accessible-autocomplete - npm Package Compare versions

Comparing version 1.6.2 to 2.0.0

CHANGELOG.md

@@ -5,2 +5,41 @@ # CHANGELOG
 
+We recommend you update to the latest release using npm:
+
+`npm install accessible-autocomplete@latest`
+
+### Breaking changes
+
+You must make the following change when you migrate to this release, or your service may break.
+
+#### Migrate to the new accessible focus state
+
+The focus state [now meets the new WCAG 2.1 level AA requirements](https://designnotes.blog.gov.uk/2019/07/29/weve-made-the-gov-uk-design-system-more-accessible/).
+
+You do not need to do anything if you’re using Sass.
+
+If you’ve previously copied CSS from our code into your project, you must copy all the CSS from our [`accessible-autocomplete.min.css` file](https://github.com/alphagov/accessible-autocomplete/blob/master/dist/accessible-autocomplete.min.css) into your CSS file.
+
+If you’ve created custom CSS, you should check that your component meets WCAG 2.1 level AA requirements. You can [read how we made the GOV.UK Design System focus states accessible](https://design-system.service.gov.uk/get-started/focus-states/).
+
+[Pull request #360: Update focus styles to meet WCAG 2.1 level AA non-text contrast requirements](https://github.com/alphagov/accessible-autocomplete/pull/360).
+
+### Fixes
+
+#### Better compatibility with screen readers
+
+The input field is now visible to all screen readers, because the input field now meets the Accessible Rich Internet Applications (ARIA) 1.0 standard instead of ARIA 1.1. ARIA 1.0 is better supported by the current versions of most screen readers.
+
+Screen readers will now consistently tell users:
+
+- when users have entered too few characters in the input field
+- the correct number of search results, and what the results are
+- which result users have highlighted
+- how to use autocomplete in different screen readers - by reading hidden hint text
+
+Screen readers will also now avoid telling users information they do not need to know after they highlight an option.
+
+Thanks to [Mark Hunter](https://github.com/markhunter27), Chris Moore and everyone at HMRC who worked on these improvements.
+
+[Pull request #355: Refinements to address accessibility issues](https://github.com/alphagov/accessible-autocomplete/pull/355)
+
 ## 1.6.2 - 2018-11-13
@@ -7,0 +46,0 @@

