explicitly focus elements in tests (#147)

tests/spec/010-focus.js

@@ -1,6 +1,7 @@
 import {
   getNthStatus, scrollToStatus, closeDialogButton, modalDialogContents, getActiveElementClass, goBack, getUrl,
-  goBackButton, getActiveElementInnerText, getNthReplyButton, getActiveElementInsideNthStatus
+  goBackButton, getActiveElementInnerText, getNthReplyButton, getActiveElementInsideNthStatus, focus,
+  getNthStatusSelector
 } from '../utils'
 import { foobarRole } from '../roles'
 
@@ -10,6 +11,9 @@ fixture`010-focus.js`
 test('modal preserves focus', async t => {
   await t.useRole(foobarRole)
   await scrollToStatus(t, 9)
+  // explicitly hover-focus-click
+  await t.hover(getNthStatus(9).find('.play-video-button'))
+  await focus(`${getNthStatusSelector(9)} .play-video-button`)()
   await t.click(getNthStatus(9).find('.play-video-button'))
     .click(closeDialogButton)
     .expect(modalDialogContents.exists).notOk()
@@ -19,7 +23,10 @@ test('modal preserves focus', async t => {
 
 test('timeline preserves focus', async t => {
   await t.useRole(foobarRole)
-    .click(getNthStatus(0))
+  // explicitly hover-focus-click
+  await t.hover(getNthStatus(0))
+  await focus(getNthStatusSelector(0))()
+  await t.click(getNthStatus(0))
     .expect(getUrl()).contains('/statuses/')
 
   await goBack()

tests/utils.js

@@ -99,6 +99,14 @@ export const uploadKittenImage = i => (exec(() => {
   }
 }))
 
+export const focus = (selector) => (exec(() => {
+  document.querySelector(selector).focus()
+}, {
+  dependencies: {
+    selector
+  }
+}))
+
 export function getNthMediaAltInput (n) {
   return $(`.compose-box .compose-media:nth-child(${n}) .compose-media-alt input`)
 }
@@ -132,7 +140,11 @@ export function getNthDeleteMediaButton (n) {
 }
 
 export function getNthStatus (n) {
-  return $(`div[aria-hidden="false"] > article[aria-posinset="${n}"]`)
+  return $(getNthStatusSelector(n))
+}
+
+export function getNthStatusSelector (n) {
+  return `div[aria-hidden="false"] > article[aria-posinset="${n}"]`
 }
 
 export function getNthStatusAndImage (nStatus, nImage) {