protected override EquivalencyResult OnHandle(Comparands comparands, IEquivalencyValidationContext context, IEquivalencyValidator nestedValidator)
{
var subject = comparands.Subject as DataRow;
var expectation = comparands.Expectation as DataRow;
if (expectation is null)
{
if (subject is not null)
{
AssertionScope.Current.FailWith("Expected {context:DataRow} value to be null, but found {0}", subject);
}
}
else
{
if (subject is null)
{
if (comparands.Subject is null)
{
AssertionScope.Current.FailWith("Expected {context:DataRow} to be non-null, but found null");
}
else
{
AssertionScope.Current.FailWith("Expected {context:DataRow} to be of type {0}, but found {1} instead",
expectation.GetType(), comparands.Subject.GetType());
}
}
else
{
var dataSetConfig = context.Options as DataEquivalencyAssertionOptions <DataSet>;
var dataTableConfig = context.Options as DataEquivalencyAssertionOptions <DataTable>;
var dataRowConfig = context.Options as DataEquivalencyAssertionOptions <DataRow>;
if (dataSetConfig?.AllowMismatchedTypes != true &&
dataTableConfig?.AllowMismatchedTypes != true &&
dataRowConfig?.AllowMismatchedTypes != true)
{
AssertionScope.Current
.ForCondition(subject.GetType() == expectation.GetType())
.FailWith("Expected {context:DataRow} to be of type '{0}'{reason}, but found '{1}'",
expectation.GetType(), subject.GetType());
}
SelectedDataRowMembers selectedMembers = GetMembersFromExpectation(comparands, context.CurrentNode, context.Options);
CompareScalarProperties(subject, expectation, selectedMembers);
CompareFieldValues(context, nestedValidator, subject, expectation, dataSetConfig, dataTableConfig,
dataRowConfig);
}
}
return(EquivalencyResult.AssertionCompleted);
}
private static void CompareScalarProperties(DataRow subject, DataRow expectation, SelectedDataRowMembers selectedMembers)
{
// Note: The members here are listed in the XML documentation for the DataRow.BeEquivalentTo extension
// method in DataRowAssertions.cs. If this ever needs to change, keep them in sync.
if (selectedMembers.HasErrors)
{
AssertionScope.Current
.ForCondition(subject.HasErrors == expectation.HasErrors)
.FailWith("Expected {context:DataRow} to have HasErrors value of '{0}'{reason}, but found '{1}' instead",
expectation.HasErrors, subject.HasErrors);
}
if (selectedMembers.RowState)
{
AssertionScope.Current
.ForCondition(subject.RowState == expectation.RowState)
.FailWith("Expected {context:DataRow} to have RowState value of '{0}'{reason}, but found '{1}' instead",
expectation.RowState, subject.RowState);
}
}