dist/accessible-autocomplete.min.js

@@ -1,2 +0,2 @@
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e,i=this,t=this.props,n=t.cssNamespace,r=t.displayMenu,u=t.id,o=t.minLength,a=t.name,s=t.placeholder,l=t.required,c=t.showAllValues,p=t.tNoResults,f=t.tStatusQueryTooShort,d=t.tStatusNoResults,h=t.tStatusSelectedOption,v=t.tStatusResults,m=t.tAssistiveHint,y=t.dropdownArrow,g=this.state,b=g.focused,O=g.hovered,w=g.menuOpen,x=g.options,_=g.query,S=g.selected,I=g.ariaHint,C=g.validChoiceMade,E=this.hasAutoselect(),M=-1===b,j=0===x.length,A=0!==_.length,P=_.length>=o,k=this.props.showNoOptionsFound&&M&&j&&A&&P,F=n+"__wrapper",R=n+"__input",T=null!==b?" "+R+"--focused":"",L=this.props.showAllValues?" "+R+"--show-all-values":" "+R+"--default",q=n+"__dropdown-arrow-down",N=-1!==b&&null!==b,B=n+"__menu",D=B+"--"+r,V=B+"--"+(w||k?"visible":"hidden"),U=n+"__option",K=n+"__hint",H=this.templateInputValue(x[S]),Q=H&&0===H.toLowerCase().indexOf(_.toLowerCase())&&E?_+H.substr(_.length):"",W=Y&&Q,$=I?{"aria-describedby":"assistiveHint"}:null;return c&&"string"==typeof(e=y({className:q}))&&(e=(0,G.createElement)("div",{className:n+"__dropdown-arrow-down-wrapper",dangerouslySetInnerHTML:{__html:e}})),(0,G.createElement)("div",{className:F,onKeyDown:this.handleKeyDown},(0,G.createElement)(J["default"],{length:x.length,queryLength:_.length,minQueryLength:o,selectedOption:this.templateInputValue(x[S]),selectedOptionIndex:S,validChoiceMade:C,isInFocus:null!==this.state.focused,tQueryTooShort:f,tNoResults:d,tSelectedOption:h,tResults:v}),W&&(0,G.createElement)("span",null,(0,G.createElement)("input",{className:K,readonly:!0,tabIndex:"-1",value:Q})),(0,G.createElement)("input",X({"aria-expanded":w?"true":"false","aria-activedescendant":!!N&&u+"__option--"+b,"aria-owns":u+"__listbox","aria-autocomplete":this.hasAutoselect()?"both":"list"},$,{autoComplete:"off",className:""+R+T+L,id:u,onClick:function(e){return i.handleInputClick(e)},onBlur:this.handleInputBlur},function z(e){return{onChange:e}}(this.handleInputChange),{onFocus:this.handleInputFocus,name:a,placeholder:s,ref:function(e){i.elementReferences[-1]=e},type:"text",role:"combobox",required:l,value:_})),e,(0,G.createElement)("ul",{className:B+" "+D+" "+V,onMouseLeave:function(e){return i.handleListMouseLeave(e)},id:u+"__listbox",role:"listbox"},x.map(function(e,t){var n=(-1===b?S===t:b===t)&&null===O?" "+U+"--focused":"",r=t%2?" "+U+"--odd":"",o=Z()?"<span id="+u+"__option-suffix--"+t+' style="border:0;clip:rect(0 0 0 0);height:1px;marginBottom:-1px;marginRight:-1px;overflow:hidden;padding:0;position:absolute;whiteSpace:nowrap;width:1px"> '+(t+1)+" of "+x.length+"</span>":"";return(0,G.createElement)("li",{"aria-selected":b===t,className:""+U+n+r,dangerouslySetInnerHTML:{__html:i.templateSuggestion(e)+o},id:u+"__option--"+t,key:t,onBlur:function(e){return i.handleOptionBlur(e,t)},onClick:function(e){return i.handleOptionClick(e,t)},onMouseEnter:function(e){return i.handleOptionMouseEnter(e,t)},ref:function(e){i.elementReferences[t]=e},role:"option",tabIndex:"-1","aria-posinset":t+1,"aria-setsize":x.length})}),k&&(0,G.createElement)("li",{className:U+" "+U+"--no-results"},p())),(0,G.createElement)("span",{id:"assistiveHint",style:{display:"none"}},m()))},e}(G.Component);(t["default"]=s).defaultProps={autoselect:!1,cssNamespace:"autocomplete",defaultValue:"",displayMenu:"inline",minLength:0,name:"input-autocomplete",placeholder:"",onConfirm:function(){},confirmOnBlur:!0,showNoOptionsFound:!0,showAllValues:!1,required:!1,tNoResults:function(){return"No results found"},tAssistiveHint:function(){return"When autocomplete results are available use up and down arrows to review and enter to select.  Touch device users, explore by touch or with swipe gestures."},dropdownArrow:r["default"]}},function(e,t,n){var r=n(1);r(r.S+r.F,"Object",{assign:n(36)})},function(e,t,n){e.exports=!n(3)&&!n(4)(function(){return 7!=Object.defineProperty(n(13)("div"),"a",{get:function(){return 7}}).a})},function(e,t,n){var o=n(2);e.exports=function(e,t){if(!o(e))return e;var n,r;if(t&&"function"==typeof(n=e.toString)&&!o(r=n.call(e)))return r;if("function"==typeof(n=e.valueOf)&&!o(r=n.call(e)))return r;if(!t&&"function"==typeof(n=e.toString)&&!o(r=n.call(e)))return r;throw TypeError("Can't convert object to primitive value")}},function(e,t){e.exports=function(e,t){return{enumerable:!(1&e),configurable:!(2&e),writable:!(4&e),value:t}}},function(e,t,n){"use strict";var f=n(18),d=n(40),h=n(41),v=n(27),m=n(10),o=Object.assign;e.exports=!o||n(4)(function(){var e={},t={},n=Symbol(),r="abcdefghijklmnopqrst";return 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"+t}}},function(e,t,n){"use strict";t.__esModule=!0,t["default"]=void 0;var r=n(12),o=function i(e){var t=e.className;return(0,r.createElement)("svg",{version:"1.1",xmlns:"http://www.w3.org/2000/svg",className:t,focusable:"false"},(0,r.createElement)("g",{stroke:"none",fill:"none","fill-rule":"evenodd"},(0,r.createElement)("polygon",{fill:"#000000",points:"0 0 22 0 11 17"})))};t["default"]=o}])});
 //# sourceMappingURL=accessible-autocomplete.react.min.js.map

package.json

 {
   "name": "accessible-autocomplete",
-  "version": "1.6.2",
+  "version": "2.0.0",
   "main": "dist/accessible-autocomplete.min.js",
@@ -71,3 +71,3 @@ "style": "dist/accessible-autocomplete.min.css",
     "mocha": "^5.2.0",
-    "npm-run-all": "^4.1.3",
+    "npm-run-all": "^4.1.5",
     "puppeteer": "^1.10.0",
@@ -74,0 +74,0 @@ "replace-bundle-webpack-plugin": "^1.0.0",

