feat: upgrade to composer 2 and add phpunit

Author: jmosul

Dockerfile.composer

@@ -6,8 +6,9 @@ RUN apk add --no-cache libpng libpng-dev && docker-php-ext-install gd && apk del
 
 RUN docker-php-ext-install pcntl
 
-COPY --from=composer:1.6 /usr/bin/composer /usr/bin/composer
+COPY --from=composer:2.0 /usr/bin/composer /usr/bin/composer
 
-RUN /usr/bin/composer global require hirak/prestissimo
+RUN composer --version
 
 COPY composer.json /opt
+

composer.json

@@ -23,6 +23,11 @@
             "DesignMyNight\\Mongodb\\": "src"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "Tests\\": "tests"
+        }
+    },
     "authors": [
         {
             "name": "DesignMyNight",
@@ -36,5 +41,8 @@
                 "DesignMyNight\\Mongodb\\MongodbPassportServiceProvider"
             ]
         }
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^7.5"
     }
 }

tests/RunnerTest.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Tests;
+
+class RunnerTest extends TestCase
+{
+    public function testsPhpUnitRuns()
+    {
+        $this->assertTrue(true);
+    }
+}

tests/TestCase.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Tests;
+
+use PHPUnit\Framework\TestCase as BaseTestCase;
+
+class TestCase extends BaseTestCase
+{
+
+}