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get-target-size.js
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get-target-size.js
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describe('get-target-size', () => {
const getTargetSize = axe.commons.dom.getTargetSize;
const { queryFixture } = axe.testUtils;
it('returns the bounding rect when unobscured', () => {
const vNode = queryFixture('<button id="target">x</button>');
const rect = getTargetSize(vNode);
assert.deepEqual(rect, vNode.actualNode.getBoundingClientRect());
});
it('returns target size when obscured', () => {
const vNode = queryFixture(`
<button id="target" style="width: 30px; height: 40px; position: absolute; left: 10px; top: 5px">x</button>
<div style="position: absolute; left: 30px; top: 0; width: 50px; height: 50px;"></div>
`);
const rect = getTargetSize(vNode);
assert.deepEqual(rect, new DOMRect(10, 5, 20, 40));
});
it('ignores elements with "pointer-events: none"', () => {
const vNode = queryFixture(`
<button id="target" style="width: 30px; height: 40px; position: absolute; left: 10px; top: 5px">x</button>
<div style="position: absolute; left: 30px; top: 0; width: 50px; height: 50px; pointer-events: none"></div>
`);
const rect = getTargetSize(vNode);
assert.deepEqual(rect, vNode.actualNode.getBoundingClientRect());
});
it("ignores elements that don't overlap the target", () => {
const vNode = queryFixture(`
<button id="target" style="width: 30px; height: 40px; position: absolute; left: 10px; top: 5px">x</button>
<div style="position: absolute; left: 60px; top: 0; width: 50px; height: 50px;"></div>
`);
const rect = getTargetSize(vNode);
assert.deepEqual(rect, vNode.actualNode.getBoundingClientRect());
});
it('returns the largest unobscured area', () => {
const vNode = queryFixture(`
<button id="target" style="width: 30px; height: 40px; position: absolute; left: 10px; top: 5px">x</button>
<div style="position: absolute; left: 30px; top: 0; width: 50px; height: 50px;"></div>
<div style="position: absolute; left: 0px; top: 0px; width: 50px; height: 10px"></div>
`);
const rect = getTargetSize(vNode);
assert.deepEqual(rect, new DOMRect(10, 10, 20, 35));
});
});