public RawTest[] TranslateScenario(Table table)
{
// compact comments before splitting table to prevent comments becoming their own tests
RemoveIntercommentLines(table);
List<Table> tables = table.SplitOn(isDivider);
return tables.ConvertAll(t => TranslateIndividual(t)).ToArray();
}
// todo: inefficient
public void RemoveIntercommentLines(Table table)
{
List<Row> rowsToRemove = new List<Row>();
List<Row> rows = table.Rows;
bool inTest = false;
foreach (var row in rows)
{
if (isComment(row))
{
// keep line
}
else if (row.IsEmpty())
{
if (inTest)
{
// it's a divider - keep it
// end of test
inTest = false;
}
else
{
// empty row, not in test is empty row between comments. ditch it.
rowsToRemove.Add(row);
}
}
else
{
inTest = true;
}
}
rowsToRemove.ForEach(row => table.Rows.Remove(row));
}
/// <summary>
/// Split table into subtables based on predicate (blank rows, for example)
/// </summary>
public List<Table> SplitOn(Predicate<Row> divideOn)
{
var allTables = new List<Table>();
Table currentTable = null;
foreach (Row row in Rows)
{
// end current table?
if (divideOn(row))
{
// note: divider row is discarded here (so far no need to keep the divider, but easy enough to do)
currentTable = null;
continue;
}
// start new table?
if (currentTable == null)
{
currentTable = new Table();
allTables.Add(currentTable);
}
currentTable.AddRow(row);
}
return allTables;
}
private void CorrectForRowIndex(Table table)
{
while (reader.MoveToNextAttribute())
{
if (IsIndexAttribute())
{
table.AddEmptyRows(GetMissingCount(table.RowCount));
}
}
}
private Table ReadTable(TextReader reader)
{
Table table = new Table();
string line;
while ((line = reader.ReadLine()) != null)
{
Row row = ReadRow(line);
table.AddRow(row);
}
return table;
}
public Table ReadTable()
{
reader.MoveToNextElement("Table");
var table = new Table();
while (true)
{
reader.MoveToNextElement();
if (reader.IsStartElement("Row"))
{
ReadRow(table);
}
if (reader.IsEndElement("Table"))
{
return table;
}
}
}
private RawTest[] Interpret(Table table)
{
DelimitedTextTableInterpreter tableInterpreter = new DelimitedTextTableInterpreter();
return tableInterpreter.TranslateScenario(table);
}
private RawTest TranslateIndividual(Table table)
{
int fixtureIndex = 0;
int headersIndex = 1;
List<string> comments = new List<string>();
string title = string.Empty;
List<string> args = new List<string>();
List<string> headers = new List<string>();
List<Row> dataRows = new List<Row>();
List<Row> rows = table.Rows;
for (int i = 0; i < rows.Count; i++)
{
Row currentRow = rows[i];
if (isComment(currentRow))
{
// note: comments are really only expected at the front of the test table
comments.Add(currentRow.Cells[0].Value.Trim());
fixtureIndex++;
headersIndex++;
}
else
{
List<Cell> cells = currentRow.Cells;
AdjustForTestOffset(cells);
if (i == fixtureIndex)
{
// todo: bulletproof the indexing and stuff, provide nice exceptions with nice details
title = cells[0].Value;
args.AddRange(GetArgs(cells));
}
else if (i == headersIndex)
{
headers.AddRange(cells.ConvertAll(input => input.Value));
}
else
{
dataRows.Add(new Row(cells));
}
}
}
RawTest rawTest = new RawTest(title, comments, args, headers, dataRows);
rawTest.Validate();
return rawTest;
}
void ReadRow(Table table)
{
reader.AssertIsStartElement("Row");
bool isEmptyRow = reader.IsEmptyElement;
if (isEmptyRow)
{
table.AddEmptyRow();
}
CorrectForRowIndex(table);
if (! isEmptyRow)
{
var row = new Row();
table.AddRow(row);
ReadRowCells(row);
}
}
