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|
context "Check visibility",
should "detect visible elements as visible", ->
document.getElementById("test-div").innerHTML = """
<div id='foo'>test</div>
"""
assert.isTrue (DomUtils.getVisibleClientRect document.getElementById 'foo') != null
should "detect display:none links as hidden", ->
document.getElementById("test-div").innerHTML = """
<a id='foo' style='display:none'>test</a>
"""
assert.equal null, DomUtils.getVisibleClientRect document.getElementById 'foo'
should "detect visibility:hidden links as hidden", ->
document.getElementById("test-div").innerHTML = """
<a id='foo' style='visibility:hidden'>test</a>
"""
assert.equal null, DomUtils.getVisibleClientRect document.getElementById 'foo'
should "detect elements nested in display:none elements as hidden", ->
document.getElementById("test-div").innerHTML = """
<div style='display:none'>
<a id='foo'>test</a>
</div>
"""
assert.equal null, DomUtils.getVisibleClientRect document.getElementById 'foo'
should "detect links nested in visibility:hidden elements as hidden", ->
document.getElementById("test-div").innerHTML = """
<div style='visibility:hidden'>
<a id='foo'>test</a>
</div>
"""
assert.equal null, DomUtils.getVisibleClientRect document.getElementById 'foo'
should "detect links outside viewport as hidden", ->
document.getElementById("test-div").innerHTML = """
<a id='foo' style='position:absolute;top:-2000px'>test</a>
<a id='bar' style='position:absolute;left:2000px'>test</a>
"""
assert.equal null, DomUtils.getVisibleClientRect document.getElementById 'foo'
assert.equal null, DomUtils.getVisibleClientRect document.getElementById 'bar'
should "detect opacity:0 links as hidden", ->
document.getElementById("test-div").innerHTML = """
<a id='foo' style='opacity:0'>test</a>
"""
assert.equal null, DomUtils.getVisibleClientRect document.getElementById 'foo'
should "detect links that contain only floated / absolutely-positioned divs as visible", ->
document.getElementById("test-div").innerHTML = """
<a id='foo'>
<div style='float:left'>test</div>
</a>
"""
assert.isTrue (DomUtils.getVisibleClientRect document.getElementById 'foo') != null
document.getElementById("test-div").innerHTML = """
<a id='foo'>
<div style='position:absolute;top:0;left:0'>test</div>
</a>
"""
assert.isTrue (DomUtils.getVisibleClientRect document.getElementById 'foo') != null
should "detect links that contain only invisible floated divs as invisible", ->
document.getElementById("test-div").innerHTML = """
<a id='foo'>
<div style='float:left;visibility:hidden'>test</div>
</a>
"""
assert.equal null, DomUtils.getVisibleClientRect document.getElementById 'foo'
should "detect links inside opacity:0 elements as visible", ->
# XXX This is an expected failure. See issue #16.
document.getElementById("test-div").innerHTML = """
<div style='opacity:0'>
<a id='foo'>test</a>
</div>
"""
assert.isTrue (DomUtils.getVisibleClientRect document.getElementById 'foo') != null
should "Detect links within SVGs as visible", ->
# XXX this is an expected failure
document.getElementById("test-div").innerHTML = """
<svg>
<a id='foo' xlink:href='http://www.example.com/'>
<text x='0' y='68'>test</text>
</a>
</svg>
"""
assert.equal null, DomUtils.getVisibleClientRect document.getElementById 'foo'
|
