Step available 039 (AB)

Tests function p:step-available with use-when.

Test is expected to pass.

The pipeline

<p:declare-step xmlns:ex="http://extension-step.org"
                xmlns:p="http://www.w3.org/ns/xproc"
                xmlns:t="http://xproc.org/ns/testsuite/3.0" name="main" version="3.0">
   <p:output port="result"/>
   <p:declare-step type="ex:test"
                   use-when="p:step-available('ex:test1')">
      <p:output port="result"/>
      <p:identity>
         <p:with-input>
            <doc/>
         </p:with-input>
      </p:identity>
   </p:declare-step>
   <p:declare-step type="ex:test1" use-when="true()">
      <p:output port="result"/>
      <p:identity>
         <p:with-input>
            <doc/>
         </p:with-input>
      </p:identity>
   </p:declare-step>
   <p:identity>
      <p:with-input>
         <result>
            <test>{p:step-available('ex:test')}</test>
            <test1>{p:step-available('ex:test1')}</test1>
         </result>
      </p:with-input>
   </p:identity>
</p:declare-step>

Result

<result xmlns:ex="http://extension-step.org"
        xmlns:t="http://xproc.org/ns/testsuite/3.0">
   <test>true</test>
   <test1>true</test1>
</result>

Schematron checks

<s:schema xmlns="http://www.w3.org/1999/xhtml"
          xmlns:s="http://purl.oclc.org/dsdl/schematron" xmlns:t="http://xproc.org/ns/testsuite/3.0"
          queryBinding="xslt2">
   <s:pattern>
      <s:rule context="/">
         <s:assert test="result">The document root is not “result”.</s:assert>
         <s:assert test="result/test/text()='true'">p:step-available for 'ex:test' is wrong.</s:assert>
         <s:assert test="result/test1/text()='true'">p:step-available for 'ex:test1' is wrong.</s:assert>
      </s:rule>
   </s:pattern>
</s:schema>

Revision history

30 Dec 2021, Achim Berndzen: Test added.