fake_api: Allow recording and taking multiple requests.

Signed-off-by: Zixuan James Li <[email protected]>

Author: PIG208

test/api/fake_api.dart

@@ -29,11 +29,11 @@ class _PreparedSuccess extends _PreparedResponse {
 /// An [http.Client] that accepts and replays canned responses, for testing.
 class FakeHttpClient extends http.BaseClient {
 
-  http.BaseRequest? lastRequest;
+  List<http.BaseRequest> previousRequests = [];
 
-  http.BaseRequest? takeLastRequest() {
-    final result = lastRequest;
-    lastRequest = null;
+  List<http.BaseRequest> takePreviousRequests() {
+    final result = previousRequests;
+    previousRequests = [];
     return result;
   }
 
@@ -80,7 +80,7 @@ class FakeHttpClient extends http.BaseClient {
 
   @override
   Future<http.StreamedResponse> send(http.BaseRequest request) {
-    lastRequest = request;
+    previousRequests.add(request);
 
     if (_nextResponse == null) {
       throw FlutterError.fromParts([
@@ -205,9 +205,9 @@ class FakeApiConnection extends ApiConnection {
     super.close();
   }
 
-  http.BaseRequest? get lastRequest => client.lastRequest;
+  http.BaseRequest? get lastRequest => client.previousRequests.lastOrNull;
 
-  http.BaseRequest? takeLastRequest() => client.takeLastRequest();
+  List<http.BaseRequest> takePreviousRequests() => client.takePreviousRequests();
 
   /// Prepare the response for the next request.
   ///

test/model/store_test.dart

@@ -205,7 +205,7 @@ void main() {
       await store.sendMessage(
         destination: StreamDestination(stream.streamId, 'world'),
         content: 'hello');
-      check(connection.takeLastRequest()).isA<http.Request>()
+      check(connection.takePreviousRequests()).single.isA<http.Request>()
         ..method.equals('POST')
         ..url.path.equals('/api/v1/messages')
         ..bodyFields.deepEquals({
@@ -233,7 +233,7 @@ void main() {
     }
 
     void checkLastRequest() {
-      check(connection.takeLastRequest()).isA<http.Request>()
+      check(connection.takePreviousRequests()).single.isA<http.Request>()
         ..method.equals('POST')
         ..url.path.equals('/api/v1/register');
     }
@@ -337,7 +337,7 @@ void main() {
     }
 
     void checkLastRequest({required int lastEventId}) {
-      check(connection.takeLastRequest()).isA<http.Request>()
+      check(connection.takePreviousRequests()).single.isA<http.Request>()
         ..method.equals('GET')
         ..url.path.equals('/api/v1/events')
         ..url.queryParameters.deepEquals({
@@ -487,14 +487,14 @@ void main() {
     }
 
     void checkLastRequestApns({required String token, required String appid}) {
-      check(connection.takeLastRequest()).isA<http.Request>()
+      check(connection.takePreviousRequests()).single.isA<http.Request>()
         ..method.equals('POST')
         ..url.path.equals('/api/v1/users/me/apns_device_token')
         ..bodyFields.deepEquals({'token': token, 'appid': appid});
     }
 
     void checkLastRequestFcm({required String token}) {
-      check(connection.takeLastRequest()).isA<http.Request>()
+      check(connection.takePreviousRequests()).single.isA<http.Request>()
         ..method.equals('POST')
         ..url.path.equals('/api/v1/users/me/android_gcm_reg_id')
         ..bodyFields.deepEquals({'token': token});