bpmn-js/test/spec/ViewerSpec.js

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'use strict';
var TestContainer = require('mocha-test-container-support');
var Viewer = require('../../lib/Viewer');
describe('Viewer', function() {
var container;
beforeEach(function() {
container = TestContainer.get(this);
});
function createViewer(xml, done) {
var viewer = new Viewer({ container: container });
viewer.importXML(xml, function(err, warnings) {
done(err, warnings, viewer);
});
}
it('should import simple process', function(done) {
var xml = require('../fixtures/bpmn/simple.bpmn');
createViewer(xml, done);
});
it('should import empty definitions', function(done) {
var xml = require('../fixtures/bpmn/empty-definitions.bpmn');
createViewer(xml, done);
});
it('should re-import simple process', function(done) {
var xml = require('../fixtures/bpmn/simple.bpmn');
// given
createViewer(xml, function(err, warnings, viewer) {
if (err) {
return done(err);
}
// when
// mimic re-import of same diagram
viewer.importXML(xml, function(err, warnings) {
// then
expect(err).to.not.be.ok;
expect(warnings.length).to.equal(0);
done();
});
});
});
describe('defaults', function() {
it('should use <body> as default parent', function(done) {
var xml = require('../fixtures/bpmn/simple.bpmn');
var viewer = new Viewer();
viewer.importXML(xml, function(err, warnings) {
expect(viewer.container.parentNode).to.equal(document.body);
done(err, warnings);
});
});
});
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describe('import events', function() {
it('should fire <import.*> events', function(done) {
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// given
var viewer = new Viewer({ container: container });
var xml = require('../fixtures/bpmn/empty-definitions.bpmn');
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var events = [];
viewer.on('import.start', function() {
events.push('import.start');
});
viewer.on('import.success', function() {
events.push('import.success');
});
viewer.on('import.error', function() {
events.push('import.error');
});
// when
viewer.importXML(xml, function(err) {
// then
expect(events).to.eql([
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'import.start',
'import.success'
]);
done(err);
});
});
});
describe('overlay support', function() {
it('should allow to add overlays', function(done) {
var xml = require('../fixtures/bpmn/simple.bpmn');
createViewer(xml, function(err, warnings, viewer) {
// when
var overlays = viewer.get('overlays'),
elementRegistry = viewer.get('elementRegistry');
// then
expect(overlays).to.be.defined;
expect(elementRegistry).to.be.defined;
// when
overlays.add('SubProcess_1', {
position: {
bottom: 0,
right: 0
},
html: '<div style="max-width: 50px">YUP GREAT STUFF!</div>'
});
// then
expect(overlays.get({ element: 'SubProcess_1' }).length).to.equal(1);
done(err);
});
});
});
describe('error handling', function() {
function expectMessage(e, expectedMessage) {
expect(e).to.be.defined;
if (expectedMessage instanceof RegExp) {
expect(e.message).to.match(expectedMessage);
} else {
expect(e.message).to.equal(expectedMessage);
}
}
function expectWarnings(warnings, expected) {
expect(warnings.length).to.equal(expected.length);
warnings.forEach(function(w, idx) {
expectMessage(w, expected[idx]);
});
}
it('should handle non-bpmn input', function(done) {
var xml = 'invalid stuff';
createViewer(xml, function(err) {
expect(err).to.be.ok;
expectMessage(err, /Text data outside of root node./);
done();
});
});
it('should handle invalid BPMNPlane#bpmnElement', function(done) {
var xml = require('../fixtures/bpmn/error/di-plane-no-bpmn-element.bpmn');
// when
createViewer(xml, function(err, warnings) {
// then
expect(err).to.not.be.ok;
expectWarnings(warnings, [
'unresolved reference <Collaboration_2>',
'no bpmnElement referenced in <bpmndi:BPMNPlane id="BPMNPlane_1" />',
'correcting missing bpmnElement ' +
'on <bpmndi:BPMNPlane id="BPMNPlane_1" /> ' +
'to <bpmn:Process id="Process_1" />'
]);
done();
});
});
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it('should handle invalid namespaced element', function(done) {
var xml = require('../fixtures/bpmn/error/categoryValue.bpmn');
// when
createViewer(xml, function(err, warnings) {
// then
expect(err).to.not.be.ok;
expectWarnings(warnings, [
/unparsable content <categoryValue> detected/,
'unresolved reference <sid-afd7e63e-916e-4bd0-a9f0-98cbff749193>'
]);
done();
});
});
it('should handle missing namespace', function(done) {
var xml = require('../fixtures/bpmn/error/missing-namespace.bpmn');
// when
createViewer(xml, function(err, warnings) {
// then
expect(err).to.not.be.ok;
expectWarnings(warnings, [
/unparsable content <collaboration> detected/,
'unresolved reference <Participant_1>',
'no bpmnElement referenced in <bpmndi:BPMNPlane id="BPMNPlane_1" />',
'no bpmnElement referenced in <bpmndi:BPMNShape id="BPMNShape_Participant_1" />',
'no process or collaboration present to display'
]);
done();
});
});
});
describe('dependency injection', function() {
