I'm trying to write an apex test for submitting a Visualforce apex:form. The page is very basic:

<apex:page controller="MyController">
    <apex:inputField value="{!settings.val1__c}"/>
    <apex:commandButton action="{!save}" value="Save"/>

The controller is also basic:

public with sharing class MyController {
  public MySettings__c settings {get; set;}

  public MyController() {
    settings = MySettings__c.getOrgDefaults();
    if (settings == null || settings.id == null) {
      upsert new MySettings__c(SetupOwnerId = UserInfo.getOrganizationId());
      settings = MySettings__c.getOrgDefaults();

  public PageReference save() {
    update settings;
    return null;

In the test class, I have gotten only this far:

PageReference page = new PageReference('/apex/MyPage');

And now I am at a loss as to how to fill in values for my VF page so that I can try saving it and make sure that the value was saved. Any idea how I can fill in VF form values from an apex test?



The Visualforce components just access the controller's properties and methods, so in your test class you call those directly.


// Arrange the components
MySettings__c originalValue = MySettings__c.getOrgDefaults();
PageReference pageRef = Page.YourPageNameHere;
MyController controller = new MyController();

// Act
controller.settings.val1__c = 'New value';
MySettings__c updatedValue = [SOQL to retrieve new object];

// Assert
System.assertEquals(updatedValue, originalValue, 'Error message');

See the developer docs for more information.


You just need to create an instance of your controller, set the field, then check it was set correctly. Something like this:

String testVal = 'TESTVAL';
MyController() c = new MyController();
c.settings.val1__c = testVal;
System.assertEquals(testVal, MySettings__c.getOrgDefaults().val1__c, 
    'Saved setting is not correct!');

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