142 lines
3.9 KiB
JavaScript
142 lines
3.9 KiB
JavaScript
import Parser from 'src/js/parser/javascript.js';
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import regexpParser from 'src/js/parser/javascript/grammar.peg';
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import Snap from 'snapsvg';
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import Q from 'q';
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describe('parser/javascript.js', function() {
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beforeEach(function() {
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this.parser = new Parser();
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});
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describe('#parse', function() {
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beforeEach(function() {
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spyOn(regexpParser, 'parse');
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});
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it('parses the expression', function(done) {
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this.parser.parse('example expression')
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.then(() => {
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expect(regexpParser.parse).toHaveBeenCalledWith('example expression');
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}, fail)
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.finally(done)
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.done();
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});
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it('replaces newlines with "\\n"', function(done) {
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this.parser.parse('multiline\nexpression')
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.then(() => {
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expect(regexpParser.parse).toHaveBeenCalledWith('multiline\\nexpression');
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}, fail)
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.finally(done)
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.done();
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});
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it('resolves the returned promise with the parser instance', function(done) {
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this.parser.parse('example expression')
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.then(result => {
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expect(result).toEqual(this.parser);
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}, fail)
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.finally(done)
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.done();
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});
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it('rejects the returned promise with the exception thrown', function(done) {
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this.parser.parse('/example')
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.then(null, result => {
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expect(result).toBeDefined();
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}, fail)
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.finally(done)
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.done();
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});
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});
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describe('#render', function() {
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beforeEach(function() {
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this.renderPromise = Q.defer();
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this.parser.parsed = jasmine.createSpyObj('parsed', ['render']);
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this.parser.parsed.render.and.returnValue(this.renderPromise.promise);
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this.svgBase = '<svg xmlns="http://www.w3.org/2000/svg" version="1.1"></svt>';
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this.svgContainer = document.createElement('div');
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});
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it('creates the SVG element', function() {
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var svg;
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this.parser.render(this.svgContainer, this.svgBase);
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svg = this.svgContainer.querySelector('svg');
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expect(svg.getAttribute('xmlns')).toEqual('http://www.w3.org/2000/svg');
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expect(svg.getAttribute('version')).toEqual('1.1');
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});
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it('render the parsed expression', function() {
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this.parser.render(this.svgContainer, this.svgBase);
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expect(this.parser.parsed.render).toHaveBeenCalled();
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});
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describe('when rendering is complete', function() {
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beforeEach(function() {
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this.result = jasmine.createSpyObj('result', ['getBBox', 'transform']);
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this.result.getBBox.and.returnValue({
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x: 4,
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y: 2,
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width: 42,
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height: 24
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});
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this.parser.render(this.svgContainer, this.svgBase);
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this.renderPromise.resolve(this.result);
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});
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it('positions the renderd expression', function(done) {
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this.parser.render(this.svgContainer, this.svgBase)
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.then(() => {
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expect(this.result.transform).toHaveBeenCalledWith(Snap.matrix()
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.translate(6, 8));
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}, fail)
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.finally(done)
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.done();
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});
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it('sets the dimensions of the image', function(done) {
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this.parser.render(this.svgContainer, this.svgBase)
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.then(() => {
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var svg = this.svgContainer.querySelector('svg');
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expect(svg.getAttribute('width')).toEqual('62');
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expect(svg.getAttribute('height')).toEqual('44');
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}, fail)
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.finally(done)
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.done();
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});
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});
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});
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describe('#cancel', function() {
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it('sets the cancelRender state to true', function() {
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this.parser.cancel();
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expect(this.parser.state.cancelRender).toEqual(true);
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});
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});
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describe('warnings property', function() {
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it('returns the content of the warnings state variable', function() {
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this.parser.state.warnings.push('example');
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expect(this.parser.warnings).toEqual(['example']);
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});
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});
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});
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