it('should be available via di as <bpmnjs>', function(done) {
var xml = require('../fixtures/bpmn/simple.bpmn');
createViewer(xml, function(err, warnings, viewer) {
expect(viewer.get('bpmnjs')).to.equal(viewer);
done(err);
});
});
});
describe('export', function() {
function currentTime() {
return new Date().getTime();
}
function isValid(svg) {
var expectedStart = '<?xml version="1.0" encoding="utf-8"?>';
var expectedEnd = '</svg>';
expect(svg.indexOf(expectedStart)).to.equal(0);
expect(svg.indexOf(expectedEnd)).to.equal(svg.length - expectedEnd.length);
// ensure correct rendering of SVG contents
expect(svg.indexOf('undefined')).to.equal(-1);
// expect header to be written only once
expect(svg.indexOf('<svg width="100%" height="100%">')).to.equal(-1);
expect(svg.indexOf('<g class="viewport"')).to.equal(-1);
// FIXME(nre): make matcher
return true;
}
it('should export svg', function(done) {
// given
var xml = require('../fixtures/bpmn/empty-definitions.bpmn');
createViewer(xml, function(err, warnings, viewer) {
if (err) {
return done(err);
}
// when
viewer.saveSVG(function(err, svg) {
if (err) {
return done(err);
}
// then
expect(isValid(svg)).to.be.true;
done();
});
});
});
it('should export huge svg', function(done) {
// given
var xml = require('../fixtures/bpmn/complex.bpmn');
createViewer(xml, function(err, warnings, viewer) {
if (err) {
return done(err);
}
var time = currentTime();
// when
viewer.saveSVG(function(err, svg) {
if (err) {
return done(err);
}
// then
expect(isValid(svg)).to.be.true;
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// no svg export should not take too long
expect(currentTime() - time).to.be.below(1000);
done();
});
});
});
it('should remove outer-makers on export', function(done) {
// given
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var xml = require('../fixtures/bpmn/simple.bpmn');
function appendTestRect(svgDoc) {
var rect = document.createElementNS(svgDoc.namespaceURI, 'rect');
rect.setAttribute('class', 'outer-bound-marker');
rect.setAttribute('width', 500);
rect.setAttribute('height', 500);
rect.setAttribute('x', 10000);
rect.setAttribute('y', 10000);
svgDoc.appendChild(rect);
}
createViewer(xml, function(err, warnings, viewer) {
if (err) {
return done(err);
}
var svgDoc = viewer.container.childNodes[1].childNodes[1];
appendTestRect(svgDoc);
appendTestRect(svgDoc);
expect(svgDoc.querySelectorAll('.outer-bound-marker')).to.be.defined;
// when
viewer.saveSVG(function(err, svg) {
if (err) {
return done(err);
}
var svgDoc = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
svgDoc.innerHTML = svg;
// then
expect(isValid(svg)).to.be.true;
expect(svgDoc.querySelector('.outer-bound-marker')).to.be.null;
done();
});
});
});
});
describe('creation', function() {
var testModules = [
{ logger: [ 'type', function() { this.called = true; } ] }
];
// given
var xml = require('../fixtures/bpmn/empty-definitions.bpmn');
var viewer;
afterEach(function() {
viewer.destroy();
});
it('should override default modules', function(done) {
// given
viewer = new Viewer({ container: container, modules: testModules });
// when
viewer.importXML(xml, function(err) {
// then
expect(err.message).to.equal('No provider for "bpmnImporter"! (Resolving: bpmnImporter)');
done();
});
});
it('should add module to default modules', function(done) {
// given
viewer = new Viewer({ container: container, additionalModules: testModules });
// when
viewer.importXML(xml, function(err) {
// then
var logger = viewer.get('logger');
expect(logger.called).to.be.true;
done(err);
});
});
it('should use custom size and position', function() {
// when
viewer = new Viewer({
container: container,
width: 200,
height: 100,
position: 'fixed'
});
// then
expect(viewer.container.style.position).to.equal('fixed');
expect(viewer.container.style.width).to.equal('200px');
expect(viewer.container.style.height).to.equal('100px');
});
var camundaPackage = require('../fixtures/json/model/camunda');
it('should provide custom moddle extensions', function(done) {
var xml = require('../fixtures/bpmn/extension/camunda.bpmn');
// given
viewer = new Viewer({
container: container,
moddleExtensions: {
camunda: camundaPackage
}
});
// when
viewer.importXML(xml, function(err, warnings) {
var elementRegistry = viewer.get('elementRegistry');
var taskShape = elementRegistry.get('send'),
sendTask = taskShape.businessObject;
// then
expect(sendTask).to.be.defined;
var extensionElements = sendTask.extensionElements;
// receive task should be moddle extended
expect(sendTask.$instanceOf('camunda:ServiceTaskLike')).to.be.ok;
// extension elements should provide typed element
expect(extensionElements).to.be.ok;
expect(extensionElements.values.length).to.equal(1);
expect(extensionElements.values[0].$instanceOf('camunda:InputOutput')).to.be.ok;
done(err);
});
});
});
describe('#destroy', function() {
it('should remove traces in document tree', function() {
// given
var viewer = new Viewer({
container: container
});
// when
viewer.destroy();
// then
expect(viewer.container.parentNode).to.not.be.ok;
});
});
});