private static global::Gherkin.Ast.Step DigestExampleValuesIntoStep(global::Gherkin.Ast.ScenarioOutline @this, string exampleName, int exampleRowIndex, Dictionary <string, string> rowValues, global::Gherkin.Ast.Step outlineStep)
{
string matchEvaluator(Match match)
{
var placeholderKey = match.Groups[1].Value;
if (!rowValues.ContainsKey(placeholderKey))
{
throw new InvalidOperationException($"Examples table did not provide value for `{placeholderKey}`. Scenario outline: `{@this.Name}`. Examples: `{exampleName}`. Row index: {exampleRowIndex}.");
}
var placeholderValue = rowValues[placeholderKey];
return(placeholderValue);
}
var stepText = _placeholderRegex.Replace(outlineStep.Text, matchEvaluator);
var stepArgument = outlineStep.Argument;
if (stepArgument is DataTable)
{
var processedHeaderRow = false;
var digestedRows = new List <TableRow>();
foreach (var row in ((DataTable)stepArgument).Rows)
{
if (!processedHeaderRow)
{
digestedRows.Add(row);
processedHeaderRow = true;
}
else
{
var digestedCells = row.Cells.Select(r => new TableCell(r.Location, _placeholderRegex.Replace(r.Value, matchEvaluator)));
digestedRows.Add(new TableRow(row.Location, digestedCells.ToArray()));
}
}
stepArgument = new DataTable(digestedRows.ToArray());
}
var scenarioStep = new global::Gherkin.Ast.Step(
outlineStep.Location,
outlineStep.Keyword,
stepText,
stepArgument);
return(scenarioStep);
}
private static List <global::Gherkin.Ast.TableCell> GetExampleRow(global::Gherkin.Ast.ScenarioOutline @this, int exampleRowIndex, global::Gherkin.Ast.Examples examples)
{
var exampleRows = examples.TableBody.ToList();
if (!(exampleRowIndex < exampleRows.Count))
{
throw new InvalidOperationException($"Index out of range. Cannot retrieve example row at index `{exampleRowIndex}`. Example: `{examples.Name}`. Scenario outline: `{@this.Name}`.");
}
var exampleRow = exampleRows[exampleRowIndex];
var exampleRowCells = exampleRow.Cells.ToList();
return(exampleRowCells);
}
public static global::Gherkin.Ast.Scenario ApplyExampleRow(
this global::Gherkin.Ast.ScenarioOutline @this,
string exampleName,
int exampleRowIndex)
{
var examples = @this.Examples.FirstOrDefault(e => e.Name == exampleName);
if (examples == null)
{
throw new InvalidOperationException($"Cannot find examples named `{exampleName}` in scenario outline `{@this.Name}`.");
}
var exampleRow = GetExampleRow(@this, exampleRowIndex, examples);
var rowValues = GetExampleRowValues(examples, exampleRow);
var scenarioSteps = new List <global::Gherkin.Ast.Step>();
foreach (var outlineStep in @this.Steps)
{
var scenarioStep = DigestExampleValuesIntoStep(
@this,
exampleName,
exampleRowIndex,
rowValues,
outlineStep);
scenarioSteps.Add(scenarioStep);
}
return(new global::Gherkin.Ast.Scenario(
@this.Tags?.ToArray(),
@this.Location,
@this.Keyword,
@this.Name,
@this.Description,
scenarioSteps.ToArray()));
}
private static global::Gherkin.Ast.Step DigestExampleValuesIntoStep(global::Gherkin.Ast.ScenarioOutline @this, string exampleName, int exampleRowIndex, Dictionary <string, string> rowValues, global::Gherkin.Ast.Step outlineStep)
{
var stepText = _placeholderRegex.Replace(outlineStep.Text,
match =>
{
var placeholderKey = match.Groups[1].Value;
if (!rowValues.ContainsKey(placeholderKey))
{
throw new InvalidOperationException($"Examples table did not provide value for `{placeholderKey}`. Scenario outline: `{@this.Name}`. Examples: `{exampleName}`. Row index: {exampleRowIndex}.");
}
var placeholderValue = rowValues[placeholderKey];
return(placeholderValue);
});
var scenarioStep = new global::Gherkin.Ast.Step(
outlineStep.Location,
outlineStep.Keyword,
stepText,
outlineStep.Argument);
return(scenarioStep);
}
