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Copy pathfflib_ApexMocksTest.cls
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fflib_ApexMocksTest.cls
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/*
* Copyright (c) 2014-2017 FinancialForce.com, inc. All rights reserved.
*/
@isTest
private class fflib_ApexMocksTest
{
private static final fflib_ApexMocks MY_MOCKS = new fflib_ApexMocks();
private static final fflib_MyList MY_MOCK_LIST = (fflib_MyList)MY_MOCKS.mock(fflib_MyList.class);
@isTest
static void whenStubMultipleCallsWithMatchersShouldReturnExpectedValues()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.get2(fflib_Match.anyInteger(), fflib_Match.anyString())).thenReturn('any');
mocks.when(mockList.get2(fflib_Match.anyInteger(), fflib_Match.stringContains('Hello'))).thenReturn('hello');
mocks.stopStubbing();
// When
String actualValue = mockList.get2(0, 'Hi hi Hello Hi hi');
// Then
System.Assert.areEqual('hello', actualValue);
}
@isTest
static void whenVerifyMultipleCallsWithMatchersShouldReturnCorrectMethodCallCounts()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.add('bob');
mockList.add('fred');
// Then
((fflib_MyList.IList) mocks.verify(mockList, 2)).add(fflib_Match.anyString());
((fflib_MyList.IList) mocks.verify(mockList)).add('fred');
((fflib_MyList.IList) mocks.verify(mockList)).add(fflib_Match.stringContains('fred'));
}
@isTest
static void whenStubExceptionWithMatchersShouldThrowException()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
((fflib_MyList.IList) mocks.doThrowWhen(new MyException('Matcher Exception'), mockList)).add(fflib_Match.stringContains('Hello'));
mocks.stopStubbing();
// When
mockList.add('Hi');
try
{
mockList.add('Hi Hello Hi');
System.Assert.fail('Expected exception');
}
catch (MyException e)
{
//Then
System.Assert.areEqual('Matcher Exception', e.getMessage());
}
}
@isTest
static void whenVerifyWithCombinedMatchersShouldReturnCorrectMethodCallCounts()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.add('bob');
mockList.add('fred');
// Then
((fflib_MyList.IList) mocks.verify(mockList, 0)).add(
(String)fflib_Match.allOf(fflib_Match.eq('bob'), fflib_Match.stringContains('re'))
);
((fflib_MyList.IList) mocks.verify(mockList)).add(
(String)fflib_Match.allOf(fflib_Match.eq('fred'), fflib_Match.stringContains('re'))
);
((fflib_MyList.IList) mocks.verify(mockList, 2)).add(
(String)fflib_Match.anyOf(fflib_Match.eq('bob'), fflib_Match.eq('fred'))
);
((fflib_MyList.IList) mocks.verify(mockList, 1)).add(
(String)fflib_Match.anyOf(fflib_Match.eq('bob'), fflib_Match.eq('jack'))
);
((fflib_MyList.IList) mocks.verify(mockList, 2)).add(
(String)fflib_Match.noneOf(fflib_Match.eq('jack'), fflib_Match.eq('tim'))
);
((fflib_MyList.IList) mocks.verify(mockList, 2)).add(
(String)fflib_Match.noneOf(
fflib_Match.anyOf(fflib_Match.eq('jack'), fflib_Match.eq('jill')),
fflib_Match.allOf(fflib_Match.eq('tim'), fflib_Match.stringContains('i'))
)
);
((fflib_MyList.IList) mocks.verify(mockList, 2)).add(
(String)fflib_Match.isNot(fflib_Match.eq('jack'))
);
}
@isTest
static void whenStubCustomMatchersCanBeUsed()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.get((Integer)fflib_Match.matches(new isOdd()))).thenReturn('Odd');
mocks.when(mockList.get((Integer)fflib_Match.matches(new isEven()))).thenReturn('Even');
mocks.stopStubbing();
// When
String s1 = mockList.get(1);
String s2 = mockList.get(2);
String s3 = mockList.get(3);
String s4 = mockList.get(4);
String s5 = mockList.get(5);
// Then
System.Assert.areEqual('Odd', s1);
System.Assert.areEqual('Even', s2);
System.Assert.areEqual('Odd', s3);
System.Assert.areEqual('Even', s4);
System.Assert.areEqual('Odd', s5);
}
@isTest
static void whenVerifyCustomMatchersCanBeUsed()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.get(1);
mockList.get(2);
mockList.get(3);
mockList.get(4);
mockList.get(5);
// Then
((fflib_MyList.IList) mocks.verify(mockList, 3)).get((Integer)fflib_Match.matches(new isOdd()));
((fflib_MyList.IList) mocks.verify(mockList, 2)).get((Integer)fflib_Match.matches(new isEven()));
}
@isTest
static void whenStubWithMatcherAndNonMatcherArgumentsShouldThrowException()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
String expectedError = 'The number of matchers defined (1).'
