SequenceDiagram/scripts/sequence/VirtualSequenceDiagram_node...

98 lines
2.6 KiB
JavaScript

import Exporter from './exporter/Exporter.mjs';
import Generator from './generator/Generator.mjs';
import Parser from './parser/Parser.mjs';
import Renderer from './renderer/Renderer.mjs';
import VirtualSequenceDiagram from './VirtualSequenceDiagram.mjs';
function getSimplifiedContent(d) {
return (d.dom().outerHTML
.replace(/<g><\/g>/g, '')
.replace(/<defs><\/defs>/g, '')
.replace(' xmlns="http://www.w3.org/2000/svg" version="1.1"', '')
);
}
describe('VirtualSequenceDiagram', () => {
it('contains references to core objects', () => {
expect(VirtualSequenceDiagram.Parser).toBe(Parser);
expect(VirtualSequenceDiagram.Generator).toBe(Generator);
expect(VirtualSequenceDiagram.Renderer).toBe(Renderer);
expect(VirtualSequenceDiagram.Exporter).toBe(Exporter);
});
it('provides default themes', () => {
expect(VirtualSequenceDiagram.themes.length).toBeGreaterThan(1);
});
it('renders empty diagrams without error', () => {
const diagram = new VirtualSequenceDiagram();
diagram.set('');
expect(getSimplifiedContent(diagram)).toEqual(
'<svg viewBox="-5 -5 10 10">' +
'<metadata></metadata>' +
'<defs>' +
'<mask id="FullMask" maskUnits="userSpaceOnUse">' +
'<rect fill="#FFFFFF" height="10" width="10" x="-5" y="-5">' +
'</rect>' +
'</mask>' +
'<mask id="LineMask" maskUnits="userSpaceOnUse">' +
'<rect fill="#FFFFFF" height="10" width="10" x="-5" y="-5">' +
'</rect>' +
'</mask>' +
'</defs>' +
'<g mask="url(#FullMask)">' +
'<g mask="url(#LineMask)"></g>' +
'</g>' +
'</svg>'
);
});
it('re-renders when changed', () => {
const diagram = new VirtualSequenceDiagram('title My title here');
diagram.set('title Another title');
expect(getSimplifiedContent(diagram)).toContain('Another title');
});
it('measures OS fonts correctly on the first render', (done) => {
const code = 'title message';
const sd = new VirtualSequenceDiagram(code);
const widthImmediate = sd.getSize().width;
expect(widthImmediate).toBeNear(91.2, 1e-1);
sd.set(code);
expect(sd.getSize().width).toEqual(widthImmediate);
setTimeout(() => {
sd.set(code);
expect(sd.getSize().width).toEqual(widthImmediate);
done();
}, 500);
});
it('measures embedded fonts correctly on the first render', (done) => {
const code = 'theme sketch\ntitle message';
const sd = new VirtualSequenceDiagram(code);
const widthImmediate = sd.getSize().width;
expect(widthImmediate).toBeNear(78.0, 1e-1);
sd.set(code);
expect(sd.getSize().width).toEqual(widthImmediate);
setTimeout(() => {
sd.set(code);
expect(sd.getSize().width).toEqual(widthImmediate);
done();
}, 500);
});
});