add tests

Author: naif-deriv

lib/services/connection/api_manager/mock_api.dart

@@ -13,6 +13,7 @@ import 'package:flutter_deriv_api/services/connection/api_manager/connection_inf
 import 'package:flutter_deriv_api/services/connection/api_manager/exceptions/api_manager_exception.dart';
 import 'package:flutter_deriv_api/services/connection/api_manager/mock_data/account/new_account_wallet_response.dart';
 import 'package:flutter_deriv_api/services/connection/api_manager/mock_data/cashier/cashier_payments_response.dart';
+import 'package:flutter_deriv_api/services/connection/api_manager/mock_data/common/crypto_config_response.dart';
 import 'package:flutter_deriv_api/services/connection/call_manager/base_call_manager.dart';
 import 'package:flutter_deriv_api/services/connection/call_manager/exceptions/call_manager_exception.dart';
 
@@ -226,6 +227,8 @@ class MockAPI extends BaseAPI {
         return copyTradingListResponse;
       case 'copytrading_statistics':
         return copyTradingStatisticsResponse;
+      case 'crypto_config':
+        return cryptoConfigResponse;
       // case 'document_upload':
       case 'exchange_rates':
         return exchangeRatesResponse;

lib/services/connection/api_manager/mock_data/common/crypto_config_response.dart

@@ -0,0 +1,32 @@
+const String cryptoConfigResponse = '''
+{
+  "crypto_config": {
+    "currencies_config": {
+      "BTC": {
+        "minimum_withdrawal": 0.0002968
+      },
+      "ETH": {
+        "minimum_withdrawal": 0.01445239
+      },
+      "LTC": {
+        "minimum_withdrawal": 0.05539552
+      },
+      "USDC": {
+        "minimum_withdrawal": 50
+      },
+      "eUSDT": {
+        "minimum_withdrawal": 49.96
+      },
+      "tUSDT": {
+        "minimum_deposit": 50,
+        "minimum_withdrawal": 24.98
+      }
+    }
+  },
+  "echo_req": {
+    "crypto_config": 1,
+    "req_id": 2
+  },
+  "msg_type": "crypto_config",
+}
+''';

test/api/common/crypto_config/crypto_config_test.dart

@@ -0,0 +1,23 @@
+import 'package:deriv_dependency_injector/dependency_injector.dart';
+import 'package:flutter_deriv_api/api/api_initializer.dart';
+import 'package:flutter_deriv_api/api/response/crypto_config_response_extended.dart';
+import 'package:flutter_deriv_api/api/response/crypto_config_response_result.dart';
+import 'package:flutter_deriv_api/basic_api/generated/crypto_config_send.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import '../../../services/call_manager/base_call_manager_test.dart';
+
+void main() {
+  setUp(() => APIInitializer().initialize(api: MockAPI()));
+
+  tearDown(() => Injector().dispose());
+
+  test('CryptoConfigResponseExtended makes API call.', () async {
+    final CryptoConfigResponse response =
+        await CryptoConfigResponseExtended.fetchCryptoConfig(
+      request: const CryptoConfigRequest(),
+    );
+
+    expect(response, isA<CryptoConfigResponse>());
+  });
+}