+ ' does not match the number expected (2)\n'
+ 'If you are using matchers all arguments must be passed in as matchers.\n'
+ 'For example myList.add(fflib_Match.anyInteger(), \'String\') should be defined as myList.add(fflib_Match.anyInteger(), fflib_Match.eq(\'String\')).';
// Then
try
{
mocks.startStubbing();
mocks.when(mockList.get2(fflib_Match.anyInteger(), 'String literal')).thenReturn('fail');
System.Assert.fail('Expected exception');
}
catch (fflib_ApexMocks.ApexMocksException e)
{
System.Assert.areEqual(expectedError, e.getMessage());
}
}
@isTest
static void whenVerifyWithMatcherAndNonMatcherArgumentsShouldThrowException()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
String expectedError = 'The number of matchers defined (1).'
+ ' does not match the number expected (2)\n'
+ 'If you are using matchers all arguments must be passed in as matchers.\n'
+ 'For example myList.add(fflib_Match.anyInteger(), \'String\') should be defined as myList.add(fflib_Match.anyInteger(), fflib_Match.eq(\'String\')).';
mockList.get2(1, 'String literal');
// Then
try
{
((fflib_MyList.IList) mocks.verify(mockList)).get2(fflib_Match.anyInteger(), 'String literal');
System.Assert.fail('Expected exception');
}
catch (fflib_ApexMocks.ApexMocksException e)
{
System.Assert.areEqual(expectedError, e.getMessage());
}
}
@isTest
static void whenStubSameMethodWithMatchersAndNonMatchersShouldStubInOrder()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.get2(1, 'Non-matcher first')).thenReturn('Bad'); //Set the return value using the non-matcher arguments
mocks.when(mockList.get2(fflib_Match.eqInteger(1), fflib_Match.stringContains('Non-matcher first'))).thenReturn('Good'); //Override the return value using matcher arguments
mocks.when(mockList.get2(fflib_Match.eqInteger(1), fflib_Match.stringContains('Matcher first'))).thenReturn('Bad'); //Set the return value using the matcher arguments
mocks.when(mockList.get2(1, 'Matcher first')).thenReturn('Good'); //Override the return value using non-matcher arguments
mocks.stopStubbing();
// When/Thens
System.Assert.areEqual('Good', mockList.get2(1, 'Non-matcher first'));
System.Assert.areEqual('Good', mockList.get2(1, 'Matcher first'));
}
@isTest
static void whenStubExceptionSameMethodWithMatchersAndNonMatchersShouldStubInOrder()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
((fflib_MyList.IList)mocks.doThrowWhen(new fflib_ApexMocks.ApexMocksException('Bad'), mockList)).add('Non-matcher first'); //Set the exception value using the non-matcher arguments
((fflib_MyList.IList)mocks.doThrowWhen(new fflib_ApexMocks.ApexMocksException('Good'), mockList)).add(fflib_Match.stringContains('Non-matcher first')); //Override the exception value using matcher arguments
((fflib_MyList.IList)mocks.doThrowWhen(new fflib_ApexMocks.ApexMocksException('Bad'), mockList)).add(fflib_Match.stringContains('Matcher first')); //Set the exception value using the matcher arguments
((fflib_MyList.IList)mocks.doThrowWhen(new fflib_ApexMocks.ApexMocksException('Good'), mockList)).add('Matcher first'); //Override the exception value using non-matcher arguments
mocks.stopStubbing();
// When/Thens
try
{
mockList.add('Non-matcher first');
System.Assert.fail('Expected exception');
}
catch (fflib_ApexMocks.ApexMocksException e)
{
System.Assert.areEqual('Good', e.getMessage());
}
try
{
mockList.add('Matcher first');
System.Assert.fail('Expected exception');
}
catch (fflib_ApexMocks.ApexMocksException e)
{
System.Assert.areEqual('Good', e.getMessage());
}
}
@isTest
static void whenStubSingleCallWithSingleArgumentShouldReturnStubbedValue()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.get(0)).thenReturn('bob');
mocks.stopStubbing();
// When
String actualValue = mockList.get(0);
// Then
System.Assert.areEqual('bob', actualValue);
}
@isTest
static void whenStubSingleCallWithNullReturnValueItShouldReturnNull()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.get(0)).thenReturn(null);
