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how to ignore the argument passed to a method being mocked

The mock of my class isn't getting calledWhat is the difference between mockito-core and mockito-allHow to make mock to void methods with mockitoHow can I make a method return an argument that was passed to it?Mockito mocks with Spring: “Argument passed to verify() is not a mock!”mockito callbacks and getting argument valuesMock a JPA CriteriaBuilder with MockitoMockito mock method based on another mock methodMocking method taking a Supplier<String> method not workingMocking case classes with primitive typesMockito argument matchers with higher order functionVerification on mock object not respect to test case

0

I am testing my scala and play code using Mockito. My code uses a save method which takes a User argument. I don't care about the value passed to save. I tried to code this behaviour as follows

when(mockUserRepository.save(any())).thenReturn(Future(Some(user)))

but I get error

Error:(219, 36) not found: value any
when(mockUserRepository.save(any())).thenReturn(Future(Some(user)))

What is the way to specify any for scala code in mockito?

In my build.sbt. I have downloaded only mockito-core. Do I need something else as well?

"org.mockito" % "mockito-core" % "2.24.5" % "test"

scala mockito

share|improve this question

edited Mar 9 at 10:12

Manu Chadha

asked Mar 8 at 22:13

Manu ChadhaManu Chadha

3,41921945

add a comment | 

0

I am testing my scala and play code using Mockito. My code uses a save method which takes a User argument. I don't care about the value passed to save. I tried to code this behaviour as follows

when(mockUserRepository.save(any())).thenReturn(Future(Some(user)))

but I get error

Error:(219, 36) not found: value any
when(mockUserRepository.save(any())).thenReturn(Future(Some(user)))

What is the way to specify any for scala code in mockito?

In my build.sbt. I have downloaded only mockito-core. Do I need something else as well?

"org.mockito" % "mockito-core" % "2.24.5" % "test"

scala mockito

share|improve this question

edited Mar 9 at 10:12

Manu Chadha

asked Mar 8 at 22:13

Manu ChadhaManu Chadha

3,41921945

add a comment | 

I am testing my scala and play code using Mockito. My code uses a save method which takes a User argument. I don't care about the value passed to save. I tried to code this behaviour as follows

when(mockUserRepository.save(any())).thenReturn(Future(Some(user)))

but I get error

Error:(219, 36) not found: value any
when(mockUserRepository.save(any())).thenReturn(Future(Some(user)))

What is the way to specify any for scala code in mockito?

In my build.sbt. I have downloaded only mockito-core. Do I need something else as well?

"org.mockito" % "mockito-core" % "2.24.5" % "test"

scala mockito

share|improve this question

edited Mar 9 at 10:12

Manu Chadha

asked Mar 8 at 22:13

Manu ChadhaManu Chadha

3,41921945

share|improve this question

edited Mar 9 at 10:12

Manu Chadha

asked Mar 8 at 22:13

Manu ChadhaManu Chadha

3,41921945

share|improve this question

edited Mar 9 at 10:12

Manu Chadha

asked Mar 8 at 22:13

Manu ChadhaManu Chadha

3,41921945

asked Mar 8 at 22:13

Manu ChadhaManu Chadha

3,41921945

asked Mar 8 at 22:13

Manu ChadhaManu Chadha

3,41921945

3 Answers
3

active

oldest

votes

0

You can use org.mockito.Matchers

import org.mockito.Mockito._
import org.mockito.Matchers._

val mockUserRepository = mock[call_your_MockUserRepositiry_service] 
 // something like below 
 // val service = mock[Service[Any, Any]] OR
 // val mockService = mock[MyService]

when(mockUserRepository.save(any)) thenReturn(Future(Some(user)))

Please refer https://www.programcreek.com/scala/org.mockito.Matchers

Update:

If Matchers are deprecated in Mockito 2.0 then you can use org.mockito.ArgumentMatchers