README.md

 # Accessible autocomplete
 
 [![npm version](https://img.shields.io/npm/v/accessible-autocomplete.svg)](http://npm.im/accessible-autocomplete)
-[![Build Status](https://travis-ci.org/alphagov/accessible-autocomplete.svg?branch=master)](https://travis-ci.org/alphagov/accessible-autocomplete)
+[![Build Status](https://travis-ci.com/alphagov/accessible-autocomplete.svg?branch=master)](https://travis-ci.com/alphagov/accessible-autocomplete)
 [![Coverage Status](https://coveralls.io/repos/github/alphagov/accessible-autocomplete/badge.svg?branch=master)](https://coveralls.io/github/alphagov/accessible-autocomplete?branch=master)
 [![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)
-[![Greenkeeper badge](https://badges.greenkeeper.io/alphagov/accessible-autocomplete.svg)](https://greenkeeper.io/)
 [![gzip size](http://img.badgesize.io/https://unpkg.com/accessible-autocomplete/dist/accessible-autocomplete.min.js?compression=gzip)](https://unpkg.com/accessible-autocomplete/dist/accessible-autocomplete.min.js)
@@ -282,3 +281,3 @@
 
-#### `tStatusQueryTooShort` (default: `` (minQueryLength) => `Type in ${minQueryLength} or more characters for results.` ``)
+#### `tStatusQueryTooShort` (default: `` (minQueryLength) => `Type in ${minQueryLength} or more characters for results` ``)
 
@@ -289,3 +288,3 @@ Type: `Function`
 
-#### `tStatusNoResults` (default: `() => 'No search results.'`)
+#### `tStatusNoResults` (default: `() => 'No search results'`)
 
@@ -296,3 +295,3 @@ Type: `Function`
 
-#### `tStatusSelectedOption` (default: `` (selectedOption, length, index) => `${selectedOption} (${index + 1} of ${length}) is selected.` ``)
+#### `tStatusSelectedOption` (default: `` (selectedOption, length, index) => `${selectedOption} ${index + 1} of ${length} is highlighted` ``)
 
@@ -322,2 +321,10 @@ Type: `Function`
 
+#### `tAssistiveHint` (default: `() => 'When autocomplete results are available use up and down arrows to review and enter to select.  Touch device users, explore by touch or with swipe gestures.'`)
+
+Type: `Function`
+
+A function that receives no arguments and should return the text to be assigned as the aria description of the html `input` element, via the `aria-describedby` attribute.
+This text is intended as an initial instruction to the assistive tech user. The `aria-describedby` attribute is automatically removed once user input is detected, in order to reduce screen reader verbosity.
+
+
 ## Progressive enhancement
@@ -324,0 +331,0 @@

src/autocomplete.js

@@ -59,2 +59,3 @@ import { createElement, Component } from 'preact' /** @jsx createElement */
     tNoResults: () => 'No results found',
+    tAssistiveHint: () => 'When autocomplete results are available use up and down arrows to review and enter to select.  Touch device users, explore by touch or with swipe gestures.',
     dropdownArrow: DropdownArrowDown
@@ -75,3 +76,5 @@ }
       query: props.defaultValue,
-      selected: null
+      validChoiceMade: false,
+      selected: null,
+      ariaHint: true
     }
@@ -101,2 +104,6 @@
 
+  isQueryAnOption (query, options) {
+    return options.map(entry => this.templateInputValue(entry).toLowerCase()).indexOf(query.toLowerCase()) !== -1
+  }
+
   componentDidMount () {
@@ -178,3 +185,4 @@ this.pollInputElement()
       query: newQuery,
-      selected: null
+      selected: null,
+      validChoiceMade: this.isQueryAnOption(newQuery, options)
     })
@@ -226,3 +234,6 @@ }
 
-    this.setState({ query })
+    this.setState({
+      query,
+      ariaHint: queryEmpty
+    })
 
@@ -236,3 +247,4 @@ const searchForOptions = showAllValues || (!queryEmpty && queryChanged && queryLongEnough)
           options,
-          selected: (autoselect && optionsAvailable) ? 0 : -1
+          selected: (autoselect && optionsAvailable) ? 0 : -1,
+          validChoiceMade: false
         })
@@ -253,5 +265,11 @@ })
   handleInputFocus (event) {
-    this.setState({
-      focused: -1
-    })
+    const { query, validChoiceMade, options } = this.state
+    const { minLength } = this.props
+    const shouldReopenMenu = !validChoiceMade && query.length >= minLength && options.length > 0
+
+    if (shouldReopenMenu) {
+      this.setState(({ menuOpen }) => ({ focused: -1, menuOpen: shouldReopenMenu || menuOpen, selected: -1 }))
+    } else {
+      this.setState({ focused: -1 })
+    }
   }
@@ -288,3 +306,4 @@
       query: newQuery,
-      selected: -1
+      selected: -1,
+      validChoiceMade: true
     })
@@ -409,5 +428,6 @@ this.forceUpdate()
       tStatusResults,
+      tAssistiveHint,
       dropdownArrow: dropdownArrowFactory
     } = this.props
-    const { focused, hovered, menuOpen, options, query, selected } = this.state
+    const { focused, hovered, menuOpen, options, query, selected, ariaHint, validChoiceMade } = this.state
     const autoselect = this.hasAutoselect()
@@ -447,2 +467,6 @@
 
