regexper-static/spec/parser/javascript/escape_spec.js
Jeff Avallone 101b457260 Adding ordinal values to escapes
Work still needs to be done to get control characters correct, and
ordinals will need to be added for literals as well. This is in
preparation for reporting incorrectly ordered charset ranges
2014-12-22 12:44:19 -05:00

74 lines
2.6 KiB
JavaScript

import javascript from 'src/js/parser/javascript/parser.js';
import _ from 'lodash';
import Snap from 'snapsvg';
describe('parser/javascript/escape.js', function() {
_.forIn({
'\\b': { label: 'word boundary', ordinal: -1 },
'\\B': { label: 'non-word boundary', ordinal: -1 },
'\\d': { label: 'digit', ordinal: -1 },
'\\D': { label: 'non-digit', ordinal: -1 },
'\\f': { label: 'form feed', ordinal: 0x0c },
'\\n': { label: 'line feed', ordinal: 0x0a },
'\\r': { label: 'carriage return', ordinal: 0x0d },
'\\s': { label: 'white space', ordinal: -1 },
'\\S': { label: 'non-white space', ordinal: -1 },
'\\t': { label: 'tab', ordinal: 0x09 },
'\\v': { label: 'vertical tab', ordinal: 0x0b },
'\\w': { label: 'word', ordinal: -1 },
'\\W': { label: 'non-word', ordinal: -1 },
'\\0': { label: 'null', ordinal: 0 },
'\\1': { label: 'Back reference (group = 1)', ordinal: -1 },
'\\2': { label: 'Back reference (group = 2)', ordinal: -1 },
'\\3': { label: 'Back reference (group = 3)', ordinal: -1 },
'\\4': { label: 'Back reference (group = 4)', ordinal: -1 },
'\\5': { label: 'Back reference (group = 5)', ordinal: -1 },
'\\6': { label: 'Back reference (group = 6)', ordinal: -1 },
'\\7': { label: 'Back reference (group = 7)', ordinal: -1 },
'\\8': { label: 'Back reference (group = 8)', ordinal: -1 },
'\\9': { label: 'Back reference (group = 9)', ordinal: -1 },
'\\012': { label: 'octal: 12', ordinal: 10 },
'\\cx': { label: 'ctrl-x', ordinal: -1 },
'\\xab': { label: '0xAB', ordinal: 0xab },
'\\uabcd': { label: 'U+ABCD', ordinal: 0xabcd }
}, (content, str) => {
it(`parses "${str}" as an Escape`, function() {
var parser = new javascript.Parser(str);
expect(parser.__consume__terminal()).toEqual(jasmine.objectContaining(content));
});
});
describe('#_render', function() {
beforeEach(function() {
var parser = new javascript.Parser('\\b');
this.node = parser.__consume__terminal();
this.node.state = {};
this.svg = Snap(document.createElement('svg'));
this.node.container = this.svg.group();
spyOn(this.node, 'renderLabel').and.callThrough();
});
it('renders a label', function() {
this.node._render();
expect(this.node.renderLabel).toHaveBeenCalledWith('word boundary');
});
it('sets the edge radius of the rect', function(done) {
this.node._render()
.then(label => {
expect(label.select('rect').attr()).toEqual(jasmine.objectContaining({
rx: '3',
ry: '3'
}));
})
.finally(done)
.done();
});
});
});