Endpoint Composition - Adding helper which has a NULL placeholder + tests (#1259)

* fixing helper to have a NULL placeholder and adding tests

src-electron/generator/helper-endpointconfig.js

@@ -100,11 +100,15 @@ function endpoint_fixed_profile_id_array(options) {
  * @returns C array including the { } brackets
  */
 function endpoint_fixed_parent_id_array(options) {
-  return (
-    '{ ' +
-    this.endpoints.map((ep) => ep.parentEndpointIdentifier).join(', ') +
-    ' }'
-  )
+  let parentIds = []
+  this.endpoints.forEach((ep) => {
+    if (ep.parentEndpointIdentifier == null) {
+      parentIds.push('NULL')
+    } else {
+      parentIds.push(ep.parentEndpointIdentifier)
+    }
+  })
+  return '{ ' + parentIds.join(', ') + ' }'
 }
 
 /**

test/gen-matter-4.test.js

@@ -158,6 +158,7 @@ test(
     expect(ept).toContain(
       '#define FIXED_PROFILE_IDS { 0x0103, 0x0103, 0x0103, 0x0103 }'
     )
+    expect(ept).toContain('#define FIXED_PARENT_IDS { NULL, 0, 1, NULL }')
     expect(ept).toContain(
       '#define FIXED_DEVICE_TYPES {{0x00000016,1},{0x00000100,1},{0x00000100,1},{0x0000F002,1}}'
     )
@@ -264,6 +265,7 @@ test(
     expect(ept).toContain(
       '#define FIXED_PROFILE_IDS { 0x0103, 0x0103, 0x0103, 0x0103 }'
     )
+    expect(ept).toContain('#define FIXED_PARENT_IDS { NULL, NULL, NULL, NULL }')
     expect(ept).toContain(
       '#define FIXED_DEVICE_TYPES {{0x00000016,1},{0x00000100,1},{0x00000100,1},{0x0000F002,1}}'
     )

test/gen-template/matter/endpoint-config.zapt

@@ -98,6 +98,9 @@ static_assert(ATTRIBUTE_LARGEST <= CHIP_CONFIG_MAX_ATTRIBUTE_STORE_ELEMENT_SIZE,
 // Array of profile ids
 #define FIXED_PROFILE_IDS {{endpoint_fixed_profile_id_array}}
 
+// Array of parent endpoint ids
+#define FIXED_PARENT_IDS {{endpoint_fixed_parent_id_array}}
+
 // Array of device types
 #define FIXED_DEVICE_TYPES {{endpoint_fixed_device_type_array}}
 

test/gen-template/matter3/endpoint_config.zapt

@@ -101,6 +101,9 @@ static_assert(ATTRIBUTE_LARGEST <= CHIP_CONFIG_MAX_ATTRIBUTE_STORE_ELEMENT_SIZE,
 // Array of profile ids
 #define FIXED_PROFILE_IDS {{endpoint_fixed_profile_id_array}}
 
+/ Array of parent endpoint ids
+#define FIXED_PARENT_IDS {{endpoint_fixed_parent_id_array}}
+
 // Array of device types
 #define FIXED_DEVICE_TYPES {{endpoint_fixed_device_type_array}}