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How to mock the data in Testng ? as like in junit

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I am panning to prepopulate data from DB for api automation. how to mock the data before starting the test. Please provide me some example.

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You can try exploring Mockito framework: http://site.mockito.org/

Github: https://github.com/mockito/mockito

Gradle dependency: dependencies { testCompile "org.mockito:mockito-core:1.+" }

 

Sample:

 

Verify interactions:
 
import static org.mockito.Mockito.*;
 
// mock creation
List mockedList = mock(List.class);
 
// using mock object - it does not throw any "unexpected interaction" exception
mockedList.add("one");
mockedList.clear();
 
// selective, explicit, highly readable verification
verify(mockedList).add("one");
verify(mockedList).clear();
 
stub method calls
 
// you can mock concrete classes, not only interfaces
LinkedList mockedList = mock(LinkedList.class);
 
// stubbing appears before the actual execution
when(mockedList.get(0)).thenReturn("first");
 
// the following prints "first"
System.out.println(mockedList.get(0));
 
// the following prints "null" because get(999) was not stubbed
System.out.println(mockedList.get(999));

Hope that helps. 

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