+    const ariaDescribedProp = (ariaHint) ? {
+      'aria-describedby': 'assistiveHint'
+    } : null
+
     let dropdownArrow
@@ -461,3 +485,3 @@
     return (
-      <div className={wrapperClassName} onKeyDown={this.handleKeyDown} role='combobox' aria-expanded={menuOpen ? 'true' : 'false'}>
+      <div className={wrapperClassName} onKeyDown={this.handleKeyDown}>
         <Status
@@ -469,2 +493,4 @@ length={options.length}
           selectedOptionIndex={selected}
+          validChoiceMade={validChoiceMade}
+          isInFocus={this.state.focused !== null}
           tQueryTooShort={tStatusQueryTooShort}
@@ -481,4 +507,7 @@ tNoResults={tStatusNoResults}
         <input
+          aria-expanded={menuOpen ? 'true' : 'false'}
           aria-activedescendant={optionFocused ? `${id}__option--${focused}` : false}
           aria-owns={`${id}__listbox`}
+          aria-autocomplete={(this.hasAutoselect()) ? 'both' : 'list'}
+          {...ariaDescribedProp}
           autoComplete='off'
@@ -495,3 +524,3 @@ className={`${inputClassName}${inputModifierFocused}${inputModifierType}`}
           type='text'
-          role='textbox'
+          role='combobox'
           required={required}
@@ -513,2 +542,7 @@ value={query}
             const optionModifierOdd = (index % 2) ? ` ${optionClassName}--odd` : ''
+            const iosPosinsetHtml = (isIosDevice())
+              ? `<span id=${id}__option-suffix--${index} style="border:0;clip:rect(0 0 0 0);height:1px;` +
+                'marginBottom:-1px;marginRight:-1px;overflow:hidden;padding:0;position:absolute;' +
+                'whiteSpace:nowrap;width:1px">' + ` ${index + 1} of ${options.length}</span>`
+              : ''
 
@@ -519,3 +553,3 @@ return (
                 className={`${optionClassName}${optionModifierFocused}${optionModifierOdd}`}
-                dangerouslySetInnerHTML={{ __html: this.templateSuggestion(option) }}
+                dangerouslySetInnerHTML={{ __html: this.templateSuggestion(option) + iosPosinsetHtml }}
                 id={`${id}__option--${index}`}
@@ -529,2 +563,4 @@ key={index}
                 tabIndex='-1'
+                aria-posinset={index + 1}
+                aria-setsize={options.length}
               />
@@ -538,2 +574,5 @@ )
         </ul>
+
+        <span id='assistiveHint' style={{ display: 'none' }}>{tAssistiveHint()}</span>
+
       </div>
@@ -540,0 +579,0 @@ )

src/status.js

 import { createElement, Component } from 'preact' /** @jsx createElement */
 
+const debounce = function (func, wait, immediate) {
+  var timeout
+  return function () {
+    var context = this
+    var args = arguments
+    var later = function () {
+      timeout = null
+      if (!immediate) func.apply(context, args)
+    }
+    var callNow = immediate && !timeout
+    clearTimeout(timeout)
+    timeout = setTimeout(later, wait)
+    if (callNow) func.apply(context, args)
+  }
+}
+const statusDebounceMillis = 1400
+
 export default class Status extends Component {
   static defaultProps = {
-    tQueryTooShort: (minQueryLength) => `Type in ${minQueryLength} or more characters for results.`,
-    tNoResults: () => 'No search results.',
-    tSelectedOption: (selectedOption, length, index) => `${selectedOption} (${index + 1} of ${length}) is selected.`,
+    tQueryTooShort: (minQueryLength) => `Type in ${minQueryLength} or more characters for results`,
+    tNoResults: () => 'No search results',
+    tSelectedOption: (selectedOption, length, index) => `${selectedOption} ${index + 1} of ${length} is highlighted`,
     tResults: (length, contentSelectedOption) => {
@@ -19,10 +36,18 @@ const words = {
   state = {
-    bump: false
+    bump: false,
+    debounced: false
   }
 
+  componentWillMount () {
+    const that = this
+    this.debounceStatusUpdate = debounce(function () {
+      if (!that.state.debounced) {
+        const shouldSilence = !that.props.isInFocus || that.props.validChoiceMade
+        that.setState(({ bump }) => ({ bump: !bump, debounced: true, silenced: shouldSilence }))
+      }
+    }, statusDebounceMillis)
+  }
+
   componentWillReceiveProps ({ queryLength }) {
-    const hasChanged = queryLength !== this.props.queryLength
-    if (hasChanged) {
-      this.setState(({ bump }) => ({ bump: !bump }))
-    }
+    this.setState({ debounced: false })
   }
@@ -42,3 +67,3 @@
     } = this.props
-    const { bump } = this.state
+    const { bump, debounced, silenced } = this.state
 