In Java Something like below

class Foo
 boolean bool(String str, int i, Object obj) 
 return false;
 


Foo mockFoo = mock(Foo.class);
when(mockFoo.bool(anyString(), anyInt(), any(Object.class))).thenReturn(true);

In Scala something like below

def setupService(inputResponse: Future[Unit]): AdminService = 
 val mockConnector = mock[MongoConnector]

 when(mockConnector.putEntry(ArgumentMatchers.any(), ArgumentMatchers.any())(ArgumentMatchers.any()))
 .thenReturn(inputResponse)

 new AdminService(mockConnector)
 

Hope it helps!

share|improve this answer

edited Mar 9 at 15:47

answered Mar 9 at 13:24

KZapagolKZapagol

54618

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. I have read that ‘Matchers’ are deprecated from ‘Mockito 2.0’. Is there an alternate approach?
  
  – Manu Chadha
  Mar 9 at 14:10
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Then you can use org.mockito.ArgumentMatcher to mock the behavior for any argument of the given type.
  
  – KZapagol
  Mar 9 at 14:38
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please refer my updated comment above.
  
  – KZapagol
  Mar 9 at 14:45
  
  

  
  
  
  

add a comment | 

0

Try any[User] instead of any()

share|improve this answer

answered Mar 8 at 22:37

amseageramseager

1,0751917

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  similar error Error:(221, 36) not found: value any when(mockUserRepository.save(any[User])).thenReturn(Future(Some(user)))
  
  – Manu Chadha
  Mar 9 at 9:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  to make any[User] work, I had to include "org.mockito" %"mockito-all"%"1.10.19"%"test" instead of "org.mockito" % "mockito-core" % "2.24.5" % "test" in buld.sbt and do import org.mockito.Matchers.any in the spec file. I am not sure if this is the right way though
  
  – Manu Chadha
  Mar 9 at 10:36
  

  
  
  
  

add a comment | 

0

I'd say that to avoid this and many other issues related to Scala-Java interoperability, you should use the Scala version of Mockito (mockito-scala) with it, after mix-in the trait org.mockito.ArgumentMatchersSugar you can write

when(mockUserRepository.save(*)).thenReturn(Future(Some(user)))

Or if you fancy a more scala-like syntax

mockUserRepository.save(*) shouldReturn Future(Some(user))

Check the readme to see more examples and scala specific features

share|improve this answer

answered Mar 9 at 16:07

BrunoBruno

48139

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks Bruno. trying mockito-scala would be in my mind in future. At the moment, I am very new to unit-testing and have already spent some time getting my head around mockito. I'll like to develop better knowledge of Mockito before I move to mockito-scala.
  
  – Manu Chadha
  Mar 9 at 18:07
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  would I be able to mock objects if I use mockito-scala. I know that is an issue with mockito and the solution to that seem to be powermockito.
  
  – Manu Chadha
  Mar 9 at 18:47
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You wouldn't, it's usually a hint that something's wrong with your design if you need to mock objects
  
  – Bruno
  Mar 10 at 14:43
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Ok. As far as I know, package objects are the way to create global methods in Scala. I am wondering how I can mock such methods then. If you don't mind, could you please take a look at this stackoverflow.com/questions/55089128/…
  
  – Manu Chadha
  Mar 10 at 15:17
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, but those global functions are usually pure functions for small utilities, if you have something complex enough that need to be mocked for the sake of testing, you should model it as a trait/class and then inject the dependency (either as a constructor param or as an extra param to the function that uses it) so then in test code you can replace it by a mock
  
  – Bruno
  Mar 10 at 18:34
  

  
  
  
  

add a comment | 

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0

You can use org.mockito.Matchers

import org.mockito.Mockito._
import org.mockito.Matchers._

val mockUserRepository = mock[call_your_MockUserRepositiry_service] 
 // something like below 
 // val service = mock[Service[Any, Any]] OR
 // val mockService = mock[MyService]

when(mockUserRepository.save(any)) thenReturn(Future(Some(user)))

