Expose PeerTube socket to plugins (#5239)

* server(pluginHelpers): add socket

* test(plugins): add socket cases

* fixes after review

* Update plugin-helpers.ts

* Update plugin-helpers.ts

server/tests/plugins/plugin-helpers.ts

@@ -83,6 +83,33 @@ describe('Test plugin helpers', function () {
     })
   })
 
+  describe('Socket', function () {
+
+    it('Should sendNotification without any exceptions', async () => {
+      const user = await servers[0].users.create({ username: 'notis_redding', password: 'secret1234?' })
+      await makePostBodyRequest({
+        url: servers[0].url,
+        path: '/plugins/test-four/router/send-notification',
+        fields: {
+          userId: user.id
+        },
+        expectedStatus: HttpStatusCode.CREATED_201
+      })
+    })
+
+    it('Should sendVideoLiveNewState without any exceptions', async () => {
+      const res = await servers[0].videos.quickUpload({ name: 'video server 1' })
+
+      await makePostBodyRequest({
+        url: servers[0].url,
+        path: '/plugins/test-four/router/send-video-live-new-state/' + res.uuid,
+        expectedStatus: HttpStatusCode.CREATED_201
+      })
+
+      await servers[0].videos.remove({ id: res.uuid })
+    })
+  })
+
   describe('Plugin', function () {
 
     it('Should get the base static route', async function () {