feat: PE template tests

Author: pozil

src/main/default/classes/StreamingMonitorController.cls

@@ -39,6 +39,7 @@ public abstract class StreamingMonitorController {
         'eventuuid'
     };
 
+    @TestVisible
     private final static Map<Schema.SOAPType, Object> DEFAULT_FIELD_VALUES = new Map<Schema.SOAPType, Object>{
         Schema.SOAPType.STRING => '',
         Schema.SOAPType.DATE => '2025-01-01',

src/test/default/classes/StreamingMonitorControllerTest.cls

@@ -142,6 +142,54 @@ public class StreamingMonitorControllerTest {
         Assert.areEqual('TestSC', channels.get(0).value);
     }
 
+    @isTest
+    static void getBlankPlatformEvent_works() {
+        // Using standard SObject here instead of Platform Event because we can't create Platform Events in tests
+        Map<String, Object> event = StreamingMonitorController.getBlankPlatformEvent(
+            'Contact'
+        );
+
+        Assert.isFalse(event.containsKey('createddate'));
+        Assert.areEqual(
+            StreamingMonitorController.DEFAULT_FIELD_VALUES.get(
+                Schema.SOAPType.DATE
+            ),
+            event.get('birthdate')
+        );
+        Assert.areEqual(
+            StreamingMonitorController.DEFAULT_FIELD_VALUES.get(
+                Schema.SOAPType.STRING
+            ),
+            event.get('name')
+        );
+        Assert.areEqual(
+            StreamingMonitorController.DEFAULT_FIELD_VALUES.get(
+                Schema.SOAPType.BOOLEAN
+            ),
+            event.get('isdeleted')
+        );
+        Assert.areEqual(
+            StreamingMonitorController.DEFAULT_FIELD_VALUES.get(
+                Schema.SOAPType.DATETIME
+            ),
+            event.get('lastcurequestdate')
+        );
+    }
+
+    @isTest
+    static void getBlankPlatformEvent_fails_when_eventName_is_unknown_sObject() {
+        try {
+            StreamingMonitorController.getBlankPlatformEvent('unknown');
+            Assert.fail('Exception was expected');
+        } catch (Exception e) {
+            Assert.isInstanceOfType(
+                e,
+                StreamingMonitorController.StreamingException.class
+            );
+            assertContains(e.getMessage(), 'Unknown platform event type');
+        }
+    }
+
     private static void assertContains(String actual, String expectedContent) {
         System.assert(
             actual?.contains(expectedContent),