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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.verification;
      7 
      8 import org.junit.Before;
      9 import org.junit.Test;
     10 import org.mockito.exceptions.base.MockitoException;
     11 import org.mockito.exceptions.verification.NoInteractionsWanted;
     12 import org.mockitoutil.TestBase;
     13 
     14 import java.util.LinkedList;
     15 import java.util.List;
     16 import java.util.Map;
     17 
     18 import static junit.framework.TestCase.fail;
     19 import static org.assertj.core.api.Assertions.assertThat;
     20 import static org.mockito.Mockito.*;
     21 
     22 @SuppressWarnings("unchecked")
     23 public class NoMoreInteractionsVerificationTest extends TestBase {
     24 
     25     private LinkedList mock;
     26 
     27     @Before
     28     public void setup() {
     29         mock = mock(LinkedList.class);
     30     }
     31 
     32     @Test
     33     public void shouldStubbingNotRegisterRedundantInteractions() throws Exception {
     34         when(mock.add("one")).thenReturn(true);
     35         when(mock.add("two")).thenReturn(true);
     36 
     37         mock.add("one");
     38 
     39         verify(mock).add("one");
     40         verifyNoMoreInteractions(mock);
     41     }
     42 
     43     @Test
     44     public void shouldVerifyWhenWantedNumberOfInvocationsUsed() throws Exception {
     45         mock.add("one");
     46         mock.add("one");
     47         mock.add("one");
     48 
     49         verify(mock, times(3)).add("one");
     50 
     51         verifyNoMoreInteractions(mock);
     52     }
     53 
     54     @Test
     55     public void shouldVerifyNoInteractionsAsManyTimesAsYouWant() throws Exception {
     56         verifyNoMoreInteractions(mock);
     57         verifyNoMoreInteractions(mock);
     58 
     59         verifyZeroInteractions(mock);
     60         verifyZeroInteractions(mock);
     61     }
     62 
     63     @Test
     64     public void shouldFailZeroInteractionsVerification() throws Exception {
     65         mock.clear();
     66 
     67         try {
     68             verifyZeroInteractions(mock);
     69             fail();
     70         } catch (NoInteractionsWanted e) {}
     71     }
     72 
     73     @Test
     74     public void shouldFailNoMoreInteractionsVerification() throws Exception {
     75         mock.clear();
     76 
     77         try {
     78             verifyNoMoreInteractions(mock);
     79             fail();
     80         } catch (NoInteractionsWanted e) {}
     81     }
     82 
     83     @Test
     84     public void shouldPrintAllInvocationsWhenVerifyingNoMoreInvocations() throws Exception {
     85         mock.add(1);
     86         mock.add(2);
     87         mock.clear();
     88 
     89         verify(mock).add(2);
     90         try {
     91             verifyNoMoreInteractions(mock);
     92             fail();
     93         } catch (NoInteractionsWanted e) {
     94             assertThat(e).hasMessageContaining("list of all invocations");
     95         }
     96     }
     97 
     98     @Test
     99     public void shouldNotContainAllInvocationsWhenSingleUnwantedFound() throws Exception {
    100         mock.add(1);
    101 
    102         try {
    103             verifyNoMoreInteractions(mock);
    104             fail();
    105         } catch (NoInteractionsWanted e) {
    106             assertThat(e.getMessage()).doesNotContain("list of all invocations");
    107         }
    108     }
    109 
    110     @Test
    111     public void shouldVerifyOneMockButFailOnOther() throws Exception {
    112         List<String> list = mock(List.class);
    113         Map<String, Integer> map = mock(Map.class);
    114 
    115         list.add("one");
    116         list.add("one");
    117 
    118         map.put("one", 1);
    119 
    120         verify(list, times(2)).add("one");
    121 
    122         verifyNoMoreInteractions(list);
    123         try {
    124             verifyZeroInteractions(map);
    125             fail();
    126         } catch (NoInteractionsWanted e) {}
    127     }
    128 
    129     @SuppressWarnings("all")
    130     @Test(expected=MockitoException.class)
    131     public void verifyNoMoreInteractionsShouldScreamWhenNullPassed() throws Exception {
    132         verifyNoMoreInteractions((Object[])null);
    133     }
    134 }
    135