Added promise helper functions

.github/workflows/actions.yml

@@ -1,48 +1,60 @@
 name: Quality
 on: push
 jobs:
-    cs-fixer:
-        runs-on: ubuntu-latest
-        steps:
-            -   uses: actions/checkout@v2
-            -   name: Cs-Fixer
-                run: |
-                    wget -q https://cs.symfony.com/download/php-cs-fixer-v2.phar -O php-cs-fixer
-                    chmod a+x php-cs-fixer
-                    PHP_CS_FIXER_IGNORE_ENV=true ./php-cs-fixer fix src --dry-run
+  cs-fixer:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Cs-Fixer
+        run: |
+          wget -q https://cs.symfony.com/download/php-cs-fixer-v2.phar -O php-cs-fixer
+          chmod a+x php-cs-fixer
+          PHP_CS_FIXER_IGNORE_ENV=true ./php-cs-fixer fix src --dry-run
 
-    phpstan:
-        runs-on: ubuntu-latest
-        strategy:
-            matrix:
-                phpstan-level: [ 3, 5, 7, 8 ]
-        steps:
-            -   uses: actions/checkout@v2
-            -   uses: actions/cache@v2
-                with:
-                    path: '**/vendor'
-                    key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-                    restore-keys: |
-                        ${{ runner.os }}-composer-
-            -   uses: php-actions/composer@v5
-                with:
-                    args: --prefer-dist
-                    php_version: 8.0
+  phpstan:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        phpstan-level: [ 3, 5, 7, 8 ]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        with:
+          path: '**/vendor'
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-composer-
+      - uses: php-actions/composer@v5
+        with:
+          args: --prefer-dist
+          php_version: 8.0
 
-            -   name: PHPStan
-                uses: php-actions/phpstan@v2
-                with:
-                    path: src/
-                    args: --level=${{ matrix.phpstan-level }}
+      - name: PHPStan
+        uses: php-actions/phpstan@v2
+        with:
+          path: src/
+          args: --level=${{ matrix.phpstan-level }}
 
-    phpspec:
-        runs-on: ubuntu-latest
-        steps:
-            -   uses: actions/checkout@v2
-            -   uses: php-actions/composer@v5
-                with:
-                    args: --prefer-dist
-                    php_version: 8.0
-                    extensions: xdebug
-            -   name: PHP Spec
-                run: bin/phpspec run spec
+  phpspec:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: php-actions/composer@v5
+        with:
+          args: --prefer-dist
+          php_version: 8.0
+          extensions: xdebug
+      - name: PHPSpec
+        run: bin/phpspec run spec
+
+  phpunit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: php-actions/composer@v5
+        with:
+          args: --prefer-dist
+          php_version: 8.0
+          extensions: xdebug
+      - name: PHPUnit
+        run: bin/phpunit tests