Fixed more coding standards.

scaffold/tests/phpunit/Dirs.php

@@ -71,7 +71,7 @@ public function printInfo(): void {
     fwrite(STDERR, PHP_EOL . implode(PHP_EOL, $lines) . PHP_EOL);
   }
 
-  protected function prepareLocalRepo() {
+  protected function prepareLocalRepo(): void {
     $root = $this->fileFindDir('composer.json');
 
     $this->fs->copy($root . '/composer.json', $this->repo . '/composer.json');
@@ -80,15 +80,25 @@ protected function prepareLocalRepo() {
     $this->fs->copy($root . '/myfile1.txt', $this->repo . '/myfile1.txt');
 
     // Add the local repository to the composer.json file.
-    $dstJson = json_decode(file_get_contents($this->repo . '/composer.json'), TRUE);
-    $dstJson['repositories'][] = [
+    $composerjson = file_get_contents($this->repo . '/composer.json');
+    if ($composerjson === FALSE) {
+      throw new \Exception('Failed to read the local composer.json file.');
+    }
+
+    /** @var array $dst_json */
+    $dst_json = json_decode($composerjson, TRUE);
+    if (!$dst_json) {
+      throw new \Exception('Failed to decode the local composer.json file.');
+    }
+
+    $dst_json['repositories'][] = [
       'type' => 'path',
       'url' => $this->repo,
       'options' => [
         'symlink' => FALSE,
       ],
     ];
-    file_put_contents($this->repo . '/composer.json', json_encode($dstJson, JSON_PRETTY_PRINT));
+    file_put_contents($this->repo . '/composer.json', json_encode($dst_json, JSON_PRETTY_PRINT));
   }
 
 }

scaffold/tests/phpunit/Traits/ComposerTrait.php

@@ -25,7 +25,7 @@ protected function composerCreateProject(array|string $args = NULL): string {
    *
    * @param string $cmd
    *   The Composer command to execute (escaped as required)
-   * @param null $cwd
+   * @param string|null $cwd
    *   The current working directory to run the command from.
    * @param array $env
    *   Environment variables to define for the subprocess.
@@ -35,8 +35,8 @@ protected function composerCreateProject(array|string $args = NULL): string {
    *
    * @throws \Exception
    */
-  public function composerRun($cmd, $cwd = NULL, $env = []): string {
-    $cwd = $cwd ?? $this->dirs->build;
+  public function composerRun(string $cmd, ?string $cwd = NULL, array $env = []): string {
+    $cwd = $cwd ?: $this->dirs->build;
 
     $env += [
       'DREVOPS_SCAFFOLD_VERSION' => '@dev',
@@ -64,11 +64,17 @@ public function composerRun($cmd, $cwd = NULL, $env = []): string {
     return $output;
   }
 
-  protected function composerReadJson($path = NULL) {
-    $path = $path ?? $this->dirs->sut . '/composer.json';
+  protected function composerReadJson(?string $path = NULL): array {
+    $path = $path ?: $this->dirs->sut . '/composer.json';
     $this->assertFileExists($path);
 
-    return json_decode(file_get_contents($path), TRUE);
+    $composerjson = file_get_contents($path);
+    $this->assertIsString($composerjson);
+
+    $data = json_decode($composerjson, TRUE);
+    $this->assertIsArray($data);
+
+    return $data;
   }
 
 }

scaffold/tests/phpunit/Traits/EnvTrait.php

@@ -63,7 +63,7 @@ public static function envIsSet(string $name): bool {
   /**
    * Check if an environment variable is not set.
    */
-  public static function envIsUnset($name): bool {
+  public static function envIsUnset(string $name): bool {
     return getenv($name) === FALSE;
   }
 

scaffold/tests/phpunit/Traits/FileTrait.php

@@ -9,7 +9,7 @@
  */
 trait FileTrait {
 
-  public function fileFindDir(string $file, $start = NULL) {
+  public function fileFindDir(string $file, ?string $start = NULL): string {
     if (empty($start)) {
       $start = dirname(__FILE__);
     }
@@ -23,7 +23,7 @@ public function fileFindDir(string $file, $start = NULL) {
       if ($fs->exists($path)) {
         return $current;
       }
-      $current = dirname((string) $current);
+      $current = dirname($current);
     }
 
     throw new \RuntimeException('File not found: ' . $file);

scaffold/tests/phpunit/Traits/JsonAssertTrait.php

@@ -6,17 +6,19 @@
 use Helmich\JsonAssert\JsonAssertions;
 
 /**
+ * Trait JsonAssertTrait.
  *
+ * This trait provides a method to assert JSON data.
  */
 trait JsonAssertTrait {
 
   use JsonAssertions;
 
-  public function assertJsonHasNoKey($jsonDocument, string $jsonPath, $message = NULL): void {
-    $result = (new JSONPath($jsonDocument))->find($jsonPath);
+  public function assertJsonHasNoKey(array $json_data, string $path, ?string $message = NULL): void {
+    $result = (new JSONPath($json_data))->find($path);
 
     if (isset($result[0])) {
-      $this->fail($message ?: sprintf("The JSON path '%s' exists, but it was expected not to.", $jsonPath));
+      $this->fail($message ?: sprintf("The JSON path '%s' exists, but it was expected not to.", $path));
     }
 
     $this->addToAssertionCount(1);