Add test cases

.github/workflows/main.yml

@@ -2,12 +2,27 @@ name: Tests & Validations
 on: [ push ]
 
 jobs:
-  phpcs:
+  validations:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Run PHP_CodeSniffer
-        run: docker run --rm -v $(pwd):/data cytopia/phpcs --standard=./phpcs.xml.dist
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '7.4'
+          extensions: mbstring, intl, json, mongodb-1.16.0, phalcon, xdebug
+          tools: pecl
+          ini-values: apc.enable_cli=on, session.save_path=/tmp
+
+      - run: composer install --no-interaction --no-ansi --no-progress
+
+      - name: run psalm
+        if: always()
+        run: vendor/bin/psalm
+
+      - name: run phpcs
+        run: vendor/bin/phpcs
 
   run-tests:
     name: PHP ${{ matrix.php-versions }} with Phalcon ${{ matrix.phalcon-versions }}
@@ -27,6 +42,7 @@ jobs:
         phalcon-versions: [ '5.0.0', '5.0.1', '5.0.2', '5.0.3', '5.0.4', '5.0.5', '5.1.0', '5.1.1', '5.1.2', '5.1.3', '5.1.4', '5.2.0', '5.2.1', '5.2.2' ]
     steps:
       - uses: actions/checkout@v3
+
       - name: Setup cache environment
         id: cache-env
         uses: shivammathur/cache-extensions@v1

src/Mvc/Collection.php

@@ -879,7 +879,7 @@ public function getCollectionManager(): ManagerInterface
      * @return \MongoDB\Collection
      * @throws Exception
      */
-    protected function prepareCU()
+    protected function prepareCU(): \MongoDB\Collection
     {
         if ($this->container === null) {
             throw new Exception('The services related to the ODM');
@@ -1015,7 +1015,7 @@ public function serialize(): string
      * @param string $connectionService
      * @return $this
      */
-    public function setConnectionService($connectionService): self
+    public function setConnectionService(string $connectionService): self
     {
         $this->collectionsManager->setConnectionService($this, $connectionService);
 
@@ -1182,7 +1182,7 @@ public static function getTypeMap($base = null): array
         ];
 
         /** @noinspection NotOptimalIfConditionsInspection */
-        if (class_exists($base) && is_array($base::$typeMap)) {
+        if (class_exists($base)) {
             $typeMap = array_merge($typeMap, $base::$typeMap);
         }
 
@@ -1244,7 +1244,6 @@ public function unserialize($data): void
              * Gets the default collectionsManager service
              */
             $manager = $container->getShared("collectionManager");
-
             if ($manager === null) {
                 throw new Exception(
                     "The injected service 'collectionManager' is not valid"

tests/integration/Collection/AggregateCest.php

@@ -19,6 +19,7 @@
 use Phalcon\Incubator\MongoDB\Mvc\Collection\Exception;
 use Phalcon\Incubator\MongoDB\Test\Fixtures\Mvc\Collections\Robots;
 use Phalcon\Incubator\MongoDB\Test\Fixtures\Traits\DiTrait;
+use Traversable;
 
 class AggregateCest
 {
@@ -69,12 +70,13 @@ public function mvcCollectionAggregate(IntegrationTester $I)
         $robots1 = Robots::aggregate([
             [
                 '$match' => [
-                    'first_name' => 'Wall'
+                    'first_name' => 'Wall',
                 ]
             ]
         ]);
 
         $I->assertInstanceOf(Cursor::class, $robots1);
+        $I->assertInstanceOf(Traversable::class, $robots1);
 
         foreach ($robots1 as $rb) {
             $I->assertIsArray($rb);

tests/integration/Collection/FindCest.php

@@ -18,6 +18,7 @@
 use Phalcon\Incubator\MongoDB\Mvc\Collection\Exception;
 use Phalcon\Incubator\MongoDB\Test\Fixtures\Mvc\Collections\Robots;
 use Phalcon\Incubator\MongoDB\Test\Fixtures\Traits\DiTrait;
+use Traversable;
 
 class FindCest
 {
@@ -77,7 +78,9 @@ public function mvcCollectionFind(IntegrationTester $I)
         }
 
         $I->assertNotEmpty($robots);
+        $I->assertInstanceOf(Traversable::class, $robots);
         $I->assertInstanceOf(Robots::class, $result[0]);
+        $I->assertInstanceOf(Traversable::class, $robotsE);
         $I->assertCount(3, $result);
         $I->assertCount(2, $robotsE->toArray());
     }