/// <summary>
/// The method that gets called when a test is executed
/// </summary>
/// <param name="args">arguments that are passed from the test signature</param>
/// <returns></returns>
public TestMethodInvokerResult Invoke(params object[] args)
{
// Our helper results class to aggregate our test results
// Make sure we dispose it when done to get rid of our XmlTextWriter
using (HelperTestGridResults results = new HelperTestGridResults(this.invokerContext.TestMethodInfo))
{
Assembly testMethodAssembly = this.invokerContext.TestMethodInfo.DeclaringType.Assembly;
// Gets the custom attribute off the method
RowAttribute[] rows = (RowAttribute[])this.invokerContext.TestMethodInfo.GetCustomAttributes(typeof(RowAttribute), false);
IList<RowFilterAttribute> rowFilters = AttributeHelper.GetCustomAttributes<RowFilterAttribute>(this.invokerContext.TestMethodInfo, true);
IList<TestExecutionAttribute> testExecutionAttributes = AttributeHelper.GetCustomAttributes<TestExecutionAttribute>(this.invokerContext.TestMethodInfo, true);
TestExecutionAttribute testExecutionAggregateAttr = TestExecutionAttribute.Aggregate(testExecutionAttributes);
Log.LogWriter logWriter = CreateLogWriter(testExecutionAggregateAttr);
SetExpandedPaths(rows, this.invokerContext);
IEnumerable<DataRowValues> dataRowValuesCollection = GetAllDataRowValues(rows, this.invokerContext, results);
IEnumerable<RowTestContext> inputRowContexts = dataRowValuesCollection.Select(dataRowValues =>
{
object[] valuesArray = results.PrepareRowValues(dataRowValues);
RowTestContext rowTestContext = new RowTestContext(dataRowValues)
{
LogType = testExecutionAggregateAttr.LogType,
LogContentType = testExecutionAggregateAttr.LogContentType,
LogWriter = logWriter,
WriteHeaders = testExecutionAggregateAttr.WriteHeaders,
ValuesArray = valuesArray,
TestExecutionAttributes = testExecutionAttributes
};
PopulateRowSkippedInfo(invokerContext, rowTestContext, rowFilters);
return rowTestContext;
});
IEnumerable<RowTestContext> outputRowContexts;
if (testExecutionAggregateAttr.ExecuteInParallel)
{
ParallelQuery<RowTestContext> query = inputRowContexts.AsParallel().AsOrdered();
if (testExecutionAggregateAttr.MaxDegreeOfParallelism > 0)
{
query = query.WithDegreeOfParallelism(testExecutionAggregateAttr.MaxDegreeOfParallelism);
}
outputRowContexts = query.Select(this.InvokeSingleRow);
}
else
{
outputRowContexts = inputRowContexts.Select(this.InvokeSingleRow);
}
// enumerate row data and invoke the test case with each yield they give us
foreach (RowTestContext rowTestContext in outputRowContexts)
{
// Add results to our aggregator if it is either executed, or skipped but we are showing skipped rows in results
if (!rowTestContext.Ignored || rowTestContext.ShowSkipped)
{
results.AddTestResult(rowTestContext);
}
}
// Return the aggregated results for the row variatons in the TestMethod
return results.GetAllResults();
}
}
