public void MutationShouldNotContainOriginalNodesPrefixInDescription()
{
// Arrange
var prefix = new CommentGroupNode("This is a comment.");
var startOfLineNode = new StartOfLineNode()
{
Prefix = prefix
};
var childNodes = new List <RegexNode>
{
startOfLineNode,
new CharacterNode('a'),
new CharacterNode('b'),
new CharacterNode('c')
};
var rootNode = new ConcatenationNode(childNodes);
var target = new AnchorRemovalMutator();
// Act
var result = target.ApplyMutations(startOfLineNode, rootNode);
// Assert
var mutation = result.ShouldHaveSingleItem();
mutation.OriginalNode.ShouldBe(startOfLineNode);
mutation.ReplacementNode.ShouldBeNull();
mutation.ReplacementPattern.ShouldBe("(?#This is a comment.)abc");
mutation.DisplayName.ShouldBe("Regex anchor removal mutation");
mutation.Description.ShouldBe("Anchor \"^\" was removed at offset 22.");
}
public void ReplaceNodeShouldAddOldNodesPrefixAsFirstPrefixIfNewNodeAlreadyHasMultiplePrefixes()
{
// Arrange
var oldNodePrefix = new CommentGroupNode("This is a prefix.");
var oldNode = new TestRegexNode()
{
Prefix = oldNodePrefix
};
var newNodeFirstPrefix = new CommentGroupNode("This is the first prefix of the new node.");
var newNodeSecondPrefix = new CommentGroupNode("This is the second prefix of the new node.")
{
Prefix = newNodeFirstPrefix
};
var newNode = new TestRegexNode()
{
Prefix = newNodeSecondPrefix
};
var target = new ConcatenationNode(oldNode);
// Act
RegexNode result = target.ReplaceNode(oldNode, newNode);
// Assert
var childNode = result.ChildNodes.ShouldHaveSingleItem();
childNode.Prefix.Comment.ShouldBe(newNode.Prefix.Comment);
childNode.Prefix.Prefix.ShouldNotBeNull();
childNode.Prefix.Prefix.Comment.ShouldBe(newNode.Prefix.Prefix.Comment);
childNode.Prefix.Prefix.Prefix.ShouldNotBeNull();
childNode.Prefix.Prefix.Prefix.Comment.ShouldBe(oldNodePrefix.Comment);
}
public void SpanOnCommentGroupShouldStartAfter()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var a = new CharacterNode('a');
var b = new CharacterNode('b')
{
Prefix = comment
};
var concat = new ConcatenationNode(new List <RegexNode> {
a, b
});
// Act
var(commentStart, commentLength) = comment.GetSpan();
var(aStart, aLength) = a.GetSpan();
var(bStart, bLength) = b.GetSpan();
var(concatStart, concatLength) = concat.GetSpan();
// Assert
concatStart.ShouldBe(0);
concatLength.ShouldBe(a.ToString().Length + b.ToString().Length);
aStart.ShouldBe(0);
aLength.ShouldBe(1);
commentStart.ShouldBe(1);
commentLength.ShouldBe(comment.ToString().Length);
bStart.ShouldBe(commentStart + commentLength);
bLength.ShouldBe(1);
}
public void RemoveNodeShouldAddOldNodesPrefixAsPrefixToNextNodesPrefixIfNextNodeAlreadyHasPrefix()
{
// Arrange
var oldNodePrefix = new CommentGroupNode("This is a prefix.");
var oldNode = new TestRegexNode()
{
Prefix = oldNodePrefix
};
var nextNodePrefix = new CommentGroupNode("This is the prefix of the next node.");
var nextNode = new TestRegexNode()
{
Prefix = nextNodePrefix
};
var target = new ConcatenationNode(new List <RegexNode> {
oldNode, nextNode
});
// Act
RegexNode result = target.RemoveNode(oldNode);
// Assert
var remainingNode = result.ChildNodes.ShouldHaveSingleItem();
remainingNode.Prefix.Comment.ShouldBe(nextNode.Prefix.Comment);
remainingNode.Prefix.Prefix.ShouldNotBeNull();
remainingNode.Prefix.Prefix.Comment.ShouldBe(oldNodePrefix.Comment);
}
public void ToStringOnEmptyCommentGroupShouldReturnQuestionMarkHashtagBetweenParentheses()
{
// Arrange
var target = new CommentGroupNode();
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#)");
}
public void ToStringShouldReturnQuestionMarkHashtagCommentBetweenParentheses()
{
// Arrange
var comment = "This is a comment.";
var target = new CommentGroupNode(comment);
// Act
var result = target.ToString();
// Assert
result.ShouldBe($"(?#{comment})");
}
public void GetSpanShouldReturnTupleWithStartEqualToPrefixLengthAndLengthEqualToToStringLength()
{
// Arrange
var target = new CommentGroupNode("This is a comment.");
// Act
var(Start, Length) = target.GetSpan();
// Assert
Start.ShouldBe(0);
Length.ShouldBe(target.ToString().Length);
}
public void ToStringOnEscapeCharacterNodeWithPrefixShouldReturnPrefixBeforeEscapeCharacter()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = EscapeCharacterNode.FromCharacter('a');
target.Prefix = comment;
// Act
var result = target.ToString();
// Assert
result.ShouldBe(@"(?#This is a comment.)\a");
}
public void ToStringOnWordBoundaryNodeWithPrefixShouldReturnCommentBeforeBackslashLowercaseB()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new WordBoundaryNode()
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe(@"(?#This is a comment.)\b");
}
public void ToStringOnModeModifierGroupNodeWithprefixShouldReturnPrefixBeforeModeModifierGroupNode()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new ModeModifierGroupNode("imsnx-imsnx")
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#This is a comment.)(?imsnx-imsnx)");
}
public void AddNodeResultShouldNotHaveReferenceToOriginalPrefix()
{
// Arrange
var prefix = new CommentGroupNode("This is a prefix.");
var target = new TestRegexNode {
Prefix = prefix
};
var newNode = new TestRegexNode();
// Act
RegexNode result = target.AddNode(newNode);
// Assert
result.Prefix.ShouldNotBe(target.Prefix);
}
public void AddNodeShouldCopyPrefix()
{
// Arrange
var prefix = new CommentGroupNode("This is a prefix.");
var target = new TestRegexNode {
Prefix = prefix
};
var newNode = new TestRegexNode();
// Act
RegexNode result = target.AddNode(newNode);
// Assert
result.Prefix.ToString().ShouldBe(target.Prefix.ToString());
}
public void ToStringOnEmptyNodeWithPrefixShouldReturnPrefixToString()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new EmptyNode()
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#This is a comment.)");
}
public void ToStringOnStartOfStringNodeWithPrefixShouldReturnCommentBeforeBackslashUppercaseA()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new StartOfStringNode()
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe(@"(?#This is a comment.)\A");
}
public void ToStringOnNamedGroupNodeWithprefixShouldReturnPrefixBeforeNamedGroupNode()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new NamedGroupNode("name", false)
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#This is a comment.)(?<name>)");
}
public void ToStringOnCommentGroupWithprefixShouldReturnPrefixBeforeCommentGroup()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new CommentGroupNode("This is the target.")
