Tests application/sparql-results+json can be cast to text/plain.
Test rdf-srj-003.xml is expected to pass.
<p:declare-step xmlns:cx="http://xmlcalabash.com/ns/extensions" xmlns:p="http://www.w3.org/ns/xproc" name="main" version="3.0" expand-text="false">
<p:import href="https://xmlcalabash.com/ext/library/rdf.xpl"/>
<p:output port="result"/>
<cx:sparql content-type="application/sparql-results+json">
<p:with-input port="source" href="../documents/address-book.rdf"/>
<p:with-input port="query" href="../documents/query2.rq"/>
</cx:sparql>
<p:cast-content-type content-type="text/plain"/>
<p:wrap-sequence wrapper="text"/>
</p:declare-step>
<s:schema xmlns:s="http://purl.oclc.org/dsdl/schematron" queryBinding="xslt2">
<s:pattern>
<s:rule context="/">
<s:assert test="text">The root is not text.</s:assert>
<s:assert test="contains(text, 'Patina')">One of the expected results is missing.</s:assert>
<s:assert test="count(tokenize(text, '
')) = 18">Wrong number of results: <s:value-of select="count(tokenize(text, '
'))"/>.</s:assert>
</s:rule>
</s:pattern>
</s:schema>
Created test.