describe('Core htmx Shadow DOM Tests', function() {
  // Skip these tests if browser doesn't support shadow DOM
  if (typeof window.ShadowRoot === 'undefined') return

  before(function() {
    this.initialWorkArea = getWorkArea().outerHTML
  })
  after(function() {
    getWorkArea().outerHTML = this.initialWorkArea
  })

  beforeEach(function() {
    this.server = makeServer()
    clearWorkArea()
    var workArea = getWorkArea()
    if (!workArea.shadowRoot) workArea.attachShadow({ mode: 'open' })
    workArea.shadowRoot.innerHTML = ''
  })
  afterEach(function() {
    this.server.restore()
    clearWorkArea()
    getWorkArea().shadowRoot.innerHTML = ''
  })

  // Locally redefine the `byId` and `make` functions to use shadow DOM
  function byId(id) {
    return getWorkArea().shadowRoot.getElementById(id) || document.getElementById(id)
  }
  function make(htmlStr) {
    htmlStr = htmlStr.trim()
    var makeFn = function() {
      var range = document.createRange()
      var fragment = range.createContextualFragment(htmlStr)
      var wa = getWorkArea().shadowRoot
      var child = null
      var children = fragment.children || fragment.childNodes // IE
      var appendedChildren = []
      while (children.length > 0) {
        child = children[0]
        wa.appendChild(child)
        appendedChildren.push(child)
      }
      htmx.process(wa)
      return child // return last added element
    }
    if (getWorkArea()) {
      return makeFn()
    } else {
      ready(makeFn)
    }
  }

  // special target selector extensions
  it('properly retrieves shadow root for extended selector', function() {
    var div = make('<div hx-target="root"></div>')
    htmx.defineExtension('test/shadowdom.js', {
      init: function(api) {
        api.getTarget(div).should.equal(getWorkArea().shadowRoot)
      }
    })
  })
  it('properly escapes shadow root for extended selector', function() {
    var div = make('<div hx-target="global #work-area"></div>')
    htmx.defineExtension('test/shadowdom.js', {
      init: function(api) {
        api.getTarget(div).should.equal(getWorkArea())
      }
    })
  })

  // bootstrap test
  it('issues a GET request on click and swaps content', function() {
    this.server.respondWith('GET', '/test', 'Clicked!')

    var btn = make('<button hx-get="/test">Click Me!</button>')
    btn.click()
    this.server.respond()
    btn.innerHTML.should.equal('Clicked!')
  })

  it('processes inner content properly', function() {
    this.server.respondWith('GET', '/test', '<a hx-get="/test2">Click Me</a>')
    this.server.respondWith('GET', '/test2', 'Clicked!')

    var div = make('<div hx-get="/test"></div>')
    div.click()
    this.server.respond()
    div.innerHTML.should.equal('<a hx-get="/test2">Click Me</a>')
    var a = div.querySelector('a')
    a.click()
    this.server.respond()
    a.innerHTML.should.equal('Clicked!')
  })

  it('handles swap outerHTML properly', function() {
    this.server.respondWith('GET', '/test', '<a id="a1" hx-get="/test2">Click Me</a>')
    this.server.respondWith('GET', '/test2', 'Clicked!')

    var div = make('<div id="d1" hx-get="/test" hx-swap="outerHTML"></div>')
    div.click()
    should.equal(byId('d1'), div)
    this.server.respond()
    should.equal(byId('d1'), null)
    byId('a1').click()
    this.server.respond()
    byId('a1').innerHTML.should.equal('Clicked!')
  })

  it('handles beforebegin properly', function() {
    var i = 0
    this.server.respondWith('GET', '/test', function(xhr) {
      i++
      xhr.respond(200, {}, '<a id="a' + i + '" hx-get="/test2" hx-swap="innerHTML">' + i + '</a>')
    })
    this.server.respondWith('GET', '/test2', '*')

    // extra wrapping div here because `ShadowRoot` doesn't support `innerText` or `child.parentElement`
    var div = make('<div><div hx-get="/test" hx-swap="beforebegin">*</div></div>').children[0]
    var parent = div.parentElement
    div.click()
    this.server.respond()
    div.innerText.should.equal('*')
    removeWhiteSpace(parent.innerText).should.equal('1*')

    byId('a1').click()
    this.server.respond()
    removeWhiteSpace(parent.innerText).should.equal('**')

    div.click()
    this.server.respond()
    div.innerText.should.equal('*')
    removeWhiteSpace(parent.innerText).should.equal('*2*')

    byId('a2').click()
    this.server.respond()
    removeWhiteSpace(parent.innerText).should.equal('***')
  })

  it('handles afterbegin properly', function() {
    var i = 0
    this.server.respondWith('GET', '/test', function(xhr) {
      i++
      xhr.respond(200, {}, '' + i)
    })

    var div = make('<div hx-get="/test" hx-swap="afterbegin">*</div>')

