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balance.js
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balance.js
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var assert = require('assert');
var range = require('../../lib/assets/range');
var utils = require('../../lib/utils/common');
var editor = require('../stubs/editor');
var action = require('../../lib/action/balance');
var cssEditTree = require('../../lib/editTree/css');
function createMatchString(text, rng, caret) {
rng = range(rng);
var result = utils.replaceSubstring(text, '[' + rng.substring(text) + ']', rng);
if (typeof caret != 'undefined' && caret !== null) {
var delta = 0;
if (rng.start < caret) {
delta++;
}
if (rng.end < caret) {
delta++;
}
result = utils.replaceSubstring(result, '|', caret + delta);
}
return result;
}
/**
* A helper assert method to visually compare text ranges
*/
function assertTextRanges(text, actualRange, expectedRange, caretPos) {
var actual = createMatchString(text, actualRange, caretPos);
var expected = createMatchString(text, expectedRange, caretPos);
assert.equal(actual, expected);
}
function compareRange(expected) {
assertTextRanges(editor.getContent(), editor.getSelectionRange(), expected);
}
describe('Balance action', function() {
it('should match HTML tags', function() {
editor.replaceContent('<li>${1:item 1}</li>');
action.balanceInwardAction(editor);
compareRange([0, 15]);
editor.replaceContent('Lorem <a><b>ip${0}sum</b></a> dolor sit amet');
action.balanceOutwardAction(editor);
compareRange([12, 17]);
action.balanceOutwardAction(editor);
compareRange([9, 21]);
action.balanceOutwardAction(editor);
compareRange([6, 25]);
action.balanceInwardAction(editor);
compareRange([9, 21]);
action.balanceInwardAction(editor);
compareRange([12, 17]);
});
it('should match CSS properties outward', function() {
editor.setSyntax('css');
editor.replaceContent('s1{b:c;} s2{\n\ta:b;\n\tc:d$0\n}');
// select value
action.balanceOutwardAction(editor);
compareRange([22, 23]);
// full property
action.balanceOutwardAction(editor);
compareRange([20, 23]);
// actual content
action.balanceOutwardAction(editor);
compareRange([14, 23]);
// braces content
action.balanceOutwardAction(editor);
compareRange([12, 24]);
// full selector
action.balanceOutwardAction(editor);
compareRange([9, 25]);
// no selection change here
action.balanceOutwardAction(editor);
compareRange([9, 25]);
editor.setSyntax('html');
});
it('should match CSS properties inward', function() {
editor.setSyntax('css');
editor.replaceContent('s1{b:c;} s${0}2{\n\ta:b;\n\tc:d\n}');
// full selector
action.balanceInwardAction(editor);
compareRange([9, 25]);
// braces content
action.balanceInwardAction(editor);
compareRange([12, 24]);
// actual content
action.balanceInwardAction(editor);
compareRange([14, 23]);
// full property
action.balanceInwardAction(editor);
compareRange([14, 18]);
// select value
action.balanceInwardAction(editor);
compareRange([16, 17]);
// no selection change here
action.balanceInwardAction(editor);
compareRange([16, 17]);
editor.setSyntax('html');
});
it('should match nested sections outward', function() {
editor.setSyntax('css');
editor.replaceContent('s1{a:b;} s2{ s3${0}{c:d} }');
action.balanceOutwardAction(editor);
compareRange([13, 20]);
action.balanceOutwardAction(editor);
compareRange([12, 21]);
action.balanceOutwardAction(editor);
compareRange([9, 22]);
editor.setSyntax('html');
});
it('should match nested sections inward', function() {
editor.setSyntax('css');
editor.replaceContent('s1 {a:b;} ${0}s2 { .ss, s3[a="b"]{c:d; s5{}} e:f; s4{g:h;} j:k; }');
action.balanceInwardAction(editor);
compareRange([10, 61]);
action.balanceInwardAction(editor);
compareRange([14, 60]);
action.balanceInwardAction(editor);
compareRange([15, 59]);
action.balanceInwardAction(editor);
compareRange([15, 40]);
action.balanceInwardAction(editor);
compareRange([30, 39]);
action.balanceInwardAction(editor);
compareRange([30, 34]);
action.balanceInwardAction(editor);
compareRange([32, 33]);
editor.setSyntax('html');
});
});
describe('Go To Matching Pair action', function() {
it('should work for HTML tags', function() {
editor.replaceContent('Lorem <b>ip${0}sum</b> dolor sit amet');
action.goToMatchingPairAction(editor);
assert.equal(editor.getCaretPos(), 6);
action.goToMatchingPairAction(editor);
assert.equal(editor.getCaretPos(), 14);
action.goToMatchingPairAction(editor);
assert.equal(editor.getCaretPos(), 6);
action.goToMatchingPairAction(editor);
assert.equal(editor.getCaretPos(), 14);
});
});