exchange serialization bugfix and partial test coverage

lib/services/change_now/change_now.dart

@@ -18,12 +18,15 @@ abstract class ChangeNow {
   static const String authority = "api.changenow.io";
   static const String apiVersion = "/v1";
 
+  /// set this to override using standard http client. Useful for testing
+  static http.Client? client;
+
   static Uri _buildUri(String path, Map<String, dynamic>? params) {
     return Uri.https(authority, apiVersion + path, params);
   }
 
   static Future<dynamic> _makeGetRequest(Uri uri) async {
-    final client = http.Client();
+    final client = ChangeNow.client ?? http.Client();
     try {
       final response = await client.get(
         uri,
@@ -44,7 +47,7 @@ abstract class ChangeNow {
     Uri uri,
     Map<String, String> body,
   ) async {
-    final client = http.Client();
+    final client = ChangeNow.client ?? http.Client();
     try {
       final response = await client.post(
         uri,
@@ -205,8 +208,9 @@ abstract class ChangeNow {
   static Future<ChangeNowResponse<Decimal>> getMinimalExchangeAmount({
     required String fromTicker,
     required String toTicker,
+    String apiKey = kChangeNowApiKey,
   }) async {
-    Map<String, dynamic>? params = {"api_key": kChangeNowApiKey};
+    Map<String, dynamic>? params = {"api_key": apiKey};
 
     final uri = _buildUri("/min-amount/${fromTicker}_$toTicker", params);
 
@@ -292,9 +296,10 @@ abstract class ChangeNow {
     // to freeze estimated amount that you got in this method. Current estimated
     // amount would be valid until time in field "validUntil"
     bool useRateId = true,
+    String apiKey = kChangeNowApiKey,
   }) async {
     Map<String, dynamic> params = {
-      "api_key": kChangeNowApiKey,
+      "api_key": apiKey,
       "useRateId": useRateId.toString(),
     };
 
@@ -337,8 +342,10 @@ abstract class ChangeNow {
   /// time and the market info gets updates, so make sure to refresh the list
   /// occasionally. One time per minute is sufficient.
   static Future<ChangeNowResponse<List<FixedRateMarket>>>
-      getAvailableFixedRateMarkets() async {
-    final uri = _buildUri("/market-info/fixed-rate/$kChangeNowApiKey", null);
+      getAvailableFixedRateMarkets({
+    String apiKey = kChangeNowApiKey,
+  }) async {
+    final uri = _buildUri("/market-info/fixed-rate/$apiKey", null);
 
     try {
       // json array is expected here
@@ -406,6 +413,7 @@ abstract class ChangeNow {
     String contactEmail = "",
     String refundAddress = "",
     String refundExtraId = "",
+    String apiKey = kChangeNowApiKey,
   }) async {
     final Map<String, String> map = {
       "from": fromTicker,
@@ -420,14 +428,14 @@ abstract class ChangeNow {
       "refundExtraId": refundExtraId,
     };
 
-    final uri = _buildUri("/transactions/$kChangeNowApiKey", null);
+    final uri = _buildUri("/transactions/$apiKey", null);
 
     try {
       // simple json object is expected here
       final json = await _makePostRequest(uri, map);
 
       // pass in date to prevent using default 1970 date
-      json["date"] = DateTime.now();
+      json["date"] = DateTime.now().toString();
 
       try {
         final value = ExchangeTransaction.fromJson(
@@ -468,6 +476,7 @@ abstract class ChangeNow {
     String contactEmail = "",
     String refundAddress = "",
     String refundExtraId = "",
+    String apiKey = kChangeNowApiKey,
   }) async {
     final Map<String, String> map = {
       "from": fromTicker,
@@ -483,14 +492,14 @@ abstract class ChangeNow {
       "rateId": rateId,
     };
 
-    final uri = _buildUri("/transactions/fixed-rate/$kChangeNowApiKey", null);
+    final uri = _buildUri("/transactions/fixed-rate/$apiKey", null);
 
     try {
       // simple json object is expected here
       final json = await _makePostRequest(uri, map);
 
