[warning: tl;dr]
I'm working on new selenium tests and found an issue wanting to print elements
containing self-closing tags. In our access rights page we have markup like
(I've used ... to shorten some outputs):
----- %< -----
<span class="option">
<label for="on.persons_can_change_their_passwords">
<input ... />
<span class="label">...</span>
</label>
</span>
<span class="option">
<label for="off.persons_can_change_their_passwords">
<input ... />
<span class="label">...</span>
</label>
</span>
----- %< -----
So I was trying to print the <label> elements using (btw, I've got addicted to
css3 selectors now, die xpath! :D):
>>> css_selector = 'label[for$=".persons_can_change_their_passwords"]'
>>> manager.printHTML(manager.query_all.css(css_selector))
and I got:
<label for="on.persons_can_change_their_passwords">
<input ...>
<span class="label">
...
</span>
</input>
</label>
<label for="off.persons_can_change_their_passwords">
<input ...>
<span class="label">
...
</span>
</input>
</label>
Note the <input> surrounding the <span>. So, I started to dig and got first to
schooltool.testing.selenium.getWebElementHTML (which btw was missing the driver
argument in the recursive call to itself). I noticed getWebElementHTML was
producing:
<label for="on.persons_can_change_their_passwords">
<input ...>
<span class="label">Users can change their own passwords.</span>
</label>
<input ...> misses the closing "/>" here, as a result of calling innerHTML on
the driver. I couldn't find a way to make innerHTML to spit the '/>' other than
using search/replace.
This html is next passed to the schooltool.testing.selenium.HTMLSerializer,
which finally produces the <input>...</input> representation. Unfortunately, at
this point we cannot parse the string as XML anymore.
HTMLSerializer.print_tag seems to try to insert the '/>' on empty elements, but
in this case the parsing phase has already created an element inside the
<input>...</input>.
In the meantime, I'm going to use selectors to get to the <input ... />
elements directly:
>>> css_selector = 'input[id$=".persons_can_change_their_passwords"]'
>>> manager.printHTML(manager.query_all.css(css_selector))
which produces:
<input ... />
<input ... />
but I think the current behaviour is kind of annoying. Just my $0.02 :)
Douglas
"... allí es cuando te das cuenta que las cosas malas pueden resultar bastante
buenas..." - Lionel Messi
Por favor, evite enviarme adjuntos de Word, Excel o PowerPoint.
Vea http://www.gnu.org/philosophy/no-word-attachments.es.html
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