test(support): add unit tests for classes and make helpers

- Add tests verifying `classes` returns a collection filtered by class name prefix
- Add tests ensuring `make` throws `InvalidArgumentException` on empty abstract array
- Add parameterized tests for `make` to create `Music` instances from various abstract forms
- Fix typo in test description from "can get default saved dir" to "can get default saved directory"
- Unexclude `app/Support/helpers.php` from PHPUnit coverage to enable testing helpers functions

Signed-off-by: guanguans <ityaozm@gmail.com>

Author: guanguans

app/Support/helpers.php

@@ -65,7 +65,7 @@ static function (string $file, string $class) use ($filter) {
                     // return [$class => (new ErrorHandler)->with(static fn () => new ReflectionClass($class))];
                     return [$class => new \ReflectionClass($class)];
                 } catch (\Throwable $throwable) {
-                    return [$class => $throwable];
+                    return [$class => $throwable]; // @codeCoverageIgnore
                 }
             });
     }

phpunit.xml.dist

@@ -27,7 +27,7 @@
     </include>
     <exclude>
       <!--<directory>app/Contracts/</directory>-->
-      <file>app/Support/helpers.php</file>
+      <!--<file>app/Support/helpers.php</file>-->
     </exclude>
   </source>
   <extensions>

tests/Unit/Support/HelpersTest.php

@@ -17,3 +17,32 @@
  *
  * @see https://github.com/guanguans/music-dl
  */
+
+use App\Music;
+use function App\Support\classes;
+use function App\Support\make;
+
+it('can get classes', function (): void {
+    expect(
+        classes(fn (string $class): bool => str($class)->startsWith('Rectors'))
+    )->toBeCollection();
+})->group(__DIR__, __FILE__);
+
+it('will throw `InvalidArgumentException` when abstract is empty array', function (): void {
+    make([]);
+})->group(__DIR__, __FILE__)->throws(InvalidArgumentException::class);
+
+it('can make music', function (array|string $abstract): void {
+    expect(make($abstract))->toBeInstanceOf(Music::class);
+})->group(__DIR__, __FILE__)->with([
+    ['abstract' => Music::class],
+    ['abstract' => ['__abstract' => Music::class, 'driver' => null, 'minCallMicroseconds' => 1000]],
+    ['abstract' => ['__class' => Music::class, 'driver' => null, 'minCallMicroseconds' => 1000]],
+    ['abstract' => ['__name' => Music::class, 'driver' => null, 'minCallMicroseconds' => 1000]],
+    ['abstract' => ['_abstract' => Music::class, 'driver' => null, 'minCallMicroseconds' => 1000]],
+    ['abstract' => ['_class' => Music::class, 'driver' => null, 'minCallMicroseconds' => 1000]],
+    ['abstract' => ['_name' => Music::class, 'driver' => null, 'minCallMicroseconds' => 1000]],
+    ['abstract' => ['abstract' => Music::class, 'driver' => null, 'minCallMicroseconds' => 1000]],
+    ['abstract' => ['class' => Music::class, 'driver' => null, 'minCallMicroseconds' => 1000]],
+    ['abstract' => ['name' => Music::class, 'driver' => null, 'minCallMicroseconds' => 1000]],
+]);

tests/Unit/Support/UtilsTest.php

@@ -20,7 +20,7 @@
 
 use App\Support\Utils;
 
-it('can get default saved dir', function (): void {
+it('can get default saved directory', function (): void {
     expect(Utils::defaultSavedDirectory())->toContain(\DIRECTORY_SEPARATOR);
 })->group(__DIR__, __FILE__);