Allow configuring AbstractApi

Author: dragosprotung

DependencyInjection/Configuration.php

@@ -59,6 +59,17 @@ public function getConfigTreeBuilder()
                 ->end()
                 ->arrayNode('providers')
                     ->children()
+                        ->arrayNode('abstract_api')
+                            ->children()
+                                ->integerNode('priority')->defaultValue(0)->end()
+                                ->scalarNode('api_key')
+                                    ->treatFalseLike(null)
+                                    ->treatTrueLike(null)
+                                    ->isRequired()
+                                    ->cannotBeEmpty()
+                                ->end()
+                            ->end()
+                        ->end()
                         ->arrayNode('fixer')
                             ->children()
                                 ->integerNode('priority')->defaultValue(0)->end()

Tests/DependencyInjection/ConfigurationTest.php

@@ -115,6 +115,7 @@ public function testInvalidCacheConfig(array $cache): void
     public function provideValidProvidersConfigs(): array
     {
         return [
+            [['abstract_api' => ['api_key' => 'any']]],
             [['central_bank_of_czech_republic' => null]],
             [['central_bank_of_republic_turkey' => []]],
             [['european_central_bank' => null]],