json-patch-merge-002

Example test from RFC 7386.

Test is expected to pass.

The pipeline

<p:declare-step xmlns:cx="http://xmlcalabash.com/ns/extensions"
                xmlns:p="http://www.w3.org/ns/xproc"
                xmlns:t="http://xproc.org/ns/testsuite/3.0" name="main" version="3.0"
                expand-text="false">
   <p:import href="https://xmlcalabash.com/ext/library/json-patch.xpl"/>
   <p:output port="result"/>
   <p:add-xml-base all="true" relative="false">
      <p:with-input>
         <doc/>
      </p:with-input>
   </p:add-xml-base>
   <cx:json-patch cx:expand-text="false" merge="true">
      <p:with-input>
         <p:inline content-type="application/json">{"a":"b"}</p:inline>
      </p:with-input>
      <p:with-input port="patch">
         <p:inline content-type="application/json">{"b":"c"}</p:inline>
      </p:with-input>
   </cx:json-patch>
   <p:cast-content-type content-type="application/xml"/>
</p:declare-step>

Result

<map xmlns="http://www.w3.org/2005/xpath-functions"
     xmlns:t="http://xproc.org/ns/testsuite/3.0">
   <string key="a">b</string>
   <string key="b">c</string>
</map>

Schematron checks

<s:schema xmlns:s="http://purl.oclc.org/dsdl/schematron"
          xmlns:t="http://xproc.org/ns/testsuite/3.0" queryBinding="xslt2">
   <s:ns prefix="fn"
         uri="http://www.w3.org/2005/xpath-functions"/>
   <s:pattern>
      <s:rule context="/">
         <s:assert test="fn:map">The root is not map.</s:assert>
         <s:assert test="count(fn:map/*) = 2">Wrong number of keys.</s:assert>
         <s:assert test="fn:map/fn:string[@key='a']='b'">a != b</s:assert>
         <s:assert test="fn:map/fn:string[@key='b']='c'">b != c</s:assert>
      </s:rule>
   </s:pattern>
</s:schema>

Revision history

09 May 2025, Norm Tovey-Walsh: Created test.