Please refer https://www.programcreek.com/scala/org.mockito.Matchers

Update:

If Matchers are deprecated in Mockito 2.0 then you can use org.mockito.ArgumentMatchers

In Java Something like below

class Foo
 boolean bool(String str, int i, Object obj) 
 return false;
 


Foo mockFoo = mock(Foo.class);
when(mockFoo.bool(anyString(), anyInt(), any(Object.class))).thenReturn(true);

In Scala something like below

def setupService(inputResponse: Future[Unit]): AdminService = 
 val mockConnector = mock[MongoConnector]

 when(mockConnector.putEntry(ArgumentMatchers.any(), ArgumentMatchers.any())(ArgumentMatchers.any()))
 .thenReturn(inputResponse)

 new AdminService(mockConnector)
 

Hope it helps!

share|improve this answer

edited Mar 9 at 15:47

answered Mar 9 at 13:24

KZapagolKZapagol

54618

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. I have read that ‘Matchers’ are deprecated from ‘Mockito 2.0’. Is there an alternate approach?
  
  – Manu Chadha
  Mar 9 at 14:10
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Then you can use org.mockito.ArgumentMatcher to mock the behavior for any argument of the given type.
  
  – KZapagol
  Mar 9 at 14:38
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please refer my updated comment above.
  
  – KZapagol
  Mar 9 at 14:45
  
  

  
  
  
  

add a comment | 

0

You can use org.mockito.Matchers

import org.mockito.Mockito._
import org.mockito.Matchers._

val mockUserRepository = mock[call_your_MockUserRepositiry_service] 
 // something like below 
 // val service = mock[Service[Any, Any]] OR
 // val mockService = mock[MyService]

when(mockUserRepository.save(any)) thenReturn(Future(Some(user)))

Please refer https://www.programcreek.com/scala/org.mockito.Matchers

Update:

If Matchers are deprecated in Mockito 2.0 then you can use org.mockito.ArgumentMatchers

In Java Something like below

class Foo
 boolean bool(String str, int i, Object obj) 
 return false;
 


Foo mockFoo = mock(Foo.class);
when(mockFoo.bool(anyString(), anyInt(), any(Object.class))).thenReturn(true);

In Scala something like below

def setupService(inputResponse: Future[Unit]): AdminService = 
 val mockConnector = mock[MongoConnector]

 when(mockConnector.putEntry(ArgumentMatchers.any(), ArgumentMatchers.any())(ArgumentMatchers.any()))
 .thenReturn(inputResponse)

 new AdminService(mockConnector)
 

Hope it helps!

share|improve this answer

edited Mar 9 at 15:47

answered Mar 9 at 13:24

KZapagolKZapagol

54618

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. I have read that ‘Matchers’ are deprecated from ‘Mockito 2.0’. Is there an alternate approach?
  
  – Manu Chadha
  Mar 9 at 14:10
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Then you can use org.mockito.ArgumentMatcher to mock the behavior for any argument of the given type.
  
  – KZapagol
  Mar 9 at 14:38
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please refer my updated comment above.
  
  – KZapagol
  Mar 9 at 14:45
  
  

  
  
  
  

add a comment | 

You can use org.mockito.Matchers

import org.mockito.Mockito._
import org.mockito.Matchers._

val mockUserRepository = mock[call_your_MockUserRepositiry_service] 
 // something like below 
 // val service = mock[Service[Any, Any]] OR
 // val mockService = mock[MyService]

when(mockUserRepository.save(any)) thenReturn(Future(Some(user)))

Please refer https://www.programcreek.com/scala/org.mockito.Matchers

Update:

If Matchers are deprecated in Mockito 2.0 then you can use org.mockito.ArgumentMatchers

In Java Something like below

class Foo
 boolean bool(String str, int i, Object obj) 
 return false;
 