mocks.stopStubbing();
// When
String actualValue = mockList.get(0);
// Then
System.Assert.areEqual(null, actualValue);
}
@isTest
static void whenStubMultipleCallsWithSingleArgumentShouldReturnStubbedValues()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.get(0)).thenReturn('bob');
mocks.when(mockList.get(1)).thenReturn('fred');
mocks.stopStubbing();
// When
String actualValueArg0 = mockList.get(0);
String actualValueArg1 = mockList.get(1);
String actualValueArg2 = mockList.get(2);
// Then
System.Assert.areEqual('bob', actualValueArg0);
System.Assert.areEqual('fred', actualValueArg1);
System.Assert.areEqual(null, actualValueArg2);
}
@isTest
static void whenStubSameCallWithDifferentArgumentValueShouldReturnLastStubbedValue()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.get(0)).thenReturn('bob1');
mocks.when(mockList.get(0)).thenReturn('bob2');
mocks.stopStubbing();
// When
String actualValue = mockList.get(0);
// Then
System.Assert.areEqual('bob2', actualValue);
}
@isTest
static void whenStubCallWithNoArgumentsShouldReturnStubbedValue()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.isEmpty()).thenReturn(false);
mocks.stopStubbing();
// When
Boolean actualValue = mockList.isEmpty();
// Then
System.Assert.areEqual(false, actualValue);
}
@isTest
static void verifySingleMethodCallWithNoArguments()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.isEmpty();
// Then
((fflib_MyList.IList) mocks.verify(mockList)).isEmpty();
}
@isTest
static void verifySingleMethodCallWithSingleArgument()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.add('bob');
// Then
((fflib_MyList.IList) mocks.verify(mockList)).add('bob');
}
@isTest
static void verifyMultipleMethodCallsWithSameSingleArgument()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.add('bob');
mockList.add('bob');
// Then
((fflib_MyList.IList) mocks.verify(mockList, 2)).add('bob');
}
@isTest
static void verifyMultipleMethodCallsWithDifferentSingleArgument()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.add('bob');
mockList.add('fred');
// Then
((fflib_MyList.IList) mocks.verify(mockList)).add('bob');
((fflib_MyList.IList) mocks.verify(mockList)).add('fred');
}
@isTest
static void verifyMethodCallsWithSameNameButDifferentArgumentTypes()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.add('bob');
mockList.add(new String[] {'bob'});
mockList.add((String)null);
mockList.add((String[])null);
// Then
((fflib_MyList.IList) mocks.verify(mockList)).add('bob');
((fflib_MyList.IList) mocks.verify(mockList)).add(new String[] {'bob'});
((fflib_MyList.IList) mocks.verify(mockList)).add((String)null);
((fflib_MyList.IList) mocks.verify(mockList)).add((String[])null);
}
@isTest
static void verifyMethodNotCalled()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.get(0);
// Then
((fflib_MyList.IList) mocks.verify(mockList, fflib_ApexMocks.NEVER)).add('bob');
((fflib_MyList.IList) mocks.verify(mockList)).get(0);
}
@isTest
static void stubAndVerifyMethodCallsWithNoArguments()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.isEmpty()).thenReturn(false);
mocks.stopStubbing();
mockList.clear();
// When
Boolean actualValue = mockList.isEmpty();
// Then
System.Assert.areEqual(false, actualValue);
((fflib_MyList.IList) mocks.verify(mockList)).clear();
}
@isTest
static void whenStubExceptionTheExceptionShouldBeThrown()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.get(0)).thenThrow(new MyException('Stubbed exception.'));
mocks.stopStubbing();
// When
try
{
mockList.get(0);
System.Assert.fail('Stubbed exception should have been thrown.');
}
catch(Exception e)
{
// Then
System.Assert.isInstanceOfType(e, MyException.class);
System.Assert.areEqual('Stubbed exception.', e.getMessage());
}
}
@isTest
static void whenStubVoidMethodWithExceptionThenExceptionShouldBeThrown()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
