fix(support): fix psr-4 namespace path generation with dots and slashes in the composer path (#1166)

Author: brendt

src/Tempest/Support/src/Namespace/functions.php

@@ -52,7 +52,7 @@ function to_psr4_namespace(Psr4Namespace|array $namespaces, Stringable|string $p
             ->finish('/');
 
         foreach (wrap($namespaces) as $namespace) {
-            $namespacePath = to_relative_path($root, $namespace->path);
+            $namespacePath = ltrim(to_relative_path($root, $namespace->path), './');
 
             if ($relativePath->startsWith($namespacePath)) {
                 return (string) $relativePath

src/Tempest/Support/tests/Namespace/FunctionsTest.php

@@ -31,6 +31,16 @@ public function test_to_namespace(string $path, ?string $root, string $expected)
     #[TestWith(['src/Tempest/Auth/src/SomeDirectory', 'Tempest\\Auth\\SomeDirectory'])]
     #[TestWith(['/foo/bar/src/Tempest/Auth/src/SomeDirectory', 'Tempest\\Auth\\SomeDirectory', '/foo/bar'])]
     public function test_to_composer_namespace(string $path, string $expected, ?string $root = null): void
+    {
+        $namespace = new Psr4Namespace('Tempest\\Auth\\', './src/Tempest/Auth/src');
+
+        $this->assertSame($expected, to_psr4_namespace([$namespace], $path, $root));
+    }
+
+    #[TestWith(['src/Tempest/Auth/src/SomeNewClass.php', 'Tempest\\Auth'])]
+    #[TestWith(['src/Tempest/Auth/src/SomeDirectory', 'Tempest\\Auth\\SomeDirectory'])]
+    #[TestWith(['/foo/bar/src/Tempest/Auth/src/SomeDirectory', 'Tempest\\Auth\\SomeDirectory', '/foo/bar'])]
+    public function test_to_composer_namespace_without_leading_slashed(string $path, string $expected, ?string $root = null): void
     {
         $namespace = new Psr4Namespace('Tempest\\Auth\\', 'src/Tempest/Auth/src');