89 lines
3.2 KiB
JavaScript
89 lines
3.2 KiB
JavaScript
import test from 'node:test';
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import assert from 'node:assert/strict';
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import {
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bucketForBristolType,
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buildTimmySummary,
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detectUrgentFlags,
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exportLedger,
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photoQualityMessage,
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sanitizeEntry,
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} from '../src/domain.js';
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test('maps Bristol types to clinically grounded buckets', () => {
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assert.equal(bucketForBristolType(1), 'constipation');
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assert.equal(bucketForBristolType(2), 'constipation');
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assert.equal(bucketForBristolType(3), 'typical');
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assert.equal(bucketForBristolType(4), 'typical');
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assert.equal(bucketForBristolType(5), 'loose');
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assert.equal(bucketForBristolType(7), 'loose');
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assert.equal(bucketForBristolType(0), 'unknown');
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});
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test('escalates reported blood, black stool, severe pain, vomiting, fever, or inability to pass gas', () => {
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const result = detectUrgentFlags({
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blood: true,
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blackOrDarkRed: false,
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severePain: true,
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vomiting: false,
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fever: false,
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cannotPassGas: false,
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});
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assert.equal(result.urgent, true);
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assert.deepEqual(result.flags, ['blood', 'severePain']);
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assert.match(result.message, /medical care/i);
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});
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test('does not invent reassurance when no urgent flags are reported', () => {
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const result = detectUrgentFlags({});
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assert.equal(result.urgent, false);
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assert.deepEqual(result.flags, []);
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assert.match(result.message, /not a diagnosis/i);
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});
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test('Timmy summary reports patterns without clearing food or diagnosing disease', () => {
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const entries = [
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{ bristolType: 3, occurredAt: '2026-08-15T08:00:00.000Z' },
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{ bristolType: 4, occurredAt: '2026-08-16T08:00:00.000Z' },
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{ bristolType: 6, occurredAt: '2026-08-17T08:00:00.000Z' },
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];
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const summary = buildTimmySummary(entries);
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assert.match(summary, /3 logs/);
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assert.match(summary, /2 typical/);
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assert.doesNotMatch(summary, /safe|diagnos|Taco Bell|clear/i);
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});
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test('sanitizes a user entry to the MVP data contract', () => {
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const entry = sanitizeEntry({
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id: 'abc',
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occurredAt: '2026-08-17T12:00:00.000Z',
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bristolType: 4,
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color: 'brown',
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urgency: 2,
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discomfort: 1,
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note: 'After lunch',
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photoDataUrl: 'data:image/jpeg;base64,abc',
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unexpected: 'drop me',
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});
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assert.deepEqual(Object.keys(entry).sort(), [
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'bristolType', 'color', 'discomfort', 'id', 'note', 'occurredAt',
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'photoDataUrl', 'symptoms', 'urgency'
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].sort());
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assert.equal(entry.unexpected, undefined);
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});
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test('photo quality guidance is deterministic and does not claim visual diagnosis', () => {
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assert.match(photoQualityMessage({ width: 300, height: 300, brightness: 0.5 }), /closer/i);
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assert.match(photoQualityMessage({ width: 1200, height: 900, brightness: 0.02 }), /light/i);
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assert.match(photoQualityMessage({ width: 1200, height: 900, brightness: 0.5 }), /review/i);
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assert.doesNotMatch(photoQualityMessage({ width: 1200, height: 900, brightness: 0.5 }), /type [1-7]|disease|diagnos/i);
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});
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test('export ledger is portable JSON with version and entries', () => {
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const text = exportLedger([{ id: 'a', bristolType: 4 }], '2026-08-18T00:00:00.000Z');
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const parsed = JSON.parse(text);
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assert.equal(parsed.schemaVersion, 1);
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assert.equal(parsed.exportedAt, '2026-08-18T00:00:00.000Z');
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assert.equal(parsed.entries.length, 1);
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});
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