Foo mockFoo = mock(Foo.class);
when(mockFoo.bool(anyString(), anyInt(), any(Object.class))).thenReturn(true);

In Scala something like below

def setupService(inputResponse: Future[Unit]): AdminService = 
 val mockConnector = mock[MongoConnector]

 when(mockConnector.putEntry(ArgumentMatchers.any(), ArgumentMatchers.any())(ArgumentMatchers.any()))
 .thenReturn(inputResponse)

 new AdminService(mockConnector)
 

Hope it helps!

share|improve this answer

edited Mar 9 at 15:47

answered Mar 9 at 13:24

KZapagolKZapagol

54618

import org.mockito.Mockito._
import org.mockito.Matchers._

val mockUserRepository = mock[call_your_MockUserRepositiry_service] 
 // something like below 
 // val service = mock[Service[Any, Any]] OR
 // val mockService = mock[MyService]

when(mockUserRepository.save(any)) thenReturn(Future(Some(user)))

class Foo
 boolean bool(String str, int i, Object obj) 
 return false;
 


Foo mockFoo = mock(Foo.class);
when(mockFoo.bool(anyString(), anyInt(), any(Object.class))).thenReturn(true);

def setupService(inputResponse: Future[Unit]): AdminService = 
 val mockConnector = mock[MongoConnector]

 when(mockConnector.putEntry(ArgumentMatchers.any(), ArgumentMatchers.any())(ArgumentMatchers.any()))
 .thenReturn(inputResponse)

 new AdminService(mockConnector)
 

share|improve this answer

edited Mar 9 at 15:47

answered Mar 9 at 13:24

KZapagolKZapagol

54618

answered Mar 9 at 13:24

KZapagolKZapagol

54618

answered Mar 9 at 13:24

KZapagolKZapagol

54618

0

Try any[User] instead of any()

share|improve this answer

answered Mar 8 at 22:37

amseageramseager

1,0751917

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  similar error Error:(221, 36) not found: value any when(mockUserRepository.save(any[User])).thenReturn(Future(Some(user)))
  
  – Manu Chadha
  Mar 9 at 9:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  to make any[User] work, I had to include "org.mockito" %"mockito-all"%"1.10.19"%"test" instead of "org.mockito" % "mockito-core" % "2.24.5" % "test" in buld.sbt and do import org.mockito.Matchers.any in the spec file. I am not sure if this is the right way though
  
  – Manu Chadha
  Mar 9 at 10:36
  

  
  
  
  

add a comment | 

0

Try any[User] instead of any()

share|improve this answer

answered Mar 8 at 22:37

amseageramseager

1,0751917

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  similar error Error:(221, 36) not found: value any when(mockUserRepository.save(any[User])).thenReturn(Future(Some(user)))
  
  – Manu Chadha
  Mar 9 at 9:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  to make any[User] work, I had to include "org.mockito" %"mockito-all"%"1.10.19"%"test" instead of "org.mockito" % "mockito-core" % "2.24.5" % "test" in buld.sbt and do import org.mockito.Matchers.any in the spec file. I am not sure if this is the right way though
  
  – Manu Chadha
  Mar 9 at 10:36
  

  
  
  
  

add a comment | 

Try any[User] instead of any()

share|improve this answer

answered Mar 8 at 22:37

amseageramseager

1,0751917

share|improve this answer

answered Mar 8 at 22:37

amseageramseager

1,0751917

answered Mar 8 at 22:37

amseageramseager

1,0751917

answered Mar 8 at 22:37

amseageramseager

1,0751917

0

I'd say that to avoid this and many other issues related to Scala-Java interoperability, you should use the Scala version of Mockito (mockito-scala) with it, after mix-in the trait org.mockito.ArgumentMatchersSugar you can write

when(mockUserRepository.save(*)).thenReturn(Future(Some(user)))

Or if you fancy a more scala-like syntax

mockUserRepository.save(*) shouldReturn Future(Some(user))

Check the readme to see more examples and scala specific features

share|improve this answer

answered Mar 9 at 16:07

BrunoBruno

48139

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks Bruno. trying mockito-scala would be in my mind in future. At the moment, I am very new to unit-testing and have already spent some time getting my head around mockito. I'll like to develop better knowledge of Mockito before I move to mockito-scala.
  
