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      1 /*
      2  * Copyright (c) 2007 Mockito contributors
      3  * This program is made available under the terms of the MIT License.
      4  */
      5 
      6 package org.mockitousage.basicapi;
      7 
      8 import org.junit.Test;
      9 import org.mockito.Mockito;
     10 import org.mockito.exceptions.base.MockitoException;
     11 import org.mockito.exceptions.verification.SmartNullPointerException;
     12 import org.mockitousage.IMethods;
     13 import org.mockitoutil.TestBase;
     14 
     15 import java.util.LinkedList;
     16 import java.util.List;
     17 import java.util.Set;
     18 
     19 import static org.junit.Assert.*;
     20 import static org.assertj.core.api.Assertions.assertThat;
     21 import static org.mockito.Mockito.*;
     22 
     23 @SuppressWarnings("unchecked")
     24 public class MocksCreationTest extends TestBase {
     25 
     26     private class HasPrivateConstructor {}
     27 
     28     @Test
     29     public void shouldCreateMockWhenConstructorIsPrivate() {
     30         assertNotNull(Mockito.mock(HasPrivateConstructor.class));
     31     }
     32 
     33     @Test
     34     public void shouldCombineMockNameAndSmartNulls() {
     35         //given
     36         IMethods mock = mock(IMethods.class, withSettings()
     37             .defaultAnswer(RETURNS_SMART_NULLS)
     38             .name("great mockie"));
     39 
     40         //when
     41         IMethods smartNull = mock.iMethodsReturningMethod();
     42         String name = mock.toString();
     43 
     44         //then
     45         assertThat(name).contains("great mockie");
     46         //and
     47         try {
     48             smartNull.simpleMethod();
     49             fail();
     50         } catch(SmartNullPointerException e) {}
     51     }
     52 
     53     @Test
     54     public void shouldCombineMockNameAndExtraInterfaces() {
     55         //given
     56         IMethods mock = mock(IMethods.class, withSettings()
     57                 .extraInterfaces(List.class)
     58                 .name("great mockie"));
     59 
     60         //when
     61         String name = mock.toString();
     62 
     63         //then
     64         assertThat(name).contains("great mockie");
     65         //and
     66         assertTrue(mock instanceof List);
     67     }
     68 
     69     @Test
     70     public void shouldSpecifyMockNameViaSettings() {
     71         //given
     72         IMethods mock = mock(IMethods.class, withSettings().name("great mockie"));
     73 
     74         //when
     75         String name = mock.toString();
     76 
     77         //then
     78         assertThat(name).contains("great mockie");
     79     }
     80 
     81     @Test
     82     public void shouldScreamWhenSpyCreatedWithWrongType() {
     83         //given
     84         List list = new LinkedList();
     85         try {
     86             //when
     87             mock(List.class, withSettings().spiedInstance(list));
     88             fail();
     89             //then
     90         } catch (MockitoException e) {}
     91     }
     92 
     93     @Test
     94     public void shouldAllowCreatingSpiesWithCorrectType() {
     95         List list = new LinkedList();
     96         mock(LinkedList.class, withSettings().spiedInstance(list));
     97     }
     98 
     99     @Test
    100     public void shouldAllowInlineMockCreation() throws Exception {
    101         when(mock(Set.class).isEmpty()).thenReturn(false);
    102     }
    103 
    104 }
    105