((fflib_MyList.IList) mocks.doThrowWhen(new MyException('Stubbed exception.'), mockList)).clear();
mocks.stopStubbing();
// When
try
{
mockList.clear();
System.Assert.fail('Stubbed exception should have been thrown.');
}
catch(Exception e)
{
// Then
System.Assert.isInstanceOfType(e, MyException.class);
System.Assert.areEqual('Stubbed exception.', e.getMessage());
}
}
@isTest
static void whenStubMultipleVoidMethodsWithExceptionsThenExceptionsShouldBeThrown()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
((fflib_MyList.IList) mocks.doThrowWhen(new MyException('clear stubbed exception.'), mockList)).clear();
((fflib_MyList.IList) mocks.doThrowWhen(new MyException('add stubbed exception.'), mockList)).add('bob');
mocks.stopStubbing();
// When
try
{
mockList.clear();
System.Assert.fail('Stubbed exception should have been thrown.');
}
catch(Exception e)
{
// Then
System.Assert.isInstanceOfType(e, MyException.class);
System.Assert.areEqual('clear stubbed exception.', e.getMessage());
}
// When
try
{
mockList.add('bob');
System.Assert.fail('Stubbed exception should have been thrown.');
}
catch(Exception e)
{
// Then
System.Assert.isInstanceOfType(e, MyException.class);
System.Assert.areEqual('add stubbed exception.', e.getMessage());
}
}
@isTest
static void whenStubVoidMethodWithExceptionAndCallMethodTwiceThenExceptionShouldBeThrownTwice()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
((fflib_MyList.IList) mocks.doThrowWhen(new MyException('clear stubbed exception.'), mockList)).clear();
mocks.stopStubbing();
// When
try
{
mockList.clear();
System.Assert.fail('Stubbed exception should have been thrown.');
}
catch(Exception e)
{
// Then
System.Assert.isInstanceOfType(e, MyException.class);
System.Assert.areEqual('clear stubbed exception.', e.getMessage());
}
// When
try
{
mockList.clear();
System.Assert.fail('Stubbed exception should have been thrown.');
}
catch(Exception e)
{
// Then
System.Assert.isInstanceOfType(e, MyException.class);
System.Assert.areEqual('clear stubbed exception.', e.getMessage());
}
}
@isTest
static void verifyMethodCallWhenNoCallsBeenMadeForType()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// Then
((fflib_MyList.IList) mocks.verify(mockList, fflib_ApexMocks.NEVER)).add('bob');
}
@isTest
static void verifySingleMethodCallWithMultipleArguments()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.set(0, 'bob');
// Then
((fflib_MyList.IList) mocks.verify(mockList)).set(0, 'bob');
((fflib_MyList.IList) mocks.verify(mockList, fflib_ApexMocks.NEVER)).set(0, 'fred');
}
@isTest
static void whenStubMultipleCallsWithMultipleArgumentShouldReturnStubbedValues()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(mockList.get2(0, 'zero')).thenReturn('bob');
mocks.when(mockList.get2(1, 'one')).thenReturn('fred');
mocks.when(mockList.get2(0, 'two')).thenReturn('bob');
mocks.when(mockList.get2(1, 'three')).thenReturn('bub');
mocks.stopStubbing();
// When
String actualValueArg0 = mockList.get2(0, 'zero');
String actualValueArg1 = mockList.get2(1, 'one');
String actualValueArg2 = mockList.get2(0, 'two');
String actualValueArg3 = mockList.get2(1, 'three');
String actualValueArg4 = mockList.get2(0, 'three');
// Then
System.Assert.areEqual('bob', actualValueArg0);
System.Assert.areEqual('fred', actualValueArg1);
System.Assert.areEqual('bob', actualValueArg2);
System.Assert.areEqual('bub', actualValueArg3);
System.Assert.areEqual(null, actualValueArg4);
}
@isTest
static void whenStubNullConcreteArgValueCorrectValueIsReturned()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
String expected = 'hello';
mocks.startStubbing();
mocks.when(mockList.get(null)).thenReturn(expected);
mocks.stopStubbing();
// When
String actual = mockList.get(null);
// Then
System.Assert.areEqual(expected, actual);
}
@isTest
static void whenSetDoThrowWhenExceptionsValuesAreSet()
{
//Given
MyException e = new MyException('Test');
