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How to unit test retrofit call?


How to unit test retrofit call?

By : Ezer Isai Vidarte Ti
Date : October 23 2020, 08:10 PM
wish helps you The mocking problem (UserRequester)
You are not able to mock the mockSampleService method because your class is creating the SomeBody object and is different from the SomeBody object you are creating in your test.
code :

// the factory
class SomeObjectFactory{

    fun createSomeObject(someString: String): SomeObject {
        return SomeObject(someString)
    }

}

//the class
class UserRequester(
val service: SampleService, val factory: SomeObjectFactory
) {
     fun doGetSomething(someValue: String) {
         val response = service.getSomething(factory.createSomeObject(someValue))
         // ...
     }
 }

//the test
class MyTest{

    @Test
    fun myTestMethod(){
        val mockSampleService = mock()
        val factory = mock()
        val someBody = mock()
        val userRequester = UserRequester(mockSampleService, factory)
        `when`(factory.createSomeObject(someString)).thenReturn(someBody)

  `when`(mockSampleService.getSomething(someBody)).thenReturn(myExpectedValue)
    //rest of the code
    }

}


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Unit Test of Retrofit 2 api call with Mockito

Unit Test of Retrofit 2 api call with Mockito


By : Hazem Fergany
Date : March 29 2020, 07:55 AM
Hope that helps I need some advices on how to mock a rest api. My application is in MVP architecture. , You can do it in next way:
code :
@Test
public void testLoginWithCorrectUserNameAndPassword() throws Exception {
    // create or mock response object
    when(service.login(anyString(), anyString(), anyString).thenReturn(Observable.just(response));
    mLoginPresenter.login("user@email.com","password");
    verify(view).loginSuccess();
}

@Test
public void testLoginWithIncorrectUserNameAndPassword() throws Exception {
    // create or mock response object
    when(service.login(anyString(), anyString(), anyString).thenReturn(Observable.<Response>error(new IOException()));
    mLoginPresenter.login("user@email.com","password");
    verify(view).showError(anyString);
}
Robolectric + Retrofit + Unit test

Robolectric + Retrofit + Unit test


By : Rado_Obradovic
Date : March 29 2020, 07:55 AM
around this issue Ok, thanks to @EugenMartynov I found the answer.
In fact I was using another module and this module has always an interceptor for tests, but it was the same class name in the same package name.
Local unit test while using Call<T> object in Retrofit

Local unit test while using Call<T> object in Retrofit


By : BBenj
Date : March 29 2020, 07:55 AM
I wish did fix the issue. You can use retrofit-mock for this.
code :
val mockCall = Calls.response(Response.success(myTestData))
`when`(api.myFunction()).thenReturn(mockCall)
How would one unit test api call method (rxjava+retrofit)?

How would one unit test api call method (rxjava+retrofit)?


By : user2742636
Date : March 29 2020, 07:55 AM
I wish did fix the issue. You need to trigger event emission manually. To do this you need to call method
.blockingFirst() or .blockingGet()
code :
call.blockingGet()
How to unit test Retrofit api calls?

How to unit test Retrofit api calls?


By : Luke
Date : March 29 2020, 07:55 AM
it should still fix some issue I test my Retrofit callbacks using Mockito, Robolectric and Hamcrest libraries.
First of all, set up lib stack in your module's build.gradle:
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