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/getParentNode.js

@@ -0,0 +1,33 @@
+import chai from 'chai';
+const { expect } = chai;
+import getParentNode from '../../src/utils/getParentNode';
+
+describe('utils/getParentNode', () => {
+  let node;
+
+  beforeEach(() => {
+    node = document.createElement('div');
+  });
+
+  it('should return parent node', () => {
+    const div = document.createElement('div');
+    div.appendChild(node);
+    expect(getParentNode(node)).to.equal(div);
+  });
+
+  it('should stop at html', () => {
+    const html = document.querySelector('html');
+    expect(getParentNode(html)).to.equal(html);
+  });
+
+  it('should go outside shadowRoot if possible', () => {
+    const div = document.createElement('div');
+    let root;
+    if (div.attachShadow) {
+      root = div.attachShadow({ mode: 'open' });
+      root.appendChild(node);
+      expect(getParentNode(node)).to.equal(root);
+      expect(getParentNode(root)).to.equal(div);
+    }
+  });
+});