63 lines
2.2 KiB
TypeScript
63 lines
2.2 KiB
TypeScript
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import assert from 'node:assert/strict';
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import { describe, it } from 'node:test';
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import {
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PCQ_QUESTION_IDS,
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applyReverseScoring,
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isReverseScored,
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parseLikertValue,
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scoreAnswer,
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scoreAssessment,
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ScoringValidationError,
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validateAnswers,
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} from '../src/modules/assessments/scoring/index.js';
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function answersWithValue(value: string | number) {
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return PCQ_QUESTION_IDS.map((questionId) => ({ questionId, selectedValue: value }));
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}
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describe('PCQ-24 scoring engine', () => {
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it('reverse-scores pcq_13, pcq_20, and pcq_23 with 7 - raw', () => {
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assert.equal(isReverseScored('pcq_13'), true);
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assert.equal(isReverseScored('pcq_20'), true);
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assert.equal(isReverseScored('pcq_23'), true);
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assert.equal(isReverseScored('pcq_01'), false);
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assert.equal(applyReverseScoring(1), 6);
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assert.equal(applyReverseScoring(6), 1);
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assert.equal(applyReverseScoring('4'), 3);
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});
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it('keeps raw Likert and stores reverse-scored points separately', () => {
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const scored = scoreAnswer('pcq_13', '2');
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assert.ok(scored);
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assert.equal(scored.selectedValue, 2);
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assert.equal(scored.rawScore, 5);
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assert.equal(scored.dimension, 'resilience');
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assert.equal(scored.isReverseScored, true);
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});
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it('scores a uniform Likert-4 attempt with known totals', () => {
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const result = scoreAssessment('pre', answersWithValue(4));
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assert.equal(result.totalScore, 93);
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assert.equal(result.dimensions.efficacy, 24);
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assert.equal(result.dimensions.hope, 24);
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assert.equal(result.dimensions.resilience, 23);
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assert.equal(result.dimensions.optimism, 22);
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const reverse = result.answers.filter((answer) => answer.isReverseScored);
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assert.equal(reverse.length, 3);
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for (const answer of reverse) {
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assert.equal(answer.selectedValue, 4);
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assert.equal(answer.rawScore, 3);
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}
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});
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it('rejects incomplete or out-of-range answers', () => {
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assert.equal(validateAnswers(answersWithValue(4).slice(0, 23)).isValid, false);
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assert.equal(parseLikertValue('7'), null);
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assert.throws(
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() => scoreAssessment('pre', answersWithValue(7)),
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(err: unknown) => err instanceof ScoringValidationError,
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);
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});
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});
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