STACK: Update code for latest STACK API version and add feature testsuite example

examples/stack/features/assets/stack/01_integration_with_feedback.xml

@@ -0,0 +1,194 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<quiz>
+<!-- question: 17332  -->
+  <question type="stack">
+    <name>
+      <text>Integration</text>
+    </name>
+    <questiontext format="html">
+      <text><![CDATA[<p>Find \[ \int {@p@} d{@v@}\] [[input:ans1]] [[validation:ans1]]</p>]]></text>
+    </questiontext>
+    <generalfeedback format="html">
+      <text><![CDATA[<p>We can either do this question by inspection (i.e. spot the answer) or in a more formal manner by using the substitution \[ u = ({@v@}-{@a@}).\] Then, since \(\frac{d}{d{@v@}}u=1\) we have \[ \int {@p@} d{@v@} = \int u^{@n@} du = \frac{u^{@n+1@}}{@n+1@}+c = {@ta@}+c.\]</p>]]></text>
+    </generalfeedback>
+    <defaultgrade>1</defaultgrade>
+    <penalty>0.1</penalty>
+    <hidden>0</hidden>
+    <idnumber></idnumber>
+    <stackversion>
+      <text>2025030700</text>
+    </stackversion>
+    <questionvariables>
+      <text>n:rand(5)+3;
+ a:rand(5)+3;
+ v:x
+ p:(v-a)^n;
+ ta:(v-a)^(n+1)/(n+1);</text>
+    </questionvariables>
+    <specificfeedback format="html">
+      <text><![CDATA[<p>[[feedback:prt1]]</p>]]></text>
+    </specificfeedback>
+    <questionnote format="moodle_auto_format">
+      <text>\(\int {@p@} d{@v@} = {@ta@}+c\)</text>
+    </questionnote>
+    <questiondescription format="moodle_auto_format">
+      <text></text>
+    </questiondescription>
+    <questionsimplify>1</questionsimplify>
+    <assumepositive>0</assumepositive>
+    <assumereal>0</assumereal>
+    <prtcorrect format="html">
+      <text><![CDATA[Correct answer, well done.]]></text>
+    </prtcorrect>
+    <prtpartiallycorrect format="html">
+      <text><![CDATA[Your answer is partially correct.]]></text>
+    </prtpartiallycorrect>
+    <prtincorrect format="html">
+      <text><![CDATA[Incorrect answer.]]></text>
+    </prtincorrect>
+    <decimals>.</decimals>
+    <scientificnotation>*10</scientificnotation>
+    <multiplicationsign>dot</multiplicationsign>
+    <sqrtsign>1</sqrtsign>
+    <complexno>i</complexno>
+    <inversetrig>cos-1</inversetrig>
+    <logicsymbol>lang</logicsymbol>
+    <matrixparens>[</matrixparens>
+    <variantsselectionseed></variantsselectionseed>
+    <input>
+      <name>ans1</name>
+      <type>algebraic</type>
+      <tans>ta+c</tans>
+      <boxsize>20</boxsize>
+      <strictsyntax>1</strictsyntax>
+      <insertstars>0</insertstars>
+      <syntaxhint></syntaxhint>
+      <syntaxattribute>0</syntaxattribute>
+      <forbidwords>int</forbidwords>
+      <allowwords></allowwords>
+      <forbidfloat>1</forbidfloat>
+      <requirelowestterms>1</requirelowestterms>
+      <checkanswertype>1</checkanswertype>
+      <mustverify>1</mustverify>
+      <showvalidation>1</showvalidation>
+      <options></options>
+    </input>
+    <prt>
+      <name>prt1</name>
+      <value>1.0000000</value>
+      <autosimplify>1</autosimplify>
+      <feedbackstyle>1</feedbackstyle>
+      <feedbackvariables>
+        <text></text>
+      </feedbackvariables>
+      <node>
+        <name>0</name>
+        <description></description>
+        <answertest>Int</answertest>
+        <sans>ans1</sans>
+        <tans>ta</tans>
+        <testoptions>v</testoptions>
+        <quiet>0</quiet>
+        <truescoremode>=</truescoremode>
+        <truescore>1</truescore>
+        <truepenalty></truepenalty>
+        <truenextnode>-1</truenextnode>
+        <trueanswernote>1-0-T </trueanswernote>
+        <truefeedback format="html">
+          <text></text>
+        </truefeedback>
+        <falsescoremode>=</falsescoremode>
+        <falsescore>0</falsescore>
+        <falsepenalty></falsepenalty>
+        <falsenextnode>-1</falsenextnode>
+        <falseanswernote>1-0-F </falseanswernote>
+        <falsefeedback format="html">
+          <text></text>
+        </falsefeedback>
+      </node>
+    </prt>
+    <deployedseed>1001758021</deployedseed>
+    <deployedseed>165520961</deployedseed>
+    <deployedseed>1575780430</deployedseed>
+    <deployedseed>1893097548</deployedseed>
+    <deployedseed>196914510</deployedseed>
+    <deployedseed>119069312</deployedseed>
+    <deployedseed>2028726687</deployedseed>
+    <deployedseed>788370893</deployedseed>
+    <deployedseed>400217408</deployedseed>
+    <deployedseed>1304537090</deployedseed>
+    <deployedseed>1439331987</deployedseed>
+    <deployedseed>193373653</deployedseed>
+    <qtest>
+      <testcase>1</testcase>
+      <description></description>
+      <testinput>
+        <name>ans1</name>
+        <value>ta+c</value>
+      </testinput>
+      <expected>
+        <name>prt1</name>
+        <expectedscore>1.0000000</expectedscore>
+        <expectedpenalty>0.0000000</expectedpenalty>
+        <expectedanswernote>1-0-T</expectedanswernote>
+      </expected>
+    </qtest>
+    <qtest>
+      <testcase>2</testcase>
+      <description></description>
+      <testinput>
+        <name>ans1</name>
+        <value>ta</value>
+      </testinput>
+      <expected>
+        <name>prt1</name>
+        <expectedscore>0.0000000</expectedscore>
+        <expectedpenalty>0.1000000</expectedpenalty>
+        <expectedanswernote>1-0-F</expectedanswernote>
+      </expected>
+    </qtest>
+    <qtest>
+      <testcase>3</testcase>
+      <description></description>
+      <testinput>
+        <name>ans1</name>
+        <value>ev(n*(v-a)^(n-1),simp)</value>
+      </testinput>
+      <expected>
+        <name>prt1</name>
+        <expectedscore>0.0000000</expectedscore>
+        <expectedpenalty>0.1000000</expectedpenalty>
+        <expectedanswernote>1-0-F</expectedanswernote>
+      </expected>
+    </qtest>
+    <qtest>
+      <testcase>4</testcase>
+      <description></description>
+      <testinput>
+        <name>ans1</name>
+        <value>(v-a)^(n+1)</value>
+      </testinput>
+      <expected>
+        <name>prt1</name>
+        <expectedscore>0.0000000</expectedscore>
+        <expectedpenalty>0.1000000</expectedpenalty>
+        <expectedanswernote>1-0-F</expectedanswernote>
+      </expected>
+    </qtest>
+    <qtest>
+      <testcase>5</testcase>
+      <description></description>
+      <testinput>
+        <name>ans1</name>
+        <value>ev(float(ta),simp)</value>
+      </testinput>
+      <expected>
+        <name>prt1</name>
+        <expectedscore></expectedscore>
+        <expectedpenalty></expectedpenalty>
+        <expectedanswernote>NULL</expectedanswernote>
+      </expected>
+    </qtest>
+  </question>
+
+</quiz>