    div.click()
    this.server.respond()
    div.innerText.should.equal('1*')

    div.click()
    this.server.respond()
    div.innerText.should.equal('21*')

    div.click()
    this.server.respond()
    div.innerText.should.equal('321*')
  })

  it('handles afterbegin properly with no initial content', function() {
    var i = 0
    this.server.respondWith('GET', '/test', function(xhr) {
      i++
      xhr.respond(200, {}, '' + i)
    })

    var div = make('<div hx-get="/test" hx-swap="afterbegin"></div>')

    div.click()
    this.server.respond()
    div.innerText.should.equal('1')

    div.click()
    this.server.respond()
    div.innerText.should.equal('21')

    div.click()
    this.server.respond()
    div.innerText.should.equal('321')
  })

  it('handles afterend properly', function() {
    var i = 0
    this.server.respondWith('GET', '/test', function(xhr) {
      i++
      xhr.respond(200, {}, '<a id="a' + i + '" hx-get="/test2" hx-swap="innerHTML">' + i + '</a>')
    })
    this.server.respondWith('GET', '/test2', '*')

    // extra wrapping div here because `ShadowRoot` doesn't support `innerText` or `child.parentElement`
    var div = make('<div><div hx-get="/test" hx-swap="afterend">*</div></div>').children[0]
    var parent = div.parentElement
    div.click()
    this.server.respond()
    div.innerText.should.equal('*')
    removeWhiteSpace(parent.innerText).should.equal('*1')

    byId('a1').click()
    this.server.respond()
    removeWhiteSpace(parent.innerText).should.equal('**')

    div.click()
    this.server.respond()
    div.innerText.should.equal('*')
    removeWhiteSpace(parent.innerText).should.equal('*2*')

    byId('a2').click()
    this.server.respond()
    removeWhiteSpace(parent.innerText).should.equal('***')
  })

  it('handles beforeend properly', function() {
    var i = 0
    this.server.respondWith('GET', '/test', function(xhr) {
      i++
      xhr.respond(200, {}, '' + i)
    })

    var div = make('<div hx-get="/test" hx-swap="beforeend">*</div>')

    div.click()
    this.server.respond()
    div.innerText.should.equal('*1')

    div.click()
    this.server.respond()
    div.innerText.should.equal('*12')

    div.click()
    this.server.respond()
    div.innerText.should.equal('*123')
  })

  it('handles beforeend properly with no initial content', function() {
    var i = 0
    this.server.respondWith('GET', '/test', function(xhr) {
      i++
      xhr.respond(200, {}, '' + i)
    })

    var div = make('<div hx-get="/test" hx-swap="beforeend"></div>')

    div.click()
    this.server.respond()
    div.innerText.should.equal('1')

    div.click()
    this.server.respond()
    div.innerText.should.equal('12')

    div.click()
    this.server.respond()
    div.innerText.should.equal('123')
  })

  it('handles hx-target properly', function() {
    this.server.respondWith('GET', '/test', 'Clicked!')

    var btn = make('<button hx-get="/test" hx-target="#s1">Click Me!</button>')
    var target = make('<span id="s1">Initial</span>')
    btn.click()
    target.innerHTML.should.equal('Initial')
    this.server.respond()
    target.innerHTML.should.equal('Clicked!')
  })

  it('handles 204 NO CONTENT responses properly', function() {
    this.server.respondWith('GET', '/test', [204, {}, 'No Content!'])

    var btn = make('<button hx-get="/test">Click Me!</button>')
    btn.click()
    btn.innerHTML.should.equal('Click Me!')
    this.server.respond()
    btn.innerHTML.should.equal('Click Me!')
  })

  it('handles 304 NOT MODIFIED responses properly', function() {
    this.server.respondWith('GET', '/test-1', [200, {}, 'Content for Tab 1'])
    this.server.respondWith('GET', '/test-2', [200, {}, 'Content for Tab 2'])

    var target = make('<div id="target"></div>')
    var btn1 = make('<button hx-get="/test-1" hx-target="#target">Tab 1</button>')
    var btn2 = make('<button hx-get="/test-2" hx-target="#target">Tab 2</button>')

    btn1.click()
    target.innerHTML.should.equal('')
    this.server.respond()
    target.innerHTML.should.equal('Content for Tab 1')

    btn2.click()
    this.server.respond()
    target.innerHTML.should.equal('Content for Tab 2')

    this.server.respondWith('GET', '/test-1', [304, {}, 'Content for Tab 1'])
    this.server.respondWith('GET', '/test-2', [304, {}, 'Content for Tab 2'])

    btn1.click()
    this.server.respond()
    target.innerHTML.should.equal('Content for Tab 1')

    btn2.click()
    this.server.respond()
    target.innerHTML.should.equal('Content for Tab 2')
  })

  it('handles hx-trigger with non-default value', function() {
    this.server.respondWith('GET', '/test', 'Clicked!')