@@ -61,23 +86,35 @@ const queryTooShort = queryLength < minQueryLength
 
-    return <div
-      aria-atomic='true'
-      aria-live='polite'
-      role='status'
-      style={{
-        border: '0',
-        clip: 'rect(0 0 0 0)',
-        height: '1px',
-        marginBottom: '-1px',
-        marginRight: '-1px',
-        overflow: 'hidden',
-        padding: '0',
-        position: 'absolute',
-        whiteSpace: 'nowrap',
-        width: '1px'
-      }}
-    >
-      {content}
-      <span>{bump ? ',' : ',,'}</span>
-    </div>
+    this.debounceStatusUpdate()
+
+    return (
+      <div
+        style={{
+          border: '0',
+          clip: 'rect(0 0 0 0)',
+          height: '1px',
+          marginBottom: '-1px',
+          marginRight: '-1px',
+          overflow: 'hidden',
+          padding: '0',
+          position: 'absolute',
+          whiteSpace: 'nowrap',
+          width: '1px'
+        }}>
+        <div
+          id='ariaLiveA'
+          role='status'
+          aria-atomic='true'
+          aria-live='polite'>
+          {(!silenced && debounced && bump) ? content : ''}
+        </div>
+        <div
+          id='ariaLiveB'
+          role='status'
+          aria-atomic='true'
+          aria-live='polite'>
+          {(!silenced && debounced && !bump) ? content : ''}
+        </div>
+      </div>
+    )
   }
 }

test/functional/index.js

 /* global after, describe, before, beforeEach, expect, it */
 import { createElement, render } from 'preact' /** @jsx createElement */
 import Autocomplete from '../../src/autocomplete'
+import Status from '../../src/status'
 
@@ -72,10 +73,40 @@ function suggest (query, syncResults) {
 
-      it('renders with the correct aria attributes', () => {
+      it('renders with an aria-expanded attribute', () => {
         render(<Autocomplete required />, scratch)
 
         let wrapperElement = scratch.getElementsByClassName('autocomplete__wrapper')[0]
+        let inputElement = wrapperElement.getElementsByTagName('input')[0]
 
-        expect(wrapperElement.getAttribute('aria-expanded')).to.equal('false')
+        expect(inputElement.getAttribute('aria-expanded')).to.equal('false')
       })
 
+      it('renders with an aria-describedby attribute', () => {
+        render(<Autocomplete required />, scratch)
+
+        let wrapperElement = scratch.getElementsByClassName('autocomplete__wrapper')[0]
+        let inputElement = wrapperElement.getElementsByTagName('input')[0]
+
+        expect(inputElement.getAttribute('aria-describedby')).to.equal('assistiveHint')
+      })
+
+      describe('renders with an aria-autocomplete attribute', () => {
+        it('of value "list", when autoselect is not enabled', () => {
+          render(<Autocomplete required />, scratch)
+
+          let wrapperElement = scratch.getElementsByClassName('autocomplete__wrapper')[0]
+          let inputElement = wrapperElement.getElementsByTagName('input')[0]
+
+          expect(inputElement.getAttribute('aria-autocomplete')).to.equal('list')
+        })
+
+        it('of value "both", when autoselect is enabled', () => {
+          render(<Autocomplete required autoselect />, scratch)
+
+          let wrapperElement = scratch.getElementsByClassName('autocomplete__wrapper')[0]
+          let inputElement = wrapperElement.getElementsByTagName('input')[0]
+
+          expect(inputElement.getAttribute('aria-autocomplete')).to.equal('both')
+        })
+      })
+
       it('renders with the correct roles', () => {
@@ -88,3 +119,3 @@ render(<Autocomplete required />, scratch)
 
-        expect(inputElement.getAttribute('role')).to.equal('textbox', 'input should have textbox role')
+        expect(inputElement.getAttribute('role')).to.equal('combobox', 'input should have combobox role')
         expect(dropdownElement.getAttribute('role')).to.equal('listbox', 'menu should have listbox role')
@@ -157,2 +188,10 @@ })
 
