public void TestBuildThrowsInvalidOperationExceptionWhenAParentElementChildIsNull()
{
const string value = "Value_";
const string xmlTag = "name_";
NUnitFilterContainerElementForTest root =
new NUnitFilterContainerElementForTest(null, NUnitElementType.RootFilter);
XmlSerializableElementForTest leafChild =
new XmlSerializableElementForTest(xmlTag + 1, value + 1, NUnitElementType.Test);
leafChild.Parent = root;
Assert.AreSame(root, leafChild.Parent);
Assert.IsNull(root.Child);
const string parentString =
"{NUnitFilterContainerElementForTest: {Type: RootFilter, Parent: Null, Child: Null}}";
Assert.Throws(
Is.TypeOf <InvalidOperationException>().And.Message
.EqualTo($"The parent element's {parentString} child was null." +
" Forward traversal will not proceed properly." +
" This may indicate an error in the construction or parsing of the filter."),
() => NUnitFilter.Build(leafChild));
}
public void TestToXmlStringWithParentNullAndElementTypeNotNotReturnsChildXmlString(
[Values] bool withXmlTag)
{
// Create expected string of xml nodes
const string valueChild = "Value_1";
const string xmlTagChild = "name_1";
XmlSerializableElementForTest child =
new XmlSerializableElementForTest(xmlTagChild, valueChild, NUnitElementType.Test);
string expectedValueChild = NUnitFilterTestHelper.CreateXmlNode(xmlTagChild, valueChild);
// With tag includes parent xml tag, without is just value
string expected = withXmlTag
? NUnitFilterTestHelper.CreateXmlNode(NUnitFilterTestHelper.XmlFilterTag, expectedValueChild)
: expectedValueChild;
NUnitFilterContainerElementForTest element =
new NUnitFilterContainerElementForTest(null, NUnitElementType.RootFilter);
element.SetChild(child);
string actual = element.ToXmlString(withXmlTag);
Assert.AreEqual(expected, actual);
}
