From db748a1333d8075b940b57fe6dcb27681399a91e Mon Sep 17 00:00:00 2001
From: Koen Kanters <koenkanters94@gmail.com>
Date: Tue, 21 Jul 2020 21:14:39 +0200
Subject: [PATCH] Implement new api healthcheck. #3281

---
 lib/extension/bridge.js |  5 +++++
 test/bridge.test.js     | 11 +++++++++++
 2 files changed, 16 insertions(+)

diff --git a/lib/extension/bridge.js b/lib/extension/bridge.js
index 1658b2db8..7ecb29302 100644
--- a/lib/extension/bridge.js
+++ b/lib/extension/bridge.js
@@ -24,6 +24,7 @@ class Bridge extends Extension {
             'config/elapsed': this.configElapsed.bind(this),
             'config/log_level': this.configLogLevel.bind(this),
             'touchlink/factory_reset': this.touchlinkFactoryReset.bind(this),
+            'health_check': this.healthCheck.bind(this),
         };
     }
 
@@ -111,6 +112,10 @@ class Bridge extends Extension {
         return this.removeEntity('group', message);
     }
 
+    async healthCheck(message) {
+        return utils.getResponse(message, {healthy: true}, null);
+    }
+
     async groupAdd(message) {
         if (typeof message === 'object' && !message.hasOwnProperty('friendly_name')) {
             throw new Error(`Invalid payload`);
diff --git a/test/bridge.test.js b/test/bridge.test.js
index a2a2e2c58..a4d1338c2 100644
--- a/test/bridge.test.js
+++ b/test/bridge.test.js
@@ -220,6 +220,17 @@ describe('Bridge', () => {
         await flushPromises();
     });
 
+    it('Should allow a healthcheck', async () => {
+        MQTT.publish.mockClear();
+        MQTT.events.message('zigbee2mqtt/bridge/request/health_check', '');
+        await flushPromises();
+        expect(MQTT.publish).toHaveBeenCalledWith(
+            'zigbee2mqtt/bridge/response/health_check',
+            JSON.stringify({"data":{"healthy": true},"status":"ok"}),
+            {retain: false, qos: 0}, expect.any(Function)
+        );
+    });
+
     it('Should allow to remove device by string', async () => {
         const device = zigbeeHerdsman.devices.bulb;
         controller.state.state = {'0x000b57fffec6a5b3': {brightness: 100}};