feat: ForecastMapper and file Cache

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
2026-09-11 14:38:30 +02:00
parent d657fd069f
commit 89e1e544c5
6 changed files with 253 additions and 1 deletions
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Weerscherm\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Weerscherm\ForecastMapper;
+
+final class ForecastMapperTest extends TestCase
+{
+    /** @return array<string, mixed> */
+    private function daily(): array
+    {
+        return json_decode((string) file_get_contents(__DIR__ . '/fixtures/forecast.json'), true)['daily'];
+    }
+
+    public function testSkipsTodayAndReturnsFiveDays(): void
+    {
+        $f = ForecastMapper::map($this->daily());
+
+        self::assertCount(5, $f);
+        self::assertSame([
+            'date' => '2026-09-12', 'weather_code' => 2, 'temp_max' => 18.3, 'temp_min' => 10.1,
+            'precip_mm' => 0.4, 'precip_prob' => 20,
+        ], $f[0]);
+        self::assertSame('2026-09-16', $f[4]['date']);
+    }
+
+    public function testNullValuesStayNull(): void
+    {
+        $daily = $this->daily();
+        $daily['weather_code'][3] = null;
+        $daily['precipitation_probability_max'][3] = null;
+
+        $f = ForecastMapper::map($daily);
+
+        self::assertNull($f[2]['weather_code']);
+        self::assertNull($f[2]['precip_prob']);
+        self::assertSame(17.4, $f[2]['temp_max']);
+    }
+
+    public function testShorterResponseGivesFewerDays(): void
+    {
+        $daily = $this->daily();
+        foreach ($daily as $key => $values) {
+            $daily[$key] = array_slice($values, 0, 3);
+        }
+
+        self::assertCount(2, ForecastMapper::map($daily));
+    }
+
+    public function testMissingTimeArrayGivesEmptyList(): void
+    {
+        self::assertSame([], ForecastMapper::map([]));
+    }
+}