Update test for Watcher logger

Author: yhatt

src/watcher.ts

@@ -30,9 +30,7 @@ export class Watcher {
     this.mode = opts.mode
 
     this.chokidar = chokidarWatch(watchPath, { ignoreInitial: true })
-      .on('all', (event, path) =>
-        debugWatcher('Chokidar event: [%s] %s', event, path)
-      )
+      .on('all', (event, path) => this.log(event, path))
       .on('change', (f) => this.convert(f))
       .on('add', (f) => this.convert(f))
       .on('unlink', (f) => this.delete(f))
@@ -42,6 +40,10 @@ export class Watcher {
     notifier.start()
   }
 
+  private log(event: string, path: string) {
+    debugWatcher('Chokidar event: [%s] %s', event, path)
+  }
+
   private async convert(filename: string) {
     const resolvedFn = path.resolve(filename)
     const mdFiles = (await this.finder()).filter(

test/watcher.ts

@@ -68,19 +68,25 @@ describe('Watcher', () => {
       // Chokidar events
       const on = watcher.chokidar.on as jest.Mock
 
+      expect(on).toHaveBeenCalledWith('all', expect.any(Function))
       expect(on).toHaveBeenCalledWith('change', expect.any(Function))
       expect(on).toHaveBeenCalledWith('add', expect.any(Function))
       expect(on).toHaveBeenCalledWith('unlink', expect.any(Function))
 
+      const onAll = on.mock.calls.find(([e]) => e === 'all')[1]
       const onChange = on.mock.calls.find(([e]) => e === 'change')[1]
       const onAdd = on.mock.calls.find(([e]) => e === 'add')[1]
       const onUnlink = on.mock.calls.find(([e]) => e === 'unlink')[1]
 
       // Callbacks
+      const log = jest.spyOn(watcher as any, 'log').mockImplementation()
       const conv = jest.spyOn(watcher as any, 'convert').mockImplementation()
       const del = jest.spyOn(watcher as any, 'delete').mockImplementation()
 
       try {
+        onAll('event', 'path')
+        expect(log).toHaveBeenCalledWith('event', 'path')
+
         onChange('change')
         expect(conv).toHaveBeenCalledWith('change')