       // pass in date to prevent using default 1970 date
-      json["date"] = DateTime.now();
+      json["date"] = DateTime.now().toString();
 
       try {
         final value = ExchangeTransaction.fromJson(
@@ -520,8 +529,9 @@ abstract class ChangeNow {
   static Future<ChangeNowResponse<ExchangeTransactionStatus>>
       getTransactionStatus({
     required String id,
+    String apiKey = kChangeNowApiKey,
   }) async {
-    final uri = _buildUri("/transactions/$id/$kChangeNowApiKey", null);
+    final uri = _buildUri("/transactions/$id/$apiKey", null);
 
     try {
       // simple json object is expected here

test/services/change_now/change_now_test.dart

@@ -0,0 +1,482 @@
+import 'dart:convert';
+
+import 'package:decimal/decimal.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:http/http.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:stackwallet/models/exchange/change_now/change_now_response.dart';
+import 'package:stackwallet/models/exchange/change_now/exchange_transaction.dart';
+import 'package:stackwallet/services/change_now/change_now.dart';
+
+import 'change_now_sample_data.dart';
+import 'change_now_test.mocks.dart';
+
+@GenerateMocks([Client])
+void main() {
+  group("getAvailableCurrencies", () {
+    test("getAvailableCurrencies succeeds without options", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse("https://api.changenow.io/v1/currencies"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response(jsonEncode(availableCurrenciesJSON), 200));
+
+      final result = await ChangeNow.getAvailableCurrencies();
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value!.length, 538);
+    });
+
+    test("getAvailableCurrencies succeeds with active option", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse("https://api.changenow.io/v1/currencies?active=true"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response(jsonEncode(availableCurrenciesJSONActive), 200));
+
+      final result = await ChangeNow.getAvailableCurrencies(active: true);
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value!.length, 531);
+    });
+
+    test("getAvailableCurrencies succeeds with fixedRate option", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse("https://api.changenow.io/v1/currencies?fixedRate=true"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response(jsonEncode(availableCurrenciesJSONFixedRate), 200));
+
+      final result = await ChangeNow.getAvailableCurrencies(fixedRate: true);
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value!.length, 410);
+    });
+
+    test("getAvailableCurrencies succeeds with fixedRate and active options",
+        () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/currencies?fixedRate=true&active=true"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response(jsonEncode(availableCurrenciesJSONActiveFixedRate), 200));
+
+      final result =
+          await ChangeNow.getAvailableCurrencies(active: true, fixedRate: true);
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value!.length, 410);
+    });
+
+    test(
+        "getAvailableCurrencies fails with ChangeNowExceptionType.serializeResponseError",
+        () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse("https://api.changenow.io/v1/currencies"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response('{"some unexpected": "but valid json data"}', 200));
+
+      final result = await ChangeNow.getAvailableCurrencies();
+
+      expect(result.exception!.type,
+          ChangeNowExceptionType.serializeResponseError);
+      expect(result.value == null, true);
+    });
+
+    test("getAvailableCurrencies fails for any other reason", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse("https://api.changenow.io/v1/currencies"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async => Response("", 400));
