Add BDD will extension function

Author: gaburielcasado

mockito-kotlin/src/main/kotlin/com/nhaarman/mockitokotlin2/BDDMockito.kt

@@ -27,6 +27,7 @@ package com.nhaarman.mockitokotlin2
 
 import org.mockito.BDDMockito
 import org.mockito.BDDMockito.BDDMyOngoingStubbing
+import org.mockito.stubbing.Answer
 
 /**
  * Alias for [BDDMockito.given].
@@ -49,6 +50,13 @@ fun <T> then(mock: T): BDDMockito.Then<T> {
     return BDDMockito.then(mock)
 }
 
+/**
+ * Alias for [BDDMyOngoingStubbing.will]
+ * */
+infix fun <T> BDDMyOngoingStubbing<T>.will(value: Answer<T>): BDDMockito.BDDMyOngoingStubbing<T> {
+    return will(value)
+}
+
 /**
  * Alias for [BBDMyOngoingStubbing.willAnswer], accepting a lambda.
  */

tests/src/test/kotlin/test/BDDMockitoTest.kt

@@ -3,9 +3,22 @@ package test
 import com.nhaarman.expect.expect
 import com.nhaarman.mockitokotlin2.*
 import org.junit.Test
+import org.mockito.stubbing.Answer
 
 class BDDMockitoTest {
 
+    @Test
+    fun given_will_properlyStubs() {
+        /* Given */
+        val mock = mock<Methods>()
+
+        /* When */
+        given(mock.stringResult()) will Answer<String> { "Test" }
+
+        /* Then */
+        expect(mock.stringResult()).toBe("Test")
+    }
+
     @Test
     fun given_willReturn_properlyStubs() {
         /* Given */