public void ShouldRemoveContiguousMatchNode()
{
// Arrange
var contiguousMatchNode = new ContiguousMatchNode();
var childNodes = new List <RegexNode>
{
contiguousMatchNode,
new CharacterNode('a'),
new CharacterNode('b'),
new CharacterNode('c')
};
var rootNode = new ConcatenationNode(childNodes);
var target = new AnchorRemovalMutator();
// Act
var result = target.ApplyMutations(contiguousMatchNode, rootNode);
// Assert
var mutation = result.ShouldHaveSingleItem();
mutation.OriginalNode.ShouldBe(contiguousMatchNode);
mutation.ReplacementNode.ShouldBeNull();
mutation.ReplacementPattern.ShouldBe("abc");
mutation.DisplayName.ShouldBe("Regex anchor removal mutation");
mutation.Description.ShouldBe("Anchor \"\\G\" was removed at offset 0.");
}
public void ToStringShouldReturnBackslashUppercaseG()
{
// Arrange
var target = new ContiguousMatchNode();
// Act
var result = target.ToString();
// Assert
result.ShouldBe(@"\G");
}
public void ToStringOnContiguousMatchNodeWithPrefixShouldReturnCommentBeforeBackslashUppercaseG()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new ContiguousMatchNode()
{
Prefix = comment
};
// Act
var result = target.ToString();
var(Start, Length) = target.GetSpan();
Start.ShouldBe(22);
Length.ShouldBe(2);
// Assert
result.ShouldBe(@"(?#This is a comment.)\G");
}