fflib_ApexMocks mocks = new fflib_ApexMocks();
List<Exception> expsList = new List<Exception>{e};
//When
mocks.DoThrowWhenExceptions = expsList;
//Then
System.Assert.areEqual(expsList, mocks.DoThrowWhenExceptions);
}
@isTest
static void whenVerifyMethodNeverCalledMatchersAreReset()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.add('bob');
// Then
((fflib_MyList.IList) mocks.verify(mockList, fflib_ApexMocks.NEVER)).get(fflib_Match.anyInteger());
((fflib_MyList.IList) mocks.verify(mockList)).add(fflib_Match.anyString());
}
@isTest
static void whenMockIsGeneratedCanVerify()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mockList.add('bob');
// Then
((fflib_MyList.IList) mocks.verify(mockList, fflib_ApexMocks.NEVER)).get(fflib_Match.anyInteger());
((fflib_MyList.IList) mocks.verify(mockList)).add('bob');
}
@isTest
static void whenMockIsGeneratedCanStubVerify()
{
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList mockList = (fflib_MyList)mocks.mock(fflib_MyList.class);
// When
mocks.startStubbing();
mocks.when(mockList.get(1)).thenReturn('One');
mocks.when(mockList.get(fflib_Match.integerMoreThan(2))).thenReturn('>Two');
mocks.stopStubbing();
// Then
System.Assert.areEqual(null, mockList.get(0));
System.Assert.areEqual('One', mockList.get(1));
System.Assert.areEqual(null, mockList.get(2));
System.Assert.areEqual('>Two', mockList.get(3));
}
@isTest
static void thatMultipleInstancesCanBeMockedIndependently()
{
fflib_ApexMocksConfig.HasIndependentMocks = true;
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList first = (fflib_MyList)mocks.mock(fflib_MyList.class);
fflib_MyList second = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(first.get(0)).thenReturn('First');
mocks.when(second.get(0)).thenReturn('Second');
mocks.stopStubbing();
// When
String actual = first.get(0);
// Then
System.Assert.areEqual('First', actual, 'Should have returned stubbed value');
((fflib_MyList)mocks.verify(first)).get(0);
((fflib_MyList)mocks.verify(second, mocks.never())).get(0);
}
@isTest
static void thatMultipleInstancesCanBeMockedDependently()
{
fflib_ApexMocksConfig.HasIndependentMocks = false;
// Given
fflib_ApexMocks mocks = new fflib_ApexMocks();
fflib_MyList first = (fflib_MyList)mocks.mock(fflib_MyList.class);
fflib_MyList second = (fflib_MyList)mocks.mock(fflib_MyList.class);
mocks.startStubbing();
mocks.when(first.get(0)).thenReturn('First');
mocks.when(second.get(0)).thenReturn('Second');
mocks.stopStubbing();
// When
String actual = first.get(0);
// Then
System.Assert.areEqual('Second', actual, 'Should have returned stubbed value');
((fflib_MyList)mocks.verify(first)).get(0);
((fflib_MyList)mocks.verify(second)).get(0);
}
static void thatStubbingCanBeChainedFirstExceptionThenValue()
{
// Given
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenThrow(new MyException('Stubbed exception.')).thenReturn('One');
MY_MOCKS.stopStubbing();
// Then
assertExceptionMessage('Stubbed exception.');
assertReturnedValue('One');
}
@isTest
static void thatStubbingCanBeChainedFirstValueThenException()
{
// Given
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenReturn('One').thenThrow(new MyException('Stubbed exception.'));
MY_MOCKS.stopStubbing();
// Then
assertReturnedValue('One');
assertExceptionMessage('Stubbed exception.');
}
@isTest
static void thatStubbingMultipleMethodsCanBeChainedFirstExceptionThenValue()
{
// Given
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenThrow(new MyException('Stubbed exception.')).thenReturn('One');
MY_MOCKS.when(MY_MOCK_LIST.get2(2, 'Hello.')).thenThrow(new MyException('Stubbed exception2.')).thenReturn('One2');
MY_MOCKS.stopStubbing();
// Then
assertExceptionMessage('Stubbed exception.');
assertReturnedValue('One');
assertExceptionMessageForGet2('Stubbed exception2.');
assertReturnedValueForGet2('One2');
}
@isTest
static void thatStubbingMultipleMethodsCanBeChainedFirstValueThenException()
{
// Given