+
+      final result = await ChangeNow.getAvailableCurrencies();
+
+      expect(result.exception!.type, ChangeNowExceptionType.generic);
+      expect(result.value == null, true);
+    });
+  });
+
+  group("getPairedCurrencies", () {
+    test("getPairedCurrencies succeeds without fixedRate option", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse("https://api.changenow.io/v1/currencies-to/XMR"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response(jsonEncode(getPairedCurrenciesJSON), 200));
+
+      final result = await ChangeNow.getPairedCurrencies(ticker: "XMR");
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value!.length, 537);
+    });
+
+    test("getPairedCurrencies succeeds with fixedRate option", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/currencies-to/XMR?fixedRate=true"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response(jsonEncode(getPairedCurrenciesJSONFixedRate), 200));
+
+      final result =
+          await ChangeNow.getPairedCurrencies(ticker: "XMR", fixedRate: true);
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value!.length, 410);
+    });
+
+    test(
+        "getPairedCurrencies fails with ChangeNowExceptionType.serializeResponseError",
+        () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse("https://api.changenow.io/v1/currencies-to/XMR"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response('[{"some unexpected": "but valid json data"}]', 200));
+
+      final result = await ChangeNow.getPairedCurrencies(ticker: "XMR");
+
+      expect(result.exception!.type,
+          ChangeNowExceptionType.serializeResponseError);
+      expect(result.value == null, true);
+    });
+
+    test("getPairedCurrencies fails for any other reason", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse("https://api.changenow.io/v1/currencies"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async => Response("", 400));
+
+      final result =
+          await ChangeNow.getPairedCurrencies(ticker: "XMR", fixedRate: true);
+
+      expect(result.exception!.type, ChangeNowExceptionType.generic);
+      expect(result.value == null, true);
+    });
+  });
+
+  group("getMinimalExchangeAmount", () {
+    test("getMinimalExchangeAmount succeeds", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/min-amount/xmr_btc?api_key=testAPIKEY"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer(
+          (realInvocation) async => Response('{"minAmount": 42}', 200));
+
+      final result = await ChangeNow.getMinimalExchangeAmount(
+        fromTicker: "xmr",
+        toTicker: "btc",
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value, Decimal.fromInt(42));
+    });
+
+    test(
+        "getMinimalExchangeAmount fails with ChangeNowExceptionType.serializeResponseError",
+        () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/min-amount/xmr_btc?api_key=testAPIKEY"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async => Response('{"error": 42}', 200));
+
+      final result = await ChangeNow.getMinimalExchangeAmount(
+        fromTicker: "xmr",
+        toTicker: "btc",
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception!.type,
+          ChangeNowExceptionType.serializeResponseError);
+      expect(result.value == null, true);
+    });
+
+    test("getMinimalExchangeAmount fails for any other reason", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/min-amount/xmr_btc?api_key=testAPIKEY"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async => Response('', 400));
+
+      final result = await ChangeNow.getMinimalExchangeAmount(
+        fromTicker: "xmr",
+        toTicker: "btc",
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception!.type, ChangeNowExceptionType.generic);
+      expect(result.value == null, true);
+    });