    var form = make('<form hx-get="/test" hx-trigger="click">Click Me!</form>')
    form.click()
    form.innerHTML.should.equal('Click Me!')
    this.server.respond()
    form.innerHTML.should.equal('Clicked!')
  })

  it('handles hx-trigger with load event', function() {
    this.server.respondWith('GET', '/test', 'Loaded!')
    var div = make('<div hx-get="/test" hx-trigger="load">Load Me!</div>')
    div.innerHTML.should.equal('Load Me!')
    this.server.respond()
    div.innerHTML.should.equal('Loaded!')
  })

  it('sets the content type of the request properly', function(done) {
    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(200, {}, 'done')
      xhr.overriddenMimeType.should.equal('text/html')
      done()
    })
    var div = make('<div hx-get="/test">Click Me!</div>')
    div.click()
    this.server.respond()
  })

  it('issues two requests when clicked twice before response', function() {
    var i = 1
    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(200, {}, 'click ' + i)
      i++
    })
    var div = make('<div hx-get="/test"></div>')
    div.click()
    div.click()
    this.server.respond()
    div.innerHTML.should.equal('click 1')
    this.server.respond()
    div.innerHTML.should.equal('click 2')
  })

  it('issues two requests when clicked three times before response', function() {
    var i = 1
    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(200, {}, 'click ' + i)
      i++
    })
    var div = make('<div hx-get="/test"></div>')
    div.click()
    div.click()
    div.click()
    this.server.respondAll()
    div.innerHTML.should.equal('click 2')
  })

  it('properly handles hx-select for basic situation', function() {
    var i = 1
    this.server.respondWith('GET', '/test', "<div id='d1'>foo</div><div id='d2'>bar</div>")
    var div = make('<div hx-get="/test" hx-select="#d1"></div>')
    div.click()
    this.server.respond()
    div.innerHTML.should.equal('<div id="d1">foo</div>')
  })

  it('properly handles hx-select for full html document situation', function() {
    this.server.respondWith('GET', '/test', "<html><body><div id='d1'>foo</div><div id='d2'>bar</div></body></html>")
    var div = make('<div hx-get="/test" hx-select="#d1"></div>')
    div.click()
    this.server.respond()
    div.innerHTML.should.equal('<div id="d1">foo</div>')
  })

  it('properly settles attributes on interior elements', function(done) {
    this.server.respondWith('GET', '/test', "<div hx-get='/test'><div width='bar' id='d1'></div></div>")
    var div = make("<div hx-get='/test' hx-swap='outerHTML settle:10ms'><div id='d1'></div></div>")
    div.click()
    this.server.respond()
    should.equal(byId('d1').getAttribute('width'), null)
    setTimeout(function() {
      should.equal(byId('d1').getAttribute('width'), 'bar')
      done()
    }, 20)
  })

  it('properly settles attributes elements with single quotes in id', function(done) {
    this.server.respondWith('GET', '/test', "<div hx-get='/test'><div width='bar' id=\"d1'\"></div></div>")
    var div = make("<div hx-get='/test' hx-swap='outerHTML settle:10ms'><div id=\"d1'\"></div></div>")
    div.click()
    this.server.respond()
    should.equal(byId("d1'").getAttribute('width'), null)
    setTimeout(function() {
      should.equal(byId("d1'").getAttribute('width'), 'bar')
      done()
    }, 20)
  })

  it('properly settles attributes elements with double quotes in id', function(done) {
    this.server.respondWith('GET', '/test', "<div hx-get='/test'><div width='bar' id='d1\"'></div></div>")
    var div = make("<div hx-get='/test' hx-swap='outerHTML settle:10ms'><div id='d1\"'></div></div>")
    div.click()
    this.server.respond()
    should.equal(byId('d1"').getAttribute('width'), null)
    setTimeout(function() {
      should.equal(byId('d1"').getAttribute('width'), 'bar')
      done()
    }, 20)
  })

  it('properly handles multiple select input', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    var form = make('<form hx-post="/test" hx-trigger="click">' +
            '<select id="multiSelect" name="multiSelect" multiple="multiple">' +
            '<option id="m1" value="m1">m1</option>' +
            '<option id="m2" value="m2">m2</option>' +
            '<option id="m3" value="m3">m3</option>' +
            '<option id="m4" value="m4">m4</option>' +
            '</select>' +
            '</form>')

    form.click()
    this.server.respond()
    values.should.deep.equal({})

    byId('m1').selected = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ multiSelect: 'm1' })

    byId('m1').selected = true
    byId('m3').selected = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ multiSelect: ['m1', 'm3'] })
  })

  it('properly handles multiple select input when "multiple" attribute is empty string', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    var form = make('<form hx-post="/test" hx-trigger="click">' +
            '<select name="multiSelect" id="id_question_list" multiple="" tabindex="-1" aria-hidden="true">' +
            '<option id="m1" value="m1">m1</option>' +
            '<option id="m2" value="m2">m2</option>' +
            '<option id="m3" value="m3">m3</option>' +
            '<option id="m4" value="m4">m4</option>' +
            '</select>' +
            '</form>')