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenReturn('One').thenThrow(new MyException('Stubbed exception.'));
MY_MOCKS.when(MY_MOCK_LIST.get2(2, 'Hello.')).thenReturn('One2').thenThrow(new MyException('Stubbed exception2.'));
MY_MOCKS.stopStubbing();
// Then
assertReturnedValue('One');
assertExceptionMessage('Stubbed exception.');
assertReturnedValueForGet2('One2');
assertExceptionMessageForGet2('Stubbed exception2.');
}
@isTest
static void thatStubbingReturnsDifferentValuesForDifferentCalls()
{
// Given
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenReturnMulti(new List<String>{'One', 'Two', 'Three'});
MY_MOCKS.stopStubbing();
// Then
assertReturnedValue('One');
assertReturnedValue('Two');
assertReturnedValue('Three');
}
@isTest
static void thatStubbingReturnsDifferentValuesForDifferentCallsAndRepeatLastValuesForFurtherCalls()
{
// Given
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenReturnMulti(new List<String>{'One', 'Two', 'Three'});
MY_MOCKS.stopStubbing();
// Then
assertReturnedValue('One');
assertReturnedValue('Two');
assertReturnedValue('Three');
assertReturnedValue('Three');
assertReturnedValue('Three');
}
@isTest
static void thatStubbingThrowsDifferentExceptionsForDifferentCalls()
{
// Given
MyException first = new MyException('first.');
MyException second = new MyException('second.');
MyException third = new MyException('third.');
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenThrowMulti(new List<Exception>{first, second, third});
MY_MOCKS.stopStubbing();
// Then
assertExceptionMessage('first.');
assertExceptionMessage('second.');
assertExceptionMessage('third.');
}
@isTest
static void thatStubbingThrowsDifferentExceptionsForDifferentCallsAndRepeatLastExceptionForFurtherCalls()
{
// Given
MyException first = new MyException('first.');
MyException second = new MyException('second.');
MyException third = new MyException('third.');
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenThrowMulti(new List<Exception>{first, second, third});
MY_MOCKS.stopStubbing();
// Then
assertExceptionMessage('first.');
assertExceptionMessage('second.');
assertExceptionMessage('third.');
assertExceptionMessage('third.');
assertExceptionMessage('third.');
}
@isTest
static void thatStubbingThrowsAndReturnsDifferentExceptionsAndValuesForDifferentCalls()
{
// Given
MyException first = new MyException('first.');
MyException second = new MyException('second.');
MyException third = new MyException('third.');
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).
thenThrowMulti(new List<Exception>{first, second, third}).
thenReturnMulti(new List<String>{'One', 'Two', 'Three'});
MY_MOCKS.stopStubbing();
// Then
assertExceptionMessage('first.');
assertExceptionMessage('second.');
assertExceptionMessage('third.');
assertReturnedValue('One');
assertReturnedValue('Two');
assertReturnedValue('Three');
assertReturnedValue('Three');
assertReturnedValue('Three');
}
@isTest
static void thatStubbingReturnsAndThrowsDifferentValuesAndExceptionsForDifferentCalls()
{
// Given
MyException first = new MyException('first.');
MyException second = new MyException('second.');
MyException third = new MyException('third.');
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).
thenReturnMulti(new List<String>{'One', 'Two', 'Three'}).
thenThrowMulti(new List<Exception>{first, second, third});
MY_MOCKS.stopStubbing();
// Then
assertReturnedValue('One');
assertReturnedValue('Two');
assertReturnedValue('Three');
assertExceptionMessage('first.');
assertExceptionMessage('second.');
assertExceptionMessage('third.');
assertExceptionMessage('third.');
assertExceptionMessage('third.');
}
@isTest
static void thatStubbingMultipleTimesOverridePreviousThenReturnWithSingleValue()
{
// Given
// When
MY_MOCKS.startStubbing();
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenReturn('One');
MY_MOCKS.when(MY_MOCK_LIST.get(1)).thenReturn('Two');
MY_MOCKS.stopStubbing();