+  });
+
+  group("getEstimatedFixedRateExchangeAmount", () {
+    test("getEstimatedFixedRateExchangeAmount succeeds", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/exchange-amount/fixed-rate/10/xmr_btc?api_key=testAPIKEY&useRateId=true"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response(jsonEncode(estFixedRateExchangeAmountJSON), 200));
+
+      final result = await ChangeNow.getEstimatedFixedRateExchangeAmount(
+        fromTicker: "xmr",
+        toTicker: "btc",
+        fromAmount: Decimal.fromInt(10),
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value.toString(),
+          'EstimatedExchangeAmount: {estimatedAmount: 0.07271053, transactionSpeedForecast: 10-60, warningMessage: null, rateId: 1t2W5KBPqhycSJVYpaNZzYWLfMr0kSFe, networkFee: 0.00002408}');
+    });
+
+    test(
+        "getEstimatedFixedRateExchangeAmount fails with ChangeNowExceptionType.serializeResponseError",
+        () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/exchange-amount/fixed-rate/10/xmr_btc?api_key=testAPIKEY&useRateId=true"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async => Response('{"error": 42}', 200));
+
+      final result = await ChangeNow.getEstimatedFixedRateExchangeAmount(
+        fromTicker: "xmr",
+        toTicker: "btc",
+        fromAmount: Decimal.fromInt(10),
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception!.type,
+          ChangeNowExceptionType.serializeResponseError);
+      expect(result.value == null, true);
+    });
+
+    test("getEstimatedFixedRateExchangeAmount fails for any other reason",
+        () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/exchange-amount/fixed-rate/10/xmr_btc?api_key=testAPIKEY&useRateId=true"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async => Response('', 400));
+
+      final result = await ChangeNow.getEstimatedFixedRateExchangeAmount(
+        fromTicker: "xmr",
+        toTicker: "btc",
+        fromAmount: Decimal.fromInt(10),
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception!.type, ChangeNowExceptionType.generic);
+      expect(result.value == null, true);
+    });
+  });
+
+  group("getAvailableFixedRateMarkets", () {
+    test("getAvailableFixedRateMarkets succeeds", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/market-info/fixed-rate/testAPIKEY"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async =>
+          Response(jsonEncode(fixedRateMarketsJSON), 200));
+
+      final result = await ChangeNow.getAvailableFixedRateMarkets(
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value!.length, 237);
+    });
+
+    test(
+        "getAvailableFixedRateMarkets fails with ChangeNowExceptionType.serializeResponseError",
+        () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/market-info/fixed-rate/testAPIKEY"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async => Response('{"error": 42}', 200));
+
+      final result = await ChangeNow.getAvailableFixedRateMarkets(
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception!.type,
+          ChangeNowExceptionType.serializeResponseError);
+      expect(result.value == null, true);
+    });
+
+    test("getAvailableFixedRateMarkets fails for any other reason", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.get(
+        Uri.parse(
+            "https://api.changenow.io/v1/market-info/fixed-rate/testAPIKEY"),
+        headers: {'Content-Type': 'application/json'},
+      )).thenAnswer((realInvocation) async => Response('', 400));
+
+      final result = await ChangeNow.getAvailableFixedRateMarkets(
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception!.type, ChangeNowExceptionType.generic);
+      expect(result.value == null, true);
+    });
+  });
+
+  group("createStandardExchangeTransaction", () {