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#This is a comment.)(?#This is the target.)");
}
public void ToStringOnUnicodeCategoryNodeWithPrefixShouldReturnPrefixBeforeUnicodeCategory()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new UnicodeCategoryNode("IsBasicLatin", false)
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe(@"(?#This is a comment.)\p{IsBasicLatin}");
}
public void ToStringOnStartOfLineNodeWithPrefixShouldReturnCommentBeforeCaret()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new StartOfLineNode()
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#This is a comment.)^");
}
public void ToStringOnBackreferenceNodeWithPrefixShouldReturnPrefixBeforeBackreference()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new BackreferenceNode(5)
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe(@"(?#This is a comment.)\5");
}
public void ToStringOnAnyCharacterNodeWithPrefixShouldReturnPrefixBeforeDot()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new AnyCharacterNode()
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#This is a comment.).");
}
public void ToStringOnCharacterClassShorthandNodeWithPrefixShouldReturnPrefixBeforeCharacterClassShorthand()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new CharacterClassShorthandNode('d')
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe(@"(?#This is a comment.)\d");
}
public void SpanLengthOfConcatenationNodeShouldNotIncludeItsOwnPrefix()
{
// Arrange
var prefix = new CommentGroupNode("Comment");
var target = new ConcatenationNode()
{
Prefix = prefix
};
// Act
var(_, Length) = target.GetSpan();
// Assert
Length.ShouldBe(target.ToString().Length - prefix.ToString().Length);
}
public void ToStringOnLookaroundGroupNodeWithprefixShouldReturnPrefixBeforeLookaroundGroupNode()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new LookaroundGroupNode(true, true)
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#This is a comment.)(?=)");
}
public void ToStringOnBalancingGroupWithPrefixShouldReturnPrefixBeforeBalancingGroup()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new BalancingGroupNode("balancedGroup", "currentGroup", false)
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#This is a comment.)(?<currentGroup-balancedGroup>)");
}
public void ToStringOnQuantifierWithPrefixShouldReturnPrefixBeforeOriginalQuantifierAndAfterQuantifiersChildNode()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var characterNode = new CharacterNode('a');
var target = new QuantifierQuestionMarkNode(characterNode)
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("a(?#This is a comment.)?");
}
public void ToStringOnNonCaptureGroupNodeWithprefixShouldReturnPrefixBeforeNonCaptureGroupNode()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var childNode = new CharacterNode('a');
var target = new NonCaptureGroupNode(childNode)
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("(?#This is a comment.)(?:a)");
}
public void GetSpanShouldReturnTupleWithStartEqualToPrefixLengthAndLength1()
{
// Arrange
var comment = new CommentGroupNode("X");
var target = new CharacterNode('a')
{
Prefix = comment
};
// Act
var(Start, Length) = target.GetSpan();
// Assert
Start.ShouldBe(5);
Length.ShouldBe(1);
}
public void SpanShouldStartAfterPrefix()
{
// Arrange
var childNode = new CharacterNode('a');
var prefix = new CommentGroupNode("X");
var target = new QuantifierQuestionMarkNode(childNode)
{
Prefix = prefix
};
// Act
var(Start, Length) = target.GetSpan();
// Assert
Start.ShouldBe(6);
Length.ShouldBe(1);
}
public void ToStringOnLazyNodeWithPrefixShouldReturnPrefixBeforeLazyNodeAndAfterQuantifier()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var characterNode = new CharacterNode('a');
var quantifierNode = new QuantifierStarNode(characterNode);
var target = new LazyNode(quantifierNode)
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe("a*(?#This is a comment.)?");
}
public void ChildNodeShouldStartBeforeQuantifiersPrefix()
{
// Arrange
var target = new CharacterNode('a');
var prefix = new CommentGroupNode("X");
_ = new QuantifierQuestionMarkNode(target)
{
Prefix = prefix
};
// Act
var(Start, Length) = target.GetSpan();
// Assert
Start.ShouldBe(0);
Length.ShouldBe(1);
}
