Initial: Intelligrade Lite — client-side digital exam platform MVP
This commit is contained in:
Bun Bun
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import assert from 'node:assert';
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import test from 'node:test';
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// Test grading utilities
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function gradeQuestion(question, answer) {
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const answerValue = answer.value;
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switch (question.type) {
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case 'multiple_choice':
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if (typeof answerValue === 'string' && question.correctAnswer) {
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return answerValue === question.correctAnswer ? question.points : 0;
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}
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return 0;
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case 'true_false':
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if (typeof answerValue === 'string' && question.correctAnswer) {
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return answerValue === question.correctAnswer ? question.points : 0;
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}
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return 0;
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case 'fill_blank': {
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if (typeof answerValue !== 'string' || !question.correctAnswer)
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return 0;
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const correct = Array.isArray(question.correctAnswer)
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? question.correctAnswer
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: [question.correctAnswer];
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const submitted = question.caseSensitive ? answerValue.trim() : answerValue.trim().toLowerCase();
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for (const c of correct) {
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const expected = question.caseSensitive ? c.trim() : c.trim().toLowerCase();
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if (submitted === expected)
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return question.points;
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}
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return 0;
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}
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case 'short_answer':
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case 'essay':
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return -1;
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default:
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return 0;
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}
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}
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test('grade multiple choice - correct', () => {
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const q = { type: 'multiple_choice', points: 2, correctAnswer: '1', options: ['A', 'B', 'C'] };
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const a = { questionId: '1', value: '1' };
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assert.strictEqual(gradeQuestion(q, a), 2);
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});
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test('grade multiple choice - incorrect', () => {
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const q = { type: 'multiple_choice', points: 2, correctAnswer: '1', options: ['A', 'B', 'C'] };
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const a = { questionId: '1', value: '0' };
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assert.strictEqual(gradeQuestion(q, a), 0);
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});
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test('grade true/false - correct', () => {
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const q = { type: 'true_false', points: 1, correctAnswer: 'true' };
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const a = { questionId: '1', value: 'true' };
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assert.strictEqual(gradeQuestion(q, a), 1);
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});
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test('grade fill_blank - exact match', () => {
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const q = { type: 'fill_blank', points: 3, correctAnswer: ['mitochondria'], caseSensitive: false };
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const a = { questionId: '1', value: 'mitochondria' };
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assert.strictEqual(gradeQuestion(q, a), 3);
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});
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test('grade fill_blank - case insensitive', () => {
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const q = { type: 'fill_blank', points: 3, correctAnswer: ['mitochondria'], caseSensitive: false };
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const a = { questionId: '1', value: 'Mitochondria' };
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assert.strictEqual(gradeQuestion(q, a), 3);
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});
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test('grade fill_blank - multiple acceptable', () => {
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const q = { type: 'fill_blank', points: 3, correctAnswer: ['mitochondria', 'Mitochondrion'], caseSensitive: false };
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const a = { questionId: '1', value: 'Mitochondrion' };
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assert.strictEqual(gradeQuestion(q, a), 3);
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});
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test('grade fill_blank - no match', () => {
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const q = { type: 'fill_blank', points: 3, correctAnswer: ['mitochondria'], caseSensitive: false };
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const a = { questionId: '1', value: 'nucleus' };
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assert.strictEqual(gradeQuestion(q, a), 0);
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});
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test('grade essay - requires manual', () => {
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const q = { type: 'essay', points: 10 };
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const a = { questionId: '1', value: 'An essay...' };
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assert.strictEqual(gradeQuestion(q, a), -1);
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});
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test('grade short_answer - requires manual', () => {
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const q = { type: 'short_answer', points: 5 };
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const a = { questionId: '1', value: 'Short answer' };
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assert.strictEqual(gradeQuestion(q, a), -1);
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});
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// Test store utilities
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function generateId() {
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return Date.now().toString(36) + Math.random().toString(36).slice(2, 8);
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}
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test('generateId produces unique strings', () => {
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const id1 = generateId();
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const id2 = generateId();
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assert.strictEqual(typeof id1, 'string');
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assert.strictEqual(id1.length > 0, true);
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assert.notStrictEqual(id1, id2);
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});
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console.log('All tests passed!');
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//# sourceMappingURL=grade.test.js.map
