Make sure 'eq' does not return null

Author: nhaarman

mockito-kotlin/src/main/kotlin/com/nhaarman/mockito_kotlin/Mockito.kt

@@ -27,6 +27,7 @@ package com.nhaarman.mockito_kotlin
 
 import org.mockito.Mockito
 import org.mockito.verification.VerificationMode
+import kotlin.reflect.KClass
 
 inline fun <reified T : Any> mock() = Mockito.mock(T::class.java)
 fun <T : Any> spy(value: T) = Mockito.spy(value)
@@ -40,6 +41,7 @@ fun <T> reset(mock: T) = Mockito.reset(mock)
 fun inOrder(vararg value: Any) = Mockito.inOrder(*value)
 fun never() = Mockito.never()
 
-fun <T> eq(value: T) = Mockito.eq(value)
+inline fun <reified T : Any> eq(value: T) = eq(value, T::class)
+fun <T : Any> eq(value: T, kClass: KClass<T>) = Mockito.eq(value) ?: createInstance(kClass)
 
 inline fun <reified T : Any> isNull(): T? = Mockito.isNull(T::class.java)

mockito-kotlin/src/test/kotlin/AnyTest.kt

@@ -385,11 +385,6 @@ class AnyTest {
         expect(result).toBe(MyEnum.VALUE)
     }
 
-    open class Fake {
-        open fun go(arg: Any?) {
-        }
-    }
-
     class ClosedClass
     class ClosedParameterizedClass(val fake: Fake)
     class ClosedClosedParameterizedClass(val closed: ClosedParameterizedClass)

mockito-kotlin/src/test/kotlin/EqTest.kt

@@ -0,0 +1,126 @@
+/*
+ * The MIT License
+ *
+ * Copyright (c) 2016 Niek Haarman
+ * Copyright (c) 2007 Mockito contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/*
+ * The MIT License
+ *
+ * Copyright (c) 2016 Niek Haarman
+ * Copyright (c) 2007 Mockito contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/*
+ * Copyright 2016 Niek Haarman
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import com.nhaarman.expect.expect
+import com.nhaarman.mockito_kotlin.eq
+import com.nhaarman.mockito_kotlin.mock
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+import org.mockito.Mockito
+
+class EqTest {
+
+    private val interfaceInstance: MyInterface = MyClass()
+    private val openClassInstance: MyClass = MyClass()
+    private val closedClassInstance: ClosedClass = ClosedClass()
+
+    private lateinit var doAnswer: Fake
+
+    @Before
+    fun setup() {
+        /* Create a proper Mockito state */
+        doAnswer = Mockito.doAnswer { }.`when`(mock())
+    }
+
+    @After
+    fun tearDown() {
+        /* Close `any` Mockito state */
+        doAnswer.go(0)
+    }
+
+    @Test
+    fun eqInterfaceInstance() {
+        /* When */
+        val result = eq(interfaceInstance)
+
+        /* Then */
+        expect(result).toNotBeNull()
+    }
+
+    @Test
+    fun eqOpenClassInstance() {
+        /* When */
+        val result = eq(openClassInstance)
+
+        /* Then */
+        expect(result).toNotBeNull()
+    }
+
+    @Test
+    fun eqClosedClassInstance() {
+        /* When */
+        val result = eq(closedClassInstance)
+
+        /* Then */
+        expect(result).toNotBeNull()
+    }
+
+    private interface MyInterface
+    private open class MyClass : MyInterface
+    class ClosedClass
+}
+

mockito-kotlin/src/test/kotlin/Fake.kt

@@ -0,0 +1,29 @@
+/*
+* The MIT License
+*
+* Copyright (c) 2016 Niek Haarman
+* Copyright (c) 2007 Mockito contributors
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+* THE SOFTWARE.
+*/
+
+open class Fake {
+    open fun go(arg: Any?) {
+    }
+}