Refactor JSON I/O to use Composer's JSONFile class.

Also - bump PHPUnit.

Author: pinkeen

.travis.yml

@@ -23,15 +23,6 @@ php:
   - 8.0
   - nightly
 
-jobs:
-  include:
-    # Test PHP 8.0+ only with composer v2 while ignoring platform reqs 
-    # so conflicting dependencies like Symfony polyfills are not installed.
-    - php: 8.0
-      env: COMPOSER_VERSION="2"
-    - php: nightly
-      env: COMPOSER_VERSION="2"
-
 matrix:
   allow_failures:
     - php: nightly

composer.json

@@ -16,7 +16,7 @@
     },
     "require-dev": {
         "composer/composer": "^2.0",
-        "phpunit/phpunit": "~5.7",
+        "phpunit/phpunit": "~5.7 | ~6.0 | ~7.0",
         "symfony/process": "^3"
     },
     "autoload": {

src/PackageApplicationRepository.php

@@ -101,9 +101,9 @@ public function getPackageApplication(PackageInterface $targetPackage)
             throw new \RuntimeException('Cannot Loaded applied patches data file "%s"', $dataFile);
         }
 
-        $data = json_decode(file_get_contents($dataFile), true);
+        $applicationJson = new JsonFile($dataFile);
 
-        return $this->createPackagePatchApplication($targetPackage, $data);
+        return $this->createPackagePatchApplication($targetPackage, $applicationJson->read());
     }
 
     /**
@@ -122,19 +122,9 @@ public function savePackageApplication(PackagePatchApplication $packagePatchAppl
             throw new \RuntimeException(sprintf('Package directory is not writable "%s"', dirname($dataFile)));
         }
 
-        file_put_contents($dataFile,
-            $this->encodeData($this->transformPackagePatchApplicationToArray($packagePatchApplication))
-        );
-    }
-
-    /**
-     * @param array $data
-     * @return string
-     */
-    private function encodeData(array $data)
-    {
-        return json_encode($data,
-            JSON_PRETTY_PRINT + JSON_UNESCAPED_SLASHES + JSON_UNESCAPED_UNICODE
+        $applicationFile = new JsonFile($dataFile);
+        $applicationFile->write(
+            $this->transformPackagePatchApplicationToArray($packagePatchApplication)
         );
     }