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@@ -0,0 +1 @@
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@@ -0,0 +1,105 @@
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import assert from 'node:assert';
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import test from 'node:test';
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// Test grading utilities
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function gradeQuestion(question: any, answer: any): number {
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const answerValue = answer.value;
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switch (question.type) {
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case 'multiple_choice':
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if (typeof answerValue === 'string' && question.correctAnswer) {
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return answerValue === question.correctAnswer ? question.points : 0;
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}
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return 0;
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case 'true_false':
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if (typeof answerValue === 'string' && question.correctAnswer) {
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return answerValue === question.correctAnswer ? question.points : 0;
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}
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return 0;
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case 'fill_blank': {
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if (typeof answerValue !== 'string' || !question.correctAnswer) return 0;
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const correct = Array.isArray(question.correctAnswer)
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? question.correctAnswer
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: [question.correctAnswer];
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const submitted = question.caseSensitive ? answerValue.trim() : answerValue.trim().toLowerCase();
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for (const c of correct) {
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const expected = question.caseSensitive ? c.trim() : c.trim().toLowerCase();
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if (submitted === expected) return question.points;
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}
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return 0;
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}
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case 'short_answer':
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case 'essay':
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return -1;
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default:
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return 0;
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}
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}
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test('grade multiple choice - correct', () => {
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const q = { type: 'multiple_choice', points: 2, correctAnswer: '1', options: ['A', 'B', 'C'] };
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const a = { questionId: '1', value: '1' };
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assert.strictEqual(gradeQuestion(q, a), 2);
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});
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test('grade multiple choice - incorrect', () => {
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const q = { type: 'multiple_choice', points: 2, correctAnswer: '1', options: ['A', 'B', 'C'] };
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const a = { questionId: '1', value: '0' };
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assert.strictEqual(gradeQuestion(q, a), 0);
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});
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test('grade true/false - correct', () => {
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const q = { type: 'true_false', points: 1, correctAnswer: 'true' };
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const a = { questionId: '1', value: 'true' };
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assert.strictEqual(gradeQuestion(q, a), 1);
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});
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test('grade fill_blank - exact match', () => {
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const q = { type: 'fill_blank', points: 3, correctAnswer: ['mitochondria'], caseSensitive: false };
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const a = { questionId: '1', value: 'mitochondria' };
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assert.strictEqual(gradeQuestion(q, a), 3);
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});
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test('grade fill_blank - case insensitive', () => {
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const q = { type: 'fill_blank', points: 3, correctAnswer: ['mitochondria'], caseSensitive: false };
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const a = { questionId: '1', value: 'Mitochondria' };
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assert.strictEqual(gradeQuestion(q, a), 3);
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});
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test('grade fill_blank - multiple acceptable', () => {
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const q = { type: 'fill_blank', points: 3, correctAnswer: ['mitochondria', 'Mitochondrion'], caseSensitive: false };
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const a = { questionId: '1', value: 'Mitochondrion' };
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assert.strictEqual(gradeQuestion(q, a), 3);
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});
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test('grade fill_blank - no match', () => {
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const q = { type: 'fill_blank', points: 3, correctAnswer: ['mitochondria'], caseSensitive: false };
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const a = { questionId: '1', value: 'nucleus' };
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assert.strictEqual(gradeQuestion(q, a), 0);
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});
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test('grade essay - requires manual', () => {
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const q = { type: 'essay', points: 10 };
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const a = { questionId: '1', value: 'An essay...' };
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assert.strictEqual(gradeQuestion(q, a), -1);
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});
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test('grade short_answer - requires manual', () => {
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const q = { type: 'short_answer', points: 5 };
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const a = { questionId: '1', value: 'Short answer' };
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assert.strictEqual(gradeQuestion(q, a), -1);
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});
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// Test store utilities
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function generateId(): string {
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return Date.now().toString(36) + Math.random().toString(36).slice(2, 8);
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}
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test('generateId produces unique strings', () => {
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const id1 = generateId();
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const id2 = generateId();
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assert.strictEqual(typeof id1, 'string');
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assert.strictEqual(id1.length > 0, true);
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assert.notStrictEqual(id1, id2);
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});
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console.log('All tests passed!');
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