Paul Nothaft
59 lines
2.3 KiB
JavaScript
59 lines
2.3 KiB
JavaScript
/**
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* Pins the date-merge fix in `adminDashboard.js` /analytics route
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* (#661 Bug A). The merge previously failed on Postgres because pg's
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* driver returns `DATE(timestamp)` as a JS Date object, while SQLite
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* returns a string — the old `dateObj.date === row.date` comparison
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* was false on Postgres so chartData stayed all-zero even with traffic.
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*
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* We test the normalisation helper here in isolation. The route-level
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* integration is covered by the existing dashboard route test.
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*/
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// The helper is internal to the route file; reimport via a small wrapper
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// so we don't need to export everything publicly.
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const path = require('path');
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const fs = require('fs');
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const ROUTE_SRC = fs.readFileSync(
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path.join(__dirname, '../../src/routes/adminDashboard.js'),
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'utf8',
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);
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// Tiny evaluator that grabs the normaliseDateKey function definition from
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// the route source so the test pins the actual shipping implementation,
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// not a copy.
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function extractNormaliseDateKey() {
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const match = ROUTE_SRC.match(/function normaliseDateKey\([\s\S]*?\n\}/);
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if (!match) throw new Error('normaliseDateKey not found in adminDashboard.js');
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// eslint-disable-next-line no-new-func
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return new Function(`${match[0]}; return normaliseDateKey;`)();
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}
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const normaliseDateKey = extractNormaliseDateKey();
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describe('analytics route — normaliseDateKey (#661 Bug A)', () => {
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test('passes through a YYYY-MM-DD string unchanged', () => {
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expect(normaliseDateKey('2026-06-22')).toBe('2026-06-22');
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});
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test('slices off a time component on a longer ISO string', () => {
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expect(normaliseDateKey('2026-06-22T00:00:00.000Z')).toBe('2026-06-22');
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});
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test('normalises a JS Date object (Postgres pg-driver shape) to YYYY-MM-DD', () => {
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const d = new Date('2026-06-22T12:34:56Z');
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expect(normaliseDateKey(d)).toBe('2026-06-22');
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});
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test('returns null for null / undefined / empty', () => {
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expect(normaliseDateKey(null)).toBeNull();
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expect(normaliseDateKey(undefined)).toBeNull();
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expect(normaliseDateKey('')).toBeNull();
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});
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test('coerces unexpected types via String() to avoid throwing', () => {
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// We don't expect to receive a number from either driver, but the
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// helper should not crash if it does — date merge will simply miss.
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expect(normaliseDateKey(20260622)).toBe('20260622');
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});
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});
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