Update debug panel to show host info

Author: natanfelles

src/Debug/DatabaseCollector.php

@@ -72,12 +72,11 @@ public function getActivities() : array
     public function getContents() : string
     {
         \ob_start();
-        if ( ! isset($this->serverInfo)) {
+        if ( ! isset($this->database)) {
             echo '<p>This collector has not been added to a Database instance.</p>';
             return \ob_get_clean(); // @phpstan-ignore-line
-        } ?>
-        <p><strong>Server Info:</strong> <?= $this->getServerInfo() ?></p>
-        <?php
+        }
+        echo $this->showHeader();
         if ( ! $this->hasData()) {
             echo '<p>Did not run statements.</p>';
             return \ob_get_clean(); // @phpstan-ignore-line
@@ -111,4 +110,34 @@ public function getContents() : string
         <?php
         return \ob_get_clean(); // @phpstan-ignore-line
     }
+
+    protected function showHeader() : string
+    {
+        $config = $this->database->getConfig();
+        \ob_start();
+        ?>
+        <p title="<?= 'Connected to ' . \htmlentities($this->getHostInfo()) ?>">
+            <strong>Host:</strong> <?= $config['host'] ?? 'localhost' ?>
+        </p>
+        <?php
+        if (\str_contains($this->getHostInfo(), 'TCP/IP')) {
+            if (isset($config['port'])) {
+                ?>
+                <p><strong>Port:</strong> <?= \htmlentities((string) $config['port']) ?></p>
+                <?php
+            }
+        } elseif (isset($config['socket'])) { ?>
+            <p><strong>Socket:</strong> <?= \htmlentities($config['socket']) ?></p>
+            <?php
+        }
+        ?>
+        <p><strong>Server Info:</strong> <?= \htmlentities($this->getServerInfo()) ?></p>
+        <?php
+        return \ob_get_clean(); // @phpstan-ignore-line
+    }
+
+    protected function getHostInfo() : string
+    {
+        return $this->database->getConnection()->host_info;
+    }
 }

tests/Debug/DatabaseCollectorTest.php

@@ -80,4 +80,44 @@ public function testActivities() : void
             \array_keys($this->collector->getActivities()[0])
         );
     }
+
+    protected function makeDatabaseWithSocket() : Database
+    {
+        return new Database([
+            'username' => \getenv('DB_USERNAME'),
+            'password' => \getenv('DB_PASSWORD'),
+            'schema' => \getenv('DB_SCHEMA'),
+            'host' => \getenv('DB_HOST'),
+            'port' => \getenv('DB_PORT'),
+            'socket' => '/var/run/mysqld/mysqld.sock',
+        ]);
+    }
+
+    public function testPort() : void
+    {
+        $collector = new class() extends DatabaseCollector {
+            protected function getHostInfo() : string
+            {
+                return '127.0.0.1 via TCP/IP';
+            }
+        };
+        $database = $this->makeDatabaseWithSocket();
+        $database->setDebugCollector($collector);
+        self::assertStringNotContainsString('Socket:', $collector->getContents());
+        self::assertStringContainsString('Port:', $collector->getContents());
+    }
+
+    public function testSocket() : void
+    {
+        $collector = new class() extends DatabaseCollector {
+            protected function getHostInfo() : string
+            {
+                return 'Localhost via UNIX socket';
+            }
+        };
+        $database = $this->makeDatabaseWithSocket();
+        $database->setDebugCollector($collector);
+        self::assertStringContainsString('Socket:', $collector->getContents());
+        self::assertStringNotContainsString('Port:', $collector->getContents());
+    }
 }