+    test("createStandardExchangeTransaction succeeds", () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.post(
+        Uri.parse("https://api.changenow.io/v1/transactions/testAPIKEY"),
+        headers: {'Content-Type': 'application/json'},
+        body:
+            '{"from":"xmr","to":"btc","address":"bc1qu58svs9983e2vuyqh7gq7ratf8k5qehz5k0cn5","amount":"0.3","flow":"standard","extraId":"","userId":"","contactEmail":"","refundAddress":"888tNkZrPN6JsEgekjMnABU4TBzc2Dt29EPAvkRxbANsAnjyPbb3iQ1YBRk1UXcdRsiKc9dhwMVgN5S9cQUiyoogDavup3H","refundExtraId":""}',
+        encoding: null,
+      )).thenAnswer((realInvocation) async =>
+          Response(jsonEncode(createStandardTransactionResponse), 200));
+
+      final result = await ChangeNow.createStandardExchangeTransaction(
+        fromTicker: "xmr",
+        toTicker: "btc",
+        receivingAddress: "bc1qu58svs9983e2vuyqh7gq7ratf8k5qehz5k0cn5",
+        amount: Decimal.parse("0.3"),
+        refundAddress:
+            "888tNkZrPN6JsEgekjMnABU4TBzc2Dt29EPAvkRxbANsAnjyPbb3iQ1YBRk1UXcdRsiKc9dhwMVgN5S9cQUiyoogDavup3H",
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception, null);
+      expect(result.value == null, false);
+      expect(result.value, isA<ExchangeTransaction>());
+    });
+
+    test(
+        "createStandardExchangeTransaction fails with ChangeNowExceptionType.serializeResponseError",
+        () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.post(
+        Uri.parse("https://api.changenow.io/v1/transactions/testAPIKEY"),
+        headers: {'Content-Type': 'application/json'},
+        body:
+            '{"from":"xmr","to":"btc","address":"bc1qu58svs9983e2vuyqh7gq7ratf8k5qehz5k0cn5","amount":"0.3","flow":"standard","extraId":"","userId":"","contactEmail":"","refundAddress":"888tNkZrPN6JsEgekjMnABU4TBzc2Dt29EPAvkRxbANsAnjyPbb3iQ1YBRk1UXcdRsiKc9dhwMVgN5S9cQUiyoogDavup3H","refundExtraId":""}',
+        encoding: null,
+      )).thenAnswer((realInvocation) async => Response('{"error": 42}', 200));
+
+      final result = await ChangeNow.createStandardExchangeTransaction(
+        fromTicker: "xmr",
+        toTicker: "btc",
+        receivingAddress: "bc1qu58svs9983e2vuyqh7gq7ratf8k5qehz5k0cn5",
+        amount: Decimal.parse("0.3"),
+        refundAddress:
+            "888tNkZrPN6JsEgekjMnABU4TBzc2Dt29EPAvkRxbANsAnjyPbb3iQ1YBRk1UXcdRsiKc9dhwMVgN5S9cQUiyoogDavup3H",
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception!.type,
+          ChangeNowExceptionType.serializeResponseError);
+      expect(result.value == null, true);
+    });
+
+    test("createStandardExchangeTransaction fails for any other reason",
+        () async {
+      final client = MockClient();
+      ChangeNow.client = client;
+
+      when(client.post(
+        Uri.parse("https://api.changenow.io/v1/transactions/testAPIKEY"),
+        headers: {'Content-Type': 'application/json'},
+        body:
+            '{"from":"xmr","to":"btc","address":"bc1qu58svs9983e2vuyqh7gq7ratf8k5qehz5k0cn5","amount":"0.3","flow":"standard","extraId":"","userId":"","contactEmail":"","refundAddress":"888tNkZrPN6JsEgekjMnABU4TBzc2Dt29EPAvkRxbANsAnjyPbb3iQ1YBRk1UXcdRsiKc9dhwMVgN5S9cQUiyoogDavup3H","refundExtraId":""}',
+        encoding: null,
+      )).thenAnswer((realInvocation) async => Response('', 400));
+
+      final result = await ChangeNow.createStandardExchangeTransaction(
+        fromTicker: "xmr",
+        toTicker: "btc",
+        receivingAddress: "bc1qu58svs9983e2vuyqh7gq7ratf8k5qehz5k0cn5",
+        amount: Decimal.parse("0.3"),
+        refundAddress:
+            "888tNkZrPN6JsEgekjMnABU4TBzc2Dt29EPAvkRxbANsAnjyPbb3iQ1YBRk1UXcdRsiKc9dhwMVgN5S9cQUiyoogDavup3H",
+        apiKey: "testAPIKEY",
+      );
+
+      expect(result.exception!.type, ChangeNowExceptionType.generic);
+      expect(result.value == null, true);
+    });
+  });
+}

