import '_specs.dart';

$(html) {

var body = new BodyElement();

body.innerHtml = html;

return body.nodes;

}

main() {

describe('NodeCursor', () {

var a, b, c, d;

beforeEach(() {

a = $('<a>A</a>')[0];

b = $('<b>B</b>')[0];

c = $('<i>C</i>')[0];

d = $('<span></span>')[0];

d.append(a);

d.append(b);

});

it('should allow single level traversal', () {

var cursor = new NodeCursor([a, b]);

expect(cursor.nodeList(), equals([a]));

expect(cursor.microNext(), equals(true));

expect(cursor.nodeList(), equals([b]));

expect(cursor.microNext(), equals(false));

});

it('should descend and ascend', () {

var cursor = new NodeCursor([d, c]);

expect(cursor.descend(), equals(true));

expect(cursor.nodeList(), equals([a]));

expect(cursor.microNext(), equals(true));

expect(cursor.nodeList(), equals([b]));

expect(cursor.microNext(), equals(false));

cursor.ascend();

expect(cursor.microNext(), equals(true));

expect(cursor.nodeList(), equals([c]));

expect(cursor.microNext(), equals(false));

});

it('should create child cursor upon replace of top level', () {

var parentCursor = new NodeCursor([a]);

var childCursor = parentCursor.replaceWithAnchor('child');

expect(parentCursor.elements.length, equals(1));

expect(STRINGIFY(parentCursor.elements[0]), equals('<!--ANCHOR: child-->'));

expect(childCursor.elements, equals([a]));

var leafCursor = childCursor.replaceWithAnchor('leaf');

expect(childCursor.elements.length, equals(1));

expect(STRINGIFY(childCursor.elements[0]), equals('<!--ANCHOR: leaf-->'));

expect(leafCursor.elements, equals([a]));

});

it('should create child cursor upon replace of mid level', () {

var dom = $('<div><span>text</span></div>');

var parentCursor = new NodeCursor(dom);

parentCursor.descend(); // <span>

var childCursor = parentCursor.replaceWithAnchor('child');

expect(STRINGIFY(dom), equals('[<div><!--ANCHOR: child--></div>]'));

expect(STRINGIFY(childCursor.elements[0]), equals('<span>text</span>'));

});

});

}