add Tooltip tests

src/__tests__/Tooltip/Tooltip.test.js

@@ -0,0 +1,36 @@
+import Tooltip from '../../Tooltip/Tooltip'
+
+const icon = document.createElement('div')
+icon.innerHTML = 'icon'
+
+const icons = {
+  icons: icon,
+  length: 1
+}
+
+const props = {
+  top: 0,
+  left: 0,
+  iconSize: 24,
+  mobileIconSize: 50,
+  buttonMargin: 7 * 2,
+  backgroundColor: '#C564A4',
+  icons,
+  arrowSize: 5,
+  isMobile: false
+}
+
+describe('Tooltip', () => {
+  it('should render a desktop tooltip with one icon and one arrow as children', () => {
+    const tooltip = Tooltip(props)
+
+    expect(tooltip.children).toHaveLength(2)
+  })
+
+  it('should render a mobile tooltip without arrow', () => {
+    const tooltip = Tooltip({ ...props, isMobile: true })
+
+    expect(tooltip.children).toHaveLength(1)
+    expect(tooltip.children[0]).toEqual(icon)
+  })
+})