import test from 'node:test';
import assert from 'node:assert/strict';
import {
  isCorrectTotal,
  isCorrectEquation,
  hasReasoningEvidence,
} from '../src/session.mjs';

test('accepts the total for seven groups of two', () => {
  assert.equal(isCorrectTotal('14'), true);
});

test('rejects an incorrect total for seven groups of two', () => {
  assert.equal(isCorrectTotal('13'), false);
});

test('accepts an equivalent multiplication equation', () => {
  assert.equal(isCorrectEquation('2 × 7 = 14'), true);
});

test('requires a learner explanation to name groups or repeated addition and the total', () => {
  assert.equal(hasReasoningEvidence('There are 7 groups of 2, so there are 14 shoes.'), true);
  assert.equal(hasReasoningEvidence('It is 14.'), false);
});