examples/stack/features/assets/stack/01_integration_with_feedback.yaml

@@ -0,0 +1,97 @@
+name: Integration
+questiontext: '<p>Find \[ \int {@p@} d{@v@}\] [[input:ans1]] [[validation:ans1]]</p>'
+generalfeedback: '<p>We can either do this question by inspection (i.e. spot the answer) or in a more formal manner by using the substitution \[ u = ({@v@}-{@a@}).\] Then, since \(\frac{d}{d{@v@}}u=1\) we have \[ \int {@p@} d{@v@} = \int u^{@n@} du = \frac{u^{@n+1@}}{@n+1@}+c = {@ta@}+c.\]</p>'
+stackversion: '2025030700'
+questionvariables: |-
+  n:rand(5)+3;
+   a:rand(5)+3;
+   v:x
+   p:(v-a)^n;
+   ta:(v-a)^(n+1)/(n+1);
+questionnote: '\(\int {@p@} d{@v@} = {@ta@}+c\)'
+questionnoteformat: moodle_auto_format
+questiondescriptionformat: moodle_auto_format
+questionsimplify: '1'
+prtcorrect: 'Correct answer, well done.'
+prtpartiallycorrect: 'Your answer is partially correct.'
+prtincorrect: 'Incorrect answer.'
+input:
+  - name: ans1
+    type: algebraic
+    tans: ta+c
+    boxsize: '20'
+    forbidwords: int
+    forbidfloat: '1'
+    requirelowestterms: '1'
+    checkanswertype: '1'
+    mustverify: '1'
+    showvalidation: '1'
+prt:
+  - name: prt1
+    autosimplify: '1'
+    feedbackstyle: '1'
+    node:
+      - name: '0'
+        answertest: Int
+        sans: ans1
+        tans: ta
+        testoptions: v
+        quiet: '0'
+        trueanswernote: '1-0-T '
+        falseanswernote: '1-0-F '
+deployedseed:
+  - '1001758021'
+  - '165520961'
+  - '1575780430'
+  - '1893097548'
+  - '196914510'
+  - '119069312'
+  - '2028726687'
+  - '788370893'
+  - '400217408'
+  - '1304537090'
+  - '1439331987'
+  - '193373653'
+qtest:
+  - testcase: '1'
+    testinput:
+      - name: ans1
+        value: ta+c
+    expected:
+      - name: prt1
+        expectedscore: '1.0000000'
+        expectedpenalty: '0.0000000'
+  - testcase: '2'
+    testinput:
+      - name: ans1
+        value: ta
+    expected:
+      - name: prt1
+        expectedscore: '0.0000000'
+        expectedpenalty: '0.1000000'
+        expectedanswernote: 1-0-F
+  - testcase: '3'
+    testinput:
+      - name: ans1
+        value: 'ev(n*(v-a)^(n-1),simp)'
+    expected:
+      - name: prt1
+        expectedscore: '0.0000000'
+        expectedpenalty: '0.1000000'
+        expectedanswernote: 1-0-F
+  - testcase: '4'
+    testinput:
+      - name: ans1
+        value: (v-a)^(n+1)
+    expected:
+      - name: prt1
+        expectedscore: '0.0000000'
+        expectedpenalty: '0.1000000'
+        expectedanswernote: 1-0-F
+  - testcase: '5'
+    testinput:
+      - name: ans1
+        value: 'ev(float(ta),simp)'
+    expected:
+      - name: prt1
+        expectedanswernote: 'NULL'