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feat: implement branchRules at testPart level. #369

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feat: implement branchRules at testPart level. #369

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10 changes: 10 additions & 0 deletions src/qtism/runtime/tests/AbstractSessionManager.php
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@
use qtism\data\IAssessmentItem;
use qtism\data\NavigationMode;
use qtism\data\SubmissionMode;
use qtism\data\TestPart;

/**
* The AbstractSessionManager class is a bed for instantiating
Expand Down Expand Up @@ -148,6 +149,7 @@ protected function createRoute(AssessmentTest $test): Route
{
$routeStack = [];

/** @var TestPart $testPart */
foreach ($test->getTestParts() as $testPart) {
$assessmentSectionStack = [];

Expand Down Expand Up @@ -212,10 +214,18 @@ protected function createRoute(AssessmentTest $test): Route
}
}
}

// $route contains the currently processed testPart.
// Now, decorate last RouteItem of SelectableRoute with BranchRule objects if any.
if (!empty($route) && $route->count() > 0) {
$route->getLastRouteItem()->addBranchRules($testPart->getBranchRules());
}
}

$finalRoutes = $routeStack;
$route = new SelectableRoute();

/** @var SelectableRoute $finalRoute */
foreach ($finalRoutes as $finalRoute) {
$route->appendRoute($finalRoute);
}
Expand Down
18 changes: 18 additions & 0 deletions test/qtismtest/runtime/tests/AssessmentTestSessionBranchingsTest.php
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Expand Up @@ -248,4 +248,22 @@ public function testBranchingOnPreconditon(): void
$this::assertNull($session['Q03.SCORE']);
$this::assertSame(1.0, $session['Q04.SCORE']->getValue());
}

public function testBranchingOnTestPartsSimple1(): void
{
$session = self::instantiate(self::samplesDir() . 'custom/runtime/branchings/branchings_testparts.xml');
$session->beginTestSession();

// We are starting at item Q01, in testPart P01.
$this->assertEquals('Q01', $session->getCurrentAssessmentItemRef()->getIdentifier());

// Let's jump to testPart P03.
$session->beginAttempt();
$session->endAttempt(new State([new ResponseVariable('RESPONSE', Cardinality::SINGLE, BaseType::IDENTIFIER, new QtiIdentifier('GotoP03'))]));
$session->moveNext();

// We expect to land in testPart P03, item Q03.
$this->assertEquals('Q03', $session->getCurrentAssessmentItemRef()->getIdentifier());
$this->assertEquals('P03', $session->getCurrentTestPart()->getIdentifier());
}
}
37 changes: 37 additions & 0 deletions test/samples/custom/runtime/branchings/branchings_testparts.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
<?xml version="1.0" encoding="UTF-8"?>
<assessmentTest xmlns="http://www.imsglobal.org/xsd/imsqti_v2p1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.imsglobal.org/xsd/imsqti_v2p1 http://www.taotesting.com/xsd/qticompact_v2p1.xsd"
identifier="branchings_single_section_linear" title="Branchings Single Section Linear">
<testPart identifier="P01" navigationMode="linear" submissionMode="individual">
<!-- If the response to Q01 "GotoP02", redirect to testPart "P02". -->
<branchRule target="P02">
<match>
<variable identifier="Q01.RESPONSE"/>
<baseValue baseType="identifier">GotoP02</baseValue>
</match>
</branchRule>
<!-- If the response to Q01 "GotoP03", redirect to testPart "P03". -->
<branchRule target="P03">
<match>
<variable identifier="Q01.RESPONSE"/>
<baseValue baseType="identifier">GotoP03</baseValue>
</match>
</branchRule>
<assessmentSection identifier="S01" fixed="false" title="Section1" visible="false">
<assessmentItemRef identifier="Q01" href="./Q01.xml" fixed="false" timeDependent="false">
<responseDeclaration identifier="RESPONSE" cardinality="single" baseType="identifier"/>
</assessmentItemRef>
</assessmentSection>
</testPart>
<testPart identifier="P02" navigationMode="linear" submissionMode="individual">
<assessmentSection identifier="S02" fixed="false" title="Section2" visible="false">
<assessmentItemRef identifier="Q02" href="./Q02.xml" fixed="false" timeDependent="false"/>
</assessmentSection>
</testPart>
<testPart identifier="P03" navigationMode="linear" submissionMode="individual">
<assessmentSection identifier="S03" fixed="false" title="Section3" visible="false">
<assessmentItemRef identifier="Q03" href="./Q03.xml" fixed="false" timeDependent="false"/>
</assessmentSection>
</testPart>
</assessmentTest>