test/services/change_now/change_now_test.mocks.dart

@@ -0,0 +1,108 @@
+// Mocks generated by Mockito 5.2.0 from annotations
+// in stackwallet/test/services/change_now_test.dart.
+// Do not manually edit this file.
+
+import 'dart:async' as _i5;
+import 'dart:convert' as _i6;
+import 'dart:typed_data' as _i7;
+
+import 'package:http/src/base_request.dart' as _i8;
+import 'package:http/src/client.dart' as _i4;
+import 'package:http/src/response.dart' as _i2;
+import 'package:http/src/streamed_response.dart' as _i3;
+import 'package:mockito/mockito.dart' as _i1;
+
+// ignore_for_file: type=lint
+// ignore_for_file: avoid_redundant_argument_values
+// ignore_for_file: avoid_setters_without_getters
+// ignore_for_file: comment_references
+// ignore_for_file: implementation_imports
+// ignore_for_file: invalid_use_of_visible_for_testing_member
+// ignore_for_file: prefer_const_constructors
+// ignore_for_file: unnecessary_parenthesis
+// ignore_for_file: camel_case_types
+
+class _FakeResponse_0 extends _i1.Fake implements _i2.Response {}
+
+class _FakeStreamedResponse_1 extends _i1.Fake implements _i3.StreamedResponse {
+}
+
+/// A class which mocks [Client].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockClient extends _i1.Mock implements _i4.Client {
+  MockClient() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  _i5.Future<_i2.Response> head(Uri? url, {Map<String, String>? headers}) =>
+      (super.noSuchMethod(Invocation.method(#head, [url], {#headers: headers}),
+              returnValue: Future<_i2.Response>.value(_FakeResponse_0()))
+          as _i5.Future<_i2.Response>);
+  @override
+  _i5.Future<_i2.Response> get(Uri? url, {Map<String, String>? headers}) =>
+      (super.noSuchMethod(Invocation.method(#get, [url], {#headers: headers}),
+              returnValue: Future<_i2.Response>.value(_FakeResponse_0()))
+          as _i5.Future<_i2.Response>);
+  @override
+  _i5.Future<_i2.Response> post(Uri? url,
+          {Map<String, String>? headers,
+          Object? body,
+          _i6.Encoding? encoding}) =>
+      (super.noSuchMethod(
+              Invocation.method(#post, [url],
+                  {#headers: headers, #body: body, #encoding: encoding}),
+              returnValue: Future<_i2.Response>.value(_FakeResponse_0()))
+          as _i5.Future<_i2.Response>);
+  @override
+  _i5.Future<_i2.Response> put(Uri? url,
+          {Map<String, String>? headers,
+          Object? body,
+          _i6.Encoding? encoding}) =>
+      (super.noSuchMethod(
+              Invocation.method(#put, [url],
+                  {#headers: headers, #body: body, #encoding: encoding}),
+              returnValue: Future<_i2.Response>.value(_FakeResponse_0()))
+          as _i5.Future<_i2.Response>);
+  @override
+  _i5.Future<_i2.Response> patch(Uri? url,
+          {Map<String, String>? headers,
+          Object? body,
+          _i6.Encoding? encoding}) =>
+      (super.noSuchMethod(
+              Invocation.method(#patch, [url],
+                  {#headers: headers, #body: body, #encoding: encoding}),
+              returnValue: Future<_i2.Response>.value(_FakeResponse_0()))
+          as _i5.Future<_i2.Response>);
+  @override
+  _i5.Future<_i2.Response> delete(Uri? url,
+          {Map<String, String>? headers,
+          Object? body,
+          _i6.Encoding? encoding}) =>
+      (super.noSuchMethod(
+              Invocation.method(#delete, [url],
+                  {#headers: headers, #body: body, #encoding: encoding}),
+              returnValue: Future<_i2.Response>.value(_FakeResponse_0()))
+          as _i5.Future<_i2.Response>);
+  @override
+  _i5.Future<String> read(Uri? url, {Map<String, String>? headers}) =>
+      (super.noSuchMethod(Invocation.method(#read, [url], {#headers: headers}),
+          returnValue: Future<String>.value('')) as _i5.Future<String>);
+  @override
+  _i5.Future<_i7.Uint8List> readBytes(Uri? url,
+          {Map<String, String>? headers}) =>
+      (super.noSuchMethod(
+              Invocation.method(#readBytes, [url], {#headers: headers}),
+              returnValue: Future<_i7.Uint8List>.value(_i7.Uint8List(0)))
+          as _i5.Future<_i7.Uint8List>);
+  @override
+  _i5.Future<_i3.StreamedResponse> send(_i8.BaseRequest? request) =>
+      (super.noSuchMethod(Invocation.method(#send, [request]),
+              returnValue:
+                  Future<_i3.StreamedResponse>.value(_FakeStreamedResponse_1()))
+          as _i5.Future<_i3.StreamedResponse>);
+  @override
+  void close() => super.noSuchMethod(Invocation.method(#close, []),
+      returnValueForMissingStub: null);
+}