    form.click()
    this.server.respond()
    values.should.deep.equal({})

    byId('m1').selected = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ multiSelect: 'm1' })

    byId('m1').selected = true
    byId('m3').selected = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ multiSelect: ['m1', 'm3'] })
  })

  it('properly handles two multiple select inputs w/ same name', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    var form = make('<form hx-post="/test" hx-trigger="click">' +
            '<select id="multiSelect" name="multiSelect" multiple="multiple">' +
            '<option id="m1" value="m1">m1</option>' +
            '<option id="m2" value="m2">m2</option>' +
            '<option id="m3" value="m3">m3</option>' +
            '<option id="m4" value="m4">m4</option>' +
            '</select>' +
            '<select id="multiSelect" name="multiSelect" multiple="multiple">' +
            '<option id="m5" value="m5">m1</option>' +
            '<option id="m6" value="m6">m2</option>' +
            '<option id="m7" value="m7">m3</option>' +
            '<option id="m8" value="m8">m4</option>' +
            '</select>' +
            '</form>')

    form.click()
    this.server.respond()
    values.should.deep.equal({})

    byId('m1').selected = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ multiSelect: 'm1' })

    byId('m1').selected = true
    byId('m3').selected = true
    byId('m7').selected = true
    byId('m8').selected = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ multiSelect: ['m1', 'm3', 'm7', 'm8'] })
  })

  it('properly handles multiple email input', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    var form = make('<form hx-post="/test" hx-trigger="click">' +
            '<input id="multiEmail" name="multiEmail" multiple>' +
            '</form>')

    form.click()
    this.server.respond()
    values.should.deep.equal({ multiEmail: '' })

    byId('multiEmail').value = 'foo@example.com'
    form.click()
    this.server.respond()
    values.should.deep.equal({ multiEmail: 'foo@example.com' })

    byId('multiEmail').value = 'foo@example.com,bar@example.com'
    form.click()
    this.server.respond()
    values.should.deep.equal({ multiEmail: 'foo@example.com,bar@example.com' })
  })

  it('properly handles checkbox inputs', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    var form = make('<form hx-post="/test" hx-trigger="click">' +
            '<input id="cb1" name="c1" value="cb1" type="checkbox">' +
            '<input id="cb2" name="c1" value="cb2" type="checkbox">' +
            '<input id="cb3" name="c1" value="cb3" type="checkbox">' +
            '<input id="cb4" name="c2" value="cb4"  type="checkbox">' +
            '<input id="cb5" name="c2" value="cb5"  type="checkbox">' +
            '<input id="cb6" name="c3" value="cb6"  type="checkbox">' +
            '</form>')

    form.click()
    this.server.respond()
    values.should.deep.equal({})

    byId('cb1').checked = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ c1: 'cb1' })

    byId('cb1').checked = true
    byId('cb2').checked = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ c1: ['cb1', 'cb2'] })

    byId('cb1').checked = true
    byId('cb2').checked = true
    byId('cb3').checked = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ c1: ['cb1', 'cb2', 'cb3'] })

    byId('cb1').checked = true
    byId('cb2').checked = true
    byId('cb3').checked = true
    byId('cb4').checked = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ c1: ['cb1', 'cb2', 'cb3'], c2: 'cb4' })

    byId('cb1').checked = true
    byId('cb2').checked = true
    byId('cb3').checked = true
    byId('cb4').checked = true
    byId('cb5').checked = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ c1: ['cb1', 'cb2', 'cb3'], c2: ['cb4', 'cb5'] })

    byId('cb1').checked = true
    byId('cb2').checked = true
    byId('cb3').checked = true
    byId('cb4').checked = true
    byId('cb5').checked = true
    byId('cb6').checked = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ c1: ['cb1', 'cb2', 'cb3'], c2: ['cb4', 'cb5'], c3: 'cb6' })

    byId('cb1').checked = true
    byId('cb2').checked = false
    byId('cb3').checked = true
    byId('cb4').checked = false
    byId('cb5').checked = true
    byId('cb6').checked = true
    form.click()
    this.server.respond()
    values.should.deep.equal({ c1: ['cb1', 'cb3'], c2: 'cb5', c3: 'cb6' })
  })

  it('text nodes dont screw up settling via variable capture', function() {
    this.server.respondWith('GET', '/test', "<div id='d1' hx-trigger='click consume' hx-get='/test2'></div>fooo")
    this.server.respondWith('GET', '/test2', 'clicked')
    var div = make("<div hx-get='/test'/>")
    div.click()
    this.server.respond()
    byId('d1').click()
    this.server.respond()
    byId('d1').innerHTML.should.equal('clicked')
  })

