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/getScrollParent.js

@@ -0,0 +1,74 @@
+import chai from 'chai';
+const { expect } = chai;
+import getScrollParent from '../../src/utils/getScrollParent';
+
+describe('utils/getOffsetParent', () => {
+  let node;
+
+  beforeEach(() => {
+    node = document.createElement('div');
+  });
+
+  it('element is just appended to the body', () => {
+    document.body.appendChild(node);
+    expect(getScrollParent(node)).to.equal(document.body);
+    document.body.removeChild(node);
+  });
+
+  describe('element is inside scrollable element', () => {
+    let parent;
+
+    beforeEach(() => {
+      parent = document.createElement('div');
+      parent.appendChild(node);
+      document.body.appendChild(parent);
+    });
+
+    afterEach(() => {
+      document.body.removeChild(parent);
+    });
+
+    [
+      { key: 'overflow', value: 'scroll' },
+      { key: 'overflowX', value: 'scroll' },
+      { key: 'overflowY', value: 'scroll' },
+      { key: 'overflow', value: 'auto' },
+      { key: 'overflowX', value: 'auto' },
+      { key: 'overflowY', value: 'auto' },
+    ].forEach(obj => {
+      it(`${obj.key}: ${obj.value}`, () => {
+        parent.style[obj.key] = obj.value;
+        expect(getScrollParent(node)).to.equal(parent);
+      });
+    });
+  });
+
+  describe('element is deep inside scrollable element', () => {
+    let parent;
+
+    beforeEach(() => {
+      parent = document.createElement('div');
+      parent.innerHTML = '<div><div></div></div>';
+      parent.firstChild.firstChild.appendChild(node);
+      document.body.appendChild(parent);
+    });
+
+    afterEach(() => {
+      document.body.removeChild(parent);
+    });
+
+    [
+      { key: 'overflow', value: 'scroll' },
+      { key: 'overflowX', value: 'scroll' },
+      { key: 'overflowY', value: 'scroll' },
+      { key: 'overflow', value: 'auto' },
+      { key: 'overflowX', value: 'auto' },
+      { key: 'overflowY', value: 'auto' },
+    ].forEach(obj => {
+      it(`${obj.key}: ${obj.value}`, () => {
+        parent.style[obj.key] = obj.value;
+        expect(getScrollParent(node)).to.equal(parent);
+      });
+    });
+  });
+});