+      it('removes the aria-describedby attribute when query is non empty', () => {
+        expect(autocomplete.state.ariaHint).to.equal(true)
+        autocomplete.handleInputChange({ target: { value: 'a' } })
+        expect(autocomplete.state.ariaHint).to.equal(false)
+        autocomplete.handleInputChange({ target: { value: '' } })
+        expect(autocomplete.state.ariaHint).to.equal(true)
+      })
+
       describe('with minLength', () => {
@@ -190,16 +229,54 @@ beforeEach(() => {
     describe('focusing input', () => {
-      it('does not display menu when something is typed in', () => {
-        autocomplete.setState({ query: 'f' })
-        autocomplete.handleInputFocus()
-        expect(autocomplete.state.menuOpen).to.equal(false)
-        expect(autocomplete.state.focused).to.equal(-1)
+      describe('when no query is present', () => {
+        it('does not display menu', () => {
+          autocomplete.setState({ query: '' })
+          autocomplete.handleInputFocus()
+          expect(autocomplete.state.menuOpen).to.equal(false)
+          expect(autocomplete.state.focused).to.equal(-1)
+        })
       })
 
-      it('hides menu when query is empty', () => {
-        autocomplete.setState({ query: '' })
-        autocomplete.handleInputFocus()
-        expect(autocomplete.state.menuOpen).to.equal(false)
-        expect(autocomplete.state.focused).to.equal(-1)
+      describe('when a non-matched query is present (no matching options are present)', () => {
+        it('does not display menu', () => {
+          autocomplete.setState({ query: 'f' })
+          autocomplete.handleInputFocus()
+          expect(autocomplete.state.menuOpen).to.equal(false)
+          expect(autocomplete.state.focused).to.equal(-1)
+        })
       })
 