  – Manu Chadha
  Mar 9 at 18:07
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  would I be able to mock objects if I use mockito-scala. I know that is an issue with mockito and the solution to that seem to be powermockito.
  
  – Manu Chadha
  Mar 9 at 18:47
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You wouldn't, it's usually a hint that something's wrong with your design if you need to mock objects
  
  – Bruno
  Mar 10 at 14:43
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Ok. As far as I know, package objects are the way to create global methods in Scala. I am wondering how I can mock such methods then. If you don't mind, could you please take a look at this stackoverflow.com/questions/55089128/…
  
  – Manu Chadha
  Mar 10 at 15:17
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, but those global functions are usually pure functions for small utilities, if you have something complex enough that need to be mocked for the sake of testing, you should model it as a trait/class and then inject the dependency (either as a constructor param or as an extra param to the function that uses it) so then in test code you can replace it by a mock
  
  – Bruno
  Mar 10 at 18:34
  

  
  
  
  

add a comment | 

0

I'd say that to avoid this and many other issues related to Scala-Java interoperability, you should use the Scala version of Mockito (mockito-scala) with it, after mix-in the trait org.mockito.ArgumentMatchersSugar you can write

when(mockUserRepository.save(*)).thenReturn(Future(Some(user)))

Or if you fancy a more scala-like syntax

mockUserRepository.save(*) shouldReturn Future(Some(user))

Check the readme to see more examples and scala specific features

share|improve this answer

answered Mar 9 at 16:07

BrunoBruno

48139

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks Bruno. trying mockito-scala would be in my mind in future. At the moment, I am very new to unit-testing and have already spent some time getting my head around mockito. I'll like to develop better knowledge of Mockito before I move to mockito-scala.
  
  – Manu Chadha
  Mar 9 at 18:07
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  would I be able to mock objects if I use mockito-scala. I know that is an issue with mockito and the solution to that seem to be powermockito.
  
  – Manu Chadha
  Mar 9 at 18:47
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You wouldn't, it's usually a hint that something's wrong with your design if you need to mock objects
  
  – Bruno
  Mar 10 at 14:43
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Ok. As far as I know, package objects are the way to create global methods in Scala. I am wondering how I can mock such methods then. If you don't mind, could you please take a look at this stackoverflow.com/questions/55089128/…
  
  – Manu Chadha
  Mar 10 at 15:17
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, but those global functions are usually pure functions for small utilities, if you have something complex enough that need to be mocked for the sake of testing, you should model it as a trait/class and then inject the dependency (either as a constructor param or as an extra param to the function that uses it) so then in test code you can replace it by a mock
  
  – Bruno
  Mar 10 at 18:34
  

  
  
  
  

add a comment | 

I'd say that to avoid this and many other issues related to Scala-Java interoperability, you should use the Scala version of Mockito (mockito-scala) with it, after mix-in the trait org.mockito.ArgumentMatchersSugar you can write

when(mockUserRepository.save(*)).thenReturn(Future(Some(user)))

Or if you fancy a more scala-like syntax

mockUserRepository.save(*) shouldReturn Future(Some(user))

Check the readme to see more examples and scala specific features

share|improve this answer

answered Mar 9 at 16:07

BrunoBruno

48139

when(mockUserRepository.save(*)).thenReturn(Future(Some(user)))

mockUserRepository.save(*) shouldReturn Future(Some(user))

share|improve this answer

answered Mar 9 at 16:07

BrunoBruno

48139

answered Mar 9 at 16:07

BrunoBruno

48139

answered Mar 9 at 16:07

BrunoBruno

48139