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var test = require("tape")
module.exports = testDomElement
function testDomElement(document) {
var cleanup = require('./cleanup')(document)
test("can getElementsByClassName", function(assert) {
function append_div(classNames, parent) {
var div = document.createElement("div")
div.className = classNames
parent.appendChild(div)
return div
}
function assertMatch(classNames, expectedElements, parent) {
var parent = parent || document
var result = parent.getElementsByClassName(classNames)
assert.equal(result.length, expectedElements.length)
for (var i = 0; i < expectedElements.length; i++) {
assert.notEqual(expectedElements.indexOf(result[i]), -1)
}
}
var divA = append_div("A", document.body)
var divB = append_div("B", document.body)
var divC = append_div("C", document.body)
var divA1 = append_div("A1", divA)
var divA2 = append_div("A2", divA)
var divB1 = append_div("B1", divB)
var divB2 = append_div("B2", divB)
var divB2a = append_div("B2a", divB2)
var divB2b = append_div("B2b", divB2)
assertMatch("A", [divA])
assertMatch("B", [divB])
assertMatch("C", [divC])
assertMatch("A1", [divA1])
assertMatch("A2", [divA2])
assertMatch("B1", [divB1])
assertMatch("B2", [divB2])
assertMatch("B2a", [divB2a])
assertMatch("B2b", [divB2b])
assertMatch("A1", [divA1], divA)
assertMatch("A2", [divA2], divA)
assertMatch("A1", [], divB)
assertMatch("A2", [], divC)
assertMatch("B1", [divB1], divB)
assertMatch("B2", [divB2], divB)
assertMatch("B2a", [divB2a], divB)
assertMatch("B2a", [divB2a], divB2)
assertMatch("B2b", [], divA)
cleanup()
assert.end()
})
test("does not serialize innerText as an attribute", function(assert) {
var div = document.createElement("div")
div.innerText = "Test <&>"
assert.equal(div.toString(), "<div>Test <&></div>")
cleanup()
assert.end()
})
test("does not serialize innerHTML as an attribute", function(assert) {
var div = document.createElement("div")
div.innerHTML = "Test <img />"
assert.equal(div.toString(), "<div>Test <img /></div>")
cleanup()
assert.end()
})
test("can getElementsByTagName", function(assert) {
var parent = document.createElement("div")
var child1 = document.createElement("span")
var child2 = document.createElement("span")
child1.id = "foo"
child2.id = "bar"
child1.appendChild(child2)
parent.appendChild(child1)
var elems = parent.getElementsByTagName("SPAN")
assert.equal(elems.length, 2)
assert.equal(elems[0].id, "foo")
assert.equal(elems[1].id, "bar")
cleanup()
assert.end()
})
test("can getElementsByTagName with *", function(assert) {
var e1 = document.createElement("div")
var e2 = document.createElement("p")
var e3 = document.createElement("span")
e1.appendChild(e2)
e2.appendChild(e3)
// non-elements should be ignored
e3.appendChild(document.createTextNode('foo'))
e3.appendChild(document.createComment('bar'))
var elems = e1.getElementsByTagName("*")
assert.equal(elems.length, 2)
assert.equal(elems[0].tagName, "P")
assert.equal(elems[1].tagName, "SPAN")
cleanup()
assert.end()
})
test("getElement* methods can be passed to map()", function(assert) {
var container = document.createElement("div")
var e1 = document.createElement("div")
var e2 = document.createElement("span")
container.appendChild(e1)
container.appendChild(e2)
assert.deepEqual(
["div", "span"].map(container.getElementsByTagName.bind(container)),
[[e1], [e2]]
)
e1.className = "foo"
e2.className = "bar"
assert.deepEqual(
["foo", "bar"].map(container.getElementsByClassName.bind(container)),
[[e1], [e2]]
)
cleanup()
assert.end()
})
test("can serialize comment nodes", function(assert) {
var div = document.createElement("div")
div.appendChild(document.createComment("test"))
assert.equal(div.toString(), "<div><!--test--></div>")
cleanup()
assert.end()
})
test("can serialize style property", function(assert) {
var div = document.createElement("div")
div.style.fontSize = "16px"
assert.equal(div.toString(), "<div style=\"font-size:16px;\"></div>")
cleanup();
assert.end()
})
test("can serialize style as a string", function(assert) {
var div = document.createElement("div")
div.setAttribute('style', 'display: none')
assert.equal(div.toString(), "<div style=\"display: none\"></div>")
cleanup()
assert.end()
})
test("can serialize text nodes", function(assert) {
var div = document.createElement("div")
div.appendChild(document.createTextNode('<test> "&'))
assert.equal(div.toString(), '<div><test> "&</div>')
cleanup()
assert.end()
})
test("escapes serialized attribute values", function(assert) {
var div = document.createElement("div")
div.setAttribute("data-foo", '<p>"&')
assert.equal(div.toString(), '<div data-foo="<p>"&"></div>')
cleanup()
assert.end()
})
test("can check if an element contains another", function(assert) {
var parent = document.createElement("div")
var sibling = document.createElement("div")
var child1 = document.createElement("div")
var child2 = document.createElement("div")
child1.appendChild(child2)
parent.appendChild(child1)
assert.equal(parent.contains(parent), true)
assert.equal(parent.contains(sibling), false)
assert.equal(parent.contains(child1), true)
assert.equal(parent.contains(child2), true)
cleanup()
assert.end()
})
test("can handle non string attribute values", function(assert) {
var div = document.createElement("div")
div.setAttribute("data-number", 100)
div.setAttribute("data-boolean", true)
div.setAttribute("data-null", null)
assert.equal(div.toString(), '<div data-number="100" data-boolean="true" data-null=""></div>')
cleanup()
assert.end()
})
test("can serialize textarea correctly", function(assert) {
var input = document.createElement("textarea")
input.setAttribute("name", "comment")
input.innerHTML = "user input here"
assert.equal(input.toString(), '<textarea name="comment">user input here</textarea>')
cleanup()
assert.end()
})
}
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