+      describe('when a matched query is present (matching options exist)', () => {
+        describe('and no user choice has yet been made', () => {
+          it('displays menu', () => {
+            autocomplete.setState({
+              menuOpen: false,
+              options: ['France'],
+              query: 'fr',
+              focused: null,
+              selected: null,
+              validChoiceMade: false
+            })
+            autocomplete.handleInputFocus()
+            expect(autocomplete.state.focused).to.equal(-1)
+            expect(autocomplete.state.menuOpen).to.equal(true)
+            expect(autocomplete.state.selected).to.equal(-1)
+          })
+        })
+        describe('and a user choice HAS been made', () => {
+          it('does not display menu', () => {
+            autocomplete.setState({
+              menuOpen: false,
+              options: ['France'],
+              query: 'fr',
+              focused: null,
+              selected: null,
+              validChoiceMade: true
+            })
+            autocomplete.handleInputFocus()
+            expect(autocomplete.state.focused).to.equal(-1)
+            expect(autocomplete.state.menuOpen).to.equal(false)
+          })
+        })
+      })
+
       describe('with option selected', () => {
@@ -488,3 +565,155 @@ it('leaves menu open, does not change query', () => {
     })
+
+    describe('derived state', () => {
+      it('initially assumes no valid choice on each new input', () => {
+        autocomplete.handleInputChange({ target: { value: 'F' } })
+        expect(autocomplete.state.validChoiceMade).to.equal(false)
+      })
+
+      describe('identifies that the user has made a valid choice', () => {
+        it('when an option is actively clicked', () => {
+          autocomplete.setState({ query: 'f', options: ['France'], validChoiceMade: false })
+          autocomplete.handleOptionClick({}, 0)
+          expect(autocomplete.state.validChoiceMade).to.equal(true)
+        })
+
+        it('when the input is blurred, autoselect is disabled, and the current query exactly matches an option', () => {
+          autocomplete.setState({ query: 'France', options: ['France'], validChoiceMade: false })
+          autocomplete.handleComponentBlur({})
+          expect(autocomplete.state.validChoiceMade).to.equal(true)
+        })
+
+        it('when in the same scenario, but the match differs only by case sensitivity', () => {
+          autocomplete.setState({ query: 'fraNCe', options: ['France'], validChoiceMade: false })
+          autocomplete.handleComponentBlur({})
+          expect(autocomplete.state.validChoiceMade).to.equal(true)
+        })
+
+        it('when the input is blurred, autoselect is enabled, and the current query results in at least one option', () => {
+          autoselectAutocomplete.setState({ options: ['France'], validChoiceMade: false })
+          autoselectAutocomplete.handleInputChange({ target: { value: 'France' } })
+          autoselectAutocomplete.handleComponentBlur({})
+          expect(autoselectAutocomplete.state.validChoiceMade).to.equal(true)
+        })
+      })
+
+      describe('identifies that the user has not made a valid choice', () => {
+        it('when the input is blurred, autoselect is disabled, and the current query does not match an option', () => {
+          autocomplete.setState({ query: 'Fracne', options: ['France'], validChoiceMade: false })
+          autocomplete.handleComponentBlur({})
+          expect(autocomplete.state.validChoiceMade).to.equal(false)
+        })
+
+        it('when the input is blurred, autoselect is enabled, but no options exist for the current query', () => {
+          autoselectAutocomplete.setState({ options: [], validChoiceMade: false })
+          autoselectAutocomplete.handleInputChange({ target: { value: 'gpvx' } })
+          autoselectAutocomplete.handleComponentBlur({})
+          expect(autoselectAutocomplete.state.validChoiceMade).to.equal(false)
+        })
+      })
+
+      describe('identifies that the valid choice situation has changed', () => {
+        it('when the user amends a previously matched query such that it no longer matches an option', () => {
+          autocomplete.setState({ query: 'France', options: ['France'], validChoiceMade: false })
+          autocomplete.handleComponentBlur({})
+          expect(autocomplete.state.validChoiceMade).to.equal(true)
+          autocomplete.handleInputChange({ target: { value: 'Francey' } })
+          autocomplete.handleComponentBlur({})
+          expect(autocomplete.state.validChoiceMade).to.equal(false)
+          autocomplete.handleInputChange({ target: { value: 'France' } })
+          autocomplete.handleComponentBlur({})
+          expect(autocomplete.state.validChoiceMade).to.equal(true)
+          autocomplete.handleInputChange({ target: { value: 'Franc' } })
+          autocomplete.handleComponentBlur({})
+          expect(autocomplete.state.validChoiceMade).to.equal(false)
+        })
+      })
+    })
   })
 })
+
+describe('Status', () => {
+  describe('rendering', () => {
+    let scratch
+
+    before(() => {
+      scratch = document.createElement('div');
+      (document.body || document.documentElement).appendChild(scratch)
+    })
+
+    beforeEach(() => {
+      scratch.innerHTML = ''
+    })
+
+    after(() => {
+      scratch.parentNode.removeChild(scratch)
+      scratch = null
+    })
+
+    it('renders a pair of aria live regions', () => {
+      render(<Status />, scratch)
+      expect(scratch.innerHTML).to.contain('div')
+
+      let wrapperElement = scratch.getElementsByTagName('div')[0]
+      let ariaLiveA = wrapperElement.getElementsByTagName('div')[0]
+      let ariaLiveB = wrapperElement.getElementsByTagName('div')[1]
+
+      expect(ariaLiveA.getAttribute('role')).to.equal('status', 'first aria live region should be marked as role=status')
+      expect(ariaLiveA.getAttribute('aria-atomic')).to.equal('true', 'first aria live region should be marked as atomic')
+      expect(ariaLiveA.getAttribute('aria-live')).to.equal('polite', 'first aria live region should be marked as polite')
+      expect(ariaLiveB.getAttribute('role')).to.equal('status', 'second aria live region should be marked as role=status')
+      expect(ariaLiveB.getAttribute('aria-atomic')).to.equal('true', 'second aria live region should be marked as atomic')
+      expect(ariaLiveB.getAttribute('aria-live')).to.equal('polite', 'second aria live region should be marked as polite')
+    })
+
+    describe('behaviour', () => {
+      describe('silences aria live announcement', () => {
+        it('when a valid choice has been made and the input has focus', (done) => {
+          let status = new Status({
+            ...Status.defaultProps,
+            validChoiceMade: true,
+            isInFocus: true
+          })
+          status.componentWillMount()
+          status.render()
+
+          setTimeout(() => {
+            expect(status.state.silenced).to.equal(true)
+            done()
+          }, 1500)
+        })
+
+        it('when the input no longer has focus', (done) => {
+          let status = new Status({
+            ...Status.defaultProps,
+            validChoiceMade: false,
+            isInFocus: false
+          })
+          status.componentWillMount()
+          status.render()
+
+          setTimeout(() => {
+            expect(status.state.silenced).to.equal(true)
+            done()
+          }, 1500)
+        })
+      })
+      describe('does not silence aria live announcement', () => {
+        it('when a valid choice has not been made and the input has focus', (done) => {
+          let status = new Status({
+            ...Status.defaultProps,
+            validChoiceMade: false,
+            isInFocus: true
+          })
+          status.componentWillMount()
+          status.render()
+
+          setTimeout(() => {
+            expect(status.state.silenced).to.equal(false)
+            done()
+          }, 1500)
+        })
+      })
+    })
+  })
+})

test/functional/wrapper.js

@@ -241,2 +241,72 @@ /* global before, beforeEach, after, describe, expect, it */
 
