$ echo "[[File:Test.jpg|link=http://test{{1x|345}}|odd]]" | php maintenance/run parse
<p><span class="mw-default-size" typeof="mw:File"><a href="http://test345" title="odd" rel="nofollow"><img alt="odd" src="https://upload.wikimedia.org/wikipedia/commons/2/28/JPG_Test.jpg" decoding="async" width="1733" height="2601" class="mw-file-element" /></a></span>
</p>

$ echo "[[File:Test.jpg|link=http://test{{1x|345}}|odd]]" | php maintenance/run parse --parsoid
<section data-mw-section-id="0" id="mwAQ"><p id="mwAg"><span class="mw-default-size" typeof="mw:File mw:Placeholder" id="mwAw" data-mw='{"caption":"odd"}'><a href="http://test{{1x" rel="nofollow" title="odd" id="mwBA"><img alt="odd" resource="http://ve:8080/wiki/File:Test.jpg" src="https://upload.wikimedia.org/wikipedia/commons/2/28/JPG_Test.jpg" decoding="async" data-file-width="1733" data-file-height="2601" data-file-type="bitmap" height="2601" width="1733" class="mw-file-element" id="mwBQ"/></a></span></p>
</section>