Add failing test

Author: paulbalandan

tests/system/Commands/TestGeneratorTest.php

@@ -13,7 +13,9 @@
 
 namespace CodeIgniter\Commands;
 
+use CodeIgniter\CLI\CLI;
 use CodeIgniter\Test\CIUnitTestCase;
+use CodeIgniter\Test\Mock\MockInputOutput;
 use CodeIgniter\Test\StreamFilterTrait;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\Attributes\Group;
@@ -31,6 +33,9 @@ protected function setUp(): void
         parent::setUp();
 
         $this->resetStreamFilterBuffer();
+
+        putenv('NO_COLOR=1');
+        CLI::init();
     }
 
     protected function tearDown(): void
@@ -39,19 +44,22 @@ protected function tearDown(): void
 
         $this->clearTestFiles();
         $this->resetStreamFilterBuffer();
+
+        putenv('NO_COLOR');
+        CLI::init();
     }
 
     private function clearTestFiles(): void
     {
-        $result = str_replace(["\033[0;32m", "\033[0m", "\n"], '', $this->getStreamFilterBuffer());
+        preg_match('/File created: (.*)/', $this->getStreamFilterBuffer(), $result);
 
-        $file = str_replace('ROOTPATH' . DIRECTORY_SEPARATOR, ROOTPATH, trim(substr($result, strlen('File created: '))));
+        $file = str_replace('ROOTPATH' . DIRECTORY_SEPARATOR, ROOTPATH, $result[1] ?? '');
         if (is_file($file)) {
             unlink($file);
         }
 
         $dir = dirname($file) . DIRECTORY_SEPARATOR;
-        if (is_dir($dir) && ! in_array($dir, [TESTPATH, TESTPATH . 'system/', TESTPATH . '_support/'], true)) {
+        if (is_dir($dir) && ! in_array($dir, ['/', TESTPATH, TESTPATH . 'system/', TESTPATH . '_support/'], true)) {
             rmdir($dir);
         }
     }
@@ -81,4 +89,31 @@ public static function provideGenerateTestFiles(): iterable
         // the 4 slashes are needed to escape here and in the command
         yield 'namespace style class name' => ['Foo\\\\Bar', 'Foo/BarTest'];
     }
+
+    public function testGenerateTestWithEmptyClassName(): void
+    {
+        try {
+            $io = new MockInputOutput();
+            CLI::setInputOutput($io);
+
+            // Simulate running `make:test` with no input followed by entering `Foo`
+            $io->setInputs(['', 'Foo']);
+            command('make:test');
+
+            $expectedFile = ROOTPATH . 'tests/FooTest.php';
+
+            $expectedOutput = 'Test class name : ' . PHP_EOL;
+            $expectedOutput .= 'The "Test class name" field is required.' . PHP_EOL;
+            $expectedOutput .= 'Test class name : Foo' . PHP_EOL . PHP_EOL;
+            $expectedOutput .= 'File created: ROOTPATH/tests/FooTest.php' . PHP_EOL . PHP_EOL;
+            $this->assertSame($expectedOutput, $io->getOutput());
+            $this->assertFileExists($expectedFile);
+        } finally {
+            if (is_file($expectedFile)) {
+                unlink($expectedFile);
+            }
+
+            CLI::resetInputOutput();
+        }
+    }
 }