  it('script nodes evaluate', function() {
    var globalWasCalled = false
    window.callGlobal = function() {
      globalWasCalled = true
    }
    try {
      this.server.respondWith('GET', '/test', "<div></div><script type='text/javascript'>callGlobal()</script>")
      var div = make("<div hx-get='/test'></div>")
      div.click()
      this.server.respond()
      globalWasCalled.should.equal(true)
    } finally {
      delete window.callGlobal
    }
  })

  it('stand alone script nodes evaluate', function() {
    var globalWasCalled = false
    window.callGlobal = function() {
      globalWasCalled = true
    }
    try {
      this.server.respondWith('GET', '/test', "<script type='text/javascript'>callGlobal()</script>")
      var div = make("<div hx-get='/test'></div>")
      div.click()
      this.server.respond()
      globalWasCalled.should.equal(true)
    } finally {
      delete window.callGlobal
    }
  })

  it('script nodes can define global functions', function() {
    try {
      window.foo = {}
      this.server.respondWith('GET', '/test', "<script type='text/javascript'>foo.bar = function() { return 42 }</script>")
      var div = make("<div hx-get='/test'></div>")
      div.click()
      this.server.respond()
      foo.bar().should.equal(42)
    } finally {
      delete window.foo
    }
  })

  it('child script nodes evaluate when children', function() {
    var globalWasCalled = false
    window.callGlobal = function() {
      globalWasCalled = true
    }
    try {
      this.server.respondWith('GET', '/test', "<div><script type='text/javascript'>callGlobal()</script></div>")
      var div = make("<div hx-get='/test'></div>")
      div.click()
      this.server.respond()
      globalWasCalled.should.equal(true)
    } finally {
      delete window.callGlobal
    }
  })

  it('child script nodes evaluate when first child', function() {
    var globalWasCalled = false
    window.callGlobal = function() {
      globalWasCalled = true
    }
    try {
      this.server.respondWith('GET', '/test', "<script type='text/javascript'>callGlobal()</script><div></div>")
      var div = make("<div hx-get='/test'></div>")
      div.click()
      this.server.respond()
      globalWasCalled.should.equal(true)
    } finally {
      delete window.callGlobal
    }
  })

  it('child script nodes evaluate when not explicitly marked javascript', function() {
    var globalWasCalled = false
    window.callGlobal = function() {
      globalWasCalled = true
    }
    try {
      this.server.respondWith('GET', '/test', '<div><script>callGlobal()</script></div>')
      var div = make("<div hx-get='/test'></div>")
      div.click()
      this.server.respond()
      globalWasCalled.should.equal(true)
    } finally {
      delete window.callGlobal
    }
  })

  it('script nodes do not evaluate when explicitly marked as something other than javascript', function() {
    var globalWasCalled = false
    window.callGlobal = function() {
      globalWasCalled = true
    }
    try {
      this.server.respondWith('GET', '/test', "<div><script type='text/samplescript'>callGlobal()</script></div>")
      var div = make("<div hx-get='/test'></div>")
      div.click()
      this.server.respond()
      globalWasCalled.should.equal(false)
    } finally {
      delete window.callGlobal
    }
  })

  it('script nodes evaluate after swap', function() {
    window.callGlobal = function() {
      console.log('Here...')
      window.tempVal = byId('d1').innerText
    }
    try {
      this.server.respondWith('GET', '/test', "<div><script>callGlobal()</script><div id='d1'>After settle...</div> </div>")
      var div = make("<div hx-get='/test'></div>")
      div.click()
      this.server.respond()
      window.tempVal.should.equal('After settle...')
    } finally {
      delete window.callGlobal
      delete window.tempVal
    }
  })

  it('script node exceptions do not break rendering', function() {
    this.skip('Rendering does not break, but the exception bubbles up and mocha reports it')
    this.server.respondWith('GET', '/test', "clicked<script type='text/javascript'>throw 'foo';</script>")
    var div = make("<div hx-get='/test'></div>")
    div.click()
    this.server.respond()
    div.innerText.should.equal('clicked')
    console.log(div.innerText)
    console.log('here')
  })

  it('allows empty verb values', function() {
    var path = null
    var div = make("<div hx-get=''/>")
    htmx.on(div, 'htmx:configRequest', function(evt) {
      path = evt.detail.path
      return false
    })
    div.click()
    this.server.respond()
    path.should.not.be.null
  })

  it('allows blank verb values', function() {
    var path = null
    var div = make('<div hx-get/>')
    htmx.on(div, 'htmx:configRequest', function(evt) {
      path = evt.detail.path
      return false
    })
    div.click()
    this.server.respond()
    path.should.not.be.null
  })

  it('input values are not settle swapped (causes flicker)', function() {
    this.server.respondWith('GET', '/test', "<input id='i1' value='bar'/>")
    var input = make("<input id='i1' hx-get='/test' value='foo' hx-swap='outerHTML settle:50' hx-trigger='click'/>")
    input.click()
    this.server.respond()
    input = byId('i1')
    input.value.should.equal('bar')
  })

