非公開テストクラスメンバーへのアクセス

1public class VisibleSampleClass {
2    // Private member variables
3    @TestVisible private Integer recordNumber = 0;
4    @TestVisible private String areaCode = '(415)';
5    // Public member variable
6    public Integer maxRecords = 1000;
7    
8    // Private inner class
9    @TestVisible class Employee {
10        String fullName;
11        String phone;
12        
13        // Constructor
14        @TestVisible Employee(String s, String ph) {
15            fullName = s;
16            phone = ph;
17        }
18    }
19       
20    // Private method
21    @TestVisible private String privateMethod(Employee e) {
22        System.debug('I am private.');
23        recordNumber++;
24        String phone = areaCode + ' ' + e.phone;
25        String s = e.fullName + '\'s phone number is ' + phone;
26        System.debug(s);
27        return s;
28    }
29    
30    // Public method
31    public void publicMethod() {
32        maxRecords++;
33        System.debug('I am public.');    
34    }
35    
36    // Private custom exception class
37    @TestVisible private class MyException extends Exception {}
38}

1// Test class for VisibleSampleClass
2@isTest
3private class VisibleSampleClassTest {
4
5    // This test method can access private members of another class 
6    // that are annotated with @TestVisible.
7    static testmethod void test1() {
8        VisibleSampleClass sample = new VisibleSampleClass ();
9
10        // Access private data members and update their values
11        sample.recordNumber = 100;
12        sample.areaCode = '(510)';
13        
14        // Access private inner class
15        VisibleSampleClass.Employee emp = 
16            new VisibleSampleClass.Employee('Joe Smith', '555-1212');
17        
18        // Call private method
19        String s = sample.privateMethod(emp);
20        
21        // Verify result
22        System.assert(
23            s.contains('(510)') &&
24            s.contains('Joe Smith') &&
25            s.contains('555-1212'));
26    }
27    
28    // This test method can throw private exception defined in another class
29    static testmethod void test2() {
30        // Throw private exception.
31        try {
32            throw new VisibleSampleClass.MyException('Thrown from a test.');
33        } catch(VisibleSampleClass.MyException e) {
34            // Handle exception 
35        }
36    }
37    
38    static testmethod void test3() {
39        // Access public method.
40        // No @TestVisible is used.
41        VisibleSampleClass sample = new VisibleSampleClass ();
42        sample.publicMethod();
43    }   
44
45}