, /*allowZeroRowsInTablesByIdx: */ 1, 3);
// TODO: Multiple table UPDATE support is... complicated: https://stackoverflow.com/questions/16218856/how-to-update-two-tables-with-one-dataset
// Part 1: Use proxy
DataSet dataSetFromProxy;
{
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
connection.Open();
using (BatchingFakeProxiedDbDataAdapter adapter = new BatchingFakeProxiedDbDataAdapter(selectCommand))
using (FakeDbCommandBuilder cmdBuilder = new FakeDbCommandBuilder(adapter))
{
dataSetFromProxy = new DataSet();
// `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
Int32 rowsInFirstTable = adapter.Fill(dataSetFromProxy);
rowsInFirstTable.ShouldBe(40);
//
Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataSet(dataSetFromProxy);
//
adapter.UpdateCommand = cmdBuilder.GetUpdateCommand();
adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => DataTableMethods.GetUpdateStatementNonQueryResultRowCountValue(expectedTableName: "TODO", adapter, dataSetFromProxy, cmd, rowsModified);
Int32 updatedRows = adapter.Update(dataSetFromProxy); // updatedRows... in first table only?
// updatedRows.ShouldBe( rowsModified );
}
}
}
// Part 2: Use real
DataSet dataSetFromReal;
{
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
connection.Open();
using (FakeDbDataAdapter adapter = new FakeDbDataAdapter(selectCommand))
using (FakeDbCommandBuilder cmdBuilder = adapter.CreateCommandBuilder())
{
dataSetFromReal = new DataSet();
// `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
Int32 rowsInFirstTable = adapter.Fill(dataSetFromReal);
rowsInFirstTable.ShouldBe(40);
//
Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataSet(dataSetFromReal);
//
adapter.UpdateCommand = cmdBuilder.GetUpdateCommand();
adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => DataTableMethods.GetUpdateStatementNonQueryResultRowCountValue(expectedTableName: "TODO", adapter, dataSetFromReal, cmd, rowsModified);
Int32 updatedRows = adapter.Update(dataSetFromReal); // updatedRows... in first table only?
// updatedRows.ShouldBe( rowsModified );
}
}
}
// Assert equality:
DataTableMethods.DataSetEquals(dataSetFromProxy, dataSetFromReal, out String diffs).ShouldBeTrue(customMessage: diffs);
}
public async Task Proxy_UpdateAsync_should_work_identically_to_Update()
{
List <TestTable> randomDataSource = RandomDataGenerator.CreateRandomTables(seed: 1234, tableCount: 5, /*allowZeroRowsInTablesByIdx: */ 1, 3);
// Part 1: Use proxy
DataSet dataSetFromProxy;
{
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AwaitAsync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
await connection.OpenAsync();
using (BatchingFakeProxiedDbDataAdapter adapter = new BatchingFakeProxiedDbDataAdapter(selectCommand))
using (DbCommandBuilder cmdBuilder = await adapter.CreateCommandBuilderAsync().ConfigureAwait(false))
{
dataSetFromProxy = new DataSet();
// `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
Int32 rowsInFirstTable = await adapter.FillAsync(dataSetFromProxy);
rowsInFirstTable.ShouldBe(40);
//
Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataSet(dataSetFromProxy);
//
adapter.UpdateCommand = (FakeDbCommand)cmdBuilder.GetUpdateCommand();
adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => 1; // HACK /* DataTableMethods.GetNonQueryResultRowCountValue( dataSetFromProxy, cmd, rowsModified ); */;
//
Int32 updatedRows = await adapter.UpdateAsync(dataSetFromProxy); // updatedRows... in first table only?
// updatedRows.ShouldBe( rowsModified );
}
}
}
// Part 2: Use real
DataSet dataSetFromReal;
{
using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
{
connection.Open();
using (FakeDbDataAdapter adapter = new FakeDbDataAdapter(selectCommand))
using (FakeDbCommandBuilder cmdBuilder = adapter.CreateCommandBuilder())
{
dataSetFromReal = new DataSet();
// `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
Int32 rowsInFirstTable = adapter.Fill(dataSetFromReal);
rowsInFirstTable.ShouldBe(40);
//
Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataSet(dataSetFromReal);
//
adapter.UpdateCommand = cmdBuilder.GetUpdateCommand();
adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => 1; // HACK /* DataTableMethods.GetNonQueryResultRowCountValue( dataSetFromProxy, cmd, rowsModified ); */;
//
Int32 updatedRows = adapter.Update(dataSetFromReal); // updatedRows... in first table only?
// updatedRows.ShouldBe( rowsModified );
}
}
}
// Assert equality:
DataTableMethods.DataSetEquals(dataSetFromProxy, dataSetFromReal, out String diffs).ShouldBeTrue(customMessage: diffs);
}
protected override DataTable RunDbDataAdapterSynchronous(List <TestTable> randomDataSource, FakeDbDataAdapter adapter)
{
DataTable dataTable = new DataTable();
Int32 rowsInFirstTable = adapter.Fill4(dataTable: dataTable);
rowsInFirstTable.ShouldBe(40);
return(dataTable);
}
// When using Fill5 with DataTable[] arrays of length other-than 1, the startRecord and maxRecord values must both be zero.
// See `throw ADP.OnlyOneTableForStartRecordOrMaxRecords();` in the reference-source.
protected override DataTable[] RunDbDataAdapterSynchronous(List <TestTable> randomDataSource, FakeDbDataAdapter adapter)
{
DataTable[] tables = new DataTable[5]
{
new DataTable(tableName: "Foo", tableNamespace: "NS1"),
new DataTable(tableName: "Bar", tableNamespace: "NS1"),
new DataTable(tableName: "Baz", tableNamespace: "NS1"),
new DataTable(tableName: "Qux", tableNamespace: "NS1"),
new DataTable(tableName: "Tux", tableNamespace: "NS1")
};
Int32 rowsInFirstTable = adapter.Fill5(startRecord: 0, maxRecords: 0, dataTables: tables);
rowsInFirstTable.ShouldBe(40);
return(tables);
}
protected abstract TResult RunDbDataAdapterSynchronous(List <TestTable> randomDataSource, FakeDbDataAdapter adapter);
