test: add unit tests for remaining app workers (#489)

.changeset/app-worker-unit-tests.md

@@ -0,0 +1,5 @@
+---
+"nostream": patch
+---
+
+Add comprehensive unit tests for remaining app-level workers (AppWorker, App, StaticMirroringWorker) with 65+ test cases covering lifecycle, configuration, error handling, and dependency injection

src/app/app.ts

@@ -72,8 +72,8 @@ export class App implements IRunnable {
       this.process.exit(1)
     }
 
-    const workerCount = process.env.WORKER_COUNT
-      ? Number(process.env.WORKER_COUNT)
+    const workerCount = this.process.env.WORKER_COUNT
+      ? Number(this.process.env.WORKER_COUNT)
       : this.settings().workers?.count || cpus().length
 
     const createWorker = (env: Record<string, string>) => {

src/app/static-mirroring-worker.ts

@@ -55,7 +55,7 @@ export class StaticMirroringWorker implements IRunnable {
 
     logger.info('mirroring', currentSettings.mirroring)
 
-    this.config = path(['mirroring', 'static', process.env.MIRROR_INDEX], currentSettings) as Mirror
+    this.config = path(['mirroring', 'static', this.process.env.MIRROR_INDEX], currentSettings) as Mirror
 
     let since = Math.floor(Date.now() / 1000) - 60 * 10
 
@@ -172,7 +172,7 @@ export class StaticMirroringWorker implements IRunnable {
 
     const eventLimits = this.settings().limits?.event ?? {}
 
-    const eventLimitOverrides = this.config.limits?.event ?? {}
+    const eventLimitOverrides = this.config?.limits?.event ?? {}
 
     const limits = mergeDeepRight(eventLimits, eventLimitOverrides) as EventLimits
 
@@ -278,7 +278,7 @@ export class StaticMirroringWorker implements IRunnable {
   protected async isUserAdmitted(event: Event): Promise<boolean> {
     const currentSettings = this.settings()
 
-    if (this.config.skipAdmissionCheck === true) {
+    if (this.config?.skipAdmissionCheck === true) {
       return true
     }