test: Add full testing for the frigate engine (#2419)

src/camera-manager/frigate/engine-frigate.ts

@@ -423,7 +423,9 @@ export class FrigateCameraManagerEngine
       instanceID: string,
       cameraIDs?: Set<string>,
     ): Promise<void> => {
-      if (!cameraIDs || !cameraIDs.size) {
+      /* istanbul ignore next: defensive guard, instances.get() always returns
+         a value when iterating instances.keys() -- @preserve */
+      if (!cameraIDs?.size) {
         return;
       }
       const instanceQuery = { ...query, cameraIDs: cameraIDs };
@@ -500,7 +502,9 @@ export class FrigateCameraManagerEngine
       instanceID: string,
       cameraIDs?: Set<string>,
     ): Promise<void> => {
-      if (!cameraIDs || !cameraIDs.size) {
+      /* istanbul ignore next: defensive guard, instances.get() always returns
+         a value when iterating instances.keys() -- @preserve */
+      if (!cameraIDs?.size) {
         return;
       }
       const instanceQuery = { ...query, cameraIDs: cameraIDs };
@@ -1014,6 +1018,8 @@ export class FrigateCameraManagerEngine
       }
 
       for (const result of recordings.values()) {
+        /* istanbul ignore next: this engine's getRecordings() always produces
+           FrigateRecordingQueryResults -- @preserve */
         if (!FrigateQueryResultsClassifier.isFrigateRecordingQueryResults(result)) {
           continue;
         }
@@ -1082,6 +1088,8 @@ export class FrigateCameraManagerEngine
     }
 
     for (const [query, result] of results) {
+      /* istanbul ignore next: this engine's getRecordings() always produces
+         FrigateRecordingQueryResults -- @preserve */
       if (!FrigateQueryResultsClassifier.isFrigateRecordingQueryResults(result)) {
         continue;
       }

vite.config.ts

@@ -4,13 +4,7 @@ import { defineConfig } from 'vitest/config';
 const FULL_COVERAGE = [
   'src/camera-manager/*.ts',
   'src/camera-manager/browse-media/*.ts',
-  'src/camera-manager/frigate/camera.ts',
+  'src/camera-manager/frigate/*.ts',
-  'src/camera-manager/frigate/media-classifier.ts',
-  'src/camera-manager/frigate/media.ts',
-  'src/camera-manager/frigate/requests.ts',
-  'src/camera-manager/frigate/types.ts',
-  'src/camera-manager/frigate/util.ts',
-  'src/camera-manager/frigate/watcher.ts',
   'src/camera-manager/generic/*.ts',
   'src/camera-manager/motioneye/camera.ts',
   'src/camera-manager/reolink/*.ts',