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Added tests for toImage and toBlob.

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This commit is contained in:
Austin S 2022-07-21 17:47:34 -07:00
parent c5f24966e2
commit 3fa0e27249
1 changed files with 58 additions and 0 deletions
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58
test/unit/Stage-test.ts
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@ -1301,6 +1301,64 @@ describe('Stage', function () {
compareCanvases(stageCanvas, canvas, 100);
});
it('toImage with large size', async function () {
var stage = addStage();
var layer = new Konva.Layer();
var radius = stage.height() / 2 + 10;
var circle = new Konva.Circle({
x: stage.height() / 2,
y: stage.height() / 2,
fill: 'black',
radius: radius,
});
layer.add(circle);
stage.add(layer);
try{
const img = await stage.toImage({
x: -10,
y: -10,
width: stage.height() + 20,
height: stage.height() + 20,
callback: img => assert.isTrue(img instanceof Image, 'not an image')
});
assert.isTrue(img instanceof Image, 'not an image');
} catch(e){
console.error(e);
assert.fail('error creating image');
}
});
it('toBlob with large size', async function () {
var stage = addStage();
var layer = new Konva.Layer();
var radius = stage.height() / 2 + 10;
var circle = new Konva.Circle({
x: stage.height() / 2,
y: stage.height() / 2,
fill: 'black',
radius: radius,
});
layer.add(circle);
stage.add(layer);
try{
const blob = await stage.toBlob({
x: -10,
y: -10,
width: stage.height() + 20,
height: stage.height() + 20,
callback: blob => assert.isTrue(blob instanceof Blob && blob.size > 0, 'blob is empty')
});
assert.isTrue(blob instanceof Blob && blob.size > 0, 'blob is empty');
} catch(e){
console.error(e);
assert.fail('error creating blob');
}
});
it('check hit graph with stage listening property', function () {
var stage = addStage();
var layer = new Konva.Layer();