  it('autofocus attribute works properly', function() {
    this.server.respondWith('GET', '/test', "<input id='i2' value='bar' autofocus/>")
    var input = make("<input id='i1' hx-get='/test' value='foo' hx-swap='afterend' hx-trigger='click'/>")
    input.focus()
    input.click()
    getWorkArea().shadowRoot.activeElement.should.equal(input)
    this.server.respond()
    var input2 = byId('i2')
    getWorkArea().shadowRoot.activeElement.should.equal(input2)
  })

  it('autofocus attribute works properly w/ child', function() {
    this.server.respondWith('GET', '/test', "<div><input id='i2' value='bar' autofocus/></div>")
    var input = make("<input id='i1' hx-get='/test' value='foo' hx-swap='afterend' hx-trigger='click'/>")
    input.focus()
    input.click()
    getWorkArea().shadowRoot.activeElement.should.equal(input)
    this.server.respond()
    var input2 = byId('i2')
    getWorkArea().shadowRoot.activeElement.should.equal(input2)
  })

  it('autofocus attribute works properly w/ true value', function() {
    this.server.respondWith('GET', '/test', "<div><input id='i2' value='bar' autofocus='true'/></div>")
    var input = make("<input id='i1' hx-get='/test' value='foo' hx-swap='afterend' hx-trigger='click'/>")
    input.focus()
    input.click()
    getWorkArea().shadowRoot.activeElement.should.equal(input)
    this.server.respond()
    var input2 = byId('i2')
    getWorkArea().shadowRoot.activeElement.should.equal(input2)
  })

  it('multipart/form-data encoding works', function() {
    this.server.respondWith('POST', '/test', function(xhr) {
      should.equal(xhr.requestHeaders['Content-Type'], undefined)
      if (xhr.requestBody.get) { // IE 11 does not support
        xhr.requestBody.get('i1').should.equal('foo')
      }
      xhr.respond(200, {}, 'body: ' + xhr.requestBody)
    })
    var form = make("<form hx-post='/test' hx-encoding='multipart/form-data' hx-trigger='click'>" +
            "<input name='i1'  id='i1' value='foo'/>" +
            '</form>')
    form.focus()
    form.click()
    this.server.respond()
  })

  it('removed elements do not issue requests', function() {
    var count = 0
    this.server.respondWith('GET', '/test', function(xhr) {
      count++
      xhr.respond(200, {}, '')
    })
    var btn = make('<button hx-get="/test">Click Me!</button>')
    htmx.remove(btn)
    btn.click()
    this.server.respond()
    count.should.equal(0)
  })

  it('title tags update title', function() {
    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(200, {}, "<title class=''>htmx rocks!</title>Clicked!")
    })
    var btn = make('<button hx-get="/test">Click Me!</button>')
    btn.click()
    this.server.respond()
    btn.innerText.should.equal('Clicked!')
    window.document.title.should.equal('htmx rocks!')
  })

  it('svg title tags do not update title', function() {
    var originalTitle = window.document.title
    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(200, {}, "<svg class=''><title>" + originalTitle + 'UPDATE' + '</title></svg>Clicked!')
    })
    var btn = make('<button hx-get="/test">Click Me!</button>')
    btn.click()
    this.server.respond()
    btn.innerText.should.equal('Clicked!')
    window.document.title.should.equal(originalTitle)
  })

  it('first title tag outside svg title tags updates title', function() {
    var originalTitle = window.document.title
    var newTitle = originalTitle + '!!!'
    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(200, {}, "<title class=''>" + newTitle + "</title><svg class=''><title>foo</title></svg>Clicked!<title class=''>x</title>")
    })
    var btn = make('<button hx-get="/test">Click Me!</button>')
    btn.click()
    this.server.respond()
    btn.innerText.should.equal('Clicked!')
    window.document.title.should.equal(newTitle)
  })

  it('title update does not URL escape', function() {
    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(200, {}, '<title>&lt;/> htmx rocks!</title>Clicked!')
    })
    var btn = make('<button hx-get="/test">Click Me!</button>')
    btn.click()
    this.server.respond()
    btn.innerText.should.equal('Clicked!')
    window.document.title.should.equal('</> htmx rocks!')
  })

  it('by default 400 content is not swapped', function() {
    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(400, {}, 'Clicked!')
    })
    var btn = make('<button hx-get="/test">Click Me!</button>')
    btn.click()
    this.server.respond()
    btn.innerText.should.equal('Click Me!')
  })

  it('400 content can be swapped if configured to do so', function() {
    var handler = htmx.on('htmx:beforeSwap', function(event) {
      if (event.detail.xhr.status === 400) {
        event.detail.shouldSwap = true
      }
    })

