import popper.js

Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>

assets/u/static/popper.js-1.16.0/packages/popper/tests/unit/getOffsetParent.js

@@ -0,0 +1,46 @@
+import chai from 'chai';
+const { expect } = chai;
+import getOffsetParent from '../../src/utils/getOffsetParent';
+
+describe('utils/getOffsetParent', () => {
+  let node;
+
+  beforeEach(() => {
+    node = document.createElement('div');
+    document.body.appendChild(node);
+  });
+
+  afterEach(() => {
+    document.body.removeChild(node);
+  });
+
+  it('element is just appended to the body', () => {
+    expect(getOffsetParent(node)).to.equal(document.querySelector('html'));
+  });
+
+  it('element is inside positioned element', () => {
+    const innerNode = document.createElement('div');
+    node.style.position = 'absolute';
+    node.appendChild(innerNode);
+    expect(getOffsetParent(innerNode)).to.equal(node);
+  });
+
+  it('first child element is hidden', () => {
+    const innerNode = document.createElement('div');
+    innerNode.style.display = 'none';
+    const nextSibling = document.createElement('div');
+    node.style.position = 'absolute';
+    node.appendChild(innerNode);
+    node.appendChild(nextSibling);
+
+    expect(getOffsetParent(innerNode)).to.equal(node);
+  });
+
+  it('all child elements are hidden', () => {
+    const innerNode = document.createElement('div');
+    innerNode.style.display = 'none';
+    node.style.position = 'absolute';
+
+    expect(getOffsetParent(innerNode)).to.equal(document.querySelector('html'));
+  });
+});