We have a sample test class for covering the constructor in salesforce. Kindly see the below code. Controller:- public class MyAccountClass { //Class Constructor public MyAccountClass (ApexPages.StandardController controller) { //Do Something } }
Full Answer
Can test class have constructor?
You can test the constructor of your object in a test method [Test]. Object in the [TestInitialize] can be to setup your persistance storage or to prepare value that the object tested will used in the tests. I know this. You can instantiate the object inline with the declaration if possible.
How do you test a constructor?
To test that a constructor does its job (of making the class invariant true), you have to first use the constructor in creating a new object and then test that every field of the object has the correct value. Yes, you need need an assertEquals call for each field.
How do you cover a test class in private method?
Use the TestVisible annotation to allow test methods to access private or protected members of another class outside the test class. These members include methods, member variables, and inner classes. This annotation enables a more permissive access level for running tests only.
How do you write a test class for ApexPages StandardController controller?
Sample Code: Account a = new Account( Name = 'Test' ); Class_Name obj = new Class_Name( new ApexPages. StandardController( a ) ); here the controller is referred to a page where the standard controller is Account.
How do you mock a class with a private constructor?
// Use the launcher of powermock @RunWith(PowerMockRunner. class) public class MyTestClass { @Test // Prepare the class for which we want to mock a static method @PrepareForTest(SiteUtil. class) public void myTest() throws Exception{ // Build the mock of Site Site mockSite = PowerMockito. mock(Site.
What is a default constructor in a class definition?
A default constructor is a constructor that either has no parameters, or if it has parameters, all the parameters have default values. If no user-defined constructor exists for a class A and one is needed, the compiler implicitly declares a default parameterless constructor A::A() .
How is Testsetup used in test class?
If a test class contains a test setup method, the testing framework executes the test setup method first, before any test method in the class. Records that are created in a test setup method are available to all test methods in the test class and are rolled back at the end of test class execution.
Can we write test cases for private methods?
Strictly speaking, you should not be writing unit tests that directly test private methods. What you should be testing is the public contract that the class has with other objects; you should never directly test an object's internals.
Is it OK to test private methods?
The short answer is that you shouldn't test private methods directly, but only their effects on the public methods that call them. Unit tests are clients of the object under test, much like the other classes in the code that are dependent on the object.
How do you write a test class for VF page custom controller?
How to cover pagereference method in test class for Standard Controller:-First create record. Account acc = New Account(); acc.Name = 'Test Account'; INSERT acc;Page reference to your VF Page. ... Pass necessary parameter. ... Pass your object to controller. ... Call controller. ... Call pageRef mymethod. ... Put system asserts.
What is Apexpages StandardController?
StandardController objects reference the pre-built Visualforce controllers provided by Salesforce. The only time it is necessary to refer to a StandardController object is when defining an extension for a standard controller. StandardController is the data type of the single argument in the extension class constructor.
How do I find the test class in Salesforce?
Go to Developer Console > File > Open > 'Select class', top left corner says which tests are covering the specific class. Click on the Code coverage drop down, there you can see the test class for that particular class.
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