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refactor: scope postcode cache to place names, DB is authoritative for postcodes

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This commit is contained in:
Ovidiu U
2026-04-22 12:23:50 +01:00
parent d460de1850
commit 5426722c71
2 changed files with 38 additions and 15 deletions
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36
tests/Unit/Services/PostcodeServiceTest.php
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@@ -134,23 +134,41 @@ it('returns null when place name yields no results', function (): void {
// --- Caching ---
it('caches a successful resolution for 30 days', function (): void {
it('caches a successful place resolution for 30 days', function (): void {
Http::fake([
'*/outcodes/PE7' => Http::response([
'*/places*' => Http::response([
'status' => 200,
'result' => [[
'name_1' => 'Manchester',
'latitude' => 53.480957,
'longitude' => -2.237428,
]],
]),
]);
$this->service->resolve('Manchester');
$this->service->resolve('Manchester');
Http::assertSentCount(1);
expect(Cache::get('place:manchester'))->toBeInstanceOf(LocationResult::class);
});
it('does not cache postcode resolutions in the Cache store (DB is the cache)', function (): void {
Http::fake([
'*/postcodes/SW1A1AA' => Http::response([
'status' => 200,
'result' => [
'outcode' => 'PE7',
'latitude' => 52.536397,
'longitude' => -0.210181,
'postcode' => 'SW1A 1AA',
'latitude' => 51.501009,
'longitude' => -0.141588,
],
]),
]);
$this->service->resolve('PE7');
$this->service->resolve('PE7');
$this->service->resolve('SW1A 1AA');
Http::assertSentCount(1);
expect(Cache::get('postcode:pe7'))->toBeInstanceOf(LocationResult::class);
expect(Cache::get('postcode:sw1a1aa'))->toBeNull()
->and(Postcode::find('SW1A1AA'))->not->toBeNull();
});
it('does not cache failed lookups', function (): void {