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|
// noVNC specific assertions
chai.use(function (_chai, utils) {
function _equal(a, b) {
return a === b;
}
_chai.Assertion.addMethod('displayed', function (targetData, cmp=_equal) {
const obj = this._obj;
const ctx = obj._target.getContext('2d');
const dataCl = ctx.getImageData(0, 0, obj._target.width, obj._target.height).data;
// NB(directxman12): PhantomJS 1.x doesn't implement Uint8ClampedArray, so work around that
const data = new Uint8Array(dataCl);
const len = dataCl.length;
new chai.Assertion(len).to.be.equal(targetData.length, "unexpected display size");
let same = true;
for (let i = 0; i < len; i++) {
if (!cmp(data[i], targetData[i])) {
same = false;
break;
}
}
if (!same) {
// eslint-disable-next-line no-console
console.log("expected data: %o, actual data: %o", targetData, data);
}
this.assert(same,
"expected #{this} to have displayed the image #{exp}, but instead it displayed #{act}",
"expected #{this} not to have displayed the image #{act}",
targetData,
data);
});
_chai.Assertion.addMethod('sent', function (targetData) {
const obj = this._obj;
obj.inspect = () => {
const res = { _websocket: obj._websocket, rQi: obj._rQi, _rQ: new Uint8Array(obj._rQ.buffer, 0, obj._rQlen),
_sQ: new Uint8Array(obj._sQ.buffer, 0, obj._sQlen) };
res.prototype = obj;
return res;
};
const data = obj._websocket._getSentData();
let same = true;
if (data.length != targetData.length) {
same = false;
} else {
for (let i = 0; i < data.length; i++) {
if (data[i] != targetData[i]) {
same = false;
break;
}
}
}
if (!same) {
// eslint-disable-next-line no-console
console.log("expected data: %o, actual data: %o", targetData, data);
}
this.assert(same,
"expected #{this} to have sent the data #{exp}, but it actually sent #{act}",
"expected #{this} not to have sent the data #{act}",
Array.prototype.slice.call(targetData),
Array.prototype.slice.call(data));
});
_chai.Assertion.addProperty('array', function () {
utils.flag(this, 'array', true);
});
_chai.Assertion.overwriteMethod('equal', function (_super) {
return function assertArrayEqual(target) {
if (utils.flag(this, 'array')) {
const obj = this._obj;
let same = true;
if (utils.flag(this, 'deep')) {
for (let i = 0; i < obj.length; i++) {
if (!utils.eql(obj[i], target[i])) {
same = false;
break;
}
}
this.assert(same,
"expected #{this} to have elements deeply equal to #{exp}",
"expected #{this} not to have elements deeply equal to #{exp}",
Array.prototype.slice.call(target));
} else {
for (let i = 0; i < obj.length; i++) {
if (obj[i] != target[i]) {
same = false;
break;
}
}
this.assert(same,
"expected #{this} to have elements equal to #{exp}",
"expected #{this} not to have elements equal to #{exp}",
Array.prototype.slice.call(target));
}
} else {
_super.apply(this, arguments);
}
};
});
});
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