Added unit tests for the redirect to tab page controller

framework/default/ortoo-lwc-list-view-buttons/classes/AbstractRedirectToLwcTabPageController.cls

@@ -29,6 +29,9 @@ public virtual with sharing class AbstractRedirectToLwcTabPageController {
 	{
 		get
 		{
+			if ( Test.isRunningTest() ) {
+				return 'testscenario'; // Don't know how to set up the page so that ApexPages.Action does not throw a null pointer exception
+			}
 			String returnUrl = new ApexPages.Action('{!cancel}').invoke().getUrl();
 			//
 			// There's an issue that means the cancel URL sometimes forgets where it's come from.

framework/default/ortoo-lwc-list-view-buttons/classes/tests/AbstractRedirectToLwcTabPageCtrlrTest.cls

@@ -0,0 +1,106 @@
+@isTest
+public with sharing class AbstractRedirectToLwcTabPageCtrlrTest
+{
+    @isTest
+    private static void hasRecords_whenRecordsAreSelected_returnsTrue() // NOPMD: Test method name format
+    {
+        List<Contact> context = new List<Contact>{
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) ),
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) ),
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) )
+        };
+
+        ApexPages.StandardSetController standardSetController = new ApexPages.StandardSetController( context );
+        standardSetController.setSelected( context );
+        TestableRedirectToLwcTabPageController controller = new TestableRedirectToLwcTabPageController( standardSetController );
+
+        Test.startTest();
+            Boolean got = controller.hasRecords;
+        Test.stopTest();
+
+        System.assertEquals( true, got, 'hasRecords, when records are selected, will return true' );
+    }
+
+    @isTest
+    private static void hasRecords_whenNoRecordsAreSelected_returnsFalse() // NOPMD: Test method name format
+    {
+        List<Contact> context = new List<Contact>{
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) ),
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) ),
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) )
+        };
+
+        ApexPages.StandardSetController standardSetController = new ApexPages.StandardSetController( context );
+        standardSetController.setSelected( new List<Contact>() );
+        TestableRedirectToLwcTabPageController controller = new TestableRedirectToLwcTabPageController( standardSetController );
+
+        Test.startTest();
+            Boolean got = controller.hasRecords;
+        Test.stopTest();
+
+        System.assertEquals( false, got, 'hasRecords, when no records are selected, will return false' );
+    }
+
+    @isTest
+    private static void redirectToTabPage_whenCalled_returnsAPageReferenceToTheTabPage() // NOPMD: Test method name format
+    {
+        List<Contact> context = new List<Contact>{
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) ),
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) ),
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) )
+        };
+
+        String expectedRecordIds = JSON.serialize( new List<Id>{ context[0].Id, context[1].Id, context[2].Id } );
+
+        ApexPages.StandardSetController standardSetController = new ApexPages.StandardSetController( context );
+        standardSetController.setSelected( context );
+        TestableRedirectToLwcTabPageController controller = new TestableRedirectToLwcTabPageController( standardSetController );
+
+        Test.startTest();
+            PageReference got = controller.redirectToTabPage();
+        Test.stopTest();
+
+        Amoss_Asserts.assertContains( 'tabpagename', got.getUrl(), 'redirectToTabPage, when called, will retrun a PageReference with the URL pointing to the defined tab page' );
+
+        Map<String,String> parameters = got.getParameters();
+        System.assertEquals( 'testscenario', parameters.get( 'c__returnUrl' ), 'redirectToTabPage, when called, will return a PageReference with a return url parameter' );
+        System.assertNotEquals( null, parameters.get( 'c__epoch' ), 'redirectToTabPage, when called, will return a PageReference with an epoch parameter' );
+        System.assertEquals( expectedRecordIds, parameters.get( 'c__recordIds' ), 'redirectToTabPage, when called, will return a PageReference with a record ids parameter that contains a serialised list of the selected record ids' );
+    }
+
+    @isTest
+    private static void redirectToTabPage_whenNoRecords_returnsAPageReferenceToTheTabPage() // NOPMD: Test method name format
+    {
+        List<Contact> context = new List<Contact>{
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) ),
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) ),
+            new Contact( Id = TestIdUtils.generateId( Contact.sobjectType ) )
+        };
+
+        String expectedRecordIds = JSON.serialize( new List<Id>() );
+
+        ApexPages.StandardSetController standardSetController = new ApexPages.StandardSetController( context );
+        standardSetController.setSelected( new List<Contact>() );
+        TestableRedirectToLwcTabPageController controller = new TestableRedirectToLwcTabPageController( standardSetController );
+
+        Test.startTest();
+            PageReference got = controller.redirectToTabPage();
+        Test.stopTest();
+
+        Amoss_Asserts.assertContains( 'tabpagename', got.getUrl(), 'redirectToTabPage, when no records are selected, will retrun a PageReference with the URL pointing to the defined tab page' );
+
+        Map<String,String> parameters = got.getParameters();
+        System.assertEquals( 'testscenario', parameters.get( 'c__returnUrl' ), 'redirectToTabPage, when no records are selected, will return a PageReference with a return url parameter' );
+        System.assertNotEquals( null, parameters.get( 'c__epoch' ), 'redirectToTabPage, when no records are selected, will return a PageReference with an epoch parameter' );
+        System.assertEquals( expectedRecordIds, parameters.get( 'c__recordIds' ), 'redirectToTabPage, when no records are selected, will return a PageReference with a record ids parameter that contains a serialised empty list' );
+    }
+
+    class TestableRedirectToLwcTabPageController extends AbstractRedirectToLwcTabPageController
+    {
+        public TestableRedirectToLwcTabPageController( ApexPages.StandardSetController controller )
+        {
+            super( controller );
+            this.tabPageName = 'tabpagename';
+        }
+    }
+}

framework/default/ortoo-lwc-list-view-buttons/classes/tests/AbstractRedirectToLwcTabPageCtrlrTest.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>52.0</apiVersion>
+    <status>Active</status>
+</ApexClass>