Merge pull request #21 from samuelematias/lesson21

Lesson 21: Verifying interactions with mockito
samuelematias · Dec 2, 2020 · 46698b1 · 46698b1
2 parents 260038c + 3747c5a
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diff --git a/README.md b/README.md
@@ -44,6 +44,9 @@ Calculator - [Caster.IO](https://caster.io) project to showcase testing techniqu
 
 [Lesson 20: Stubbing asynchronous methods using mockito](https://caster.io/lessons/lesson-20-stubbing-asynchronous-methods-using-mockito) 👉🏾 [Branch](https://github.com/samuelematias/calculator_app/tree/lesson20)
 
+
+[Lesson 21: Verifying interactions with mockito](https://caster.io/lessons/lesson-21-verifying-interactions-with-mockito) 👉🏾 [Branch](https://github.com/samuelematias/calculator_app/tree/lesson21)
+
 ## License
 
 ```

diff --git a/test/two_digit_operation_test.dart b/test/two_digit_operation_test.dart
@@ -39,6 +39,7 @@ void main() {
         );
         await tester.pumpAndSettle();
         expect(find.text('is 25.0'), findsOneWidget);
+        verify(calculator.add(3, 1)).called(1);
       });
     });