public void TreesAreDifferentReturnsFalseForAddedContent(string content)
{
// Arrange
var factory = SpanFactory.CreateCsHtml();
var blockFactory = new BlockFactory(factory);
var original = new MarkupBlock(
blockFactory.MarkupTagBlock("<p>"),
blockFactory.TagHelperBlock(
tagName: "div",
tagMode: TagMode.StartTagAndEndTag,
start: new SourceLocation(3, 0, 3),
startTag: blockFactory.MarkupTagBlock("<div>"),
children: new SyntaxTreeNode[]
{
factory.Markup($"{Environment.NewLine}{Environment.NewLine}")
},
endTag: blockFactory.MarkupTagBlock("</div>")),
blockFactory.MarkupTagBlock("</p>"));
factory.Reset();
var modified = new MarkupBlock(
blockFactory.MarkupTagBlock("<p>"),
blockFactory.TagHelperBlock(
tagName: "div",
tagMode: TagMode.StartTagAndEndTag,
start: new SourceLocation(3, 0, 3),
startTag: blockFactory.MarkupTagBlock("<div>"),
children: new SyntaxTreeNode[]
{
factory.Markup($"{Environment.NewLine}{content}{Environment.NewLine}")
},
endTag: blockFactory.MarkupTagBlock("</div>")),
blockFactory.MarkupTagBlock("</p>"));
original.LinkNodes();
modified.LinkNodes();
var oldBuffer = new StringTextBuffer($"<p><div>{Environment.NewLine}{Environment.NewLine}</div></p>");
var newBuffer = new StringTextBuffer(
$"<p><div>{Environment.NewLine}{content}{Environment.NewLine}</div></p>");
// Act
var treesAreDifferent = BackgroundParser.TreesAreDifferent(
original,
modified,
new[]
{
new TextChange(
position: 8 + Environment.NewLine.Length,
oldLength: 0,
oldBuffer: oldBuffer,
newLength: content.Length,
newBuffer: newBuffer)
});
// Assert
Assert.False(treesAreDifferent);
}
public void FlattenFlattensStartAndEndTagTagHelpers()
{
// Arrange
var spanFactory = SpanFactory.CreateCsHtml();
var blockFactory = new BlockFactory(spanFactory);
var tagHelper = (TagHelperBlock)blockFactory.TagHelperBlock(
tagName: "div",
tagMode: TagMode.StartTagAndEndTag,
start: SourceLocation.Zero,
startTag: blockFactory.MarkupTagBlock("<div>"),
children: new SyntaxTreeNode[0],
endTag: blockFactory.MarkupTagBlock("</div>"));
spanFactory.Reset();
var expectedStartTag = spanFactory.Markup("<div>");
var expectedEndTag = spanFactory.Markup("</div>");
// Act
var flattenedNodes = tagHelper.Flatten();
// Assert
Assert.Collection(
flattenedNodes,
first =>
{
Assert.True(first.EquivalentTo(expectedStartTag));
},
second =>
{
Assert.True(second.EquivalentTo(expectedEndTag));
});
}
public void FlattenFlattensSelfClosingTagHelpers()
{
// Arrange
var spanFactory = SpanFactory.CreateCsHtml();
var blockFactory = new BlockFactory(spanFactory);
var tagHelper = (TagHelperBlock)blockFactory.TagHelperBlock(
tagName: "input",
tagMode: TagMode.SelfClosing,
start: SourceLocation.Zero,
startTag: blockFactory.MarkupTagBlock("<input />"),
children: new SyntaxTreeNode[0],
endTag: null);
spanFactory.Reset();
var expectedNode = spanFactory.Markup("<input />");
// Act
var flattenedNodes = tagHelper.Flatten();
// Assert
var node = Assert.Single(flattenedNodes);
Assert.True(node.EquivalentTo(expectedNode));
}