    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(400, {}, 'Clicked!')
    })
    var btn = make('<button hx-get="/test">Click Me!</button>')
    btn.click()
    this.server.respond()
    btn.innerText.should.equal('Clicked!')
    htmx.off('htmx:beforeSwap', handler)
  })

  it('400 content can be retargeted if configured to do so', function() {
    var handler = htmx.on('htmx:beforeSwap', function(event) {
      if (event.detail.xhr.status === 400) {
        event.detail.shouldSwap = true
        event.detail.target = byId('d1')
      }
    })

    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(400, {}, 'Clicked!')
    })
    var btn = make('<button hx-get="/test">Click Me!</button>')
    var div = make('<div id="d1"></div>')
    btn.click()
    this.server.respond()
    div.innerText.should.equal('Clicked!')
    htmx.off('htmx:beforeSwap', handler)
  })

  it('errors are triggered only on 400+', function() {
    var errors = 0
    var handler = htmx.on('htmx:responseError', function() {
      errors++
    })
    this.server.respondWith('GET', '/test1', function(xhr) {
      xhr.respond(204, {}, 'Clicked!')
    })
    this.server.respondWith('GET', '/test2', function(xhr) {
      xhr.respond(400, {}, 'Clicked!')
    })
    var btn1 = make('<button hx-get="/test1">Click Me!</button>')
    var btn2 = make('<button hx-get="/test2">Click Me!</button>')
    btn1.click()
    btn2.click()
    this.server.respond()
    this.server.respond()
    errors.should.equal(1)
    htmx.off('htmx:responseError', handler)
  })

  it('content can be modified if configured to do so', function() {
    var handler = htmx.on('htmx:beforeSwap', function(event) {
      if (event.detail.xhr.status === 400) {
        event.detail.shouldSwap = true
        event.detail.serverResponse = event.detail.serverResponse + '!!'
      }
    })

    this.server.respondWith('GET', '/test', function(xhr) {
      xhr.respond(400, {}, 'Clicked!')
    })
    var btn = make('<button hx-get="/test">Click Me!</button>')
    btn.click()
    this.server.respond()
    btn.innerText.should.equal('Clicked!!!')
    htmx.off('htmx:beforeSwap', handler)
  })

  // This test is causing a global leak because that setGlobal.js script fires twice on load
  // Skipping only so I can make progress on some other things—this needs to be fixed
  it.skip('scripts w/ src attribute are properly loaded', function(done) {
    try {
      this.server.respondWith('GET', '/test', "<script id='setGlobalScript' src='setGlobal.js'></script>")
      var div = make("<div hx-get='/test'></div>")
      div.click()
      this.server.respond()
      byId('setGlobalScript').addEventListener('load', function() {
        window.globalWasCalled.should.equal(true)
        delete window.globalWasCalled
        done()
      })
    } finally {
      delete window.globalWasCalled
    }
  })

  it('should load tags with colon in their names', function() {
    this.server.respondWith('GET', '/test', '<with:colon id="foobar">Foobar</with:colon>')

    var btn = make('<button hx-get="/test">Give me colons!</button>')
    btn.click()
    this.server.respond()

    btn.innerHTML.should.equal('<with:colon id="foobar">Foobar</with:colon>')
  })

  it('properly handles clicked submit button with a value inside a htmx form', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form hx-post="/test">' +
            '<input type="text" name="t1" value="textValue">' +
            '<button id="submit" type="submit" name="b1" value="buttonValue">button</button>' +
            '</form>')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ t1: 'textValue', b1: 'buttonValue' })
  })

  it('properly handles clicked submit input with a value inside a htmx form', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form hx-post="/test">' +
            '<input type="text" name="t1" value="textValue">' +
            '<input id="submit" type="submit" name="b1" value="buttonValue">' +
            '</form>')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ t1: 'textValue', b1: 'buttonValue' })
  })

  it('properly handles clicked submit button with a value inside a non-htmx form', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form>' +
            '<input type="text" name="t1" value="textValue">' +
            '<button id="submit" type="submit" name="b1" value="buttonValue" hx-post="/test">button</button>' +
            '</form>')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ t1: 'textValue', b1: 'buttonValue' })
  })

  it('properly handles clicked submit input with a value inside a non-htmx form', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form>' +
            '<input type="text" name="t1" value="textValue">' +
            '<input id="submit" type="submit" name="b1" value="buttonValue" hx-post="/test">' +
            '</form>')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ t1: 'textValue', b1: 'buttonValue' })
  })

  it('properly handles clicked submit button with a value outside a htmx form', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form id="externalForm" hx-post="/test">' +
            '<input type="text" name="t1" value="textValue">' +
            '</form>' +
            '<button id="submit" form="externalForm" type="submit" name="b1" value="buttonValue">button</button>')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ t1: 'textValue', b1: 'buttonValue' })
  })

  it('properly handles clicked submit input with a value outside a htmx form', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form id="externalForm" hx-post="/test">' +
            '<input type="text" name="t1" value="textValue">' +
            '</form>' +
            '<input id="submit" form="externalForm" type="submit" name="b1" value="buttonValue">')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ t1: 'textValue', b1: 'buttonValue' })
  })

