Cache: Fix cache content schema Windows compatibility

Author: tangrufus

src/WpOrg/Api/Cache.php

@@ -25,18 +25,11 @@ public function read(string $slug): ?bool
             return null;
         }
 
-        $content = $this->cache->read($key);
+        $content = (string) $this->cache->read($key);
 
-        // Should never happen because of the age check.
-        if ($content === false) {
-            return null;
-        }
-
-        $lines = explode("\n", $content);
-
-        return match ($lines[0]) {
-            'closed' => true,
-            'open' => false,
+        return match (true) {
+            str_starts_with($content, 'closed'.PHP_EOL) => true,
+            str_starts_with($content, 'open'.PHP_EOL) => false,
             default => null, // Unexpected content. Treat as a cache miss.
         };
     }
@@ -47,12 +40,12 @@ public function write(string $slug, bool $isClosed): void
             return;
         }
 
-        $content = sprintf(
-            "%s\n%s\n%s\n",
-            $isClosed ? 'closed' : 'open',
-            $slug,
-            date(DateTimeInterface::RFC3339),
-        );
+        $content = $isClosed ? 'closed' : 'open';
+        $content .= PHP_EOL;
+        $content .= $slug;
+        $content .= PHP_EOL;
+        $content .= date(DateTimeInterface::RFC3339);
+        $content .= PHP_EOL;
 
         $this->cache->write(
             $this->key($slug),

tests/Unit/WpOrg/Api/CacheTest.php

@@ -23,6 +23,7 @@
     describe('::read()', static function (): void {
         it('reads the first line of from {$slug}.txt',
             function (string $slug, bool $expected, string $firstLine): void {
+                $cachedContent = $firstLine.PHP_EOL.$slug.PHP_EOL.'2006-01-02T15:04:05+07:00'.PHP_EOL;
                 $composerCache = Mockery::mock(ComposerCache::class);
                 $composerCache->expects()
                     ->getAge()
@@ -31,7 +32,7 @@ function (string $slug, bool $expected, string $firstLine): void {
                 $composerCache->expects()
                     ->read()
                     ->with("{$slug}.txt")
-                    ->andReturn("{$firstLine}\n{$slug}\n2006-01-02T15:04:05+07:00\n");
+                    ->andReturn($cachedContent);
 
                 $cache = new Cache($composerCache);