bpmn-js/test/matchers/ConnectionMatchers.js

125 lines
3.1 KiB
JavaScript

'use strict';
var pick = require('min-dash').pick;
var POSITION_ATTRS = [ 'x', 'y' ];
function extractPoints(point) {
return pick(point, POSITION_ATTRS);
}
module.exports = function(chai, utils) {
var Assertion = chai.Assertion;
function inspect(obj) {
return utils.inspect(obj).replace(/\n /g, '');
}
/**
* A simple waypoints matcher, that verifies a connection
* consists of the correct connection points.
*
* Does not take the original docking into account.
*
* @example
*
* expect(connection).to.have.waypoints([ { x: 100, y: 100 }, { x: 0, y: 0 } ]);
*
* @param {Connection|Array<Point>} exp
*/
Assertion.addMethod('waypoints', function(exp) {
var obj = this._obj;
var strippedWaypoints = obj.waypoints.map(extractPoints),
strippedExpectedWaypoints = exp.map(extractPoints);
var matches = utils.eql(strippedWaypoints, strippedExpectedWaypoints);
var strippedWaypointsStr = inspect(strippedWaypoints),
strippedExpectedWaypointsStr = inspect(strippedExpectedWaypoints);
var theAssert = new Assertion(strippedWaypoints);
// transfer negate status
utils.transferFlags(this, theAssert, false);
theAssert.assert(
matches,
'expected <' + obj.id + '#waypoints> ' +
'to equal \n ' + strippedExpectedWaypointsStr +
'\nbut got\n ' + strippedWaypointsStr,
'expected <' + obj.id + '#waypoints> ' +
'not to equal \n ' + strippedExpectedWaypoints
);
});
/**
* A simple waypoints matcher, that verifies a connection
* has the given start docking.
*
* @example
*
* expect(connection).to.have.startDocking({ x: 100, y: 100 });
*
* @param {Point} exp
*/
Assertion.addMethod('startDocking', function(exp) {
var obj = this._obj;
var startPoint = obj.waypoints[0],
startDocking = startPoint && startPoint.original;
var matches = utils.eql(startDocking, exp);
var startDockingStr = inspect(startDocking),
expectedStartDockingStr = inspect(exp);
var theAssert = new Assertion(startDocking);
// transfer negate status
utils.transferFlags(this, theAssert, false);
theAssert.assert(
matches,
'expected <' + obj.id + '> to have startDocking ' +
expectedStartDockingStr + ' but got ' + startDockingStr
);
});
/**
* A simple waypoints matcher, that verifies a connection
* has the given start docking.
*
* @example
*
* expect(connection).to.have.endDocking({ x: 100, y: 100 });
*
* @param {Point} exp
*/
Assertion.addMethod('endDocking', function(exp) {
var obj = this._obj;
var endPoint = obj.waypoints[obj.waypoints.length - 1],
endDocking = endPoint && endPoint.original;
var matches = utils.eql(endDocking, exp);
var endDockingStr = inspect(endDocking),
expectedEndDockingStr = inspect(exp);
var theAssert = new Assertion(endDocking);
// transfer negate status
utils.transferFlags(this, theAssert, false);
theAssert.assert(
matches,
'expected <' + obj.id + '> to have endDocking ' +
expectedEndDockingStr + ' but got ' + endDockingStr
);
});
};