  it('properly handles clicked submit button with a value stacking with regular input', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form hx-post="/test">' +
            '<input type="hidden" name="action" value="A">' +
            '<button id="btnA" type="submit">A</button>' +
            '<button id="btnB" type="submit" name="action" value="B">B</button>' +
            '<button id="btnC" type="submit" name="action" value="C">C</button>' +
            '</form>')

    byId('btnA').click()
    this.server.respond()
    values.should.deep.equal({ action: 'A' })

    byId('btnB').click()
    this.server.respond()
    values.should.deep.equal({ action: ['A', 'B'] })

    byId('btnC').click()
    this.server.respond()
    values.should.deep.equal({ action: ['A', 'C'] })
  })

  it('properly handles clicked submit input with a value stacking with regular input', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form hx-post="/test">' +
            '<input type="hidden" name="action" value="A">' +
            '<input id="btnA" type="submit">A</input>' +
            '<input id="btnB" type="submit" name="action" value="B">B</input>' +
            '<input id="btnC" type="submit" name="action" value="C">C</input>' +
            '</form>')

    byId('btnA').click()
    this.server.respond()
    values.should.deep.equal({ action: 'A' })

    byId('btnB').click()
    this.server.respond()
    values.should.deep.equal({ action: ['A', 'B'] })

    byId('btnC').click()
    this.server.respond()
    values.should.deep.equal({ action: ['A', 'C'] })
  })

  it('properly handles clicked submit button with a value inside a form, referencing another form', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form id="externalForm" hx-post="/test">' +
            '<input type="text" name="t1" value="textValue">' +
            '<input type="hidden" name="b1" value="inputValue">' +
            '</form>' +
            '<form hx-post="/test2">' +
            '<button id="submit" form="externalForm" type="submit" name="b1" value="buttonValue">button</button>' +
            '</form>')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ t1: 'textValue', b1: ['inputValue', 'buttonValue'] })
  })

  it('properly handles clicked submit input with a value inside a form, referencing another form', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form id="externalForm" hx-post="/test">' +
            '<input type="text" name="t1" value="textValue">' +
            '<input type="hidden" name="b1" value="inputValue">' +
            '</form>' +
            '<form hx-post="/test2">' +
            '<input id="submit" form="externalForm" type="submit" name="b1" value="buttonValue">' +
            '</form>')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ t1: 'textValue', b1: ['inputValue', 'buttonValue'] })
  })

  it('properly handles inputs external to form', function() {
    var values
    this.server.respondWith('Post', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(204, {}, '')
    })

    make('<form id="externalForm" hx-post="/test">' +
            '   <input type="hidden" name="b1" value="inputValue">' +
            '</form>' +
            '<input type="text" name="t1" value="textValue" form="externalForm">' +
            '<select name="s1" form="externalForm">' +
            '   <option value="someValue"></option>' +
            '   <option value="selectValue" selected></option>' +
            '</select>' +
            '<button id="submit" form="externalForm" type="submit" name="b1" value="buttonValue">button</button>')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ t1: 'textValue', b1: ['inputValue', 'buttonValue'], s1: 'selectValue' })
  })

  it('handles form post with button formmethod dialog properly', function() {
    var values
    this.server.respondWith('POST', '/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(200, {}, '')
    })

    make('<dialog><form hx-post="/test"><button id="submit" formmethod="dialog" name="foo" value="bar">submit</button></form></dialog>')

    byId('submit').click()
    this.server.respond()
    values.should.deep.equal({ foo: 'bar' })
  })

  it('handles form get with button formmethod dialog properly', function() {
    var responded = false
    this.server.respondWith('GET', '/test', function(xhr) {
      responded = true
      xhr.respond(200, {}, '')
    })

    make('<dialog><form hx-get="/test"><button id="submit" formmethod="dialog">submit</button></form></dialog>')

    byId('submit').click()
    this.server.respond()
    responded.should.equal(true)
  })

  it('can associate submit buttons from outside a form with the current version of the form after swap', function() {
    const template = '<form ' +
              'id="hello" ' +
              'hx-target="#hello" ' +
              'hx-select="#hello" ' +
              'hx-swap="outerHTML" ' +
              'hx-post="/test">\n' +
              '<input id="input" type="text" name="name" />\n' +
              '<button name="value" type="submit">Submit</button>\n' +
              '</form>\n' +
              '<button id="outside" name="outside" form="hello" type="submit">Outside</button>'

    var values
    this.server.respondWith('/test', function(xhr) {
      values = getParameters(xhr)
      xhr.respond(200, {}, template)
    })
    make(template)
    const button = byId('outside')
    button.focus()
    button.click()
    this.server.respond()
    values.should.deep.equal({ name: '', outside: '' })
    button.focus()
    button.click()
    this.server.respond()
    values.should.deep.equal({ name: '', outside: '' })
  })
})