private void AssertTestItemIsNotSkippedWhenExplorationIsNotExhaustive(TestItem testItem, TestMatrixAttribute matrixAttribute)
{
// Note: because MatrixCombinationCallback is called on the test item after test matrix generation is complete
// we cannot incorporate the callback as a constraint into the pairwise generation.
// Hence we allow callback to return null (i.e. test item is skipped) only for the exhaustive exploration.
ExceptionUtilities.Assert(
testItem != null || matrixAttribute.ExplorationKind == TestMatrixExplorationKind.Exhaustive,
"MatrixCombinationCallback retured null (i.e. skipping test item) - this is only allowed when doing exhaustive test matrix exploration.");
}
private IEnumerable <TAttribute> GenerateTestAttributesFromMatrix <TAttribute>(TestMatrixAttribute matrix, IEnumerable <TestMatrixDimensionAttribute> dimensions, IEnumerable <KeyValuePair <MethodInfo, object> > constraintsInfo)
where TAttribute : TestItemWithParametersAttribute, new()
{
var attributes = new List <TAttribute>();
int currentIdOffset = 0;
TestMatrixExplorationKind explorationKind = this.ExplorationKind.HasValue ? this.ExplorationKind.Value : matrix.ExplorationKind;
foreach (var row in this.GenerateMatrixFromDimensions(dimensions, constraintsInfo, explorationKind))
{
string suffix = " - " + string.Join(" ", row.Select(pair => pair.Key + "=" + pair.Value).ToArray());
int id = matrix.Id;
if (id > 0)
{
id += currentIdOffset++;
}
string name = null;
if (matrix.Name != null)
{
name = matrix.Name + suffix;
}
string description = null;
if (matrix.Description != null)
{
description = matrix.Description + suffix;
}
attributes.Add(new TAttribute()
{
Id = id,
Name = name,
Description = description,
Owner = matrix.Owner,
Parameters = row.Select(pair => pair.Value).ToArray(),
Priority = matrix.Priority,
SkipReason = matrix.SkipReason,
SkipUntil = matrix.SkipUntil,
Timeout = matrix.Timeout,
Version = matrix.Version,
});
}
return(attributes);
}