+  it('includes aria attributes on each option, to indicate position within the full set of list item elements', (done) => {
+    const select = injectSelectToEnhanceIntoDOM(scratch)
+
+    accessibleAutocomplete.enhanceSelectElement({
+      selectElement: select
+    })
+
+    const autocompleteInstances = document.querySelectorAll('.autocomplete__wrapper')
+    const autocompleteInstance = autocompleteInstances[0]
+    const autocompleteInput = autocompleteInstance.querySelector('.autocomplete__input')
+    autocompleteInput.value = 'e'
+    setTimeout(() => {
+      const autocompleteOptions = autocompleteInstance.querySelectorAll('.autocomplete__option')
+      expect(autocompleteOptions.length).to.equal(3)
+      expect(autocompleteOptions[0].getAttribute('aria-posinset')).to.equal('1')
+      expect(autocompleteOptions[0].getAttribute('aria-setsize')).to.equal('3')
+      expect(autocompleteOptions[1].getAttribute('aria-posinset')).to.equal('2')
+      expect(autocompleteOptions[1].getAttribute('aria-setsize')).to.equal('3')
+      expect(autocompleteOptions[2].getAttribute('aria-posinset')).to.equal('3')
+      expect(autocompleteOptions[2].getAttribute('aria-setsize')).to.equal('3')
+      done()
+    }, 250)
+  })
+
+  it('includes an explicit position suffix on each list item option when iOS is detected', (done) => {
+    Object.defineProperty(global.navigator, 'userAgent', { value: 'iPhone AppleWebKit', configurable: true })
+
+    const select = injectSelectToEnhanceIntoDOM(scratch)
+
+    accessibleAutocomplete.enhanceSelectElement({
+      selectElement: select
+    })
+
+    const autocompleteInstances = document.querySelectorAll('.autocomplete__wrapper')
+    const autocompleteInstance = autocompleteInstances[0]
+    const autocompleteInput = autocompleteInstance.querySelector('.autocomplete__input')
+    const autocompleteOption = autocompleteInstance.querySelector('.autocomplete__option')
+
+    autocompleteInput.value = 'Fran'
+    setTimeout(() => {
+      expect(autocompleteOption.textContent).to.equal('France 1 of 1')
+      const iosSuffixSpan = autocompleteOption.querySelector('#location-picker-id__option-suffix--0')
+      expect(iosSuffixSpan.textContent).to.equal(' 1 of 1')
+      done()
+    }, 250)
+  })
+
+  it('does not include a position suffix on each list item option, when iOS is not detected', (done) => {
+    Object.defineProperty(global.navigator, 'userAgent', { value: 'definitely not an iDevice', configurable: true })
+
+    const select = injectSelectToEnhanceIntoDOM(scratch)
+
+    accessibleAutocomplete.enhanceSelectElement({
+      selectElement: select
+    })
+
+    const autocompleteInstances = document.querySelectorAll('.autocomplete__wrapper')
+    const autocompleteInstance = autocompleteInstances[0]
+    const autocompleteInput = autocompleteInstance.querySelector('.autocomplete__input')
+    const autocompleteOption = autocompleteInstance.querySelector('.autocomplete__option')
+
+    autocompleteInput.value = 'Fran'
+    setTimeout(() => {
+      expect(autocompleteOption.textContent).to.equal('France')
+      const iosSuffixSpan = autocompleteOption.querySelector('#location-picker-id__option-suffix--0')
+      expect(iosSuffixSpan).to.equal(null)
+      done()
+    }, 250)
+  })
+
   it('onConfirm updates original select', (done) => {
@@ -243,0 +313,0 @@ const select = injectSelectToEnhanceIntoDOM(scratch, { selected: 'de' })

test/integration/index.js

@@ -10,2 +10,3 @@ /* global afterEach, before, beforeEach, browser, describe, it */
 // const isIE11 = isIE && version === '11.103'
+const liveRegionWaitTimeMillis = 10000
 
@@ -42,2 +43,32 @@ const basicExample = () => {
 
+    // These tests are flakey when run through Saucelabs so we only run them
+    // in Chrome
+    if (isChrome) {
+      it('should announce status changes using two alternately updated aria live regions', () => {
+        const flip = browser.$('div#ariaLiveA')
+        const flop = browser.$('div#ariaLiveB')
+
+        browser.click(input)
+        browser.setValue(input, 'a')
+        expect(flip.getText()).to.equal('')
+        expect(flop.getText()).to.equal('')
+        browser.waitUntil(() => { return flip.getText() !== '' },
+          liveRegionWaitTimeMillis,
+          'expected the first aria live region to be populated within ' + liveRegionWaitTimeMillis + ' milliseconds'
+        )
+        browser.addValue(input, 's')
+        browser.waitUntil(() => { return (flip.getText() === '' && flop.getText() !== '') },
+          liveRegionWaitTimeMillis,
+          'expected the first aria live region to be cleared, and the second to be populated within ' +
+          liveRegionWaitTimeMillis + ' milliseconds'
+        )
+        browser.addValue(input, 'h')
+        browser.waitUntil(() => { return (flip.getText() !== '' && flop.getText() === '') },
+          liveRegionWaitTimeMillis,
+          'expected the first aria live region to be populated, and the second to be cleared within ' +
+          liveRegionWaitTimeMillis + ' milliseconds'
+        )
+      })
+    }
+
     describe('keyboard use', () => {
@@ -44,0 +75,0 @@ it('should allow typing', () => {

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